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annotate src/video/SDL_fillrect.c @ 3361:d559edc85610

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author Sam Lantinga <slouken@libsdl.org>
date Sat, 10 Oct 2009 06:51:42 +0000
parents 7e30c2dc7783
children 0267b8b1595c
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_video.h"
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25 #include "SDL_blit.h"
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26
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27
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28 #ifdef __SSE__
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29 /* *INDENT-OFF* */
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30
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31 #ifdef _MSC_VER
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32 #define SSE_BEGIN \
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33 __m128 c128; \
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34 c128.m128_u32[0] = color; \
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35 c128.m128_u32[1] = color; \
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36 c128.m128_u32[2] = color; \
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37 c128.m128_u32[3] = color;
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38 #else
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39 #define SSE_BEGIN \
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40 DECLARE_ALIGNED(Uint32, cccc[4], 16); \
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41 cccc[0] = color; \
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42 cccc[1] = color; \
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43 cccc[2] = color; \
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44 cccc[3] = color; \
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45 __m128 c128 = *(__m128 *)cccc;
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46 #endif
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47
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48 #define SSE_WORK \
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49 for (i = n / 64; i--;) { \
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50 _mm_stream_ps((float *)(p+0), c128); \
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51 _mm_stream_ps((float *)(p+16), c128); \
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52 _mm_stream_ps((float *)(p+32), c128); \
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53 _mm_stream_ps((float *)(p+48), c128); \
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54 p += 64; \
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55 }
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56
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57 #define SSE_END
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58
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59 #define DEFINE_SSE_FILLRECT(bpp, type) \
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60 static void \
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61 SDL_FillRect##bpp##SSE(Uint8 *pixels, int pitch, Uint32 color, int w, int h) \
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62 { \
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63 SSE_BEGIN; \
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64 \
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65 while (h--) { \
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66 int i, n = w * bpp; \
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67 Uint8 *p = pixels; \
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68 \
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69 if (n > 63) { \
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70 int adjust = 16 - ((uintptr_t)p & 15); \
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71 if (adjust < 16) { \
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72 n -= adjust; \
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73 adjust /= bpp; \
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74 while (adjust--) { \
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75 *((type *)p) = (type)color; \
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76 p += bpp; \
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77 } \
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78 } \
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79 SSE_WORK; \
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80 } \
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81 if (n & 63) { \
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82 int remainder = (n & 63); \
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83 remainder /= bpp; \
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84 while (remainder--) { \
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85 *((type *)p) = (type)color; \
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86 p += bpp; \
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87 } \
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88 } \
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89 pixels += pitch; \
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90 } \
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91 \
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92 SSE_END; \
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93 }
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94
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95 static void
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96 SDL_FillRect1SSE(Uint8 *pixels, int pitch, Uint32 color, int w, int h)
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97 {
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98 SSE_BEGIN;
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99
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100 while (h--) {
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101 int i, n = w;
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102 Uint8 *p = pixels;
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103
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104 if (n > 63) {
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105 int adjust = 16 - ((uintptr_t)p & 15);
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106 if (adjust) {
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107 n -= adjust;
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108 SDL_memset(p, color, adjust);
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109 p += adjust;
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110 }
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111 SSE_WORK;
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112 }
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113 if (n & 63) {
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114 int remainder = (n & 63);
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115 SDL_memset(p, color, remainder);
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116 p += remainder;
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117 }
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118 pixels += pitch;
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119 }
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120
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121 SSE_END;
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122 }
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123 /*DEFINE_SSE_FILLRECT(1, Uint8)*/
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124 DEFINE_SSE_FILLRECT(2, Uint16)
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125 DEFINE_SSE_FILLRECT(4, Uint32)
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126
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127 /* *INDENT-ON* */
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128 #endif /* __SSE__ */
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129
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130 #ifdef __MMX__
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131 /* *INDENT-OFF* */
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132
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133 #define MMX_BEGIN \
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134 __m64 c64 = _mm_set_pi32(color, color)
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135
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136 #define MMX_WORK \
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137 for (i = n / 64; i--;) { \
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138 _mm_stream_pi((__m64 *)(p+0), c64); \
