Mercurial > sdl-ios-xcode
annotate src/video/ataricommon/SDL_atarigl.c @ 993:2662da16d668
Forgot to flush OpenGL buffer using glFinish
author | Patrice Mandin <patmandin@gmail.com> |
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date | Sat, 27 Nov 2004 21:28:49 +0000 |
parents | 0324ce32b2d9 |
children | 22fc5f45bbb7 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 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 Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 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 Library 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 Library General Public |
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16 License along with this library; if not, write to the Free |
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 |
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23 /* Atari OSMesa.ldg implementation of SDL OpenGL support */ |
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24 |
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25 /*--- Includes ---*/ |
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26 |
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27 #include <stdio.h> |
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28 #include <stdlib.h> |
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29 #include <string.h> |
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30 #ifdef HAVE_OPENGL |
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31 #include <GL/osmesa.h> |
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32 #endif |
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33 |
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34 #include <mint/osbind.h> |
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35 |
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36 #include "SDL_video.h" |
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37 #include "SDL_error.h" |
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38 #include "SDL_endian.h" |
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39 #include "SDL_atarigl_c.h" |
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40 #ifdef ENABLE_OSMESA_SHARED |
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41 #include "SDL_loadso.h" |
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42 #endif |
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43 |
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44 /*--- Defines ---*/ |
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45 |
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46 #define PATH_OSMESA_LDG "osmesa.ldg" |
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47 #define PATH_MESAGL_LDG "mesa_gl.ldg" |
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48 #define PATH_TINYGL_LDG "tiny_gl.ldg" |
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49 |
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50 /*--- Functions prototypes ---*/ |
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51 |
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52 static void SDL_AtariGL_UnloadLibrary(_THIS); |
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53 |
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54 static void CopyShadowNull(_THIS, SDL_Surface *surface); |
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55 static void CopyShadowDirect(_THIS, SDL_Surface *surface); |
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56 static void CopyShadow8888To555(_THIS, SDL_Surface *surface); |
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57 static void CopyShadow8888To565(_THIS, SDL_Surface *surface); |
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58 |
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59 static void ConvertNull(_THIS, SDL_Surface *surface); |
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60 static void Convert565To555be(_THIS, SDL_Surface *surface); |
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61 static void Convert565To555le(_THIS, SDL_Surface *surface); |
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62 static void Convert565le(_THIS, SDL_Surface *surface); |
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63 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface); |
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64 |
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65 static int InitNew(_THIS, SDL_Surface *current); |
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66 static int InitOld(_THIS, SDL_Surface *current); |
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67 |
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68 /*--- Public functions ---*/ |
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69 |
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70 int SDL_AtariGL_Init(_THIS, SDL_Surface *current) |
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71 { |
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72 #ifdef HAVE_OPENGL |
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73 if (gl_oldmesa) { |
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74 gl_active = InitOld(this, current); |
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75 } else { |
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76 gl_active = InitNew(this, current); |
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77 } |
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78 #endif |
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79 |
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80 return (gl_active); |
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81 } |
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82 |
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83 void SDL_AtariGL_Quit(_THIS, SDL_bool unload) |
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84 { |
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85 #ifdef HAVE_OPENGL |
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86 if (gl_oldmesa) { |
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87 /* Old mesa implementations */ |
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88 if (this->gl_data->OSMesaDestroyLDG) { |
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89 this->gl_data->OSMesaDestroyLDG(); |
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90 } |
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91 if (gl_shadow) { |
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92 Mfree(gl_shadow); |
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93 gl_shadow = NULL; |
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94 } |
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95 } else { |
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96 /* New mesa implementation */ |
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97 if (gl_ctx) { |
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98 if (this->gl_data->OSMesaDestroyContext) { |
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99 this->gl_data->OSMesaDestroyContext(gl_ctx); |
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100 } |
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101 gl_ctx = NULL; |
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102 } |
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103 } |
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104 |
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105 if (unload) { |
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106 SDL_AtariGL_UnloadLibrary(this); |
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107 } |
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108 |
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109 #endif /* HAVE_OPENGL */ |
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110 gl_active = 0; |
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111 } |
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112 |
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113 int SDL_AtariGL_LoadLibrary(_THIS, const char *path) |
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114 { |
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115 #ifdef HAVE_OPENGL |
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116 |
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117 #ifdef ENABLE_OSMESA_SHARED |
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118 void *handle; |
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119 |
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120 if (gl_active) { |
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121 SDL_SetError("OpenGL context already created"); |
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122 return -1; |
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123 } |
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124 |
