Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 2378:d76ecec0c3f7 gsoc2008_iphone
iPhone SDL 1.3 demos go here. All these demos are written using pure SDL 1.3 code. No compatibility calls! Perhaps if they are any good they could be use as tests for the SDL 1.3 release.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
---|---|
date | Fri, 18 Jul 2008 20:46:02 +0000 |
parents | dc3dd3a0bf02 |
children | e1da92da346c |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
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6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
10 This library is distributed in the hope that it will be useful, | |
11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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13 Lesser General Public License for more details. |
0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
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22 #include "SDL_config.h" |
0 | 23 |
24 #include "SDL_video.h" | |
25 #include "SDL_blit.h" | |
26 | |
27 /* Functions to perform alpha blended blitting */ | |
28 | |
29 /* N->1 blending with per-surface alpha */ | |
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30 static void |
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31 BlitNto1SurfaceAlpha(SDL_BlitInfo * info) |
0 | 32 { |
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33 int width = info->dst_w; |
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34 int height = info->dst_h; |
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35 Uint8 *src = info->src; |
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36 int srcskip = info->src_skip; |
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37 Uint8 *dst = info->dst; |
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38 int dstskip = info->dst_skip; |
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39 Uint8 *palmap = info->table; |
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40 SDL_PixelFormat *srcfmt = info->src_fmt; |
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41 SDL_PixelFormat *dstfmt = info->dst_fmt; |
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42 int srcbpp = srcfmt->BytesPerPixel; |
0 | 43 |
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44 const unsigned A = info->a; |
0 | 45 |
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46 while (height--) { |
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47 /* *INDENT-OFF* */ |
0 | 48 DUFFS_LOOP4( |
49 { | |
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50 Uint32 Pixel; |
0 | 51 unsigned sR; |
52 unsigned sG; | |
53 unsigned sB; | |
54 unsigned dR; | |
55 unsigned dG; | |
56 unsigned dB; | |
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57 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
0 | 58 dR = dstfmt->palette->colors[*dst].r; |
59 dG = dstfmt->palette->colors[*dst].g; | |
60 dB = dstfmt->palette->colors[*dst].b; | |
61 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
62 dR &= 0xff; | |
63 dG &= 0xff; | |
64 dB &= 0xff; | |
65 /* Pack RGB into 8bit pixel */ | |
66 if ( palmap == NULL ) { | |
67 *dst =((dR>>5)<<(3+2))| | |
68 ((dG>>5)<<(2))| | |
69 ((dB>>6)<<(0)); | |
70 } else { | |
71 *dst = palmap[((dR>>5)<<(3+2))| | |
72 ((dG>>5)<<(2)) | | |
73 ((dB>>6)<<(0))]; | |
74 } | |
75 dst++; | |
76 src += srcbpp; | |
77 }, | |
78 width); | |
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79 /* *INDENT-ON* */ |
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80 src += srcskip; |
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81 dst += dstskip; |
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82 } |
0 | 83 } |
84 | |
85 /* N->1 blending with pixel alpha */ | |
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86 static void |
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87 BlitNto1PixelAlpha(SDL_BlitInfo * info) |
0 | 88 { |
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89 int width = info->dst_w; |
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90 int height = info->dst_h; |
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91 Uint8 *src = info->src; |
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92 int srcskip = info->src_skip; |
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93 Uint8 *dst = info->dst; |
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94 int dstskip = info->dst_skip; |
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95 Uint8 *palmap = info->table; |
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96 SDL_PixelFormat *srcfmt = info->src_fmt; |
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97 SDL_PixelFormat *dstfmt = info->dst_fmt; |
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98 int srcbpp = srcfmt->BytesPerPixel; |
0 | 99 |
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100 /* FIXME: fix alpha bit field expansion here too? */ |
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101 while (height--) { |
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102 /* *INDENT-OFF* */ |
0 | 103 DUFFS_LOOP4( |
104 { | |
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105 Uint32 Pixel; |
0 | 106 unsigned sR; |
107 unsigned sG; | |
108 unsigned sB; | |
109 unsigned sA; | |
110 unsigned dR; | |
111 unsigned dG; | |
112 unsigned dB; | |
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113 DISEMBLE_RGBA(src,srcbpp,srcfmt,Pixel,sR,sG,sB,sA); |
0 | 114 dR = dstfmt->palette->colors[*dst].r; |
115 dG = dstfmt->palette->colors[*dst].g; | |
116 dB = dstfmt->palette->colors[*dst].b; | |
117 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
118 dR &= 0xff; | |
119 dG &= 0xff; | |
120 dB &= 0xff; | |
121 /* Pack RGB into 8bit pixel */ | |
122 if ( palmap == NULL ) { | |
123 *dst =((dR>>5)<<(3+2))| | |
124 ((dG>>5)<<(2))| | |
125 ((dB>>6)<<(0)); | |
126 } else { | |
127 *dst = palmap[((dR>>5)<<(3+2))| | |
128 ((dG>>5)<<(2)) | | |
129 ((dB>>6)<<(0)) ]; | |
130 } | |
131 dst++; | |
132 src += srcbpp; | |
133 }, | |
134 width); | |
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135 /* *INDENT-ON* */ |
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136 src += srcskip; |
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137 dst += dstskip; |
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138 } |
0 | 139 } |
140 | |
141 /* colorkeyed N->1 blending with per-surface alpha */ | |
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142 static void |
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143 BlitNto1SurfaceAlphaKey(SDL_BlitInfo * info) |
0 | 144 { |
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145 int width = info->dst_w; |
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146 int height = info->dst_h; |
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147 Uint8 *src = info->src; |
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148 int srcskip = info->src_skip; |
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149 Uint8 *dst = info->dst; |
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150 int dstskip = info->dst_skip; |
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151 Uint8 *palmap = info->table; |
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152 SDL_PixelFormat *srcfmt = info->src_fmt; |
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153 SDL_PixelFormat *dstfmt = info->dst_fmt; |
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154 int srcbpp = srcfmt->BytesPerPixel; |
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155 Uint32 ckey = info->colorkey; |
0 | 156 |
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157 const int A = info->a; |
0 | 158 |
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159 while (height--) { |
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160 /* *INDENT-OFF* */ |
0 | 161 DUFFS_LOOP( |
162 { | |
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163 Uint32 Pixel; |
0 | 164 unsigned sR; |
165 unsigned sG; | |
166 unsigned sB; | |
167 unsigned dR; | |
168 unsigned dG; | |
169 unsigned dB; | |
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170 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
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171 if ( Pixel != ckey ) { |
0 | 172 dR = dstfmt->palette->colors[*dst].r; |
173 dG = dstfmt->palette->colors[*dst].g; | |
174 dB = dstfmt->palette->colors[*dst].b; | |
175 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
176 dR &= 0xff; | |
177 dG &= 0xff; | |
178 dB &= 0xff; | |
179 /* Pack RGB into 8bit pixel */ | |
180 if ( palmap == NULL ) { | |
181 *dst =((dR>>5)<<(3+2))| | |
182 ((dG>>5)<<(2)) | | |
183 ((dB>>6)<<(0)); | |
184 } else { | |
185 *dst = palmap[((dR>>5)<<(3+2))| | |
186 ((dG>>5)<<(2)) | | |
187 ((dB>>6)<<(0)) ]; | |
188 } | |
189 } | |
190 dst++; | |
191 src += srcbpp; | |
192 }, | |
193 width); | |
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194 /* *INDENT-ON* */ |
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195 src += srcskip; |
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196 dst += dstskip; |
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197 } |
0 | 198 } |
199 | |
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200 #ifdef __MMX__ |
1542 | 201 |
202 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ | |
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203 static void |
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204 BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo * info) |
1542 | 205 { |
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206 int width = info->dst_w; |
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207 int height = info->dst_h; |
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208 Uint32 *srcp = (Uint32 *) info->src; |
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209 int srcskip = info->src_skip >> 2; |
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210 Uint32 *dstp = (Uint32 *) info->dst; |
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211 int dstskip = info->dst_skip >> 2; |
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212 Uint32 dalpha = info->dst_fmt->Amask; |
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213 |
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214 __m64 src1, src2, dst1, dst2, lmask, hmask, dsta; |
1542 | 215 |
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216 hmask = _mm_set_pi32(0x00fefefe, 0x00fefefe); /* alpha128 mask -> hmask */ |
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217 lmask = _mm_set_pi32(0x00010101, 0x00010101); /* !alpha128 mask -> lmask */ |
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218 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
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219 |
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220 while (height--) { |
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221 int n = width; |
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222 if (n & 1) { |
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223 Uint32 s = *srcp++; |
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224 Uint32 d = *dstp; |
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225 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
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226 + (s & d & 0x00010101)) | dalpha; |
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227 n--; |
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228 } |
1542 | 229 |
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230 for (n >>= 1; n > 0; --n) { |
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231 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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232 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
1542 | 233 |
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234 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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235 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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236 |
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237 dst2 = _mm_and_si64(dst2, hmask); /* dst & mask -> dst2 */ |
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238 src2 = _mm_and_si64(src2, hmask); /* src & mask -> src2 */ |
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239 src2 = _mm_add_pi32(src2, dst2); /* dst2 + src2 -> src2 */ |
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240 src2 = _mm_srli_pi32(src2, 1); /* src2 >> 1 -> src2 */ |
1542 | 241 |
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242 dst1 = _mm_and_si64(dst1, src1); /* src & dst -> dst1 */ |
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243 dst1 = _mm_and_si64(dst1, lmask); /* dst1 & !mask -> dst1 */ |
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244 dst1 = _mm_add_pi32(dst1, src2); /* src2 + dst1 -> dst1 */ |
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245 dst1 = _mm_or_si64(dst1, dsta); /* dsta(full alpha) | dst1 -> dst1 */ |
1542 | 246 |
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247 *(__m64 *) dstp = dst1; /* dst1 -> 2 x dst pixels */ |
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248 dstp += 2; |
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249 srcp += 2; |
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250 } |
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251 |
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252 srcp += srcskip; |
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253 dstp += dstskip; |
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254 } |
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255 _mm_empty(); |
1542 | 256 } |
257 | |
258 /* fast RGB888->(A)RGB888 blending with surface alpha */ | |
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259 static void |
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260 BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo * info) |
1542 | 261 { |
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262 SDL_PixelFormat *df = info->dst_fmt; |
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263 Uint32 chanmask = df->Rmask | df->Gmask | df->Bmask; |
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264 unsigned alpha = info->a; |
1542 | 265 |
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266 if (alpha == 128 && (df->Rmask | df->Gmask | df->Bmask) == 0x00FFFFFF) { |
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267 /* only call a128 version when R,G,B occupy lower bits */ |
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268 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
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269 } else { |
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270 int width = info->dst_w; |
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271 int height = info->dst_h; |
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272 Uint32 *srcp = (Uint32 *) info->src; |
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273 int srcskip = info->src_skip >> 2; |
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274 Uint32 *dstp = (Uint32 *) info->dst; |
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275 int dstskip = info->dst_skip >> 2; |
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276 Uint32 dalpha = df->Amask; |
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277 Uint32 amult; |
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278 |
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279 __m64 src1, src2, dst1, dst2, mm_alpha, mm_zero, dsta; |
1542 | 280 |
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281 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
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282 /* form the alpha mult */ |
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283 amult = alpha | (alpha << 8); |
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284 amult = amult | (amult << 16); |
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285 chanmask = |
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286 (0xff << df->Rshift) | (0xff << df->Gshift) | (0xff << df-> |
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287 Bshift); |
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288 mm_alpha = _mm_set_pi32(0, amult & chanmask); /* 0000AAAA -> mm_alpha, minus 1 chan */ |
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289 mm_alpha = _mm_unpacklo_pi8(mm_alpha, mm_zero); /* 0A0A0A0A -> mm_alpha, minus 1 chan */ |
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290 /* at this point mm_alpha can be 000A0A0A or 0A0A0A00 or another combo */ |
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291 dsta = _mm_set_pi32(dalpha, dalpha); /* dst alpha mask -> dsta */ |
1542 | 292 |
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293 while (height--) { |
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294 int n = width; |
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295 if (n & 1) { |
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296 /* One Pixel Blend */ |
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297 src2 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src2 (0000ARGB) */ |
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298 src2 = _mm_unpacklo_pi8(src2, mm_zero); /* 0A0R0G0B -> src2 */ |
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299 |
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300 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB) */ |
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301 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ |
1542 | 302 |
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303 src2 = _mm_sub_pi16(src2, dst1); /* src2 - dst2 -> src2 */ |
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304 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
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305 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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306 dst1 = _mm_add_pi8(src2, dst1); /* src2 + dst1 -> dst1 */ |
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307 |
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308 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ |
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309 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
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310 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ |
1542 | 311 |
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312 ++srcp; |
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313 ++dstp; |
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314 |
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315 n--; |
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316 } |
1542 | 317 |
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318 for (n >>= 1; n > 0; --n) { |
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319 /* Two Pixels Blend */ |
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320 src1 = *(__m64 *) srcp; /* 2 x src -> src1(ARGBARGB) */ |
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321 src2 = src1; /* 2 x src -> src2(ARGBARGB) */ |
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322 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* low - 0A0R0G0B -> src1 */ |
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323 src2 = _mm_unpackhi_pi8(src2, mm_zero); /* high - 0A0R0G0B -> src2 */ |
1542 | 324 |
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325 dst1 = *(__m64 *) dstp; /* 2 x dst -> dst1(ARGBARGB) */ |
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326 dst2 = dst1; /* 2 x dst -> dst2(ARGBARGB) */ |
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327 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* low - 0A0R0G0B -> dst1 */ |
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328 dst2 = _mm_unpackhi_pi8(dst2, mm_zero); /* high - 0A0R0G0B -> dst2 */ |
1542 | 329 |
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330 src1 = _mm_sub_pi16(src1, dst1); /* src1 - dst1 -> src1 */ |
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331 src1 = _mm_mullo_pi16(src1, mm_alpha); /* src1 * alpha -> src1 */ |
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332 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1 */ |
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333 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst1) -> dst1 */ |
1542 | 334 |
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335 src2 = _mm_sub_pi16(src2, dst2); /* src2 - dst2 -> src2 */ |
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336 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ |
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337 src2 = _mm_srli_pi16(src2, 8); /* src2 >> 8 -> src2 */ |
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338 dst2 = _mm_add_pi8(src2, dst2); /* src2 + dst2(dst2) -> dst2 */ |
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339 |
