Mercurial > sdl-ios-xcode
annotate src/video/SDL_blit_A.c @ 739:22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 18 Nov 2003 01:27:06 +0000 |
parents | f90d80d68071 |
children | b8d311d90021 |
rev | line source |
---|---|
0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
6 modify it under the terms of the GNU Library General Public | |
7 License as published by the Free Software Foundation; either | |
8 version 2 of the License, or (at your option) any later version. | |
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 | |
13 Library General Public License for more details. | |
14 | |
15 You should have received a copy of the GNU Library General Public | |
16 License along with this library; if not, write to the Free | |
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | |
19 Sam Lantinga | |
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
1
diff
changeset
|
20 slouken@libsdl.org |
0 | 21 */ |
22 | |
23 #ifdef SAVE_RCSID | |
24 static char rcsid = | |
25 "@(#) $Id$"; | |
26 #endif | |
27 | |
28 #include <stdio.h> | |
29 | |
30 #include "SDL_types.h" | |
31 #include "SDL_video.h" | |
32 #include "SDL_blit.h" | |
33 | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
34 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
35 /* Function to check the CPU flags */ |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
36 #include "SDL_cpuinfo.h" |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
37 #include "mmx.h" |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
38 #endif |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
39 |
0 | 40 /* Functions to perform alpha blended blitting */ |
41 | |
42 /* N->1 blending with per-surface alpha */ | |
43 static void BlitNto1SurfaceAlpha(SDL_BlitInfo *info) | |
44 { | |
45 int width = info->d_width; | |
46 int height = info->d_height; | |
47 Uint8 *src = info->s_pixels; | |
48 int srcskip = info->s_skip; | |
49 Uint8 *dst = info->d_pixels; | |
50 int dstskip = info->d_skip; | |
51 Uint8 *palmap = info->table; | |
52 SDL_PixelFormat *srcfmt = info->src; | |
53 SDL_PixelFormat *dstfmt = info->dst; | |
54 int srcbpp = srcfmt->BytesPerPixel; | |
55 | |
56 const unsigned A = srcfmt->alpha; | |
57 | |
58 while ( height-- ) { | |
59 DUFFS_LOOP4( | |
60 { | |
61 Uint32 pixel; | |
62 unsigned sR; | |
63 unsigned sG; | |
64 unsigned sB; | |
65 unsigned dR; | |
66 unsigned dG; | |
67 unsigned dB; | |
68 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, sR, sG, sB); | |
69 dR = dstfmt->palette->colors[*dst].r; | |
70 dG = dstfmt->palette->colors[*dst].g; | |
71 dB = dstfmt->palette->colors[*dst].b; | |
72 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
73 dR &= 0xff; | |
74 dG &= 0xff; | |
75 dB &= 0xff; | |
76 /* Pack RGB into 8bit pixel */ | |
77 if ( palmap == NULL ) { | |
78 *dst =((dR>>5)<<(3+2))| | |
79 ((dG>>5)<<(2))| | |
80 ((dB>>6)<<(0)); | |
81 } else { | |
82 *dst = palmap[((dR>>5)<<(3+2))| | |
83 ((dG>>5)<<(2)) | | |
84 ((dB>>6)<<(0))]; | |
85 } | |
86 dst++; | |
87 src += srcbpp; | |
88 }, | |
89 width); | |
90 src += srcskip; | |
91 dst += dstskip; | |
92 } | |
93 } | |
94 | |
95 /* N->1 blending with pixel alpha */ | |
96 static void BlitNto1PixelAlpha(SDL_BlitInfo *info) | |
97 { | |
98 int width = info->d_width; | |
99 int height = info->d_height; | |
100 Uint8 *src = info->s_pixels; | |
101 int srcskip = info->s_skip; | |
102 Uint8 *dst = info->d_pixels; | |
103 int dstskip = info->d_skip; | |
104 Uint8 *palmap = info->table; | |
105 SDL_PixelFormat *srcfmt = info->src; | |
106 SDL_PixelFormat *dstfmt = info->dst; | |
107 int srcbpp = srcfmt->BytesPerPixel; | |
108 | |
109 /* FIXME: fix alpha bit field expansion here too? */ | |
110 while ( height-- ) { | |
111 DUFFS_LOOP4( | |
112 { | |
113 Uint32 pixel; | |
114 unsigned sR; | |
115 unsigned sG; | |
116 unsigned sB; | |
117 unsigned sA; | |
118 unsigned dR; | |
119 unsigned dG; | |
120 unsigned dB; | |
121 DISEMBLE_RGBA(src,srcbpp,srcfmt,pixel,sR,sG,sB,sA); | |
122 dR = dstfmt->palette->colors[*dst].r; | |
123 dG = dstfmt->palette->colors[*dst].g; | |
124 dB = dstfmt->palette->colors[*dst].b; | |
125 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
126 dR &= 0xff; | |
127 dG &= 0xff; | |
128 dB &= 0xff; | |
129 /* Pack RGB into 8bit pixel */ | |
130 if ( palmap == NULL ) { | |
131 *dst =((dR>>5)<<(3+2))| | |
132 ((dG>>5)<<(2))| | |
133 ((dB>>6)<<(0)); | |
134 } else { | |
135 *dst = palmap[((dR>>5)<<(3+2))| | |
136 ((dG>>5)<<(2)) | | |
137 ((dB>>6)<<(0)) ]; | |
138 } | |
139 dst++; | |
140 src += srcbpp; | |
141 }, | |
142 width); | |
143 src += srcskip; | |
144 dst += dstskip; | |
145 } | |
146 } | |
147 | |
148 /* colorkeyed N->1 blending with per-surface alpha */ | |
149 static void BlitNto1SurfaceAlphaKey(SDL_BlitInfo *info) | |
150 { | |
151 int width = info->d_width; | |
152 int height = info->d_height; | |
153 Uint8 *src = info->s_pixels; | |
154 int srcskip = info->s_skip; | |
155 Uint8 *dst = info->d_pixels; | |
156 int dstskip = info->d_skip; | |
157 Uint8 *palmap = info->table; | |
158 SDL_PixelFormat *srcfmt = info->src; | |
159 SDL_PixelFormat *dstfmt = info->dst; | |
160 int srcbpp = srcfmt->BytesPerPixel; | |
161 Uint32 ckey = srcfmt->colorkey; | |
162 | |
163 const int A = srcfmt->alpha; | |
164 | |
165 while ( height-- ) { | |
166 DUFFS_LOOP( | |
167 { | |
168 Uint32 pixel; | |
169 unsigned sR; | |
170 unsigned sG; | |
171 unsigned sB; | |
172 unsigned dR; | |
173 unsigned dG; | |
174 unsigned dB; | |
175 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, sR, sG, sB); | |
176 if ( pixel != ckey ) { | |
177 dR = dstfmt->palette->colors[*dst].r; | |
178 dG = dstfmt->palette->colors[*dst].g; | |
179 dB = dstfmt->palette->colors[*dst].b; | |
180 ALPHA_BLEND(sR, sG, sB, A, dR, dG, dB); | |
181 dR &= 0xff; | |
182 dG &= 0xff; | |
183 dB &= 0xff; | |
184 /* Pack RGB into 8bit pixel */ | |
185 if ( palmap == NULL ) { | |
186 *dst =((dR>>5)<<(3+2))| | |
187 ((dG>>5)<<(2)) | | |
188 ((dB>>6)<<(0)); | |
189 } else { | |
190 *dst = palmap[((dR>>5)<<(3+2))| | |
191 ((dG>>5)<<(2)) | | |
192 ((dB>>6)<<(0)) ]; | |
193 } | |
194 } | |
195 dst++; | |
196 src += srcbpp; | |
197 }, | |
198 width); | |
199 src += srcskip; | |
200 dst += dstskip; | |
201 } | |
202 } | |
203 | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
204 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
205 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
206 static void BlitRGBtoRGBSurfaceAlpha128MMX(SDL_BlitInfo *info) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
207 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
208 int width = info->d_width; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
209 int height = info->d_height; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
210 Uint32 *srcp = (Uint32 *)info->s_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
211 int srcskip = info->s_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
212 Uint32 *dstp = (Uint32 *)info->d_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
213 int dstskip = info->d_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
214 Uint8 load[8]; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
215 |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
216 *(Uint64 *)load = 0x00fefefe00fefefeULL;/* alpha128 mask */ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
217 movq_m2r(*load, mm4); /* alpha128 mask -> mm4 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
218 *(Uint64 *)load = 0x0001010100010101ULL;/* !alpha128 mask */ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
219 movq_m2r(*load, mm3); /* !alpha128 mask -> mm3 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
220 *(Uint64 *)load = 0xFF000000FF000000ULL;/* dst alpha mask */ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
221 movq_m2r(*load, mm7); /* dst alpha mask -> mm7 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
222 while(height--) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
223 DUFFS_LOOP_DOUBLE2( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
224 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
225 Uint32 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
226 Uint32 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
227 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
228 + (s & d & 0x00010101)) | 0xff000000; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
229 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
230 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
231 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
232 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
233 movq_m2r((*srcp), mm1);/* 2 x src -> mm1(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
234 movq_r2r(mm1, mm5); /* 2 x src -> mm5(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
235 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
236 pand_r2r(mm4, mm6); /* dst & mask -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
237 pand_r2r(mm4, mm5); /* src & mask -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
238 paddd_r2r(mm6, mm5); /* mm6 + mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
239 psrld_i2r(1, mm5); /* mm5 >> 1 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
240 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
241 pand_r2r(mm1, mm2); /* src & dst -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
242 pand_r2r(mm3, mm2); /* mm2 & !mask -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
243 paddd_r2r(mm5, mm2); /* mm5 + mm2 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
244 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
245 movq_r2m(mm2, (*dstp));/* mm2 -> 2 x dst pixels */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
246 dstp += 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
247 srcp += 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
248 }, width); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
249 srcp += srcskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
250 dstp += dstskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
251 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
252 emms(); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
253 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
254 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
255 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
256 static void BlitRGBtoRGBSurfaceAlphaMMX(SDL_BlitInfo *info) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
257 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
258 unsigned alpha = info->src->alpha; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
259 if(alpha == 128) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
260 BlitRGBtoRGBSurfaceAlpha128MMX(info); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
261 } else { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
262 int width = info->d_width; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
263 int height = info->d_height; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
264 Uint32 *srcp = (Uint32 *)info->s_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