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125 /* Unload previous driver */ |
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126 SDL_AtariGL_UnloadLibrary(this); |
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127 |
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128 /* Load library given by path */ |
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129 handle = SDL_LoadObject(path); |
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130 if (handle == NULL) { |
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131 /* Try to load another one */ |
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132 path = getenv("SDL_VIDEO_GL_DRIVER"); |
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133 if ( path != NULL ) { |
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134 handle = SDL_LoadObject(path); |
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135 } |
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136 |
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137 /* If it does not work, try some other */ |
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138 if (handle == NULL) { |
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139 path = PATH_OSMESA_LDG; |
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140 handle = SDL_LoadObject(path); |
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141 } |
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142 |
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143 if (handle == NULL) { |
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144 path = PATH_MESAGL_LDG; |
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145 handle = SDL_LoadObject(path); |
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146 } |
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147 |
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148 if (handle == NULL) { |
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149 path = PATH_TINYGL_LDG; |
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150 handle = SDL_LoadObject(path); |
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151 } |
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152 } |
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153 |
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154 if (handle == NULL) { |
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155 SDL_SetError("Could not load OpenGL library"); |
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156 return -1; |
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157 } |
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158 |
993
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Forgot to flush OpenGL buffer using glFinish
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159 this->gl_data->glGetIntegerv = SDL_LoadFunction(handle, "glGetIntegerv"); |
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160 this->gl_data->glFinish = SDL_LoadFunction(handle, "glFinish"); |
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161 |
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162 if ( (this->gl_data->glGetIntegerv == NULL) || |
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163 (this->gl_data->glFinish == NULL)) { |
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164 SDL_SetError("Could not retrieve OpenGL functions"); |
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165 SDL_UnloadObject(handle); |
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166 /* Restore pointers to static library */ |
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167 SDL_AtariGL_InitPointers(this); |
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168 return -1; |
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169 } |
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170 |
991
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171 /* Load functions pointers (osmesa.ldg) */ |
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172 this->gl_data->OSMesaCreateContextExt = SDL_LoadFunction(handle, "OSMesaCreateContextExt"); |
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173 this->gl_data->OSMesaDestroyContext = SDL_LoadFunction(handle, "OSMesaDestroyContext"); |
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174 this->gl_data->OSMesaMakeCurrent = SDL_LoadFunction(handle, "OSMesaMakeCurrent"); |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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175 this->gl_data->OSMesaPixelStore = SDL_LoadFunction(handle, "OSMesaPixelStore"); |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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176 this->gl_data->OSMesaGetProcAddress = SDL_LoadFunction(handle, "OSMesaGetProcAddress"); |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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177 |
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178 /* Load old functions pointers (mesa_gl.ldg, tiny_gl.ldg) */ |
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179 this->gl_data->OSMesaCreateLDG = SDL_LoadFunction(handle, "OSMesaCreateLDG"); |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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180 this->gl_data->OSMesaDestroyLDG = SDL_LoadFunction(handle, "OSMesaDestroyLDG"); |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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181 |
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182 gl_oldmesa = 0; |
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183 |
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184 if ( (this->gl_data->OSMesaCreateContextExt == NULL) || |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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parents:
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185 (this->gl_data->OSMesaDestroyContext == NULL) || |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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186 (this->gl_data->OSMesaMakeCurrent == NULL) || |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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187 (this->gl_data->OSMesaPixelStore == NULL) || |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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188 (this->gl_data->OSMesaGetProcAddress == NULL)) { |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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189 /* Hum, maybe old library ? */ |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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190 if ( (this->gl_data->OSMesaCreateLDG == NULL) || |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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parents:
989
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|
191 (this->gl_data->OSMesaDestroyLDG == NULL)) { |
993
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Forgot to flush OpenGL buffer using glFinish
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|
192 SDL_SetError("Could not retrieve OSMesa functions"); |
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Forgot to flush OpenGL buffer using glFinish
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|
193 SDL_UnloadObject(handle); |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
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|
194 /* Restore pointers to static library */ |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
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|
195 SDL_AtariGL_InitPointers(this); |
991
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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196 return -1; |
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197 } else { |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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198 gl_oldmesa = 1; |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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199 } |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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|
200 } |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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parents:
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|
201 |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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|
202 this->gl_config.dll_handle = handle; |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
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|
203 if ( path ) { |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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204 strncpy(this->gl_config.driver_path, path, |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
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diff
changeset
|