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139 _mm_stream_pi((__m64 *)(p+8), c64); \
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140 _mm_stream_pi((__m64 *)(p+16), c64); \
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141 _mm_stream_pi((__m64 *)(p+24), c64); \
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142 _mm_stream_pi((__m64 *)(p+32), c64); \
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143 _mm_stream_pi((__m64 *)(p+40), c64); \
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144 _mm_stream_pi((__m64 *)(p+48), c64); \
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145 _mm_stream_pi((__m64 *)(p+56), c64); \
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146 p += 64; \
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147 }
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148
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149 #define MMX_END \
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150 _mm_empty()
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151
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152 #define DEFINE_MMX_FILLRECT(bpp, type) \
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153 static void \
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154 SDL_FillRect##bpp##MMX(Uint8 *pixels, int pitch, Uint32 color, int w, int h) \
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155 { \
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156 MMX_BEGIN; \
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157 \
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158 while (h--) { \
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159 int i, n = w * bpp; \
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160 Uint8 *p = pixels; \
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161 \
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162 if (n > 63) { \
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163 int adjust = 8 - ((uintptr_t)p & 7); \
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164 if (adjust < 8) { \
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165 n -= adjust; \
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166 adjust /= bpp; \
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167 while (adjust--) { \
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168 *((type *)p) = (type)color; \
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169 p += bpp; \
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170 } \
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171 } \
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172 MMX_WORK; \
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173 } \
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174 if (n & 63) { \
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175 int remainder = (n & 63); \
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176 remainder /= bpp; \
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177 while (remainder--) { \
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178 *((type *)p) = (type)color; \
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179 p += bpp; \
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180 } \
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181 } \
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182 pixels += pitch; \
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183 } \
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184 \
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185 MMX_END; \
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186 }
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187
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188 static void
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189 SDL_FillRect1MMX(Uint8 *pixels, int pitch, Uint32 color, int w, int h)
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190 {
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191 MMX_BEGIN;
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192
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193 while (h--) {
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194 int i, n = w;
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195 Uint8 *p = pixels;
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196
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197 if (n > 63) {
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198 int adjust = 8 - ((uintptr_t)p & 7);
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199 if (adjust) {
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200 n -= adjust;
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201 SDL_memset(p, color, adjust);
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202 p += adjust;
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203 }
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204 MMX_WORK;
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205 }
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206 if (n & 63) {
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207 int remainder = (n & 63);
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208 SDL_memset(p, color, remainder);
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209 p += remainder;
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210 }
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211 pixels += pitch;
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212 }
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213
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214 MMX_END;
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215 }
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216 /*DEFINE_MMX_FILLRECT(1, Uint8)*/
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217 DEFINE_MMX_FILLRECT(2, Uint16)
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218 DEFINE_MMX_FILLRECT(4, Uint32)
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219
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220 /* *INDENT-ON* */
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221 #endif /* __MMX__ */
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222
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223 static void
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224 SDL_FillRect1(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
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225 {
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226 while (h--) {
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227 int n = w;
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228 Uint8 *p = pixels;
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229
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230 if (n > 3) {
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231 switch ((uintptr_t) p & 3) {
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232 case 1:
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233 *p++ = (Uint8) color;
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234 --n;
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235 case 2:
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236 *p++ = (Uint8) color;
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237 --n;
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238 case 3:
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239 *p++ = (Uint8) color;
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240 --n;
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diff changeset
241 }
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242 SDL_memset4(p, color, (n >> 2));
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243 }
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244 if (n & 3) {
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245 p += (n & ~3);
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246 switch (n & 3) {
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247 case 3:
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248 *p++ = (Uint8) color;
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249 case 2:
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250 *p++ = (Uint8) color;
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diff changeset
251 case 1:
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252 *p++ = (Uint8) color;
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diff changeset
253 }
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diff changeset
254 }
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255 pixels += pitch;
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diff changeset