265 int srcskip = info->s_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
266 Uint32 *dstp = (Uint32 *)info->d_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
267 int dstskip = info->d_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
268 Uint8 load[8] = {alpha, alpha, alpha, alpha, |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
269 alpha, alpha, alpha, alpha}; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
270 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
271 movq_m2r(*load, mm4); /* alpha -> mm4 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
272 *(Uint64 *)load = 0x00FF00FF00FF00FFULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
273 movq_m2r(*load, mm3); /* mask -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
274 pand_r2r(mm3, mm4); /* mm4 & mask -> 0A0A0A0A -> mm4 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
275 *(Uint64 *)load = 0xFF000000FF000000ULL;/* dst alpha mask */ |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
276 movq_m2r(*load, mm7); /* dst alpha mask -> mm7 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
277 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
278 while(height--) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
279 DUFFS_LOOP_DOUBLE2({ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
280 /* One Pixel Blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
281 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
282 punpcklbw_r2r(mm1, mm1); /* AARRGGBB -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
283 pand_r2r(mm3, mm1); /* 0A0R0G0B -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
284 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
285 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
286 movq_r2r(mm2, mm6);/* dst(ARGB) -> mm6 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
287 punpcklbw_r2r(mm2, mm2); /* AARRGGBB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
288 pand_r2r(mm3, mm2); /* 0A0R0G0B -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
289 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
290 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
291 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
292 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
293 paddw_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
294 pand_r2r(mm3, mm2); /* 0A0R0G0B -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
295 packuswb_r2r(mm2, mm2); /* ARGBARGB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
296 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
297 movd_r2m(mm2, *dstp);/* mm2 -> pixel */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
298 ++srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
299 ++dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
300 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
301 /* Two Pixels Blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
302 movq_m2r((*srcp), mm0);/* 2 x src -> mm0(ARGBARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
303 movq_r2r(mm0, mm1); /* 2 x src -> mm1(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
304 punpcklbw_r2r(mm0, mm0); /* low - AARRGGBB -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
305 pand_r2r(mm3, mm0); /* 0A0R0G0B -> mm0(src1) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
306 punpckhbw_r2r(mm1, mm1); /* high - AARRGGBB -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
307 pand_r2r(mm3, mm1); /* 0A0R0G0B -> mm1(src2) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
308 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
309 movq_m2r((*dstp), mm2);/* 2 x dst -> mm2(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
310 movq_r2r(mm2, mm5); /* 2 x dst -> mm5(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
311 movq_r2r(mm2, mm6); /* 2 x dst -> mm6(ARGBARGB) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
312 punpcklbw_r2r(mm2, mm2); /* low - AARRGGBB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
313 punpckhbw_r2r(mm6, mm6); /* high - AARRGGBB -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
314 pand_r2r(mm3, mm2); /* 0A0R0G0B -> mm2(dst1) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
315 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
316 psubw_r2r(mm2, mm0);/* src1 - dst1 -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
317 pmullw_r2r(mm4, mm0); /* mm0 * alpha -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
318 pand_r2r(mm3, mm6); /* 0A0R0G0B -> mm6(dst2) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
319 psrlw_i2r(8, mm0); /* mm0 >> 8 -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
320 psubw_r2r(mm6, mm1);/* src2 - dst2 -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
321 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
322 paddw_r2r(mm0, mm2); /* mm0 + mm2(dst1) -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
323 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
324 pand_r2r(mm3, mm2); /* 0A0R0G0B -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
325 paddw_r2r(mm1, mm6); /* mm1 + mm6(dst2) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
326 pand_r2r(mm3, mm6); /* 0A0R0G0B -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
327 packuswb_r2r(mm2, mm2); /* ARGBARGB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
328 packuswb_r2r(mm6, mm6); /* ARGBARGB -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
329 psrlq_i2r(32, mm2); /* mm2 >> 32 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
330 psllq_i2r(32, mm6); /* mm6 << 32 -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
331 por_r2r(mm6, mm2); /* mm6 | mm2 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
332 por_r2r(mm7, mm2); /* mm7(full alpha) | mm2 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
333 movq_r2m(mm2, *dstp);/* mm2 -> 2 x pixel */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
334 srcp += 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
335 dstp += 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
336 }, width); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
337 srcp += srcskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
338 dstp += dstskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
339 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
340 emms(); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
341 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
342 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
343 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
344 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
345 static void BlitRGBtoRGBPixelAlphaMMX(SDL_BlitInfo *info) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
346 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
347 int width = info->d_width; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
348 int height = info->d_height; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
349 Uint32 *srcp = (Uint32 *)info->s_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
350 int srcskip = info->s_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
351 Uint32 *dstp = (Uint32 *)info->d_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
352 int dstskip = info->d_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
353 Uint32 alpha = 0; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
354 Uint8 load[8]; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
355 |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
356 *(Uint64 *)load = 0x00FF00FF00FF00FFULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
357 movq_m2r(*load, mm3); /* mask -> mm2 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
358 *(Uint64 *)load = 0x00FF000000000000ULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
359 movq_m2r(*load, mm7); /* dst alpha mask -> mm2 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
360 *(Uint64 *)load = 0x00FFFFFF00FFFFFFULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
361 movq_m2r(*load, mm0); /* alpha 255 mask -> mm0 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
362 *(Uint64 *)load = 0xFF000000FF000000ULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
363 movq_m2r(*load, mm6); /* alpha 255 !mask -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
364 while(height--) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
365 DUFFS_LOOP4({ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
366 alpha = *srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
367 alpha >>= 24; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
368 /* FIXME: Here we special-case opaque alpha since the |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
369 compositioning used (>>8 instead of /255) doesn't handle |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
370 it correctly. Also special-case alpha=0 for speed? |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
371 Benchmark this! */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
372 if(alpha) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
373 if(alpha == SDL_ALPHA_OPAQUE) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
374 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
375 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
376 pand_r2r(mm0, mm1); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
377 pand_r2r(mm6, mm2); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
378 por_r2r(mm1, mm2); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
379 movd_r2m(mm2, (*dstp)); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
380 } else { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
381 movd_m2r((*srcp), mm1);/* src(ARGB) -> mm1 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
382 punpcklbw_r2r(mm1, mm1); /* AARRGGBB -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
383 pand_r2r(mm3, mm1); /* 0A0R0G0B -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
384 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
385 movd_m2r((*dstp), mm2);/* dst(ARGB) -> mm2 (0000ARGB)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
386 punpcklbw_r2r(mm2, mm2); /* AARRGGBB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
387 pand_r2r(mm3, mm2); /* 0A0R0G0B -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
388 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
389 movq_r2r(mm2, mm5);/* mm2(0A0R0G0B) -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
390 pand_r2r(mm7, mm5); /* mm5 & dst alpha mask -> mm5(0A000000) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
391 psrlq_i2r(24, mm5); /* mm5 >> 24 -> mm5 (0000A000)*/ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
392 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
393 movq_r2r(mm1, mm4);/* mm1(0A0R0G0B) -> mm4 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
394 psrlq_i2r(48, mm4); /* mm4 >> 48 -> mm4(0000000A) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
395 punpcklwd_r2r(mm4, mm4); /* 00000A0A -> mm4 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
396 punpcklwd_r2r(mm4, mm4); /* 0A0A0A0A -> mm4 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