205 sizeof(this->gl_config.driver_path)-1); |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
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|
206 } else { |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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|
207 strcpy(this->gl_config.driver_path, ""); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
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diff
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|
208 } |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
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209 |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
210 #endif |
989
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
211 this->gl_config.driver_loaded = 1; |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
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212 |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
213 return 0; |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
214 #else |
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
215 return -1; |
989
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
216 #endif |
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parents:
diff
changeset
|
217 } |
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parents:
diff
changeset
|
218 |
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parents:
diff
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|
219 void *SDL_AtariGL_GetProcAddress(_THIS, const char *proc) |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
220 { |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
221 void *func = NULL; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
222 #ifdef HAVE_OPENGL |
991
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
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|
223 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
224 if (this->gl_config.dll_handle) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
225 func = SDL_LoadFunction(this->gl_config.dll_handle, (void *)proc); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
226 } else if (this->gl_data->OSMesaGetProcAddress) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
227 func = this->gl_data->OSMesaGetProcAddress(proc); |
989
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
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|
228 } |
991
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
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|
229 |
989
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parents:
diff
changeset
|
230 #endif |
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parents:
diff
changeset
|
231 return func; |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
232 } |
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parents:
diff
changeset
|
233 |
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parents:
diff
changeset
|
234 int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
235 { |
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parents:
diff
changeset
|
236 #ifdef HAVE_OPENGL |
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parents:
diff
changeset
|
237 GLenum mesa_attrib; |
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Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
238 SDL_Surface *surface; |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
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|
239 |
991
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Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
240 if (this->gl_config.dll_handle) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
241 if (this->gl_data->glGetIntegerv == NULL) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
242 return -1; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
243 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
244 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
245 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
246 if (!gl_active) { |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
247 return -1; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
248 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
249 |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
250 switch(attrib) { |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
251 case SDL_GL_RED_SIZE: |
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parents:
diff
changeset
|
252 mesa_attrib = GL_RED_BITS; |
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parents:
diff
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|
253 break; |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
254 case SDL_GL_GREEN_SIZE: |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
255 mesa_attrib = GL_GREEN_BITS; |
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parents:
diff
changeset
|
256 break; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
257 case SDL_GL_BLUE_SIZE: |
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parents:
diff
changeset
|
258 mesa_attrib = GL_BLUE_BITS; |
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Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
259 break; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
260 case SDL_GL_ALPHA_SIZE: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
261 mesa_attrib = GL_ALPHA_BITS; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
262 break; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
263 case SDL_GL_DOUBLEBUFFER: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
264 surface = this->screen; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
265 *value = ((surface->flags & SDL_DOUBLEBUF)==SDL_DOUBLEBUF); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
266 return 0; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
267 case SDL_GL_DEPTH_SIZE: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
268 mesa_attrib = GL_DEPTH_BITS; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
269 break; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
270 case SDL_GL_STENCIL_SIZE: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
271 mesa_attrib = GL_STENCIL_BITS; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
272 break; |
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Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
273 case SDL_GL_ACCUM_RED_SIZE: |
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parents:
diff
changeset
|
274 mesa_attrib = GL_ACCUM_RED_BITS; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
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parents:
diff
changeset
|
275 break; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
276 case SDL_GL_ACCUM_GREEN_SIZE: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
277 mesa_attrib = GL_ACCUM_GREEN_BITS; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
278 break; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
279 case SDL_GL_ACCUM_BLUE_SIZE: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
280 mesa_attrib = GL_ACCUM_BLUE_BITS; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
281 break; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
282 case SDL_GL_ACCUM_ALPHA_SIZE: |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
283 mesa_attrib = GL_ACCUM_ALPHA_BITS; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
284 break; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
285 default : |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
286 return -1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
287 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
288 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
289 this->gl_data->glGetIntegerv(mesa_attrib, value); |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
290 return 0; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
291 #else |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
292 return -1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
293 #endif |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
294 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
295 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
296 int SDL_AtariGL_MakeCurrent(_THIS) |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
297 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
298 #ifdef HAVE_OPENGL |
475166d13b44
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parents:
diff
changeset
|
299 SDL_Surface *surface; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
300 GLenum type; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
301 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
302 if (gl_oldmesa && gl_active) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
303 return 0; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
304 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
305 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
