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annotate src/video/SDL_fillrect.c @ 2993:2fad80c77c17

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Technically more correct
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Jan 2009 19:26:50 +0000
parents ffae53de58f4
children 7e30c2dc7783
rev   line source
2888
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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 > 15) { \
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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 DEFINE_SSE_FILLRECT(1, Uint8)
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96 DEFINE_SSE_FILLRECT(2, Uint16)
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97 DEFINE_SSE_FILLRECT(4, Uint32)
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98
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99 /* *INDENT-ON* */
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100 #endif /* __SSE__ */
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101
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102 #ifdef __MMX__
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103 /* *INDENT-OFF* */
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104
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105 #define MMX_BEGIN \
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106 __m64 c64 = _mm_set_pi32(color, color)
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107
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108 #define MMX_WORK \
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109 for (i = n / 64; i--;) { \
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110 _mm_stream_pi((__m64 *)(p+0), c64); \
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111 _mm_stream_pi((__m64 *)(p+8), c64); \
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112 _mm_stream_pi((__m64 *)(p+16), c64); \
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113 _mm_stream_pi((__m64 *)(p+24), c64); \
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114 _mm_stream_pi((__m64 *)(p+32), c64); \
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115 _mm_stream_pi((__m64 *)(p+40), c64); \
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116 _mm_stream_pi((__m64 *)(p+48), c64); \
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117 _mm_stream_pi((__m64 *)(p+56), c64); \
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118 p += 64; \
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119 }
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120
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121 #define MMX_END \
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122 _mm_empty()
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123
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124 #define DEFINE_MMX_FILLRECT(bpp, type) \
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125 static void \
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126 SDL_FillRect##bpp##MMX(Uint8 *pixels, int pitch, Uint32 color, int w, int h) \
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127 { \
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128 MMX_BEGIN; \
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129 \
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130 while (h--) { \
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131 int i, n = w * bpp; \
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132 Uint8 *p = pixels; \
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133 \
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134 if (n > 7) { \
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135 int adjust = 8 - ((uintptr_t)p & 7); \
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136 if (adjust < 8) { \
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137 n -= adjust; \
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138 adjust /= bpp; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
139 while (adjust--) { \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
140 *((type *)p) = (type)color; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
141 p += bpp; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
142 } \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 } \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 MMX_WORK; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 } \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146 if (n & 63) { \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
147 int remainder = (n & 63); \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
148 remainder /= bpp; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
149 while (remainder--) { \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
150 *((type *)p) = (type)color; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
151 p += bpp; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
152 } \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
153 } \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
154 pixels += pitch; \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 } \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
156 \
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
157 MMX_END; \
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parents:
diff changeset
158 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
159
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parents:
diff changeset
160 DEFINE_MMX_FILLRECT(1, Uint8)
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diff changeset
161 DEFINE_MMX_FILLRECT(2, Uint16)
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diff changeset
162 DEFINE_MMX_FILLRECT(4, Uint32)
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diff changeset
163
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parents:
diff changeset
164 /* *INDENT-ON* */
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diff changeset
165 #endif /* __MMX__ */
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diff changeset
166
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parents:
diff changeset
167 static void
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diff changeset
168 SDL_FillRect1(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
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diff changeset
169 {
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diff changeset
170 while (h--) {
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diff changeset
171 int n = w;
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diff changeset
172 Uint8 *p = pixels;
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diff changeset
173
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parents:
diff changeset
174 if (n > 3) {
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parents:
diff changeset
175 switch ((uintptr_t) p & 3) {
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diff changeset
176 case 1:
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diff changeset
177 *p++ = (Uint8) color;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
178 --n;
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parents:
diff changeset
179 case 2:
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diff changeset
180 *p++ = (Uint8) color;
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parents:
diff changeset
181 --n;
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parents:
diff changeset
182 case 3:
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diff changeset
183 *p++ = (Uint8) color;
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parents:
diff changeset
184 --n;
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parents:
diff changeset
185 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
186 SDL_memset4(p, color, (n >> 2));
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
187 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
188 if (n & 3) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
189 p += (n & ~3);
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parents:
diff changeset
190 switch (n & 3) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
191 case 3:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
192 *p++ = (Uint8) color;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
193 case 2:
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parents:
diff changeset
194 *p++ = (Uint8) color;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
195 case 1:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
196 *p++ = (Uint8) color;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
197 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
198 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
199 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
200 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
201 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
202
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
203 static void
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
204 SDL_FillRect2(Uint8 * pixels, int pitch, Uint32 color, int w, int h)
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
205 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
206 while (h--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
207 int n = w;
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diff changeset
208 Uint16 *p = (Uint16 *) pixels;
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diff changeset
209
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parents:
diff changeset
210 if (n > 1) {
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parents:
diff changeset
211 if ((uintptr_t) p & 2) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
212 *p++ = (Uint16) color;
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diff changeset
213 --n;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
215 SDL_memset4(p, color, (n >> 1));
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parents:
diff changeset
216 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 if (n & 1) {
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parents:
diff changeset
218 p[n - 1] = (Uint16) color;
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parents:
diff changeset
219 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
220 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
221 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
224 static void
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
225 SDL_FillRect3(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
226 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
227 Uint8 r = (Uint8) ((color >> 16) & 0xFF);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
228 Uint8 g = (Uint8) ((color >> 8) & 0xFF);
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parents:
diff changeset
229 Uint8 b = (Uint8) (color & 0xFF);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
230
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 while (h--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
232 int n = w;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
233 Uint8 *p = pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 while (n--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
236 *p++ = r;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
237 *p++ = g;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 *p++ = b;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 static void
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 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
246 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 while (h--) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 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
249 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 /*
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 * 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
255 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 int
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 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
258 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 Uint8 *pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 /* 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
262 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
263 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
264 return (-1);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 /* 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
268 if (dstrect) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 /* Perform clipping */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 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
271 return (0);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 } else {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 dstrect = &dst->clip_rect;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 /* Perform software fill */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 if (!dst->pixels) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 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
280 return (-1);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 pixels =
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284 (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
285 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
286
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 switch (dst->format->BytesPerPixel) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 case 1:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
289 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
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diff changeset
290 color |= (color << 8);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
291 color |= (color << 16);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
292 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
293 if (SDL_HasSSE()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
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diff changeset
294 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
295 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
296 break;
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 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
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diff changeset
299 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
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diff changeset
300 if (SDL_HasMMX()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
301 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
302 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
303 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
304 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
305 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
306 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
307 break;
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 case 2:
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 color |= (color << 16);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
313 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 if (SDL_HasSSE()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
315 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
316 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
318 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
319 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
320 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
321 if (SDL_HasMMX()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
322 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
323 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
324 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 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
328 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
329 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 case 3:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 /* 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
333 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 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
335 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 }
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 case 4:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
339 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 if (SDL_HasSSE()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 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
343 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 break;
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 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 if (SDL_HasMMX()) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 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
350 dstrect->h);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 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
355 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 /* We're done! */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 return (0);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
362
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
363 /* vi: set ts=4 sw=4 expandtab: */