397 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
398 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
399 psubw_r2r(mm2, mm1);/* src - dst -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
400 pmullw_r2r(mm4, mm1); /* mm1 * alpha -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
401 psrlw_i2r(8, mm1); /* mm1 >> 8 -> mm1 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
402 paddw_r2r(mm1, mm2); /* mm1 + mm2(dst) -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
403 pand_r2r(mm3, mm2); /* 0A0R0G0B -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
404 packuswb_r2r(mm2, mm2); /* ARGBARGB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
405 pand_r2r(mm0, mm2); /* 0RGB0RGB -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
406 por_r2r(mm5, mm2); /* dst alpha | mm2 -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
407 movd_r2m(mm2, *dstp);/* mm2 -> dst */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
408 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
409 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
410 ++srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
411 ++dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
412 }, width); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
413 srcp += srcskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
414 dstp += dstskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
415 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
416 emms(); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
417 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
418 #endif |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
419 |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
420 /* fast RGB888->(A)RGB888 blending with surface alpha=128 special case */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
421 static void BlitRGBtoRGBSurfaceAlpha128(SDL_BlitInfo *info) |
0 | 422 { |
423 int width = info->d_width; | |
424 int height = info->d_height; | |
425 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
426 int srcskip = info->s_skip >> 2; | |
427 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
428 int dstskip = info->d_skip >> 2; | |
429 | |
430 while(height--) { | |
431 DUFFS_LOOP4({ | |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
432 Uint32 s = *srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
433 Uint32 d = *dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
434 *dstp++ = ((((s & 0x00fefefe) + (d & 0x00fefefe)) >> 1) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
435 + (s & d & 0x00010101)) | 0xff000000; |
0 | 436 }, width); |
437 srcp += srcskip; | |
438 dstp += dstskip; | |
439 } | |
440 } | |
441 | |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
442 /* fast RGB888->(A)RGB888 blending with surface alpha */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
443 static void BlitRGBtoRGBSurfaceAlpha(SDL_BlitInfo *info) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
444 { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
445 unsigned alpha = info->src->alpha; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
446 if(alpha == 128) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
447 BlitRGBtoRGBSurfaceAlpha128(info); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
448 } else { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
449 int width = info->d_width; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
450 int height = info->d_height; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
451 Uint32 *srcp = (Uint32 *)info->s_pixels; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
452 int srcskip = info->s_skip >> 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
453 Uint32 *dstp = (Uint32 *)info->d_pixels; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
454 int dstskip = info->d_skip >> 2; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
455 Uint32 s; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
456 Uint32 d; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
457 Uint32 s1; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
458 Uint32 d1; |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
459 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
460 while(height--) { |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
461 DUFFS_LOOP_DOUBLE2({ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
462 /* One Pixel Blend */ |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
463 s = *srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
464 d = *dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
465 s1 = s & 0xff00ff; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
466 d1 = d & 0xff00ff; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
467 d1 = (d1 + ((s1 - d1) * alpha >> 8)) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
468 & 0xff00ff; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
469 s &= 0xff00; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
470 d &= 0xff00; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
471 d = (d + ((s - d) * alpha >> 8)) & 0xff00; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
472 *dstp = d1 | d | 0xff000000; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
473 ++srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
474 ++dstp; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
475 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
476 /* Two Pixels Blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
477 s = *srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
478 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
479 s1 = s & 0xff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
480 d1 = d & 0xff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
481 d1 += (s1 - d1) * alpha >> 8; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
482 d1 &= 0xff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
483 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
484 s = ((s & 0xff00) >> 8) | |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
485 ((srcp[1] & 0xff00) << 8); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
486 d = ((d & 0xff00) >> 8) | |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
487 ((dstp[1] & 0xff00) << 8); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
488 d += (s - d) * alpha >> 8; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
489 d &= 0x00ff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
490 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
491 *dstp++ = d1 | ((d << 8) & 0xff00) | 0xff000000; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
492 ++srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
493 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
494 s1 = *srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
495 d1 = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
496 s1 &= 0xff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
497 d1 &= 0xff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
498 d1 += (s1 - d1) * alpha >> 8; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
499 d1 &= 0xff00ff; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
500 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
501 *dstp = d1 | ((d >> 8) & 0xff00) | 0xff000000; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
502 ++srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
503 ++dstp; |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
504 }, width); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
505 srcp += srcskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
506 dstp += dstskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
507 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
508 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
509 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
510 |
0 | 511 /* fast ARGB888->(A)RGB888 blending with pixel alpha */ |
512 static void BlitRGBtoRGBPixelAlpha(SDL_BlitInfo *info) | |
513 { | |
514 int width = info->d_width; | |
515 int height = info->d_height; | |
516 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
517 int srcskip = info->s_skip >> 2; | |
518 Uint32 *dstp = (Uint32 *)info->d_pixels; | |
519 int dstskip = info->d_skip >> 2; | |
520 | |
521 while(height--) { | |
522 DUFFS_LOOP4({ | |
523 Uint32 dalpha; | |
524 Uint32 d; | |
525 Uint32 s1; | |
526 Uint32 d1; | |
527 Uint32 s = *srcp; | |
528 Uint32 alpha = s >> 24; | |
529 /* FIXME: Here we special-case opaque alpha since the | |
530 compositioning used (>>8 instead of /255) doesn't handle | |
531 it correctly. Also special-case alpha=0 for speed? | |
532 Benchmark this! */ | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
533 if(alpha) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
534 if(alpha == SDL_ALPHA_OPAQUE) { |
0 | 535 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
536 } else { |
0 | 537 /* |
538 * take out the middle component (green), and process | |
539 * the other two in parallel. One multiply less. | |
540 */ | |
541 d = *dstp; | |
542 dalpha = d & 0xff000000; | |
543 s1 = s & 0xff00ff; | |
544 d1 = d & 0xff00ff; | |
545 d1 = (d1 + ((s1 - d1) * alpha >> 8)) & 0xff00ff; | |
546 s &= 0xff00; | |
547 d &= 0xff00; | |
548 d = (d + ((s - d) * alpha >> 8)) & 0xff00; | |
549 *dstp = d1 | d | dalpha; | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
550 } |
0 | 551 } |
552 ++srcp; | |
553 ++dstp; | |
554 }, width); | |
555 srcp += srcskip; | |
556 dstp += dstskip; | |
557 } | |
558 } | |
559 | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
560 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
561 /* fast (as in MMX with prefetch) ARGB888->(A)RGB888 blending with pixel alpha */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
562 inline static void BlitRGBtoRGBPixelAlphaMMX3DNOW(SDL_BlitInfo *info) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
563 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
564 int width = info->d_width; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
565 int height = info->d_height; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
566 Uint32 *srcp = (Uint32 *)info->s_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
567 int srcskip = info->s_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
568 Uint32 *dstp = (Uint32 *)info->d_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
569 int dstskip = info->d_skip >> 2; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
570 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
571 Uint32 s; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
572 Uint32 alpha; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
573 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
574 __asm__ ( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
575 /* make mm6 all zeros. */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
576 "pxor %%mm6, %%mm6\n" |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
577 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
578 /* Make a mask to preserve the alpha. */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