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340 dst1 = _mm_packs_pu16(dst1, dst2); /* 0A0R0G0B(res1), 0A0R0G0B(res2) -> dst1(ARGBARGB) */ |
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341 dst1 = _mm_or_si64(dst1, dsta); /* dsta | dst1 -> dst1 */ |
1542 | 342 |
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343 *(__m64 *) dstp = dst1; /* dst1 -> 2 x pixel */ |
1542 | 344 |
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345 srcp += 2; |
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346 dstp += 2; |
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347 } |
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348 srcp += srcskip; |
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349 dstp += dstskip; |
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350 } |
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351 _mm_empty(); |
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352 } |
1542 | 353 } |
354 | |
355 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ | |
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356 static void |
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357 BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo * info) |
1542 | 358 { |
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359 int width = info->dst_w; |
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360 int height = info->dst_h; |
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361 Uint32 *srcp = (Uint32 *) info->src; |
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362 int srcskip = info->src_skip >> 2; |
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363 Uint32 *dstp = (Uint32 *) info->dst; |
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364 int dstskip = info->dst_skip >> 2; |
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365 SDL_PixelFormat *sf = info->src_fmt; |
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366 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
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367 Uint32 amask = sf->Amask; |
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368 Uint32 ashift = sf->Ashift; |
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369 Uint64 multmask; |
1542 | 370 |
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371 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
1542 | 372 |
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373 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
2260 | 374 multmask = 0xFFFF; |
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375 multmask <<= (ashift * 2); |
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376 multmask = ~multmask; |
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377 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
1542 | 378 |
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379 while (height--) { |
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380 /* *INDENT-OFF* */ |
1542 | 381 DUFFS_LOOP4({ |
382 Uint32 alpha = *srcp & amask; | |
383 if (alpha == 0) { | |
384 /* do nothing */ | |
385 } else if (alpha == amask) { | |
386 /* opaque alpha -- copy RGB, keep dst alpha */ | |
387 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
388 } else { | |
389 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
390 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
391 | |
392 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
393 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
394 | |
395 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
396 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
397 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
398 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
399 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
400 | |
401 /* blend */ | |
402 src1 = _mm_sub_pi16(src1, dst1);/* src1 - dst1 -> src1 */ | |
403 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src1 - dst1) * alpha -> src1 */ | |
404 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
405 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1 -> dst1(0A0R0G0B) */ | |
406 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
407 | |
408 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
409 } | |
410 ++srcp; | |
411 ++dstp; | |
412 }, width); | |
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413 /* *INDENT-ON* */ |
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414 srcp += srcskip; |
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415 dstp += dstskip; |
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416 } |
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417 _mm_empty(); |
1542 | 418 } |
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419 |
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420 #endif /* __MMX__ */ |
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421 |
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422 #if SDL_ALTIVEC_BLITTERS |
1795 | 423 #if __MWERKS__ |
424 #pragma altivec_model on | |
425 #endif | |
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426 #if HAVE_ALTIVEC_H |
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427 #include <altivec.h> |
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428 #endif |
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429 #include <assert.h> |
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430 |
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431 #if (defined(__MACOSX__) && (__GNUC__ < 4)) |
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432 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
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433 (vector unsigned char) ( a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p ) |
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434 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
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435 (vector unsigned short) ( a,b,c,d,e,f,g,h ) |
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436 #else |
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437 #define VECUINT8_LITERAL(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p) \ |
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438 (vector unsigned char) { a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p } |
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439 #define VECUINT16_LITERAL(a,b,c,d,e,f,g,h) \ |
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440 (vector unsigned short) { a,b,c,d,e,f,g,h } |
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441 #endif |
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442 |
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443 #define UNALIGNED_PTR(x) (((size_t) x) & 0x0000000F) |
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444 #define VECPRINT(msg, v) do { \ |
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445 vector unsigned int tmpvec = (vector unsigned int)(v); \ |
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446 unsigned int *vp = (unsigned int *)&tmpvec; \ |
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447 printf("%s = %08X %08X %08X %08X\n", msg, vp[0], vp[1], vp[2], vp[3]); \ |
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448 } while (0) |
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449 |
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450 /* the permuation vector that takes the high bytes out of all the appropriate shorts |
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451 (vector unsigned char)( |
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452 0x00, 0x10, 0x02, 0x12, |
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453 0x04, 0x14, 0x06, 0x16, |
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454 0x08, 0x18, 0x0A, 0x1A, |
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455 0x0C, 0x1C, 0x0E, 0x1E ); |
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456 */ |
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457 #define VEC_MERGE_PERMUTE() (vec_add(vec_lvsl(0, (int*)NULL), (vector unsigned char)vec_splat_u16(0x0F))) |
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458 #define VEC_U32_24() (vec_add(vec_splat_u32(12), vec_splat_u32(12))) |
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459 #define VEC_ALPHA_MASK() ((vector unsigned char)vec_sl((vector unsigned int)vec_splat_s8(-1), VEC_U32_24())) |
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460 #define VEC_ALIGNER(src) ((UNALIGNED_PTR(src)) \ |
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461 ? vec_lvsl(0, src) \ |
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462 : vec_add(vec_lvsl(8, src), vec_splat_u8(8))) |
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463 |
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464 |
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465 #define VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1_16, v8_16) do { \ |
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Altivec-optimized blitters!
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466 /* vtemp1 contains source AAGGAAGGAAGGAAGG */ \ |
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Altivec-optimized blitters!
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467 vector unsigned short vtemp1 = vec_mule(vs, valpha); \ |
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Altivec-optimized blitters!
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468 /* vtemp2 contains source RRBBRRBBRRBBRRBB */ \ |
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Altivec-optimized blitters!
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469 vector unsigned short vtemp2 = vec_mulo(vs, valpha); \ |
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Altivec-optimized blitters!
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470 /* valpha2 is 255-alpha */ \ |
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Altivec-optimized blitters!
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471 vector unsigned char valpha2 = vec_nor(valpha, valpha); \ |
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Altivec-optimized blitters!
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472 /* vtemp3 contains dest AAGGAAGGAAGGAAGG */ \ |
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Altivec-optimized blitters!
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473 vector unsigned short vtemp3 = vec_mule(vd, valpha2); \ |
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Altivec-optimized blitters!
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474 /* vtemp4 contains dest RRBBRRBBRRBBRRBB */ \ |
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Altivec-optimized blitters!
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475 vector unsigned short vtemp4 = vec_mulo(vd, valpha2); \ |
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Altivec-optimized blitters!
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476 /* add source and dest */ \ |
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477 vtemp1 = vec_add(vtemp1, vtemp3); \ |
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Altivec-optimized blitters!
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478 vtemp2 = vec_add(vtemp2, vtemp4); \ |
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Altivec-optimized blitters!
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479 /* vtemp1 = (vtemp1 + 1) + ((vtemp1 + 1) >> 8) */ \ |
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Altivec-optimized blitters!
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480 vtemp1 = vec_add(vtemp1, v1_16); \ |
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Altivec-optimized blitters!
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481 vtemp3 = vec_sr(vtemp1, v8_16); \ |
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Altivec-optimized blitters!
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482 vtemp1 = vec_add(vtemp1, vtemp3); \ |
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Altivec-optimized blitters!
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483 /* vtemp2 = (vtemp2 + 1) + ((vtemp2 + 1) >> 8) */ \ |
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Altivec-optimized blitters!
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484 vtemp2 = vec_add(vtemp2, v1_16); \ |
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Altivec-optimized blitters!
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485 vtemp4 = vec_sr(vtemp2, v8_16); \ |
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Altivec-optimized blitters!
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486 vtemp2 = vec_add(vtemp2, vtemp4); \ |
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Altivec-optimized blitters!
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487 /* (>>8) and get ARGBARGBARGBARGB */ \ |
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Altivec-optimized blitters!
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488 vd = (vector unsigned char)vec_perm(vtemp1, vtemp2, mergePermute); \ |
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Altivec-optimized blitters!
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489 } while (0) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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490 |
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491 /* Calculate the permute vector used for 32->32 swizzling */ |
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492 static vector unsigned char |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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493 calc_swizzle32(const SDL_PixelFormat * srcfmt, const SDL_PixelFormat * dstfmt) |
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494 { |
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495 /* |
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496 * We have to assume that the bits that aren't used by other |
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Altivec-optimized blitters!
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497 * colors is alpha, and it's one complete byte, since some formats |
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Altivec-optimized blitters!
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498 * leave alpha with a zero mask, but we should still swizzle the bits. |
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Altivec-optimized blitters!
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499 */ |
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500 /* ARGB */ |
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501 const static struct SDL_PixelFormat default_pixel_format = { |
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502 NULL, 0, 0, |
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503 0, 0, 0, 0, |
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Altivec-optimized blitters!
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504 16, 8, 0, 24, |
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Altivec-optimized blitters!
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505 0x00FF0000, 0x0000FF00, 0x000000FF, 0xFF000000, |
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506 0, 0 |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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507 }; |
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Altivec-optimized blitters!
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508 if (!srcfmt) { |
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Altivec-optimized blitters!
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509 srcfmt = &default_pixel_format; |
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Altivec-optimized blitters!
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510 } |
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Altivec-optimized blitters!
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511 if (!dstfmt) { |
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Altivec-optimized blitters!
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512 dstfmt = &default_pixel_format; |
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Altivec-optimized blitters!
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513 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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514 const vector unsigned char plus = VECUINT8_LITERAL(0x00, 0x00, 0x00, 0x00, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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515 0x04, 0x04, 0x04, 0x04, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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516 0x08, 0x08, 0x08, 0x08, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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517 0x0C, 0x0C, 0x0C, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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518 0x0C); |
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519 vector unsigned char vswiz; |
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Altivec-optimized blitters!
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520 vector unsigned int srcvec; |
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521 #define RESHIFT(X) (3 - ((X) >> 3)) |
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Altivec-optimized blitters!
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522 Uint32 rmask = RESHIFT(srcfmt->Rshift) << (dstfmt->Rshift); |
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523 Uint32 gmask = RESHIFT(srcfmt->Gshift) << (dstfmt->Gshift); |
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Altivec-optimized blitters!
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524 Uint32 bmask = RESHIFT(srcfmt->Bshift) << (dstfmt->Bshift); |
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525 Uint32 amask; |
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526 /* Use zero for alpha if either surface doesn't have alpha */ |
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Altivec-optimized blitters!
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527 if (dstfmt->Amask) { |
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528 amask = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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529 ((srcfmt->Amask) ? RESHIFT(srcfmt->Ashift) : 0x10) << (dstfmt-> |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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530 Ashift); |
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531 } else { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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532 amask = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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533 0x10101010 & ((dstfmt->Rmask | dstfmt->Gmask | dstfmt->Bmask) ^ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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534 0xFFFFFFFF); |
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535 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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536 #undef RESHIFT |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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537 ((unsigned int *) (char *) &srcvec)[0] = (rmask | gmask | bmask | amask); |
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538 vswiz = vec_add(plus, (vector unsigned char) vec_splat(srcvec, 0)); |
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539 return (vswiz); |
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540 } |
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541 |
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542 static void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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543 Blit32to565PixelAlphaAltivec(SDL_BlitInfo * info) |
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544 { |
2262
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Work in progress: merging new texture features into SDL blit system
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545 int height = info->dst_h; |
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Work in progress: merging new texture features into SDL blit system
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546 Uint8 *src = (Uint8 *) info->src; |
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Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
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547 int srcskip = info->src_skip; |
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Work in progress: merging new texture features into SDL blit system
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548 Uint8 *dst = (Uint8 *) info->dst; |
2267
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Okay, still some bugs, but everything builds again...
