annotate src/video/SDL_fillrect.c @ 5067:61d53410eb41

Fixed bug #859 CREATE_SUBDIRS helps a lot if browsing HTML documentation in a file browser. ALWAYS_DETAILED_SEC makes sure everything has at least the automatic documentation like function prototype and source references. STRIP_FROM_PATH allows you to include only the relevant portions of the files' paths, cleaning up both the file list and directory tree, though you need to change the path listed here to match wherever you put SDL. ALIASES avoids some warnings generated by C:\source\svn.libsdl.org\trunk\SDL\src\joystick\darwin\10.3.9-FIX\IOHIDLib.h. It seems Apple uses a few commands which are not normally supported by Doxygen. BUILTIN_STL_SUPPORT adds support for parsing code which makes use of the standard template library. There isn't a lot of C++ in SDL (some in bwindow at least), but this still seems like a good idea. TYPEDEF_HIDES_STRUCT means that for code like this: typedef struct A {int B;} C; C is documented as a structure containing B instead of a typedef mapped to A. EXTRACT_ALL, EXTRACT_PRIVATE, EXTRACT_STATIC, EXTRACT_LOCAL_METHODS, EXTRACT_ANON_NSPACES and INTERNAL_DOCS make sure that _everything_ is documented. CASE_SENSE_NAMES = NO avoids potential conflicts when building documentation on case insensitive file systems like NTFS and FAT32. WARN_NO_PARAMDOC lets you know when you have documented some, but not all, of the parameters of a function. This is useful when you're working on adding such documentation since it makes partially documented functions easier to spot. WARN_LOGFILE writes warnings to a seperate file instead of mixing them in with stdout. When not running in quiet mode, these warnings can be hard to spot without this flag. I added *.h.in and *.h.default to FILE_PATTERNS to generate documentation for config.h.in and config.h.default. RECURSIVE tells doxygen to look not only in the input directory, but also in subfolders. EXCLUDE avoids documenting things like test programs, examples and templates which need to be documented separately. I've used EXCLUDE_PATTERNS to exclude non-source subdirectories that often find their way into source folders (such as obj or .svn). EXAMPLE_PATH lists directories doxygen will search to find included example code. So far, SDL doesn't really use this feature, but I've listed some likely locations. SOURCE_BROWSER adds syntax highlighted source code to the HTML output. USE_HTAGS is nice, but not available on Windows. INLINE_SOURCES adds the body of a function to it's documentation so you can quickly see exactly what it does. ALPHABETICAL_INDEX generates an alphabetical list of all structures, functions, etc., which makes it much easier to find what you're looking for. IGNORE_PREFIX skips the SDL_ prefix when deciding which index page to place an item on so you don't have everything show up under "S". HTML_DYNAMIC_SECTIONS hides the includes/included by diagrams by default and adds JavaScript to allow the user to show and hide them by clicking a link. ENUM_VALUES_PER_LINE = 1 makes enums easier to read by placing each value on it's own line. GENERATE_TREEVIEW produces a two frame index page with a navigation tree on the left. I have LaTeX and man pages turned off to speed up doxygen, you may want to turn them back on yourself. I added _WIN32=1 to PREDEFINED to cause SDL to output documentation related to Win32 builds of SDL. Normally, doxygen gets confused since there are multiple definitions for various structures and formats that vary by platform. Without this doxygen can produce broken documentation or, if you're lucky, output documentation only for the dummy drivers, which isn't very useful. You need to pick a platform. GENERATE_TAGFILE produces a file which can be used to link other doxygen documentation to the SDL documentation. CLASS_DIAGRAMS turns on class diagrams even when dot is not available. HAVE_DOT tells doxygen to try to use dot to generate diagrams. TEMPLATE_RELATIONS and INCLUDE_GRAPH add additional diagrams to the documentation. DOT_MULTI_TARGETS speeds up dot. OUTPUT_DIRECTORY, INPUT and other paths reflect the fact that this Doxyfile is intended to process src as well as include and is being run from a separate subdirectory. Doxygen produces several temporary files while it's running and if interrupted, can leave those files behind. It's easier to clean up if there aren't a hundred or so files in the same folder. I typically run doxygen in SDL/doxy and set the output directory to '.'. Since doxygen puts it's output in subfolders by type, this keeps things pretty well organised. You could use '../doc' instead and get the same results.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 21 Jan 2011 12:57:01 -0800
parents f7b03b6838cb
children b530ef003506
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 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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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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251 case 1:
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252 *p++ = (Uint8) color;
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253 }
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254 }
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255 pixels += pitch;
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256 }
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diff changeset
257 }
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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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261 {
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262 while (h--) {
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263 int n = w;
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diff changeset
264 Uint16 *p = (Uint16 *) pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
265
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
266 if (n > 1) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 if ((uintptr_t) p & 2) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 *p++ = (Uint16) color;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 --n;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 SDL_memset4(p, color, (n >> 1));
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 if (n & 1) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 p[n - 1] = (Uint16) color;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
275 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
276 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
277 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 static void
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 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
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
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parents:
diff changeset
284 Uint8 g = (Uint8) ((color >> 8) & 0xFF);
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parents:
diff changeset
285 Uint8 b = (Uint8) (color & 0xFF);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
286
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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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
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diff changeset
289 Uint8 *p = pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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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
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parents:
diff changeset
292 *p++ = r;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
293 *p++ = g;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
294 *p++ = b;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
295 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
296 pixels += pitch;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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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
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