579 "pcmpeqb %%mm7, %%mm7\n\t" /* mm7(s) = FF FF FF FF | FF FF FF FF */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
580 "psrlq $16, %%mm7\n\t" /* mm7(s) = 00 00 FF FF | FF FF FF FF */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
581 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
582 : ); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
583 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
584 while(height--) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
585 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
586 DUFFS_LOOP4({ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
587 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
588 __asm__ ( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
589 "prefetch 64(%0)\n" |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
590 "prefetch 64(%1)\n" |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
591 : : "r" (srcp), "r" (dstp) ); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
592 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
593 s = *srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
594 alpha = s >> 24; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
595 /* FIXME: Here we special-case opaque alpha since the |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
596 compositioning used (>>8 instead of /255) doesn't handle |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
597 it correctly. Also special-case alpha=0 for speed? |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
598 Benchmark this! */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
599 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
600 if(alpha == SDL_ALPHA_OPAQUE) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
601 *dstp = (s & 0x00ffffff) | (*dstp & 0xff000000); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
602 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
603 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
604 else { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
605 __asm__ ( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
606 /* load in the source, and dst. */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
607 "movd (%0), %%mm0\n" /* mm0(s) = 0 0 0 0 | As Rs Gs Bs */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
608 "movd (%1), %%mm1\n" /* mm1(d) = 0 0 0 0 | Ad Rd Gd Bd */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
609 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
610 /* Move the src alpha into mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
611 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
612 /* if supporting pshufw */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
613 /*"pshufw $0x55, %%mm0, %%mm2\n" */ /* mm2 = 0 As 0 As | 0 As 0 As */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
614 /*"psrlw $8, %%mm2\n" */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
615 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
616 /* else: */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
617 "movq %%mm0, %%mm2\n" |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
618 "psrld $24, %%mm2\n" /* mm2 = 0 0 0 0 | 0 0 0 As */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
619 "punpcklwd %%mm2, %%mm2\n" /* mm2 = 0 0 0 0 | 0 As 0 As */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
620 "punpckldq %%mm2, %%mm2\n" /* mm2 = 0 As 0 As | 0 As 0 As */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
621 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
622 /* move the colors into words. */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
623 "punpcklbw %%mm6, %%mm0\n" /* mm0 = 0 As 0 Rs | 0 Gs 0 Bs */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
624 "punpcklbw %%mm6, %%mm1\n" /* mm0 = 0 Ad 0 Rd | 0 Gd 0 Bd */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
625 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
626 /* src - dst */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
627 "psubw %%mm1, %%mm0\n" /* mm0 = As-Ad Rs-Rd | Gs-Gd Bs-Bd */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
628 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
629 /* A * (src-dst) */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
630 "pmullw %%mm2, %%mm0\n" /* mm0 = As*As-d As*Rs-d | As*Gs-d As*Bs-d */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
631 "pand %%mm7, %%mm0\n" /* to preserve dest alpha */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
632 "psrlw $8, %%mm0\n" /* mm0 = Ac>>8 Rc>>8 | Gc>>8 Bc>>8 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
633 "paddb %%mm1, %%mm0\n" /* mm0 = Ac+Ad Rc+Rd | Gc+Gd Bc+Bd */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
634 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
635 "packuswb %%mm0, %%mm0\n" /* mm0 = | Ac Rc Gc Bc */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
636 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
637 "movd %%mm0, (%1)\n" /* result in mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
638 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
639 : : "r" (srcp), "r" (dstp) ); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
640 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
641 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
642 ++srcp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
643 ++dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
644 }, width); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
645 srcp += srcskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
646 dstp += dstskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
647 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
648 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
649 __asm__ ( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
650 "emms\n" |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
651 : ); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
652 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
653 #endif |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
654 |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
655 /* 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
|
656 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
657 /* 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
|
658 #define BLEND16_50(d, s, mask) \ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
659 ((((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
|
660 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
661 /* blend two 16 bit pixels at 50% */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
662 #define BLEND2x16_50(d, s, mask) \ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
663 (((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
|
664 + (s & d & (~(mask | mask << 16)))) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
665 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
666 static void Blit16to16SurfaceAlpha128(SDL_BlitInfo *info, Uint16 mask) |
0 | 667 { |
668 int width = info->d_width; | |
669 int height = info->d_height; | |
670 Uint16 *srcp = (Uint16 *)info->s_pixels; | |
671 int srcskip = info->s_skip >> 1; | |
672 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
673 int dstskip = info->d_skip >> 1; | |
674 | |
675 while(height--) { | |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
676 if(((unsigned long)srcp ^ (unsigned long)dstp) & 2) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
677 /* |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
678 * Source and destination not aligned, pipeline it. |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
679 * This is mostly a win for big blits but no loss for |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
680 * small ones |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
681 */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
682 Uint32 prev_sw; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
683 int w = width; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
684 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
685 /* handle odd destination */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
686 if((unsigned long)dstp & 2) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
687 Uint16 d = *dstp, s = *srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
688 *dstp = BLEND16_50(d, s, mask); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
689 dstp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
690 srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
691 w--; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
692 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
693 srcp++; /* srcp is now 32-bit aligned */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
694 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
695 /* bootstrap pipeline with first halfword */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
696 prev_sw = ((Uint32 *)srcp)[-1]; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
697 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
698 while(w > 1) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
699 Uint32 sw, dw, s; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
700 sw = *(Uint32 *)srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
701 dw = *(Uint32 *)dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
702 if(SDL_BYTEORDER == SDL_BIG_ENDIAN) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
703 s = (prev_sw << 16) + (sw >> 16); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
704 else |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
705 s = (prev_sw >> 16) + (sw << 16); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
706 prev_sw = sw; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
707 *(Uint32 *)dstp = BLEND2x16_50(dw, s, mask); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
708 dstp += 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
709 srcp += 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
710 w -= 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
711 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
712 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
713 /* final pixel if any */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
714 if(w) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
715 Uint16 d = *dstp, s; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
716 if(SDL_BYTEORDER == SDL_BIG_ENDIAN) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
717 s = prev_sw; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
718 else |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
719 s = prev_sw >> 16; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
720 *dstp = BLEND16_50(d, s, mask); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
721 srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
722 dstp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
723 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
724 srcp += srcskip - 1; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
725 dstp += dstskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