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|
549 int dstskip = info->dst_skip; |
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Okay, still some bugs, but everything builds again...
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550 SDL_PixelFormat *srcfmt = info->src_fmt; |
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551 |
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552 vector unsigned char v0 = vec_splat_u8(0); |
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Altivec-optimized blitters!
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553 vector unsigned short v8_16 = vec_splat_u16(8); |
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Altivec-optimized blitters!
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554 vector unsigned short v1_16 = vec_splat_u16(1); |
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Altivec-optimized blitters!
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555 vector unsigned short v2_16 = vec_splat_u16(2); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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556 vector unsigned short v3_16 = vec_splat_u16(3); |
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Altivec-optimized blitters!
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557 vector unsigned int v8_32 = vec_splat_u32(8); |
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Altivec-optimized blitters!
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558 vector unsigned int v16_32 = vec_add(v8_32, v8_32); |
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559 vector unsigned short v3f = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
560 VECUINT16_LITERAL(0x003f, 0x003f, 0x003f, 0x003f, |
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561 0x003f, 0x003f, 0x003f, 0x003f); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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562 vector unsigned short vfc = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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563 VECUINT16_LITERAL(0x00fc, 0x00fc, 0x00fc, 0x00fc, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
564 0x00fc, 0x00fc, 0x00fc, 0x00fc); |
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|
565 |
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|
566 /* |
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567 0x10 - 0x1f is the alpha |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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568 0x00 - 0x0e evens are the red |
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569 0x01 - 0x0f odds are zero |
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570 */ |
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|
571 vector unsigned char vredalpha1 = VECUINT8_LITERAL(0x10, 0x00, 0x01, 0x01, |
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|
572 0x10, 0x02, 0x01, 0x01, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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573 0x10, 0x04, 0x01, 0x01, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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574 0x10, 0x06, 0x01, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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575 0x01); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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576 vector unsigned char vredalpha2 = |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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577 (vector unsigned char) (vec_add((vector unsigned int) vredalpha1, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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578 vec_sl(v8_32, v16_32)) |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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579 ); |
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Ryan C. Gordon <icculus@icculus.org>
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580 /* |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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581 0x00 - 0x0f is ARxx ARxx ARxx ARxx |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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582 0x11 - 0x0f odds are blue |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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583 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
584 vector unsigned char vblue1 = VECUINT8_LITERAL(0x00, 0x01, 0x02, 0x11, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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585 0x04, 0x05, 0x06, 0x13, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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586 0x08, 0x09, 0x0a, 0x15, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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587 0x0c, 0x0d, 0x0e, 0x17); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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588 vector unsigned char vblue2 = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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589 (vector unsigned char) (vec_add((vector unsigned int) vblue1, v8_32) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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590 ); |
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Ryan C. Gordon <icculus@icculus.org>
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591 /* |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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592 0x00 - 0x0f is ARxB ARxB ARxB ARxB |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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593 0x10 - 0x0e evens are green |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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594 */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
1795
diff
changeset
|
595 vector unsigned char vgreen1 = VECUINT8_LITERAL(0x00, 0x01, 0x10, 0x03, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
596 0x04, 0x05, 0x12, 0x07, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
597 0x08, 0x09, 0x14, 0x0b, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
598 0x0c, 0x0d, 0x16, 0x0f); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
599 vector unsigned char vgreen2 = |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
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600 (vector unsigned |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
601 char) (vec_add((vector unsigned int) vgreen1, vec_sl(v8_32, v8_32)) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
602 ); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
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603 vector unsigned char vgmerge = VECUINT8_LITERAL(0x00, 0x02, 0x00, 0x06, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
604 0x00, 0x0a, 0x00, 0x0e, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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605 0x00, 0x12, 0x00, 0x16, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
606 0x00, 0x1a, 0x00, 0x1e); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
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|
607 vector unsigned char mergePermute = VEC_MERGE_PERMUTE(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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608 vector unsigned char vpermute = calc_swizzle32(srcfmt, NULL); |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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609 vector unsigned char valphaPermute = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
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610 vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
1047
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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611 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
612 vector unsigned short vf800 = (vector unsigned short) vec_splat_u8(-7); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
613 vf800 = vec_sl(vf800, vec_splat_u16(8)); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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|
614 |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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615 while (height--) { |
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Ryan C. Gordon <icculus@icculus.org>
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616 int extrawidth; |
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Altivec-optimized blitters!
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diff
changeset
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617 vector unsigned char valigner; |
ffaaf7ecf685
Altivec-optimized blitters!
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changeset
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618 vector unsigned char vsrc; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
619 vector unsigned char voverflow; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
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2261
diff
changeset
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620 int width = info->dst_w; |
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Altivec-optimized blitters!
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|
621 |
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Altivec-optimized blitters!
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622 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
623 while (condition) { \ |
1162
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
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624 Uint32 Pixel; \ |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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625 unsigned sR, sG, sB, dR, dG, dB, sA; \ |
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Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
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626 DISEMBLE_RGBA(src, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
627 if(sA) { \ |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
628 unsigned short dstpixel = *((unsigned short *)dst); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
629 dR = (dstpixel >> 8) & 0xf8; \ |
ffaaf7ecf685
Altivec-optimized blitters!
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changeset
|
630 dG = (dstpixel >> 3) & 0xfc; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
631 dB = (dstpixel << 3) & 0xf8; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
632 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
633 *((unsigned short *)dst) = ( \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
634 ((dR & 0xf8) << 8) | ((dG & 0xfc) << 3) | (dB >> 3) \ |
ffaaf7ecf685
Altivec-optimized blitters!
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changeset
|
635 ); \ |
ffaaf7ecf685
Altivec-optimized blitters!
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|
636 } \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
637 src += 4; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
638 dst += 2; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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|
639 widthvar--; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
640 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
641 ONE_PIXEL_BLEND((UNALIGNED_PTR(dst)) && (width), width); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
642 extrawidth = (width % 8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
643 valigner = VEC_ALIGNER(src); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
644 vsrc = (vector unsigned char) vec_ld(0, src); |
1047
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Altivec-optimized blitters!
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diff
changeset
|
645 width -= extrawidth; |
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
646 while (width) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
647 vector unsigned char valpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
648 vector unsigned char vsrc1, vsrc2; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
649 vector unsigned char vdst1, vdst2; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
650 vector unsigned short vR, vG, vB; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
651 vector unsigned short vpixel, vrpixel, vgpixel, vbpixel; |
ffaaf7ecf685
Altivec-optimized blitters!
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880
diff
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|
652 |
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
653 /* Load 8 pixels from src as ARGB */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
654 voverflow = (vector unsigned char) vec_ld(15, src); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
655 vsrc = vec_perm(vsrc, voverflow, valigner); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
656 vsrc1 = vec_perm(vsrc, vsrc, vpermute); |
ffaaf7ecf685
Altivec-optimized blitters!
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diff
changeset
|
657 src += 16; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
658 vsrc = (vector unsigned char) vec_ld(15, src); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
659 voverflow = vec_perm(voverflow, vsrc, valigner); |
ffaaf7ecf685
Altivec-optimized blitters!
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880
diff
changeset
|
660 vsrc2 = vec_perm(voverflow, voverflow, vpermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
changeset
|
661 src += 16; |
ffaaf7ecf685
Altivec-optimized blitters!
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880
diff
changeset
|
662 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
663 /* Load 8 pixels from dst as XRGB */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
664 voverflow = vec_ld(0, dst); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
665 vR = vec_and((vector unsigned short) voverflow, vf800); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
666 vB = vec_sl((vector unsigned short) voverflow, v3_16); |
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Altivec-optimized blitters!
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diff
changeset
|
667 vG = vec_sl(vB, v2_16); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
668 vdst1 = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
669 (vector unsigned char) vec_perm((vector unsigned char) vR, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
670 (vector unsigned char) vR, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
671 vredalpha1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
672 vdst1 = vec_perm(vdst1, (vector unsigned char) vB, vblue1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
673 vdst1 = vec_perm(vdst1, (vector unsigned char) vG, vgreen1); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
674 vdst2 = |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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|
675 (vector unsigned char) vec_perm((vector unsigned char) vR, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
676 (vector unsigned char) vR, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
677 vredalpha2); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
678 vdst2 = vec_perm(vdst2, (vector unsigned char) vB, vblue2); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
679 vdst2 = vec_perm(vdst2, (vector unsigned char) vG, vgreen2); |
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Ryan C. Gordon <icculus@icculus.org>
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changeset
|
680 |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
681 /* Alpha blend 8 pixels as ARGB */ |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
682 valpha = vec_perm(vsrc1, v0, valphaPermute); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
683 VEC_MULTIPLY_ALPHA(vsrc1, vdst1, valpha, mergePermute, v1_16, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
684 v8_16); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
685 valpha = vec_perm(vsrc2, v0, valphaPermute); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
686 VEC_MULTIPLY_ALPHA(vsrc2, vdst2, valpha, mergePermute, v1_16, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
687 v8_16); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
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880
diff
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|
688 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
689 /* Convert 8 pixels to 565 */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
690 vpixel = (vector unsigned short) vec_packpx((vector unsigned int) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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|
691 vdst1, |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
692 (vector unsigned int) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
693 vdst2); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
694 vgpixel = (vector unsigned short) vec_perm(vdst1, vdst2, vgmerge); |
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Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
695 vgpixel = vec_and(vgpixel, vfc); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
696 vgpixel = vec_sl(vgpixel, v3_16); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
697 vrpixel = vec_sl(vpixel, v1_16); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
698 vrpixel = vec_and(vrpixel, vf800); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
699 vbpixel = vec_and(vpixel, v3f); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
700 vdst1 = |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
701 vec_or((vector unsigned char) vrpixel, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
702 (vector unsigned char) vgpixel); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
703 vdst1 = vec_or(vdst1, (vector unsigned char) vbpixel); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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changeset
|
704 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
705 /* Store 8 pixels */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
706 vec_st(vdst1, 0, dst); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
707 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
708 width -= 8; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
709 dst += 16; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
710 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
711 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
712 #undef ONE_PIXEL_BLEND |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
713 src += srcskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
714 dst += dstskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
715 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
716 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
717 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
718 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
719 Blit32to32SurfaceAlphaKeyAltivec(SDL_BlitInfo * info) |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
720 { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
721 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
722 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
723 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
724 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
725 int dstskip = info->dst_skip >> 2; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
726 SDL_PixelFormat *srcfmt = info->src_fmt; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
727 SDL_PixelFormat *dstfmt = info->dst_fmt; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
728 unsigned sA = info->a; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
729 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
730 Uint32 rgbmask = srcfmt->Rmask | srcfmt->Gmask | srcfmt->Bmask; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
731 Uint32 ckey = info->colorkey; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
732 vector unsigned char mergePermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
733 vector unsigned char vsrcPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
734 vector unsigned char vdstPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
735 vector unsigned char vsdstPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
736 vector unsigned char valpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
737 vector unsigned char valphamask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
738 vector unsigned char vbits; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
739 vector unsigned char v0; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
740 vector unsigned short v1; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
741 vector unsigned short v8; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
742 vector unsigned int vckey; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
743 vector unsigned int vrgbmask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
744 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
745 mergePermute = VEC_MERGE_PERMUTE(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
746 v0 = vec_splat_u8(0); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
747 v1 = vec_splat_u16(1); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
748 v8 = vec_splat_u16(8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
749 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
750 /* set the alpha to 255 on the destination surf */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
751 valphamask = VEC_ALPHA_MASK(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
752 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
753 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
754 vdstPermute = calc_swizzle32(NULL, dstfmt); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
755 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
756 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
757 /* set a vector full of alpha and 255-alpha */ |
2291
dc3dd3a0bf02
Christian Walther fixed bug #529
Sam Lantinga <slouken@libsdl.org>
parents:
2267
diff
changeset
|
758 ((unsigned char *) &valpha)[0] = sA; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
759 valpha = vec_splat(valpha, 0); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
760 vbits = (vector unsigned char) vec_splat_s8(-1); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
761 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
762 ckey &= rgbmask; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
763 ((unsigned int *) (char *) &vckey)[0] = ckey; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
764 vckey = vec_splat(vckey, 0); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
765 ((unsigned int *) (char *) &vrgbmask)[0] = rgbmask; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
766 vrgbmask = vec_splat(vrgbmask, 0); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
767 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
768 while (height--) { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
769 int width = info->dst_w; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
770 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
771 while (condition) { \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
772 Uint32 Pixel; \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
773 unsigned sR, sG, sB, dR, dG, dB; \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
774 RETRIEVE_RGB_PIXEL(((Uint8 *)srcp), 4, Pixel); \ |
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
775 if(sA && Pixel != ckey) { \ |
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
776 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); \ |
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
777 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