313 SDL_FillRect(SDL_Surface * dst, const SDL_Rect * rect, Uint32 color)
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
314 {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
315 SDL_Rect clipped;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
316 Uint8 *pixels;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
317
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3012
diff changeset
318 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
319 SDL_SetError("Passed NULL destination surface");
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
320 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
321 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
322
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
323 /* 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
324 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
325 SDL_SetError("SDL_FillRect(): Unsupported surface format");
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
326 return -1;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
327 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
328
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
329 /* If 'rect' == NULL, then fill the whole surface */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
330 if (rect) {
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 /* Perform clipping */
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
332 if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
333 return 0;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 }
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
335 rect = &clipped;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 } else {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
337 rect = &dst->clip_rect;
2888
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
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 /* Perform software fill */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341 if (!dst->pixels) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 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
343 return (-1);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
346 pixels = (Uint8 *) dst->pixels + rect->y * dst->pitch +
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
347 rect->x * dst->format->BytesPerPixel;
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 switch (dst->format->BytesPerPixel) {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 case 1:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 color |= (color << 8);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 color |= (color << 16);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 if (SDL_HasSSE()) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
356 SDL_FillRect1SSE(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 break;
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 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 if (SDL_HasMMX()) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
362 SDL_FillRect1MMX(pixels, dst->pitch, color, rect->w, rect->h);
2888
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 #endif
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
366 SDL_FillRect1(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
367 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
368 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
369
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
370 case 2:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
371 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
372 color |= (color << 16);
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
373 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
374 if (SDL_HasSSE()) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
375 SDL_FillRect2SSE(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
376 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
377 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
378 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
379 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
380 if (SDL_HasMMX()) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
381 SDL_FillRect2MMX(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
382 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
383 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 #endif
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
385 SDL_FillRect2(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
386 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 case 3:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
390 /* 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
391 {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
392 SDL_FillRect3(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 }
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 case 4:
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
397 {
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
398 #ifdef __SSE__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 if (SDL_HasSSE()) {
3536
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents: 3012
diff changeset
400 SDL_FillRect4SSE(pixels, dst->pitch, color, rect->w, rect->h);
2888
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 break;
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
402 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
403 #endif
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
404 #ifdef __MMX__
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 if (SDL_HasMMX()) {
3536
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406 SDL_FillRect4MMX(pixels, dst->pitch, color, rect->w, rect->h);
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407 break;
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408 }
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409 #endif
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diff changeset
410 SDL_FillRect4(pixels, dst->pitch, color, rect->w, rect->h);
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411 break;
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412 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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413 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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parents:
diff changeset
414
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
415 /* We're done! */
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diff changeset
416 return 0;
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diff changeset
417 }
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diff changeset
418
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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diff changeset
419 int
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diff changeset
420 SDL_FillRects(SDL_Surface * dst, const SDL_Rect ** rects, int count,
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diff changeset
421 Uint32 color)
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diff changeset
422 {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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diff changeset
423 int i;
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diff changeset
424 int status = 0;
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diff changeset
425
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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diff changeset
426 for (i = 0; i < count; ++i) {
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diff changeset
427 status = SDL_FillRect(dst, rects[i], color);
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parents: 3012
diff changeset
428 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects:
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parents: 3012
diff changeset
429 return status;
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diff changeset
430 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing
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diff changeset
432 /* vi: set ts=4 sw=4 expandtab: */