726 } else { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
727 /* source and destination are aligned */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
728 int w = width; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
729 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
730 /* first odd pixel? */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
731 if((unsigned long)srcp & 2) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
732 Uint16 d = *dstp, s = *srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
733 *dstp = BLEND16_50(d, s, mask); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
734 srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
735 dstp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
736 w--; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
737 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
738 /* srcp and dstp are now 32-bit aligned */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
739 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
740 while(w > 1) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
741 Uint32 sw = *(Uint32 *)srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
742 Uint32 dw = *(Uint32 *)dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
743 *(Uint32 *)dstp = BLEND2x16_50(dw, sw, mask); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
744 srcp += 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
745 dstp += 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
746 w -= 2; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
747 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
748 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
749 /* last odd pixel? */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
750 if(w) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
751 Uint16 d = *dstp, s = *srcp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
752 *dstp = BLEND16_50(d, s, mask); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
753 srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
754 dstp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
755 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
756 srcp += srcskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
757 dstp += dstskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
758 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
759 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
760 } |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
761 |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
762 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
763 /* fast RGB565->RGB565 blending with surface alpha */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
764 static void Blit565to565SurfaceAlphaMMX(SDL_BlitInfo *info) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
765 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
766 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
767 if(alpha == 128) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
768 Blit16to16SurfaceAlpha128(info, 0xf7de); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
769 } else { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
770 int width = info->d_width; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
771 int height = info->d_height; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
772 Uint16 *srcp = (Uint16 *)info->s_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
773 int srcskip = info->s_skip >> 1; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
774 Uint16 *dstp = (Uint16 *)info->d_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
775 int dstskip = info->d_skip >> 1; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
776 Uint32 s, d; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
777 Uint8 load[8]; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
778 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
779 alpha &= ~(1+2+4); /* cut alpha to get the exact same behaviour */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
780 *(Uint64 *)load = alpha; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
781 alpha >>= 3; /* downscale alpha to 5 bits */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
782 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
783 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
784 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
785 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
786 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
787 /* Setup the 565 color channel masks */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
788 *(Uint64 *)load = 0xF800F800F800F800ULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
789 movq_m2r(*load, mm1); /* MASKRED -> mm1 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
790 *(Uint64 *)load = 0x07E007E007E007E0ULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
791 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
792 *(Uint64 *)load = 0x001F001F001F001FULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
793 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
794 while(height--) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
795 DUFFS_LOOP_QUATRO2( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
796 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
797 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
798 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
799 /* |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
800 * shift out the middle component (green) to |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
801 * the high 16 bits, and process all three RGB |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
802 * components at the same time. |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
803 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
804 s = (s | s << 16) & 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
805 d = (d | d << 16) & 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
806 d += (s - d) * alpha >> 5; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
807 d &= 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
808 *dstp++ = d | d >> 16; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
809 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
810 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
811 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
812 /* |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
813 * shift out the middle component (green) to |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
814 * the high 16 bits, and process all three RGB |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
815 * components at the same time. |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
816 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
817 s = (s | s << 16) & 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
818 d = (d | d << 16) & 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
819 d += (s - d) * alpha >> 5; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
820 d &= 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
821 *dstp++ = d | d >> 16; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
822 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
823 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
824 /* |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
825 * shift out the middle component (green) to |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
826 * the high 16 bits, and process all three RGB |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
827 * components at the same time. |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
828 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
829 s = (s | s << 16) & 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
830 d = (d | d << 16) & 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
831 d += (s - d) * alpha >> 5; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
832 d &= 0x07e0f81f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
833 *dstp++ = d | d >> 16; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
834 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
835 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
836 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
837 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
838 /* RED */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
839 movq_r2r(mm2, mm5); /* src -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
840 pand_r2r(mm1 , mm5); /* src & MASKRED -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
841 psrlq_i2r(11, mm5); /* mm5 >> 11 -> mm5 [000r 000r 000r 000r] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
842 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
843 movq_r2r(mm3, mm6); /* dst -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
844 pand_r2r(mm1 , mm6); /* dst & MASKRED -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
845 psrlq_i2r(11, mm6); /* mm6 >> 11 -> mm6 [000r 000r 000r 000r] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
846 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
847 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
848 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
849 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
850 psrlw_i2r(8, mm5); /* mm5 >> 8 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
851 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
852 psllq_i2r(11, mm6); /* mm6 << 11 -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
853 pand_r2r(mm1, mm6); /* mm6 & MASKRED -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
854 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
855 movq_r2r(mm4, mm5); /* MASKGREEN -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
856 por_r2r(mm7, mm5); /* MASKBLUE | mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
857 pand_r2r(mm5, mm3); /* mm3 & mm5(!MASKRED) -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
858 por_r2r(mm6, mm3); /* save new reds in dsts */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
859 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
860 /* green */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
861 movq_r2r(mm2, mm5); /* src -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
862 pand_r2r(mm4 , mm5); /* src & MASKGREEN -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
863 psrlq_i2r(5, mm5); /* mm5 >> 5 -> mm5 [000g 000g 000g 000g] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
864 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
865 movq_r2r(mm3, mm6); /* dst -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
866 pand_r2r(mm4 , mm6); /* dst & MASKGREEN -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
867 psrlq_i2r(5, mm6); /* mm6 >> 5 -> mm6 [000g 000g 000g 000g] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
868 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
869 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
870 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