778 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
779 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
780 } \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
781 dstp++; \ |
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
782 srcp++; \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
783 widthvar--; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
784 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
785 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
786 if (width > 0) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
787 int extrawidth = (width % 4); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
788 vector unsigned char valigner = VEC_ALIGNER(srcp); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
789 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
790 width -= extrawidth; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
791 while (width) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
792 vector unsigned char vsel; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
793 vector unsigned char voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
794 vector unsigned char vd; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
795 vector unsigned char vd_orig; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
796 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
797 /* s = *srcp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
798 voverflow = (vector unsigned char) vec_ld(15, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
799 vs = vec_perm(vs, voverflow, valigner); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
800 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
801 /* vsel is set for items that match the key */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
802 vsel = |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
803 (vector unsigned char) vec_and((vector unsigned int) vs, |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
804 vrgbmask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
805 vsel = (vector unsigned char) vec_cmpeq((vector unsigned int) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
806 vsel, vckey); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
807 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
808 /* permute to source format */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
809 vs = vec_perm(vs, valpha, vsrcPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
810 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
811 /* d = *dstp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
812 vd = (vector unsigned char) vec_ld(0, dstp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
813 vd_orig = vd = vec_perm(vd, v0, vsdstPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
814 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
815 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
816 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
817 /* set the alpha channel to full on */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
818 vd = vec_or(vd, valphamask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
819 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
820 /* mask out color key */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
821 vd = vec_sel(vd, vd_orig, vsel); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
822 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
823 /* permute to dest format */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
824 vd = vec_perm(vd, vbits, vdstPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
825 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
826 /* *dstp = res */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
827 vec_st((vector unsigned int) vd, 0, dstp); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
828 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
829 srcp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
830 dstp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
831 width -= 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
832 vs = voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
833 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
834 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
835 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
836 #undef ONE_PIXEL_BLEND |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
837 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
838 srcp += srcskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
839 dstp += dstskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
840 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
841 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
842 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
843 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
844 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
845 Blit32to32PixelAlphaAltivec(SDL_BlitInfo * info) |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
846 { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
847 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
848 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
849 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
850 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
851 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
852 int dstskip = info->dst_skip >> 2; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
853 SDL_PixelFormat *srcfmt = info->src_fmt; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
854 SDL_PixelFormat *dstfmt = info->dst_fmt; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
855 vector unsigned char mergePermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
856 vector unsigned char valphaPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
857 vector unsigned char vsrcPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
858 vector unsigned char vdstPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
859 vector unsigned char vsdstPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
860 vector unsigned char valphamask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
861 vector unsigned char vpixelmask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
862 vector unsigned char v0; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
863 vector unsigned short v1; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
864 vector unsigned short v8; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
865 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
866 v0 = vec_splat_u8(0); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
867 v1 = vec_splat_u16(1); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
868 v8 = vec_splat_u16(8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
869 mergePermute = VEC_MERGE_PERMUTE(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
870 valphamask = VEC_ALPHA_MASK(); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
871 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
872 vpixelmask = vec_nor(valphamask, v0); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
873 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
874 vdstPermute = calc_swizzle32(NULL, dstfmt); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
875 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
876 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
877 while (height--) { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
878 width = info->dst_w; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
879 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
880 Uint32 Pixel; \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
881 unsigned sR, sG, sB, dR, dG, dB, sA, dA; \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
882 DISEMBLE_RGBA((Uint8 *)srcp, 4, srcfmt, Pixel, sR, sG, sB, sA); \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
883 if(sA) { \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
884 DISEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, Pixel, dR, dG, dB, dA); \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
885 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
886 ASSEMBLE_RGBA((Uint8 *)dstp, 4, dstfmt, dR, dG, dB, dA); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
887 } \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
888 ++srcp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
889 ++dstp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
890 widthvar--; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
891 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
892 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
893 if (width > 0) { |
1487
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
894 /* vsrcPermute */ |
dc6b59e925a2
Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents:
1456
diff
changeset
|
895 /* vdstPermute */ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
896 int extrawidth = (width % 4); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
897 vector unsigned char valigner = VEC_ALIGNER(srcp); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
898 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
899 width -= extrawidth; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
900 while (width) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
901 vector unsigned char voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
902 vector unsigned char vd; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
903 vector unsigned char valpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
904 vector unsigned char vdstalpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
905 /* s = *srcp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
906 voverflow = (vector unsigned char) vec_ld(15, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
907 vs = vec_perm(vs, voverflow, valigner); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
908 vs = vec_perm(vs, v0, vsrcPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
909 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
910 valpha = vec_perm(vs, v0, valphaPermute); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
911 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
912 /* d = *dstp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
913 vd = (vector unsigned char) vec_ld(0, dstp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
914 vd = vec_perm(vd, v0, vsdstPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
915 vdstalpha = vec_and(vd, valphamask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
916 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
917 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
918 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
919 /* set the alpha to the dest alpha */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
920 vd = vec_and(vd, vpixelmask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
921 vd = vec_or(vd, vdstalpha); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
922 vd = vec_perm(vd, v0, vdstPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
923 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
924 /* *dstp = res */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
925 vec_st((vector unsigned int) vd, 0, dstp); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
926 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
927 srcp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
928 dstp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
929 width -= 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
930 vs = voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
931 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
932 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
933 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
934 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
935 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
936 dstp += dstskip; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
937 #undef ONE_PIXEL_BLEND |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
938 } |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
939 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
940 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
941 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
942 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
943 BlitRGBtoRGBPixelAlphaAltivec(SDL_BlitInfo * info) |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
944 { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
945 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
946 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
947 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
948 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
949 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
950 int dstskip = info->dst_skip >> 2; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
951 vector unsigned char mergePermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
952 vector unsigned char valphaPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
953 vector unsigned char valphamask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
954 vector unsigned char vpixelmask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
955 vector unsigned char v0; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
956 vector unsigned short v1; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
957 vector unsigned short v8; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
958 v0 = vec_splat_u8(0); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
959 v1 = vec_splat_u16(1); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
960 v8 = vec_splat_u16(8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
961 mergePermute = VEC_MERGE_PERMUTE(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
962 valphamask = VEC_ALPHA_MASK(); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
963 valphaPermute = vec_and(vec_lvsl(0, (int *) NULL), vec_splat_u8(0xC)); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
964 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
965 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
966 vpixelmask = vec_nor(valphamask, v0); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
967 while (height--) { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
968 width = info->dst_w; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
969 #define ONE_PIXEL_BLEND(condition, widthvar) \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
970 while ((condition)) { \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
971 Uint32 dalpha; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
972 Uint32 d; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
973 Uint32 s1; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
974 Uint32 d1; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
975 Uint32 s = *srcp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
976 Uint32 alpha = s >> 24; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
977 if(alpha) { \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
978 if(alpha == SDL_ALPHA_OPAQUE) { \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
979 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
980 } else { \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
981 d = *dstp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
982 dalpha = d & 0xff000000; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
983 s1 = s & 0xff00ff; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
984 d1 = d & 0xff00ff; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
985 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
986 s &= 0xff00; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
987 d &= 0xff00; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
988 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
989 *dstp = d1 | d | dalpha; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
990 } \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
991 } \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
992 ++srcp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
993 ++dstp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
994 widthvar--; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
995 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
996 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
997 if (width > 0) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
998 int extrawidth = (width % 4); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
999 vector unsigned char valigner = VEC_ALIGNER(srcp); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1000 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1001 width -= extrawidth; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1002 while (width) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1003 vector unsigned char voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1004 vector unsigned char vd; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1005 vector unsigned char valpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1006 vector unsigned char vdstalpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1007 /* s = *srcp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1008 voverflow = (vector unsigned char) vec_ld(15, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1009 vs = vec_perm(vs, voverflow, valigner); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1010 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1011 valpha = vec_perm(vs, v0, valphaPermute); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1012 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1013 /* d = *dstp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1014 vd = (vector unsigned char) vec_ld(0, dstp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1015 vdstalpha = vec_and(vd, valphamask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1016 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1017 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1018 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1019 /* set the alpha to the dest alpha */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1020 vd = vec_and(vd, vpixelmask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1021 vd = vec_or(vd, vdstalpha); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1022 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1023 /* *dstp = res */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1024 vec_st((vector unsigned int) vd, 0, dstp); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1025 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1026 srcp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1027 dstp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1028 width -= 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1029 vs = voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1030 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1031 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1032 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1033 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1034 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1035 } |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1036 #undef ONE_PIXEL_BLEND |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1037 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1038 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1039 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1040 Blit32to32SurfaceAlphaAltivec(SDL_BlitInfo * info) |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1041 { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1042 /* XXX : 6 */ |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1043 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1044 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1045 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1046 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1047 int dstskip = info->dst_skip >> 2; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1048 SDL_PixelFormat *srcfmt = info->src_fmt; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1049 SDL_PixelFormat *dstfmt = info->dst_fmt; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1050 unsigned sA = info->a; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1051 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1052 vector unsigned char mergePermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1053 vector unsigned char vsrcPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1054 vector unsigned char vdstPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1055 vector unsigned char vsdstPermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1056 vector unsigned char valpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1057 vector unsigned char valphamask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1058 vector unsigned char vbits; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1059 vector unsigned short v1; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1060 vector unsigned short v8; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1061 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1062 mergePermute = VEC_MERGE_PERMUTE(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1063 v1 = vec_splat_u16(1); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1064 v8 = vec_splat_u16(8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1065 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1066 /* set the alpha to 255 on the destination surf */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1067 valphamask = VEC_ALPHA_MASK(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1068 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1069 vsrcPermute = calc_swizzle32(srcfmt, NULL); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1070 vdstPermute = calc_swizzle32(NULL, dstfmt); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1071 vsdstPermute = calc_swizzle32(dstfmt, NULL); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1072 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1073 /* set a vector full of alpha and 255-alpha */ |
2291
dc3dd3a0bf02
Christian Walther fixed bug #529
Sam Lantinga <slouken@libsdl.org>
parents:
2267
diff
changeset
|
1074 ((unsigned char *) &valpha)[0] = sA; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1075 valpha = vec_splat(valpha, 0); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1076 vbits = (vector unsigned char) vec_splat_s8(-1); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1077 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1078 while (height--) { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1079 int width = info->dst_w; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1080 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1081 Uint32 Pixel; \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1082 unsigned sR, sG, sB, dR, dG, dB; \ |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1083 DISEMBLE_RGB(((Uint8 *)srcp), 4, srcfmt, Pixel, sR, sG, sB); \ |
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
1084 DISEMBLE_RGB(((Uint8 *)dstp), 4, dstfmt, Pixel, dR, dG, dB); \ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1085 ACCURATE_ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1086 ASSEMBLE_RGBA(((Uint8 *)dstp), 4, dstfmt, dR, dG, dB, dA); \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1087 ++srcp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1088 ++dstp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1089 widthvar--; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1090 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1091 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1092 if (width > 0) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1093 int extrawidth = (width % 4); |
2086
fffea8d6bf92
Merged r2954:2955 from branches/SDL-1.2: Altivec alpha blitter alignment fix.