256 }
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diff changeset
257 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
258
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diff changeset
259 static void
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260 SDL_FillRect2(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
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diff changeset
261 {
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diff changeset
262 while (h--) {
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263 int n = w;
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diff changeset
264 Uint16 *p = (Uint16 *) pixels;
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diff changeset
265
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diff changeset
266 if (n > 1) {
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diff changeset
267 if ((uintptr_t) p & 2) {
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diff changeset
268 *p++ = (Uint16) color;
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diff changeset
269 --n;
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diff changeset
270 }
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diff changeset
271 SDL_memset4(p, color, (n >> 1));
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diff changeset
272 }
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diff changeset
273 if (n & 1) {
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diff changeset
274 p[n - 1] = (Uint16) color;
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275 }
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diff changeset
276 pixels += pitch;
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diff changeset
277 }
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diff changeset
278 }
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diff changeset
279
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diff changeset
280 static void
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diff changeset
281 SDL_FillRect3(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
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diff changeset
282 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 Uint8 r = (Uint8) ((color >> 16) & 0xFF);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 Uint8 g = (Uint8) ((color >> 8) & 0xFF);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 Uint8 b = (Uint8) (color & 0xFF);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 while (h--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 int n = w;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 Uint8 *p = pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
290
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 while (n--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 *p++ = r;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 *p++ = g;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
294 *p++ = b;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
295 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
297 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
298 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
299
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
300 static void
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 SDL_FillRect4(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
302 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 while (h--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 SDL_memset4(pixels, color, w);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
307 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
308
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
309 /*
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310 * This function performs a fast fill of the given rectangle with 'color'
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
311 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
312 int
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 SDL_FillRect(SDL_Surface * dst, SDL_Rect * dstrect, Uint32 color)
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 Uint8 *pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 /* This function doesn't work on surfaces < 8 bpp */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 if (dst->format->BitsPerPixel < 8) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 SDL_SetError("SDL_FillRect(): Unsupported surface format");
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 return (-1);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 /* If 'dstrect' == NULL, then fill the whole surface */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 if (dstrect) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 /* Perform clipping */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 if (!SDL_IntersectRect(dstrect, &dst->clip_rect, dstrect)) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 return (0);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 } else {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 dstrect = &dst->clip_rect;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 /* Perform software fill */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 if (!dst->pixels) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 SDL_SetError("SDL_FillRect(): You must lock the surface");
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 return (-1);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
338
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 pixels =
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 (Uint8 *) dst->pixels + dstrect->y * dst->pitch +
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 dstrect->x * dst->format->BytesPerPixel;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 switch (dst->format->BytesPerPixel) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 case 1:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 color |= (color << 8);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 color |= (color << 16);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 if (SDL_HasSSE()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 SDL_FillRect1SSE(pixels, dst->pitch, color, dstrect->w,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 if (SDL_HasMMX()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 SDL_FillRect1MMX(pixels, dst->pitch, color, dstrect->w,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362 SDL_FillRect1(pixels, dst->pitch, color, dstrect->w, dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
366 case 2:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 color |= (color << 16);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 if (SDL_HasSSE()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 SDL_FillRect2SSE(pixels, dst->pitch, color, dstrect->w,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
375 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 if (SDL_HasMMX()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 SDL_FillRect2MMX(pixels, dst->pitch, color, dstrect->w,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
381 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 SDL_FillRect2(pixels, dst->pitch, color, dstrect->w, dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
385 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 case 3:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 /* 24-bit RGB is a slow path, at least for now. */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 SDL_FillRect3(pixels, dst->pitch, color, dstrect->w, dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
391 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
392 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 case 4:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
396 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 if (SDL_HasSSE()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 SDL_FillRect4SSE(pixels, dst->pitch, color, dstrect->w,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 if (SDL_HasMMX()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 SDL_FillRect4MMX(pixels, dst->pitch, color, dstrect->w,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
410 SDL_FillRect4(pixels, dst->pitch, color, dstrect->w, dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
411 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
413 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 /* We're done! */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 return (0);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
418
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
419 /* vi: set ts=4 sw=4 expandtab: */