871 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
872 psrlw_i2r(8, mm5); /* mm5 >> 8 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
873 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
874 psllq_i2r(5, mm6); /* mm6 << 5 -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
875 pand_r2r(mm4, mm6); /* mm6 & MASKGREEN -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
876 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
877 movq_r2r(mm1, mm5); /* MASKRED -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
878 por_r2r(mm7, mm5); /* MASKBLUE | mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
879 pand_r2r(mm5, mm3); /* mm3 & mm5(!MASKGREEN) -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
880 por_r2r(mm6, mm3); /* save new greens in dsts */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
881 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
882 /* blue */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
883 movq_r2r(mm2, mm5); /* src -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
884 pand_r2r(mm7 , mm5); /* src & MASKRED -> mm5[000b 000b 000b 000b] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
885 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
886 movq_r2r(mm3, mm6); /* dst -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
887 pand_r2r(mm7 , mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
888 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
889 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
890 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
891 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
892 psrlw_i2r(8, mm5); /* mm5 >> 8 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
893 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
894 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
895 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
896 movq_r2r(mm1, mm5); /* MASKRED -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
897 por_r2r(mm4, mm5); /* MASKGREEN | mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
898 pand_r2r(mm5, mm3); /* mm3 & mm5(!MASKBLUE) -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
899 por_r2r(mm6, mm3); /* save new blues in dsts */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
900 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
901 movq_r2m(mm3, *dstp);/* mm3 -> 4 dst pixels */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
902 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
903 srcp += 4; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
904 dstp += 4; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
905 }, width); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
906 srcp += srcskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
907 dstp += dstskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
908 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
909 emms(); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
910 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
911 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
912 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
913 /* fast RGB555->RGB555 blending with surface alpha */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
914 static void Blit555to555SurfaceAlphaMMX(SDL_BlitInfo *info) |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
915 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
916 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
917 if(alpha == 128) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
918 Blit16to16SurfaceAlpha128(info, 0xfbde); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
919 } else { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
920 int width = info->d_width; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
921 int height = info->d_height; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
922 Uint16 *srcp = (Uint16 *)info->s_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
923 int srcskip = info->s_skip >> 1; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
924 Uint16 *dstp = (Uint16 *)info->d_pixels; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
925 int dstskip = info->d_skip >> 1; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
926 Uint32 s, d; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
927 Uint8 load[8]; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
928 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
929 alpha &= ~(1+2+4); /* cut alpha to get the exact same behaviour */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
930 *(Uint64 *)load = alpha; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
931 alpha >>= 3; /* downscale alpha to 5 bits */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
932 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
933 movq_m2r(*load, mm0); /* alpha(0000000A) -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
934 punpcklwd_r2r(mm0, mm0); /* 00000A0A -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
935 punpcklwd_r2r(mm0, mm0); /* 0A0A0A0A -> mm0 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
936 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
937 /* Setup the 555 color channel masks */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
938 *(Uint64 *)load = 0x7C007C007C007C00ULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
939 movq_m2r(*load, mm1); /* MASKRED -> mm1 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
940 *(Uint64 *)load = 0x03E003E003E003E0ULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
941 movq_m2r(*load, mm4); /* MASKGREEN -> mm4 */ |
720
f90d80d68071
N Sep 17 8791 Sam Lantinga Re: tks source released
Sam Lantinga <slouken@libsdl.org>
parents:
689
diff
changeset
|
942 *(Uint64 *)load = 0x001F001F001F001FULL; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
943 movq_m2r(*load, mm7); /* MASKBLUE -> mm7 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
944 while(height--) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
945 DUFFS_LOOP_QUATRO2( |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
946 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
947 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
948 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
949 /* |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
950 * shift out the middle component (green) to |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
951 * the high 16 bits, and process all three RGB |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
952 * components at the same time. |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
953 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
954 s = (s | s << 16) & 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
955 d = (d | d << 16) & 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
956 d += (s - d) * alpha >> 5; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
957 d &= 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
958 *dstp++ = d | d >> 16; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
959 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
960 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
961 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
962 /* |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
963 * shift out the middle component (green) to |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
964 * the high 16 bits, and process all three RGB |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
965 * components at the same time. |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
966 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
967 s = (s | s << 16) & 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
968 d = (d | d << 16) & 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
969 d += (s - d) * alpha >> 5; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
970 d &= 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
971 *dstp++ = d | d >> 16; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
972 s = *srcp++; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
973 d = *dstp; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
974 /* |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
975 * shift out the middle component (green) to |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
976 * the high 16 bits, and process all three RGB |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
977 * components at the same time. |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
978 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
979 s = (s | s << 16) & 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
980 d = (d | d << 16) & 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
981 d += (s - d) * alpha >> 5; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
982 d &= 0x03e07c1f; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
983 *dstp++ = d | d >> 16; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
984 },{ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
985 movq_m2r((*dstp), mm3);/* 4 dst pixels -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
986 movq_m2r((*srcp), mm2);/* 4 src pixels -> mm2 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
987 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
988 /* RED */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
989 movq_r2r(mm2, mm5); /* src -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
990 pand_r2r(mm1 , mm5); /* src & MASKRED -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
991 psrlq_i2r(10, mm5); /* mm5 >> 10 -> mm5 [000r 000r 000r 000r] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
992 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
993 movq_r2r(mm3, mm6); /* dst -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
994 pand_r2r(mm1 , mm6); /* dst & MASKRED -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
995 psrlq_i2r(10, mm6); /* mm6 >> 10 -> mm6 [000r 000r 000r 000r] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
996 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
997 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
998 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