Ryan C. Gordon <icculus@icculus.org>
parents:
2074
diff
changeset
|
1094 vector unsigned char valigner = VEC_ALIGNER(srcp); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1095 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1096 width -= extrawidth; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1097 while (width) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1098 vector unsigned char voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1099 vector unsigned char vd; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1100 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1101 /* s = *srcp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1102 voverflow = (vector unsigned char) vec_ld(15, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1103 vs = vec_perm(vs, voverflow, valigner); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1104 vs = vec_perm(vs, valpha, vsrcPermute); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1105 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1106 /* d = *dstp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1107 vd = (vector unsigned char) vec_ld(0, dstp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1108 vd = vec_perm(vd, vd, vsdstPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1109 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1110 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1111 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1112 /* set the alpha channel to full on */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1113 vd = vec_or(vd, valphamask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1114 vd = vec_perm(vd, vbits, vdstPermute); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1115 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1116 /* *dstp = res */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1117 vec_st((vector unsigned int) vd, 0, dstp); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1118 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1119 srcp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1120 dstp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1121 width -= 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1122 vs = voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1123 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1124 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1125 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1126 #undef ONE_PIXEL_BLEND |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1127 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1128 srcp += srcskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1129 dstp += dstskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1130 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1131 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1132 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1133 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1134 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1135 /* fast RGB888->(A)RGB888 blending */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1136 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1137 BlitRGBtoRGBSurfaceAlphaAltivec(SDL_BlitInfo * info) |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1138 { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1139 unsigned alpha = info->a; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1140 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1141 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1142 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1143 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1144 int dstskip = info->dst_skip >> 2; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1145 vector unsigned char mergePermute; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1146 vector unsigned char valpha; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1147 vector unsigned char valphamask; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1148 vector unsigned short v1; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1149 vector unsigned short v8; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1150 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1151 mergePermute = VEC_MERGE_PERMUTE(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1152 v1 = vec_splat_u16(1); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1153 v8 = vec_splat_u16(8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1154 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1155 /* set the alpha to 255 on the destination surf */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1156 valphamask = VEC_ALPHA_MASK(); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1157 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1158 /* set a vector full of alpha and 255-alpha */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1159 ((unsigned char *) &valpha)[0] = alpha; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1160 valpha = vec_splat(valpha, 0); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1161 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1162 while (height--) { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1163 int width = info->dst_w; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1164 #define ONE_PIXEL_BLEND(condition, widthvar) while ((condition)) { \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1165 Uint32 s = *srcp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1166 Uint32 d = *dstp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1167 Uint32 s1 = s & 0xff00ff; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1168 Uint32 d1 = d & 0xff00ff; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1169 d1 = (d1 + ((s1 - d1) * alpha >> 8)) \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1170 & 0xff00ff; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1171 s &= 0xff00; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1172 d &= 0xff00; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1173 d = (d + ((s - d) * alpha >> 8)) & 0xff00; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1174 *dstp = d1 | d | 0xff000000; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1175 ++srcp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1176 ++dstp; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1177 widthvar--; \ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1178 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1179 ONE_PIXEL_BLEND((UNALIGNED_PTR(dstp)) && (width), width); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1180 if (width > 0) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1181 int extrawidth = (width % 4); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1182 vector unsigned char valigner = VEC_ALIGNER(srcp); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1183 vector unsigned char vs = (vector unsigned char) vec_ld(0, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1184 width -= extrawidth; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1185 while (width) { |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1186 vector unsigned char voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1187 vector unsigned char vd; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1188 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1189 /* s = *srcp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1190 voverflow = (vector unsigned char) vec_ld(15, srcp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1191 vs = vec_perm(vs, voverflow, valigner); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1192 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1193 /* d = *dstp */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1194 vd = (vector unsigned char) vec_ld(0, dstp); |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1195 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1196 VEC_MULTIPLY_ALPHA(vs, vd, valpha, mergePermute, v1, v8); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1197 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1198 /* set the alpha channel to full on */ |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1199 vd = vec_or(vd, valphamask); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1200 |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1201 /* *dstp = res */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1202 vec_st((vector unsigned int) vd, 0, dstp); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1203 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1204 srcp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1205 dstp += 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1206 width -= 4; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1207 vs = voverflow; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1208 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1209 ONE_PIXEL_BLEND((extrawidth), extrawidth); |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1210 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1211 #undef ONE_PIXEL_BLEND |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1212 |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1213 srcp += srcskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1214 dstp += dstskip; |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1215 } |
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1216 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1217 |
1795 | 1218 #if __MWERKS__ |
1219 #pragma altivec_model off | |
1220 #endif | |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
1221 #endif /* SDL_ALTIVEC_BLITTERS */ |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
1222 |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1223 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1224 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1225 BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo * info) |
0 | 1226 { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1227 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1228 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1229 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1230 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1231 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1232 int dstskip = info->dst_skip >> 2; |
0 | 1233 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1234 while (height--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1235 /* *INDENT-OFF* */ |
0 | 1236 DUFFS_LOOP4({ |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1237 Uint32 s = *srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1238 Uint32 d = *dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1239 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1240 + (s & d & 0x00010101)) | 0xff000000; |
0 | 1241 }, width); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1242 /* *INDENT-ON* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1243 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1244 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1245 } |
0 | 1246 } |
1247 | |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1248 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1249 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1250 BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo * info) |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1251 { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1252 unsigned alpha = info->a; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1253 if (alpha == 128) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1254 BlitRGBtoRGBSurfaceAlpha128(info); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1255 } else { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1256 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1257 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1258 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1259 int srcskip = info->src_skip >> 2; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1260 Uint32 *dstp = (Uint32 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1261 int dstskip = info->dst_skip >> 2; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1262 Uint32 s; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1263 Uint32 d; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1264 Uint32 s1; |
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1265 Uint32 d1; |
1
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|
1266 |
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1267 while (height--) { |
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1268 /* *INDENT-OFF* */ |
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1269 DUFFS_LOOP_DOUBLE2({ |
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1270 /* One Pixel Blend */ |
1
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|
1271 s = *srcp; |
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|
1272 d = *dstp; |
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|
1273 s1 = s & 0xff00ff; |
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Changes since SDL 1.2.0 release
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|
1274 d1 = d & 0xff00ff; |
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|
1275 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
cf2af46e9e2a
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|
1276 & 0xff00ff; |
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|
1277 s &= 0xff00; |
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|
1278 d &= 0xff00; |
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Changes since SDL 1.2.0 release
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|
1279 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1280 *dstp = d1 | d | 0xff000000; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1281 ++srcp; |
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|
1282 ++dstp; |
689
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1283 },{ |
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1284 /* Two Pixels Blend */ |
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1285 s = *srcp; |
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1286 d = *dstp; |
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1287 s1 = s & 0xff00ff; |
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1288 d1 = d & 0xff00ff; |
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1289 d1 += (s1 - d1) * alpha >> 8; |
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1290 d1 &= 0xff00ff; |
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1291 |
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|
1292 s = ((s & 0xff00) >> 8) | |
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|
1293 ((srcp[1] & 0xff00) << 8); |
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1294 d = ((d & 0xff00) >> 8) | |
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1295 ((dstp[1] & 0xff00) << 8); |
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1296 d += (s - d) * alpha >> 8; |
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|
1297 d &= 0x00ff00ff; |
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1298 |
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|
1299 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
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1300 ++srcp; |
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1301 |
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1302 s1 = *srcp; |
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1303 d1 = *dstp; |
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1304 s1 &= 0xff00ff; |
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1305 d1 &= 0xff00ff; |
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1306 d1 += (s1 - d1) * alpha >> 8; |
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1307 d1 &= 0xff00ff; |
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1308 |
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1309 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
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1310 ++srcp; |
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1311 ++dstp; |
1
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|
1312 }, width); |
1895
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|
1313 /* *INDENT-ON* */ |
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|
1314 srcp += srcskip; |
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|
1315 dstp += dstskip; |
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|
1316 } |
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|
1317 } |
1
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Sam Lantinga <slouken@lokigames.com>
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|
1318 } |
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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0
diff
changeset
|
1319 |
0 | 1320 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
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|
1321 static void |
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|
1322 BlitRGBtoRGBPixelAlpha(SDL_BlitInfo * info) |
0 | 1323 { |
2262
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|
1324 int width = info->dst_w; |
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|
1325 int height = info->dst_h; |
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|
1326 Uint32 *srcp = (Uint32 *) info->src; |
2267
c785543d1843
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Sam Lantinga <slouken@libsdl.org>
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2262
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|
1327 int srcskip = info->src_skip >> 2; |
2262
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|
1328 Uint32 *dstp = (Uint32 *) info->dst; |
2267
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Okay, still some bugs, but everything builds again...
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|
1329 int dstskip = info->dst_skip >> 2; |
0 | 1330 |
1895
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1331 while (height--) { |
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|
1332 /* *INDENT-OFF* */ |
0 | 1333 DUFFS_LOOP4({ |
1334 Uint32 dalpha; | |
1335 Uint32 d; | |
1336 Uint32 s1; | |
1337 Uint32 d1; | |
1338 Uint32 s = *srcp; | |
1339 Uint32 alpha = s >> 24; | |
1340 /* FIXME: Here we special-case opaque alpha since the | |
1341 compositioning used (>>8 instead of /255) doesn't handle | |
1342 it correctly. Also special-case alpha=0 for speed? | |
1343 Benchmark this! */ | |
689
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1344 if(alpha) { |
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|
1345 if(alpha == SDL_ALPHA_OPAQUE) { |
0 | 1346 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
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|
1347 } else { |
0 | 1348 /* |
1349 * take out the middle component (green), and process | |
1350 * the other two in parallel. One multiply less. | |
1351 */ | |
1352 d = *dstp; | |
1353 dalpha = d & 0xff000000; | |
1354 s1 = s & 0xff00ff; | |
1355 d1 = d & 0xff00ff; | |
1356 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
1357 s &= 0xff00; | |
1358 d &= 0xff00; | |
1359 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
1360 *dstp = d1 | d | dalpha; | |
689
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1361 } |
0 | 1362 } |
1363 ++srcp; | |
1364 ++dstp; | |
1365 }, width); | |
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|
1366 /* *INDENT-ON* */ |
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1367 srcp += srcskip; |
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1368 dstp += dstskip; |
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|
1369 } |
0 | 1370 } |
1371 | |
2261
c20476d7d7b3
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|
1372 #ifdef __3dNOW__ |
1542 | 1373 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
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1374 static void |
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|
1375 BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo * info) |
1542 | 1376 { |
2262
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|
1377 int width = info->dst_w; |
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|
1378 int height = info->dst_h; |
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|
1379 Uint32 *srcp = (Uint32 *) info->src; |
2267
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Okay, still some bugs, but everything builds again...
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|
1380 int srcskip = info->src_skip >> 2; |
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|
1381 Uint32 *dstp = (Uint32 *) info->dst; |
2267
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Sam Lantinga <slouken@libsdl.org>
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|
1382 int dstskip = info->dst_skip >> 2; |
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|
1383 SDL_PixelFormat *sf = info->src_fmt; |
1895
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|
1384 Uint32 chanmask = sf->Rmask | sf->Gmask | sf->Bmask; |
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|
1385 Uint32 amask = sf->Amask; |
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|
1386 Uint32 ashift = sf->Ashift; |
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|
1387 Uint64 multmask; |
1542 | 1388 |
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|
1389 __m64 src1, dst1, mm_alpha, mm_zero, dmask; |
1542 | 1390 |
1895
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|
1391 mm_zero = _mm_setzero_si64(); /* 0 -> mm_zero */ |
2260 | 1392 multmask = 0xFFFF; |
2255
17b2369756be
Use MMX intrinsics over GCC inline assembly
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parents:
2232
diff
changeset
|
1393 multmask <<= (ashift * 2); |
17b2369756be
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changeset
|
1394 multmask = ~multmask; |
1895
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|
1395 dmask = *(__m64 *) & multmask; /* dst alpha mask -> dmask */ |
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|
1396 |
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|
1397 while (height--) { |
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|
1398 /* *INDENT-OFF* */ |
1542 | 1399 DUFFS_LOOP4({ |
1400 Uint32 alpha; | |
1401 | |
1402 _m_prefetch(srcp + 16); | |
1403 _m_prefetch(dstp + 16); | |
1404 | |
1405 alpha = *srcp & amask; | |
1406 if (alpha == 0) { | |
1407 /* do nothing */ | |
1408 } else if (alpha == amask) { | |
1409 /* copy RGB, keep dst alpha */ | |
1410 *dstp = (*srcp & chanmask) | (*dstp & ~chanmask); | |
1411 } else { | |
1412 src1 = _mm_cvtsi32_si64(*srcp); /* src(ARGB) -> src1 (0000ARGB)*/ | |
1413 src1 = _mm_unpacklo_pi8(src1, mm_zero); /* 0A0R0G0B -> src1 */ | |
1414 | |
1415 dst1 = _mm_cvtsi32_si64(*dstp); /* dst(ARGB) -> dst1 (0000ARGB)*/ | |
1416 dst1 = _mm_unpacklo_pi8(dst1, mm_zero); /* 0A0R0G0B -> dst1 */ | |
1417 | |
1418 mm_alpha = _mm_cvtsi32_si64(alpha); /* alpha -> mm_alpha (0000000A) */ | |
1419 mm_alpha = _mm_srli_si64(mm_alpha, ashift); /* mm_alpha >> ashift -> mm_alpha(0000000A) */ | |
1420 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ | |
1421 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ | |
1422 mm_alpha = _mm_and_si64(mm_alpha, dmask); /* 000A0A0A -> mm_alpha, preserve dst alpha on add */ | |
1423 | |
1424 /* blend */ | |
1425 src1 = _mm_sub_pi16(src1, dst1);/* src - dst -> src1 */ | |
1426 src1 = _mm_mullo_pi16(src1, mm_alpha); /* (src - dst) * alpha -> src1 */ | |
1427 src1 = _mm_srli_pi16(src1, 8); /* src1 >> 8 -> src1(000R0G0B) */ | |
1428 dst1 = _mm_add_pi8(src1, dst1); /* src1 + dst1(dst) -> dst1(0A0R0G0B) */ | |
1429 dst1 = _mm_packs_pu16(dst1, mm_zero); /* 0000ARGB -> dst1 */ | |
1430 | |
1431 *dstp = _mm_cvtsi64_si32(dst1); /* dst1 -> pixel */ | |
1432 } | |
1433 ++srcp; | |
1434 ++dstp; | |
1435 }, width); | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1436 /* *INDENT-ON* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1437 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1438 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1439 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1440 _mm_empty(); |
1542 | 1441 } |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1442 |
2255
17b2369756be
Use MMX intrinsics over GCC inline assembly
Sam Lantinga <slouken@libsdl.org>
parents:
2232
diff
changeset
|
1443 #endif /* __MMX__ */ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1444 |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1445 /* 16bpp special case for per-surface alpha=50%: blend 2 pixels in parallel */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1446 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1447 /* blend a single 16 bit pixel at 50% */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1448 #define BLEND16_50(d, s, mask) \ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1449 ((((s & mask) + (d & mask)) >> 1) + (s & d & (~mask & 0xffff))) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1450 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1451 /* blend two 16 bit pixels at 50% */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1452 #define BLEND2x16_50(d, s, mask) \ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1453 (((s & (mask | mask << 16)) >> 1) + ((d & (mask | mask << 16)) >> 1) \ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1454 + (s & d & (~(mask | mask << 16)))) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1455 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1456 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1457 Blit16to16SurfaceAlpha128(SDL_BlitInfo * info, Uint16 mask) |
0 | 1458 { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1459 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1460 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1461 Uint16 *srcp = (Uint16 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1462 int srcskip = info->src_skip >> 1; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1463 Uint16 *dstp = (Uint16 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1464 int dstskip = info->dst_skip >> 1; |
0 | 1465 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1466 while (height--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1467 if (((uintptr_t) srcp ^ (uintptr_t) dstp) & 2) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1468 /* |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1469 * Source and destination not aligned, pipeline it. |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1470 * This is mostly a win for big blits but no loss for |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1471 * small ones |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1472 */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1473 Uint32 prev_sw; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1474 int w = width; |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1475 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1476 /* handle odd destination */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1477 if ((uintptr_t) dstp & 2) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1478 Uint16 d = *dstp, s = *srcp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1479 *dstp = BLEND16_50(d, s, mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1480 dstp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1481 srcp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1482 w--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1483 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1484 srcp++; /* srcp is now 32-bit aligned */ |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1485 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1486 /* bootstrap pipeline with first halfword */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1487 prev_sw = ((Uint32 *) srcp)[-1]; |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1488 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1489 while (w > 1) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1490 Uint32 sw, dw, s; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1491 sw = *(Uint32 *) srcp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1492 dw = *(Uint32 *) dstp; |
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1493 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1494 s = (prev_sw << 16) + (sw >> 16); |
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1495 #else |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1496 s = (prev_sw >> 16) + (sw << 16); |
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1497 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1498 prev_sw = sw; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1499 *(Uint32 *) dstp = BLEND2x16_50(dw, s, mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1500 dstp += 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1501 srcp += 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1502 w -= 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1503 } |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1504 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1505 /* final pixel if any */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1506 if (w) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1507 Uint16 d = *dstp, s; |
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1508 #if SDL_BYTEORDER == SDL_BIG_ENDIAN |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1509 s = (Uint16) prev_sw; |
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1510 #else |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1511 s = (Uint16) (prev_sw >> 16); |
1443
9ebbbb4ae53b
Fixed some OpenWatcom warnings
Sam Lantinga <slouken@libsdl.org>
parents:
1428
diff
changeset
|
1512 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1513 *dstp = BLEND16_50(d, s, mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1514 srcp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1515 dstp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1516 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1517 srcp += srcskip - 1; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1518 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1519 } else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1520 /* source and destination are aligned */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1521 int w = width; |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1522 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1523 /* first odd pixel? */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1524 if ((uintptr_t) srcp & 2) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1525 Uint16 d = *dstp, s = *srcp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1526 *dstp = BLEND16_50(d, s, mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1527 srcp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1528 dstp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1529 w--; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1530 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1531 /* srcp and dstp are now 32-bit aligned */ |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1532 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1533 while (w > 1) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1534 Uint32 sw = *(Uint32 *) srcp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1535 Uint32 dw = *(Uint32 *) dstp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1536 *(Uint32 *) dstp = BLEND2x16_50(dw, sw, mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1537 srcp += 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1538 dstp += 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1539 w -= 2; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1540 } |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1541 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1542 /* last odd pixel? */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1543 if (w) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1544 Uint16 d = *dstp, s = *srcp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1545 *dstp = BLEND16_50(d, s, mask); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1546 srcp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1547 dstp++; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1548 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1549 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1550 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1551 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1552 } |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1553 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1554 |
2255
17b2369756be
Use MMX intrinsics over GCC inline assembly
Sam Lantinga <slouken@libsdl.org>
parents:
2232
diff
changeset
|
1555 #ifdef __MMX__ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1556 |
1542 | 1557 /* fast RGB565->RGB565 blending with surface alpha */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1558 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1559 Blit565to565SurfaceAlphaMMX(SDL_BlitInfo * info) |
1542 | 1560 { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1561 unsigned alpha = info->a; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1562 if (alpha == 128) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1563 Blit16to16SurfaceAlpha128(info, 0xf7de); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1564 } else { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1565 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1566 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1567 Uint16 *srcp = (Uint16 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1568 int srcskip = info->src_skip >> 1; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1569 Uint16 *dstp = (Uint16 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1570 int dstskip = info->dst_skip >> 1; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1571 Uint32 s, d; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1572 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1573 __m64 src1, dst1, src2, dst2, gmask, bmask, mm_res, mm_alpha; |
1542 | 1574 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1575 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1576 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1577 alpha >>= 3; /* downscale alpha to 5 bits */ |
1542 | 1578 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1579 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1580 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1581 /* position alpha to allow for mullo and mulhi on diff channels |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1582 to reduce the number of operations */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1583 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1584 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1585 /* Setup the 565 color channel masks */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1586 gmask = _mm_set_pi32(0x07E007E0, 0x07E007E0); /* MASKGREEN -> gmask */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1587 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1588 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1589 while (height--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1590 /* *INDENT-OFF* */ |
1542 | 1591 DUFFS_LOOP_QUATRO2( |
1592 { | |
1593 s = *srcp++; | |
1594 d = *dstp; | |
1595 /* | |
1596 * shift out the middle component (green) to | |
1597 * the high 16 bits, and process all three RGB | |
1598 * components at the same time. | |
1599 */ | |
1600 s = (s | s << 16) & 0x07e0f81f; | |
1601 d = (d | d << 16) & 0x07e0f81f; | |
1602 d += (s - d) * alpha >> 5; | |
1603 d &= 0x07e0f81f; | |
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
1604 *dstp++ = (Uint16)(d | d >> 16); |
1542 | 1605 },{ |
1606 s = *srcp++; | |
1607 d = *dstp; | |
1608 /* | |
1609 * shift out the middle component (green) to | |
1610 * the high 16 bits, and process all three RGB | |
1611 * components at the same time. | |
1612 */ | |
1613 s = (s | s << 16) & 0x07e0f81f; | |
1614 d = (d | d << 16) & 0x07e0f81f; | |
1615 d += (s - d) * alpha >> 5; | |
1616 d &= 0x07e0f81f; | |
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
1617 *dstp++ = (Uint16)(d | d >> 16); |
1542 | 1618 s = *srcp++; |
1619 d = *dstp; | |
1620 /* | |
1621 * shift out the middle component (green) to | |
1622 * the high 16 bits, and process all three RGB | |
1623 * components at the same time. | |
1624 */ | |
1625 s = (s | s << 16) & 0x07e0f81f; | |
1626 d = (d | d << 16) & 0x07e0f81f; | |
1627 d += (s - d) * alpha >> 5; | |
1628 d &= 0x07e0f81f; | |
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
1629 *dstp++ = (Uint16)(d | d >> 16); |
1542 | 1630 },{ |
1631 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
1632 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
1633 | |
1634 /* red */ | |
1635 src2 = src1; | |
1636 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 [000r 000r 000r 000r] */ | |
1637 | |
1638 dst2 = dst1; | |
1639 dst2 = _mm_srli_pi16(dst2, 11); /* dst2 >> 11 -> dst2 [000r 000r 000r 000r] */ | |
1640 | |
1641 /* blend */ | |
1642 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
1643 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
1644 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
1645 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
1646 dst2 = _mm_slli_pi16(dst2, 11); /* dst2 << 11 -> dst2 */ | |
1647 | |
1648 mm_res = dst2; /* RED -> mm_res */ | |
1649 | |
1650 /* green -- process the bits in place */ | |
1651 src2 = src1; | |
1652 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
1653 | |
1654 dst2 = dst1; | |
1655 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
1656 | |
1657 /* blend */ | |
1658 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
1659 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
1660 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
1661 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
1662 | |
1663 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
1664 | |
1665 /* blue */ | |
1666 src2 = src1; | |
1667 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
1668 | |
1669 dst2 = dst1; | |
1670 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
1671 | |
1672 /* blend */ | |
1673 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
1674 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
1675 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
1676 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
1677 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
1678 | |
1679 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
1680 | |
1681 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
1682 | |
1683 srcp += 4; | |
1684 dstp += 4; | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1685 }, width); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1686 /* *INDENT-ON* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1687 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1688 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1689 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1690 _mm_empty(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1691 } |
1542 | 1692 } |
1693 | |
1694 /* fast RGB555->RGB555 blending with surface alpha */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1695 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1696 Blit555to555SurfaceAlphaMMX(SDL_BlitInfo * info) |
1542 | 1697 { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1698 unsigned alpha = info->a; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1699 if (alpha == 128) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1700 Blit16to16SurfaceAlpha128(info, 0xfbde); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1701 } else { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1702 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1703 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1704 Uint16 *srcp = (Uint16 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1705 int srcskip = info->src_skip >> 1; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1706 Uint16 *dstp = (Uint16 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1707 int dstskip = info->dst_skip >> 1; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1708 Uint32 s, d; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1709 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1710 __m64 src1, dst1, src2, dst2, rmask, gmask, bmask, mm_res, mm_alpha; |
1542 | 1711 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1712 alpha &= ~(1 + 2 + 4); /* cut alpha to get the exact same behaviour */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1713 mm_alpha = _mm_set_pi32(0, alpha); /* 0000000A -> mm_alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1714 alpha >>= 3; /* downscale alpha to 5 bits */ |