999 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1000 psrlw_i2r(8, mm5); /* mm5 >> 8 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1001 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1002 psllq_i2r(10, mm6); /* mm6 << 10 -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1003 pand_r2r(mm1, mm6); /* mm6 & MASKRED -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1004 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1005 movq_r2r(mm4, mm5); /* MASKGREEN -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1006 por_r2r(mm7, mm5); /* MASKBLUE | mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1007 pand_r2r(mm5, mm3); /* mm3 & mm5(!MASKRED) -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1008 por_r2r(mm6, mm3); /* save new reds in dsts */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1009 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1010 /* green */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1011 movq_r2r(mm2, mm5); /* src -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1012 pand_r2r(mm4 , mm5); /* src & MASKGREEN -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1013 psrlq_i2r(5, mm5); /* mm5 >> 5 -> mm5 [000g 000g 000g 000g] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1014 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1015 movq_r2r(mm3, mm6); /* dst -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1016 pand_r2r(mm4 , mm6); /* dst & MASKGREEN -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1017 psrlq_i2r(5, mm6); /* mm6 >> 5 -> mm6 [000g 000g 000g 000g] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1018 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1019 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1020 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1021 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1022 psrlw_i2r(8, mm5); /* mm5 >> 8 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1023 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1024 psllq_i2r(5, mm6); /* mm6 << 5 -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1025 pand_r2r(mm4, mm6); /* mm6 & MASKGREEN -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1026 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1027 movq_r2r(mm1, mm5); /* MASKRED -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1028 por_r2r(mm7, mm5); /* MASKBLUE | mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1029 pand_r2r(mm5, mm3); /* mm3 & mm5(!MASKGREEN) -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1030 por_r2r(mm6, mm3); /* save new greens in dsts */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1031 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1032 /* blue */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1033 movq_r2r(mm2, mm5); /* src -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1034 pand_r2r(mm7 , mm5); /* src & MASKRED -> mm5[000b 000b 000b 000b] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1035 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1036 movq_r2r(mm3, mm6); /* dst -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1037 pand_r2r(mm7 , mm6); /* dst & MASKBLUE -> mm6[000b 000b 000b 000b] */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1038 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1039 /* blend */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1040 psubw_r2r(mm6, mm5);/* src - dst -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1041 pmullw_r2r(mm0, mm5); /* mm5 * alpha -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1042 psrlw_i2r(8, mm5); /* mm5 >> 8 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1043 paddw_r2r(mm5, mm6); /* mm5 + mm6(dst) -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1044 pand_r2r(mm7, mm6); /* mm6 & MASKBLUE -> mm6 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1045 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1046 movq_r2r(mm1, mm5); /* MASKRED -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1047 por_r2r(mm4, mm5); /* MASKGREEN | mm5 -> mm5 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1048 pand_r2r(mm5, mm3); /* mm3 & mm5(!MASKBLUE) -> mm3 */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1049 por_r2r(mm6, mm3); /* save new blues in dsts */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1050 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1051 movq_r2m(mm3, *dstp);/* mm3 -> 4 dst pixels */ |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1052 |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1053 srcp += 4; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1054 dstp += 4; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1055 }, width); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1056 srcp += srcskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1057 dstp += dstskip; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1058 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1059 emms(); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1060 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1061 } |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1062 #endif |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1063 |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1064 /* fast RGB565->RGB565 blending with surface alpha */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1065 static void Blit565to565SurfaceAlpha(SDL_BlitInfo *info) |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1066 { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1067 unsigned alpha = info->src->alpha; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1068 if(alpha == 128) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1069 Blit16to16SurfaceAlpha128(info, 0xf7de); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1070 } else { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1071 int width = info->d_width; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1072 int height = info->d_height; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1073 Uint16 *srcp = (Uint16 *)info->s_pixels; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1074 int srcskip = info->s_skip >> 1; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1075 Uint16 *dstp = (Uint16 *)info->d_pixels; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1076 int dstskip = info->d_skip >> 1; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1077 alpha >>= 3; /* downscale alpha to 5 bits */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1078 |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1079 while(height--) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1080 DUFFS_LOOP4({ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1081 Uint32 s = *srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1082 Uint32 d = *dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1083 /* |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1084 * shift out the middle component (green) to |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1085 * the high 16 bits, and process all three RGB |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1086 * components at the same time. |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1087 */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1088 s = (s | s << 16) & 0x07e0f81f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1089 d = (d | d << 16) & 0x07e0f81f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1090 d += (s - d) * alpha >> 5; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1091 d &= 0x07e0f81f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1092 *dstp++ = d | d >> 16; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1093 }, width); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1094 srcp += srcskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1095 dstp += dstskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1096 } |
0 | 1097 } |
1098 } | |
1099 | |
1100 /* fast RGB555->RGB555 blending with surface alpha */ | |
1101 static void Blit555to555SurfaceAlpha(SDL_BlitInfo *info) | |
1102 { | |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1103 unsigned alpha = info->src->alpha; /* downscale alpha to 5 bits */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1104 if(alpha == 128) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1105 Blit16to16SurfaceAlpha128(info, 0xfbde); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1106 } else { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1107 int width = info->d_width; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1108 int height = info->d_height; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1109 Uint16 *srcp = (Uint16 *)info->s_pixels; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1110 int srcskip = info->s_skip >> 1; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1111 Uint16 *dstp = (Uint16 *)info->d_pixels; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1112 int dstskip = info->d_skip >> 1; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1113 alpha >>= 3; /* downscale alpha to 5 bits */ |
0 | 1114 |
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1115 while(height--) { |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1116 DUFFS_LOOP4({ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1117 Uint32 s = *srcp++; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1118 Uint32 d = *dstp; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1119 /* |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1120 * shift out the middle component (green) to |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1121 * the high 16 bits, and process all three RGB |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1122 * components at the same time. |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1123 */ |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1124 s = (s | s << 16) & 0x03e07c1f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1125 d = (d | d << 16) & 0x03e07c1f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1126 d += (s - d) * alpha >> 5; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1127 d &= 0x03e07c1f; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1128 *dstp++ = d | d >> 16; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1129 }, width); |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1130 srcp += srcskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1131 dstp += dstskip; |
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
1132 } |
0 | 1133 } |
1134 } | |
1135 | |
1136 /* fast ARGB8888->RGB565 blending with pixel alpha */ | |
1137 static void BlitARGBto565PixelAlpha(SDL_BlitInfo *info) | |
1138 { | |
1139 int width = info->d_width; | |
1140 int height = info->d_height; | |
1141 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
1142 int srcskip = info->s_skip >> 2; | |
1143 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
1144 int dstskip = info->d_skip >> 1; | |
1145 | |
1146 while(height--) { | |
1147 DUFFS_LOOP4({ | |
1148 Uint32 s = *srcp; | |
1149 unsigned alpha = s >> 27; /* downscale alpha to 5 bits */ | |
1150 /* FIXME: Here we special-case opaque alpha since the | |
1151 compositioning used (>>8 instead of /255) doesn't handle | |
1152 it correctly. Also special-case alpha=0 for speed? | |
1153 Benchmark this! */ | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1154 if(alpha) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1155 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
0 | 1156 *dstp = (s >> 8 & 0xf800) + (s >> 5 & 0x7e0) |
1157 + (s >> 3 & 0x1f); | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1158 } else { |
0 | 1159 Uint32 d = *dstp; |
1160 /* | |
1161 * convert source and destination to G0RAB65565 | |
1162 * and blend all components at the same time | |
1163 */ | |
1164 s = ((s & 0xfc00) << 11) + (s >> 8 & 0xf800) | |
1165 + (s >> 3 & 0x1f); | |
1166 d = (d | d << 16) & 0x07e0f81f; | |
1167 d += (s - d) * alpha >> 5; | |