1542 | 1715 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1716 mm_alpha = _mm_unpacklo_pi16(mm_alpha, mm_alpha); /* 00000A0A -> mm_alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1717 mm_alpha = _mm_unpacklo_pi32(mm_alpha, mm_alpha); /* 0A0A0A0A -> mm_alpha */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1718 /* position alpha to allow for mullo and mulhi on diff channels |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1719 to reduce the number of operations */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1720 mm_alpha = _mm_slli_si64(mm_alpha, 3); |
1542 | 1721 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1722 /* Setup the 555 color channel masks */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1723 rmask = _mm_set_pi32(0x7C007C00, 0x7C007C00); /* MASKRED -> rmask */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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1795
diff
changeset
|
1724 gmask = _mm_set_pi32(0x03E003E0, 0x03E003E0); /* MASKGREEN -> gmask */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1725 bmask = _mm_set_pi32(0x001F001F, 0x001F001F); /* MASKBLUE -> bmask */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1726 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1727 while (height--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1728 /* *INDENT-OFF* */ |
1542 | 1729 DUFFS_LOOP_QUATRO2( |
1730 { | |
1731 s = *srcp++; | |
1732 d = *dstp; | |
1733 /* | |
1734 * shift out the middle component (green) to | |
1735 * the high 16 bits, and process all three RGB | |
1736 * components at the same time. | |
1737 */ | |
1738 s = (s | s << 16) & 0x03e07c1f; | |
1739 d = (d | d << 16) & 0x03e07c1f; | |
1740 d += (s - d) * alpha >> 5; | |
1741 d &= 0x03e07c1f; | |
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
1742 *dstp++ = (Uint16)(d | d >> 16); |
1542 | 1743 },{ |
1744 s = *srcp++; | |
1745 d = *dstp; | |
1746 /* | |
1747 * shift out the middle component (green) to | |
1748 * the high 16 bits, and process all three RGB | |
1749 * components at the same time. | |
1750 */ | |
1751 s = (s | s << 16) & 0x03e07c1f; | |
1752 d = (d | d << 16) & 0x03e07c1f; | |
1753 d += (s - d) * alpha >> 5; | |
1754 d &= 0x03e07c1f; | |
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
1755 *dstp++ = (Uint16)(d | d >> 16); |
1542 | 1756 s = *srcp++; |
1757 d = *dstp; | |
1758 /* | |
1759 * shift out the middle component (green) to | |
1760 * the high 16 bits, and process all three RGB | |
1761 * components at the same time. | |
1762 */ | |
1763 s = (s | s << 16) & 0x03e07c1f; | |
1764 d = (d | d << 16) & 0x03e07c1f; | |
1765 d += (s - d) * alpha >> 5; | |
1766 d &= 0x03e07c1f; | |
1546
4b835e36633d
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1542
diff
changeset
|
1767 *dstp++ = (Uint16)(d | d >> 16); |
1542 | 1768 },{ |
1769 src1 = *(__m64*)srcp; /* 4 src pixels -> src1 */ | |
1770 dst1 = *(__m64*)dstp; /* 4 dst pixels -> dst1 */ | |
1771 | |
1772 /* red -- process the bits in place */ | |
1773 src2 = src1; | |
1774 src2 = _mm_and_si64(src2, rmask); /* src & MASKRED -> src2 */ | |
1775 | |
1776 dst2 = dst1; | |
1777 dst2 = _mm_and_si64(dst2, rmask); /* dst & MASKRED -> dst2 */ | |
1778 | |
1779 /* blend */ | |
1780 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
1781 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
1782 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
1783 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
1784 dst2 = _mm_and_si64(dst2, rmask); /* dst2 & MASKRED -> dst2 */ | |
1785 | |
1786 mm_res = dst2; /* RED -> mm_res */ | |
1787 | |
1788 /* green -- process the bits in place */ | |
1789 src2 = src1; | |
1790 src2 = _mm_and_si64(src2, gmask); /* src & MASKGREEN -> src2 */ | |
1791 | |
1792 dst2 = dst1; | |
1793 dst2 = _mm_and_si64(dst2, gmask); /* dst & MASKGREEN -> dst2 */ | |
1794 | |
1795 /* blend */ | |
1796 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
1797 src2 = _mm_mulhi_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
1798 src2 = _mm_slli_pi16(src2, 5); /* src2 << 5 -> src2 */ | |
1799 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
1800 | |
1801 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN -> mm_res */ | |
1802 | |
1803 /* blue */ | |
1804 src2 = src1; /* src -> src2 */ | |
1805 src2 = _mm_and_si64(src2, bmask); /* src & MASKBLUE -> src2[000b 000b 000b 000b] */ | |
1806 | |
1807 dst2 = dst1; /* dst -> dst2 */ | |
1808 dst2 = _mm_and_si64(dst2, bmask); /* dst & MASKBLUE -> dst2[000b 000b 000b 000b] */ | |
1809 | |
1810 /* blend */ | |
1811 src2 = _mm_sub_pi16(src2, dst2);/* src - dst -> src2 */ | |
1812 src2 = _mm_mullo_pi16(src2, mm_alpha); /* src2 * alpha -> src2 */ | |
1813 src2 = _mm_srli_pi16(src2, 11); /* src2 >> 11 -> src2 */ | |
1814 dst2 = _mm_add_pi16(src2, dst2); /* src2 + dst2 -> dst2 */ | |
1815 dst2 = _mm_and_si64(dst2, bmask); /* dst2 & MASKBLUE -> dst2 */ | |
1816 | |
1817 mm_res = _mm_or_si64(mm_res, dst2); /* RED | GREEN | BLUE -> mm_res */ | |
1818 | |
1819 *(__m64*)dstp = mm_res; /* mm_res -> 4 dst pixels */ | |
1820 | |
1821 srcp += 4; | |
1822 dstp += 4; | |
1895
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Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1823 }, width); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1824 /* *INDENT-ON* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1825 srcp += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1826 dstp += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1827 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1828 _mm_empty(); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1829 } |
1542 | 1830 } |
2255
17b2369756be
Use MMX intrinsics over GCC inline assembly
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1831 |
17b2369756be
Use MMX intrinsics over GCC inline assembly
Sam Lantinga <slouken@libsdl.org>
parents:
2232
diff
changeset
|
1832 #endif /* __MMX__ */ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1833 |
1
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Changes since SDL 1.2.0 release
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parents:
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diff
changeset
|
1834 /* fast RGB565->RGB565 blending with surface alpha */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1835 static void |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
1836 Blit565to565SurfaceAlpha(SDL_BlitInfo * info) |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
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diff
changeset
|
1837 { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1838 unsigned alpha = info->a; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1839 if (alpha == 128) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1840 Blit16to16SurfaceAlpha128(info, 0xf7de); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
1841 } else { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
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diff
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|
1842 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
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parents:
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|
1843 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1844 Uint16 *srcp = (Uint16 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
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|
1845 int srcskip = info->src_skip >> 1; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1846 Uint16 *dstp = (Uint16 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1847 int dstskip = info->dst_skip >> 1; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
1848 alpha >>= 3; /* downscale alpha to 5 bits */ |
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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|
1849 |
1895
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Sam Lantinga <slouken@libsdl.org>
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|
1850 while (height--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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|
1851 /* *INDENT-OFF* */ |
1
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
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diff
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|
1852 DUFFS_LOOP4({ |
cf2af46e9e2a
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parents:
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diff
changeset
|
1853 Uint32 s = *srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
1854 Uint32 d = *dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1855 /* |
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Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
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|
1856 * shift out the middle component (green) to |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
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diff
changeset
|
1857 * the high 16 bits, and process all three RGB |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
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diff
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|
1858 * components at the same time. |
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Sam Lantinga <slouken@lokigames.com>
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diff
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|
1859 */ |
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parents:
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changeset
|
1860 s = (s | s << 16) & 0x07e0f81f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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|
1861 d = (d | d << 16) & 0x07e0f81f; |
cf2af46e9e2a
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changeset
|
1862 d += (s - d) * alpha >> 5; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1863 d &= 0x07e0f81f; |
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
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|
1864 *dstp++ = (Uint16)(d | d >> 16); |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
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|
1865 }, width); |
1895
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|
1866 /* *INDENT-ON* */ |
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|
1867 srcp += srcskip; |
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Sam Lantinga <slouken@libsdl.org>
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changeset
|
1868 dstp += dstskip; |
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|
1869 } |
c121d94672cb
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changeset
|
1870 } |
0 | 1871 } |
1872 | |
1873 /* fast RGB555->RGB555 blending with surface alpha */ | |
1895
c121d94672cb
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|
1874 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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|
1875 Blit555to555SurfaceAlpha(SDL_BlitInfo * info) |
0 | 1876 { |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
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|
1877 unsigned alpha = info->a; /* downscale alpha to 5 bits */ |
1895
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changeset
|
1878 if (alpha == 128) { |
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|
1879 Blit16to16SurfaceAlpha128(info, 0xfbde); |
c121d94672cb
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diff
changeset
|
1880 } else { |
2262
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|
1881 int width = info->dst_w; |
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Work in progress: merging new texture features into SDL blit system
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parents:
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diff
changeset
|
1882 int height = info->dst_h; |
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Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
1883 Uint16 *srcp = (Uint16 *) info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1884 int srcskip = info->src_skip >> 1; |
2262
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Work in progress: merging new texture features into SDL blit system
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parents:
2261
diff
changeset
|
1885 Uint16 *dstp = (Uint16 *) info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
1886 int dstskip = info->dst_skip >> 1; |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
1887 alpha >>= 3; /* downscale alpha to 5 bits */ |
0 | 1888 |
1895
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changeset
|
1889 while (height--) { |
c121d94672cb
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changeset
|
1890 /* *INDENT-OFF* */ |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
1891 DUFFS_LOOP4({ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
0
diff
changeset
|
1892 Uint32 s = *srcp++; |
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0
diff
changeset
|
1893 Uint32 d = *dstp; |
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0
diff
changeset
|
1894 /* |
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0
diff
changeset
|
1895 * shift out the middle component (green) to |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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parents:
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diff
changeset
|
1896 * the high 16 bits, and process all three RGB |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
1897 * components at the same time. |
cf2af46e9e2a
Changes since SDL 1.2.0 release
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diff
changeset
|
1898 */ |
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0
diff
changeset
|
1899 s = (s | s << 16) & 0x03e07c1f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
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diff
changeset
|
1900 d = (d | d << 16) & 0x03e07c1f; |
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Changes since SDL 1.2.0 release
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0
diff
changeset
|
1901 d += (s - d) * alpha >> 5; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1902 d &= 0x03e07c1f; |
1428
5f52867ba65c
Update for Visual C++ 6.0
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1903 *dstp++ = (Uint16)(d | d >> 16); |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1904 }, width); |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1795
diff
changeset
|
1905 /* *INDENT-ON* */ |
c121d94672cb
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Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
1906 srcp += srcskip; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
1907 dstp += dstskip; |
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1908 } |
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1909 } |
0 | 1910 } |
1911 | |
1912 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
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1913 static void |
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1914 BlitARGBto565PixelAlpha(SDL_BlitInfo * info) |
0 | 1915 { |
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1916 int width = info->dst_w; |
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1917 int height = info->dst_h; |
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1918 Uint32 *srcp = (Uint32 *) info->src; |
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1919 int srcskip = info->src_skip >> 2; |
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1920 Uint16 *dstp = (Uint16 *) info->dst; |
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1921 int dstskip = info->dst_skip >> 1; |
0 | 1922 |
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1923 while (height--) { |
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1924 /* *INDENT-OFF* */ |
0 | 1925 DUFFS_LOOP4({ |
1926 Uint32 s = *srcp; | |
1927 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
1928 /* FIXME: Here we special-case opaque alpha since the | |
1929 compositioning used (>>8 instead of /255) doesn't handle | |
1930 it correctly. Also special-case alpha=0 for speed? | |
1931 Benchmark this! */ | |
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1932 if(alpha) { |
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1933 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
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1934 *dstp = (Uint16)((s >> 8 & 0xf800) + (s >> 5 & 0x7e0) + (s >> 3 & 0x1f)); |
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1935 } else { |
0 | 1936 Uint32 d = *dstp; |
1937 /* | |
1938 * convert source and destination to G0RAB65565 | |
1939 * and blend all components at the same time | |
1940 */ | |
1941 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
1942 + (s >> 3 & 0x1f); | |
1943 d = (d | d << 16) & 0x07e0f81f; | |
1944 d += (s - d) * alpha >> 5; | |
1945 d &= 0x07e0f81f; | |
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1946 *dstp = (Uint16)(d | d >> 16); |
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1947 } |
0 | 1948 } |
1949 srcp++; | |
1950 dstp++; | |
1951 }, width); | |
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1952 /* *INDENT-ON* */ |
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1953 srcp += srcskip; |
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1954 dstp += dstskip; |
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1955 } |
0 | 1956 } |
1957 | |
1958 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
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1959 static void |
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1960 BlitARGBto555PixelAlpha(SDL_BlitInfo * info) |
0 | 1961 { |
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1962 int width = info->dst_w; |
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1963 int height = info->dst_h; |
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1964 Uint32 *srcp = (Uint32 *) info->src; |
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1965 int srcskip = info->src_skip >> 2; |
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1966 Uint16 *dstp = (Uint16 *) info->dst; |
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1967 int dstskip = info->dst_skip >> 1; |
0 | 1968 |
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1969 while (height--) { |
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1970 /* *INDENT-OFF* */ |
0 | 1971 DUFFS_LOOP4({ |
1972 unsigned alpha; | |
1973 Uint32 s = *srcp; | |
1974 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
1975 /* FIXME: Here we special-case opaque alpha since the | |
1976 compositioning used (>>8 instead of /255) doesn't handle | |
1977 it correctly. Also special-case alpha=0 for speed? | |
1978 Benchmark this! */ | |
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1979 if(alpha) { |
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1980 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
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1981 *dstp = (Uint16)((s >> 9 & 0x7c00) + (s >> 6 & 0x3e0) + (s >> 3 & 0x1f)); |
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1982 } else { |
0 | 1983 Uint32 d = *dstp; |
1984 /* | |
1985 * convert source and destination to G0RAB65565 | |
1986 * and blend all components at the same time | |
1987 */ | |
1988 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
1989 + (s >> 3 & 0x1f); | |
1990 d = (d | d << 16) & 0x03e07c1f; | |
1991 d += (s - d) * alpha >> 5; | |
1992 d &= 0x03e07c1f; | |
1428
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1993 *dstp = (Uint16)(d | d >> 16); |
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1994 } |
0 | 1995 } |
1996 srcp++; | |
1997 dstp++; | |
1998 }, width); | |
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1999 /* *INDENT-ON* */ |
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2000 srcp += srcskip; |
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2001 dstp += dstskip; |
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2002 } |
0 | 2003 } |
2004 | |
2005 /* General (slow) N->N blending with per-surface alpha */ | |
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2006 static void |
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2007 BlitNtoNSurfaceAlpha(SDL_BlitInfo * info) |
0 | 2008 { |