1168 d &= 0x07e0f81f; | |
1169 *dstp = d | d >> 16; | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1170 } |
0 | 1171 } |
1172 srcp++; | |
1173 dstp++; | |
1174 }, width); | |
1175 srcp += srcskip; | |
1176 dstp += dstskip; | |
1177 } | |
1178 } | |
1179 | |
1180 /* fast ARGB8888->RGB555 blending with pixel alpha */ | |
1181 static void BlitARGBto555PixelAlpha(SDL_BlitInfo *info) | |
1182 { | |
1183 int width = info->d_width; | |
1184 int height = info->d_height; | |
1185 Uint32 *srcp = (Uint32 *)info->s_pixels; | |
1186 int srcskip = info->s_skip >> 2; | |
1187 Uint16 *dstp = (Uint16 *)info->d_pixels; | |
1188 int dstskip = info->d_skip >> 1; | |
1189 | |
1190 while(height--) { | |
1191 DUFFS_LOOP4({ | |
1192 unsigned alpha; | |
1193 Uint32 s = *srcp; | |
1194 alpha = s >> 27; /* downscale alpha to 5 bits */ | |
1195 /* FIXME: Here we special-case opaque alpha since the | |
1196 compositioning used (>>8 instead of /255) doesn't handle | |
1197 it correctly. Also special-case alpha=0 for speed? | |
1198 Benchmark this! */ | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1199 if(alpha) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1200 if(alpha == (SDL_ALPHA_OPAQUE >> 3)) { |
0 | 1201 *dstp = (s >> 9 & 0x7c00) + (s >> 6 & 0x3e0) |
1202 + (s >> 3 & 0x1f); | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1203 } else { |
0 | 1204 Uint32 d = *dstp; |
1205 /* | |
1206 * convert source and destination to G0RAB65565 | |
1207 * and blend all components at the same time | |
1208 */ | |
1209 s = ((s & 0xf800) << 10) + (s >> 9 & 0x7c00) | |
1210 + (s >> 3 & 0x1f); | |
1211 d = (d | d << 16) & 0x03e07c1f; | |
1212 d += (s - d) * alpha >> 5; | |
1213 d &= 0x03e07c1f; | |
1214 *dstp = d | d >> 16; | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1215 } |
0 | 1216 } |
1217 srcp++; | |
1218 dstp++; | |
1219 }, width); | |
1220 srcp += srcskip; | |
1221 dstp += dstskip; | |
1222 } | |
1223 } | |
1224 | |
1225 /* General (slow) N->N blending with per-surface alpha */ | |
1226 static void BlitNtoNSurfaceAlpha(SDL_BlitInfo *info) | |
1227 { | |
1228 int width = info->d_width; | |
1229 int height = info->d_height; | |
1230 Uint8 *src = info->s_pixels; | |
1231 int srcskip = info->s_skip; | |
1232 Uint8 *dst = info->d_pixels; | |
1233 int dstskip = info->d_skip; | |
1234 SDL_PixelFormat *srcfmt = info->src; | |
1235 SDL_PixelFormat *dstfmt = info->dst; | |
1236 int srcbpp = srcfmt->BytesPerPixel; | |
1237 int dstbpp = dstfmt->BytesPerPixel; | |
1238 unsigned sA = srcfmt->alpha; | |
1239 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; | |
1240 | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1241 if(sA) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1242 while ( height-- ) { |
0 | 1243 DUFFS_LOOP4( |
1244 { | |
1245 Uint32 pixel; | |
1246 unsigned sR; | |
1247 unsigned sG; | |
1248 unsigned sB; | |
1249 unsigned dR; | |
1250 unsigned dG; | |
1251 unsigned dB; | |
1252 DISEMBLE_RGB(src, srcbpp, srcfmt, pixel, sR, sG, sB); | |
1253 DISEMBLE_RGB(dst, dstbpp, dstfmt, pixel, dR, dG, dB); | |
1254 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
1255 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
1256 src += srcbpp; | |
1257 dst += dstbpp; | |
1258 }, | |
1259 width); | |
1260 src += srcskip; | |
1261 dst += dstskip; | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1262 } |
0 | 1263 } |
1264 } | |
1265 | |
1266 /* General (slow) colorkeyed N->N blending with per-surface alpha */ | |
1267 static void BlitNtoNSurfaceAlphaKey(SDL_BlitInfo *info) | |
1268 { | |
1269 int width = info->d_width; | |
1270 int height = info->d_height; | |
1271 Uint8 *src = info->s_pixels; | |
1272 int srcskip = info->s_skip; | |
1273 Uint8 *dst = info->d_pixels; | |
1274 int dstskip = info->d_skip; | |
1275 SDL_PixelFormat *srcfmt = info->src; | |
1276 SDL_PixelFormat *dstfmt = info->dst; | |
1277 Uint32 ckey = srcfmt->colorkey; | |
1278 int srcbpp = srcfmt->BytesPerPixel; | |
1279 int dstbpp = dstfmt->BytesPerPixel; | |
1280 unsigned sA = srcfmt->alpha; | |
1281 unsigned dA = dstfmt->Amask ? SDL_ALPHA_OPAQUE : 0; | |
1282 | |
1283 while ( height-- ) { | |
1284 DUFFS_LOOP4( | |
1285 { | |
1286 Uint32 pixel; | |
1287 unsigned sR; | |
1288 unsigned sG; | |
1289 unsigned sB; | |
1290 unsigned dR; | |
1291 unsigned dG; | |
1292 unsigned dB; | |
1293 RETRIEVE_RGB_PIXEL(src, srcbpp, pixel); | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1294 if(sA && pixel != ckey) { |
0 | 1295 RGB_FROM_PIXEL(pixel, srcfmt, sR, sG, sB); |
1296 DISEMBLE_RGB(dst, dstbpp, dstfmt, pixel, dR, dG, dB); | |
1297 ALPHA_BLEND(sR, sG, sB, sA, dR, dG, dB); | |
1298 ASSEMBLE_RGBA(dst, dstbpp, dstfmt, dR, dG, dB, dA); | |
1299 } | |
1300 src += srcbpp; | |
1301 dst += dstbpp; | |
1302 }, | |
1303 width); | |
1304 src += srcskip; | |
1305 dst += dstskip; | |
1306 } | |
1307 } | |
1308 | |
1309 /* General (slow) N->N blending with pixel alpha */ | |
1310 static void BlitNtoNPixelAlpha(SDL_BlitInfo *info) | |
1311 { | |
1312 int width = info->d_width; | |
1313 int height = info->d_height; | |
1314 Uint8 *src = info->s_pixels; | |
1315 int srcskip = info->s_skip; | |
1316 Uint8 *dst = info->d_pixels; | |
1317 int dstskip = info->d_skip; | |
1318 SDL_PixelFormat *srcfmt = info->src; | |
1319 SDL_PixelFormat *dstfmt = info->dst; | |
1320 | |
1321 int srcbpp; | |
1322 int dstbpp; | |
1323 | |
1324 /* Set up some basic variables */ | |
1325 srcbpp = srcfmt->BytesPerPixel; | |
1326 dstbpp = dstfmt->BytesPerPixel; | |
1327 | |
1328 /* FIXME: for 8bpp source alpha, this doesn't get opaque values | |
1329 quite right. for <8bpp source alpha, it gets them very wrong | |
1330 (check all macros!) | |
1331 It is unclear whether there is a good general solution that doesn't | |
1332 need a branch (or a divide). */ | |
1333 while ( height-- ) { | |
1334 DUFFS_LOOP4( | |
1335 { | |
1336 Uint32 pixel; | |
1337 unsigned sR; | |
1338 unsigned sG; | |
1339 unsigned sB; | |
1340 unsigned dR; | |
1341 unsigned dG; | |
1342 unsigned dB; | |
1343 unsigned sA; | |
1344 unsigned dA; | |
1345 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
|
1346 if(sA) { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1347 DISEMBLE_RGBA(dst, dstbpp, dstfmt, pixel, dR, dG, dB, dA); |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1348 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
|
1349 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
|
1350 } |
0 | 1351 src += srcbpp; |
1352 dst += dstbpp; | |
1353 }, | |
1354 width); | |
1355 src += srcskip; | |
1356 dst += dstskip; | |
1357 } | |
1358 } | |
1359 | |
1360 | |
1361 SDL_loblit SDL_CalculateAlphaBlit(SDL_Surface *surface, int blit_index) | |
1362 { | |
1363 SDL_PixelFormat *sf = surface->format; | |
1364 SDL_PixelFormat *df = surface->map->dst->format; | |
1365 | |
1366 if(sf->Amask == 0) { | |
1367 if((surface->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY) { | |
1368 if(df->BytesPerPixel == 1) | |
1369 return BlitNto1SurfaceAlphaKey; | |
1370 else | |
1371 return BlitNtoNSurfaceAlphaKey; | |
1372 } else { | |
1373 /* Per-surface alpha blits */ | |
1374 switch(df->BytesPerPixel) { | |
1375 case 1: | |
1376 return BlitNto1SurfaceAlpha; | |
1377 | |
1378 case 2: | |
1379 if(surface->map->identity) { | |
1380 if(df->Gmask == 0x7e0) | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1381 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1382 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
1383 if(SDL_HasMMX()) |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1384 return Blit565to565SurfaceAlphaMMX; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1385 else |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1386 #endif |
0 | 1387 return Blit565to565SurfaceAlpha; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1388 } |
0 | 1389 else if(df->Gmask == 0x3e0) |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1390 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1391 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
1392 if(SDL_HasMMX()) |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1393 return Blit555to555SurfaceAlphaMMX; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1394 else |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1395 #endif |
0 | 1396 return Blit555to555SurfaceAlpha; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1397 } |
0 | 1398 } |
1399 return BlitNtoNSurfaceAlpha; | |
1400 | |
1401 case 4: | |
1402 if(sf->Rmask == df->Rmask | |
1403 && sf->Gmask == df->Gmask | |
1404 && sf->Bmask == df->Bmask | |
1405 && (sf->Rmask | sf->Gmask | sf->Bmask) == 0xffffff | |
1406 && sf->BytesPerPixel == 4) | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1407 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1408 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
1409 if(SDL_HasMMX()) |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1410 return BlitRGBtoRGBSurfaceAlphaMMX; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1411 else |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1412 #endif |
0 | 1413 return BlitRGBtoRGBSurfaceAlpha; |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1414 } |
0 | 1415 else |
1416 return BlitNtoNSurfaceAlpha; | |
1417 | |
1418 case 3: | |
1419 default: | |
1420 return BlitNtoNSurfaceAlpha; | |
1421 } | |
1422 } | |
1423 } else { | |
1424 /* Per-pixel alpha blits */ | |
1425 switch(df->BytesPerPixel) { | |
1426 case 1: | |
1427 return BlitNto1PixelAlpha; | |
1428 | |
1429 case 2: | |
1430 if(sf->BytesPerPixel == 4 && sf->Amask == 0xff000000 | |
1431 && sf->Gmask == 0xff00 | |
1432 && ((sf->Rmask == 0xff && df->Rmask == 0x1f) | |
1433 || (sf->Bmask == 0xff && df->Bmask == 0x1f))) { | |
1434 if(df->Gmask == 0x7e0) | |
1435 return BlitARGBto565PixelAlpha; | |
1436 else if(df->Gmask == 0x3e0) | |
1437 return BlitARGBto555PixelAlpha; | |
1438 } | |
1439 return BlitNtoNPixelAlpha; | |
1440 | |
1441 case 4: | |
1442 if(sf->Amask == 0xff000000 | |
1443 && sf->Rmask == df->Rmask | |
1444 && sf->Gmask == df->Gmask | |
1445 && sf->Bmask == df->Bmask | |
1446 && sf->BytesPerPixel == 4) | |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1447 { |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1448 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
1449 if(SDL_Has3DNow()) |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1450 return BlitRGBtoRGBPixelAlphaMMX3DNOW; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1451 else |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
720
diff
changeset
|
1452 if(SDL_HasMMX()) |
689
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1453 return BlitRGBtoRGBPixelAlphaMMX; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1454 else |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1455 #endif |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1456 return BlitRGBtoRGBPixelAlpha; |
5bb080d35049
Date: Tue, 19 Aug 2003 17:57:00 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1457 } |
0 | 1458 return BlitNtoNPixelAlpha; |
1459 | |
1460 case 3: | |
1461 default: | |
1462 return BlitNtoNPixelAlpha; | |
1463 } | |
1464 } | |
1465 } | |
1466 |