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2009 int width = info->dst_w; |
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2010 int height = info->dst_h; |
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2011 Uint8 *src = info->src; |
2267
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2012 int srcskip = info->src_skip; |
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2013 Uint8 *dst = info->dst; |
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2014 int dstskip = info->dst_skip; |
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2015 SDL_PixelFormat *srcfmt = info->src_fmt; |
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2016 SDL_PixelFormat *dstfmt = info->dst_fmt; |
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2017 int srcbpp = srcfmt->BytesPerPixel; |
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2018 int dstbpp = dstfmt->BytesPerPixel; |
2267
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2019 unsigned sA = info->a; |
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2020 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
0 | 2021 |
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2022 if (sA) { |
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2023 while (height--) { |
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2024 /* *INDENT-OFF* */ |
0 | 2025 DUFFS_LOOP4( |
2026 { | |
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2027 Uint32 Pixel; |
0 | 2028 unsigned sR; |
2029 unsigned sG; | |
2030 unsigned sB; | |
2031 unsigned dR; | |
2032 unsigned dG; | |
2033 unsigned dB; | |
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2034 DISEMBLE_RGB(src, srcbpp, srcfmt, Pixel, sR, sG, sB); |
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2035 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
0 | 2036 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
2037 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
2038 src += srcbpp; | |
2039 dst += dstbpp; | |
2040 }, | |
2041 width); | |
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2042 /* *INDENT-ON* */ |
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2043 src += srcskip; |
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2044 dst += dstskip; |
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2045 } |
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2046 } |
0 | 2047 } |
2048 | |
2049 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
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2050 static void |
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2051 BlitNtoNSurfaceAlphaKey(SDL_BlitInfo * info) |
0 | 2052 { |
2262
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2053 int width = info->dst_w; |
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2054 int height = info->dst_h; |
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2055 Uint8 *src = info->src; |
2267
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2056 int srcskip = info->src_skip; |
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2057 Uint8 *dst = info->dst; |
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|
2058 int dstskip = info->dst_skip; |
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2059 SDL_PixelFormat *srcfmt = info->src_fmt; |
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2060 SDL_PixelFormat *dstfmt = info->dst_fmt; |
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|
2061 Uint32 ckey = info->colorkey; |
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2062 int srcbpp = srcfmt->BytesPerPixel; |
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2063 int dstbpp = dstfmt->BytesPerPixel; |
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2064 unsigned sA = info->a; |
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2065 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; |
0 | 2066 |
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2067 while (height--) { |
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2068 /* *INDENT-OFF* */ |
0 | 2069 DUFFS_LOOP4( |
2070 { | |
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2071 Uint32 Pixel; |
0 | 2072 unsigned sR; |
2073 unsigned sG; | |
2074 unsigned sB; | |
2075 unsigned dR; | |
2076 unsigned dG; | |
2077 unsigned dB; | |
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2078 RETRIEVE_RGB_PIXEL(src, srcbpp, Pixel); |
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2079 if(sA && Pixel != ckey) { |
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2080 RGB_FROM_PIXEL(Pixel, srcfmt, sR, sG, sB); |
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|
2081 DISEMBLE_RGB(dst, dstbpp, dstfmt, Pixel, dR, dG, dB); |
0 | 2082 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
2083 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
2084 } | |
2085 src += srcbpp; | |
2086 dst += dstbpp; | |
2087 }, | |
2088 width); | |
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2089 /* *INDENT-ON* */ |
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changeset
|
2090 src += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2091 dst += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2092 } |
0 | 2093 } |
2094 | |
2095 /* General (slow) N->N blending with pixel alpha */ | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2096 static void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2097 BlitNtoNPixelAlpha(SDL_BlitInfo * info) |
0 | 2098 { |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
2099 int width = info->dst_w; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
2100 int height = info->dst_h; |
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
2101 Uint8 *src = info->src; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2102 int srcskip = info->src_skip; |
2262
bee005ace1bf
Work in progress: merging new texture features into SDL blit system
Sam Lantinga <slouken@libsdl.org>
parents:
2261
diff
changeset
|
2103 Uint8 *dst = info->dst; |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2104 int dstskip = info->dst_skip; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2105 SDL_PixelFormat *srcfmt = info->src_fmt; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2106 SDL_PixelFormat *dstfmt = info->dst_fmt; |
0 | 2107 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2108 int srcbpp; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2109 int dstbpp; |
0 | 2110 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2111 /* Set up some basic variables */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2112 srcbpp = srcfmt->BytesPerPixel; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2113 dstbpp = dstfmt->BytesPerPixel; |
0 | 2114 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2115 /* FIXME: for 8bpp source alpha, this doesn't get opaque values |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2116 quite right. for <8bpp source alpha, it gets them very wrong |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2117 (check all macros!) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2118 It is unclear whether there is a good general solution that doesn't |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2119 need a branch (or a divide). */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2120 while (height--) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2121 /* *INDENT-OFF* */ |
0 | 2122 DUFFS_LOOP4( |
2123 { | |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2124 Uint32 Pixel; |
0 | 2125 unsigned sR; |
2126 unsigned sG; | |
2127 unsigned sB; | |
2128 unsigned dR; | |
2129 unsigned dG; | |
2130 unsigned dB; | |
2131 unsigned sA; | |
2132 unsigned dA; | |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2133 DISEMBLE_RGBA(src, srcbpp, srcfmt, Pixel, sR, sG, sB, sA); |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2134 if(sA) { |
1162
2651158f59b8
Enable altivec blitters on PowerPC Linux, and some fixes for recent
Ryan C. Gordon <icculus@icculus.org>
parents:
1047
diff
changeset
|
2135 DISEMBLE_RGBA(dst, dstbpp, dstfmt, Pixel, dR, dG, dB, dA); |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2136 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2137 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
2138 } |
0 | 2139 src += srcbpp; |
2140 dst += dstbpp; | |
2141 }, | |
2142 width); | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2143 /* *INDENT-ON* */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2144 src += srcskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2145 dst += dstskip; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2146 } |
0 | 2147 } |
2148 | |
2149 | |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2150 SDL_BlitFunc |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2151 SDL_CalculateBlitA(SDL_Surface * surface) |
0 | 2152 { |
2153 SDL_PixelFormat *sf = surface->format; | |
2154 SDL_PixelFormat *df = surface->map->dst->format; | |
2155 | |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2156 switch (surface->map->info.flags) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2157 case SDL_COPY_BLEND: |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2158 /* Per-pixel alpha blits */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2159 switch (df->BytesPerPixel) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2160 case 1: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2161 return BlitNto1PixelAlpha; |
0 | 2162 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2163 case 2: |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2164 #if SDL_ALTIVEC_BLITTERS |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2165 if (sf->BytesPerPixel == 4 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2166 && df->Gmask == 0x7e0 && df->Bmask == 0x1f |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2167 && SDL_HasAltiVec()) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2168 return Blit32to565PixelAlphaAltivec; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2169 else |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2170 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2171 if (sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2172 && sf->Gmask == 0xff00 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2173 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2174 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2175 if (df->Gmask == 0x7e0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2176 return BlitARGBto565PixelAlpha; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2177 else if (df->Gmask == 0x3e0) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2178 return BlitARGBto555PixelAlpha; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2179 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2180 return BlitNtoNPixelAlpha; |
0 | 2181 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2182 case 4: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2183 if (sf->Rmask == df->Rmask |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2184 && sf->Gmask == df->Gmask |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2185 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
2261
c20476d7d7b3
Enabled 3DNow! intrinsic support
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
2186 #if defined(__MMX__) || defined(__3dNOW__) |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2187 if (sf->Rshift % 8 == 0 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2188 && sf->Gshift % 8 == 0 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2189 && sf->Bshift % 8 == 0 |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2190 && sf->Ashift % 8 == 0 && sf->Aloss == 0) { |
2261
c20476d7d7b3
Enabled 3DNow! intrinsic support
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
2191 #ifdef __3dNOW__ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2192 if (SDL_Has3DNow()) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2193 return BlitRGBtoRGBPixelAlphaMMX3DNOW; |
2261
c20476d7d7b3
Enabled 3DNow! intrinsic support
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
2194 #endif |
c20476d7d7b3
Enabled 3DNow! intrinsic support
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
2195 #ifdef __MMX__ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2196 if (SDL_HasMMX()) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2197 return BlitRGBtoRGBPixelAlphaMMX; |
2261
c20476d7d7b3
Enabled 3DNow! intrinsic support
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
2198 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2199 } |
2261
c20476d7d7b3
Enabled 3DNow! intrinsic support
Sam Lantinga <slouken@libsdl.org>
parents:
2260
diff
changeset
|
2200 #endif /* __MMX__ || __3dNOW__ */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2201 if (sf->Amask == 0xff000000) { |
1617
b255b4058d37
Patch from Alex to fix reverted code
Sam Lantinga <slouken@libsdl.org>
parents:
1546
diff
changeset
|
2202 #if SDL_ALTIVEC_BLITTERS |
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2203 if (SDL_HasAltiVec()) |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2204 return BlitRGBtoRGBPixelAlphaAltivec; |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2205 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2206 return BlitRGBtoRGBPixelAlpha; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2207 } |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2208 } |
1361
19418e4422cb
New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents:
1358
diff
changeset
|
2209 #if SDL_ALTIVEC_BLITTERS |
2231
a353684c7cc1
Fixed compiling the Altivec blit code
Sam Lantinga <slouken@libsdl.org>
parents:
2141
diff
changeset
|
2210 if (sf->Amask && sf->BytesPerPixel == 4 && SDL_HasAltiVec()) |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2211 return Blit32to32PixelAlphaAltivec; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2212 else |
1047
ffaaf7ecf685
Altivec-optimized blitters!
Ryan C. Gordon <icculus@icculus.org>
parents:
880
diff
changeset
|
2213 #endif |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2214 return BlitNtoNPixelAlpha; |
0 | 2215 |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2216 case 3: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2217 default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2218 return BlitNtoNPixelAlpha; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2219 } |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2220 break; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2221 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2222 case SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2223 if (sf->Amask == 0) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2224 /* Per-surface alpha blits */ |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2225 switch (df->BytesPerPixel) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2226 case 1: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2227 return BlitNto1SurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2228 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2229 case 2: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2230 if (surface->map->identity) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2231 if (df->Gmask == 0x7e0) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2232 #ifdef __MMX__ |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2233 if (SDL_HasMMX()) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2234 return Blit565to565SurfaceAlphaMMX; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2235 else |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2236 #endif |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2237 return Blit565to565SurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2238 } else if (df->Gmask == 0x3e0) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2239 #ifdef __MMX__ |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2240 if (SDL_HasMMX()) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2241 return Blit555to555SurfaceAlphaMMX; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2242 else |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2243 #endif |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2244 return Blit555to555SurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2245 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2246 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2247 return BlitNtoNSurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2248 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2249 case 4: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2250 if (sf->Rmask == df->Rmask |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2251 && sf->Gmask == df->Gmask |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2252 && sf->Bmask == df->Bmask && sf->BytesPerPixel == 4) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2253 #ifdef __MMX__ |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2254 if (sf->Rshift % 8 == 0 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2255 && sf->Gshift % 8 == 0 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2256 && sf->Bshift % 8 == 0 && SDL_HasMMX()) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2257 return BlitRGBtoRGBSurfaceAlphaMMX; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2258 #endif |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2259 if ((sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2260 #if SDL_ALTIVEC_BLITTERS |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2261 if (SDL_HasAltiVec()) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2262 return BlitRGBtoRGBSurfaceAlphaAltivec; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2263 #endif |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2264 return BlitRGBtoRGBSurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2265 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2266 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2267 #if SDL_ALTIVEC_BLITTERS |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2268 if ((sf->BytesPerPixel == 4) && SDL_HasAltiVec()) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2269 return Blit32to32SurfaceAlphaAltivec; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2270 else |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2271 #endif |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2272 return BlitNtoNSurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2273 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2274 case 3: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2275 default: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2276 return BlitNtoNSurfaceAlpha; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2277 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2278 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2279 break; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2280 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2281 case SDL_COPY_COLORKEY | SDL_COPY_MODULATE_ALPHA | SDL_COPY_BLEND: |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2282 if (sf->Amask == 0) { |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2283 if (df->BytesPerPixel == 1) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2284 return BlitNto1SurfaceAlphaKey; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2285 else |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2286 #if SDL_ALTIVEC_BLITTERS |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2287 if (sf->BytesPerPixel == 4 && df->BytesPerPixel == 4 && |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2288 SDL_HasAltiVec()) |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2289 return Blit32to32SurfaceAlphaKeyAltivec; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2290 else |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2291 #endif |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2292 return BlitNtoNSurfaceAlphaKey; |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2293 } |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2294 break; |
0 | 2295 } |
2267
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2296 |
c785543d1843
Okay, still some bugs, but everything builds again...
Sam Lantinga <slouken@libsdl.org>
parents:
2262
diff
changeset
|
2297 return NULL; |
0 | 2298 } |
2299 | |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1795
diff
changeset
|
2300 /* vi: set ts=4 sw=4 expandtab: */ |