306 if (this->gl_config.dll_handle) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
307 if ((this->gl_data->OSMesaMakeCurrent == NULL) || |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
308 (this->gl_data->OSMesaPixelStore == NULL)) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
309 return -1; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
310 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
311 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
312 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
313 if (!gl_active) { |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
314 SDL_SetError("Invalid OpenGL context"); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
315 return -1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
316 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
317 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
318 surface = this->screen; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
319 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
320 if ((surface->format->BitsPerPixel == 15) || (surface->format->BitsPerPixel == 16)) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
321 type = GL_UNSIGNED_SHORT_5_6_5; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
322 } else { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
323 type = GL_UNSIGNED_BYTE; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
324 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
325 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
326 if (!(this->gl_data->OSMesaMakeCurrent(gl_ctx, surface->pixels, type, surface->w, surface->h))) { |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
327 SDL_SetError("Can not make OpenGL context current"); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
328 return -1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
329 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
330 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
331 /* OSMesa draws upside down */ |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
332 this->gl_data->OSMesaPixelStore(OSMESA_Y_UP, 0); |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
333 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
334 return 0; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
335 #else |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
336 return -1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
337 #endif |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
338 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
339 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
340 void SDL_AtariGL_SwapBuffers(_THIS) |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
341 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
342 #ifdef HAVE_OPENGL |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
343 if (gl_active) { |
993
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
344 if (this->gl_config.dll_handle) { |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
345 if (this->gl_data->glFinish) { |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
346 this->gl_data->glFinish(); |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
347 } |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
348 } else { |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
349 this->gl_data->glFinish(); |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
350 } |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
351 gl_copyshadow(this, this->screen); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
352 gl_convert(this, this->screen); |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
353 } |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
354 #endif |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
355 } |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
356 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
357 void SDL_AtariGL_InitPointers(_THIS) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
358 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
359 #if defined(HAVE_OPENGL) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
360 this->gl_data->OSMesaCreateContextExt = OSMesaCreateContextExt; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
361 this->gl_data->OSMesaDestroyContext = OSMesaDestroyContext; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
362 this->gl_data->OSMesaMakeCurrent = OSMesaMakeCurrent; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
363 this->gl_data->OSMesaPixelStore = OSMesaPixelStore; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
364 this->gl_data->OSMesaGetProcAddress = OSMesaGetProcAddress; |
993
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
365 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
366 this->gl_data->glGetIntegerv = glGetIntegerv; |
993
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
367 this->gl_data->glFinish = glFinish; |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
368 |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
369 this->gl_data->OSMesaCreateLDG = NULL; |
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
370 this->gl_data->OSMesaDestroyLDG = NULL; |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
371 #endif |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
372 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
373 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
374 /*--- Private functions ---*/ |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
375 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
376 static void SDL_AtariGL_UnloadLibrary(_THIS) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
377 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
378 #if defined(HAVE_OPENGL) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
379 if (this->gl_config.dll_handle) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
380 SDL_UnloadObject(this->gl_config.dll_handle); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
381 this->gl_config.dll_handle = NULL; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
382 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
383 /* Restore pointers to static library */ |
993
2662da16d668
Forgot to flush OpenGL buffer using glFinish
Patrice Mandin <patmandin@gmail.com>
parents:
992
diff
changeset
|
384 SDL_AtariGL_InitPointers(this); |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
385 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
386 #endif |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
387 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
388 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
389 /*--- Creation of an OpenGL context using new/old functions ---*/ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
390 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
391 static int InitNew(_THIS, SDL_Surface *current) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
392 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
393 GLenum osmesa_format; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
394 SDL_PixelFormat *pixel_format; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
395 Uint32 redmask; |
992
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
396 int recreatecontext; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
397 GLint newaccumsize; |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
398 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
399 if (this->gl_config.dll_handle) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
400 if (this->gl_data->OSMesaCreateContextExt == NULL) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
401 return 0; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
402 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
403 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
404 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
405 /* Init OpenGL context using OSMesa */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
406 gl_convert = ConvertNull; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
407 gl_copyshadow = CopyShadowNull; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
408 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
409 pixel_format = current->format; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
410 redmask = pixel_format->Rmask; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
411 switch (pixel_format->BitsPerPixel) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
412 case 15: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
413 /* 1555, big and little endian, unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
414 gl_pixelsize = 2; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
415 osmesa_format = OSMESA_RGB_565; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
416 if (redmask == 31<<10) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
417 gl_convert = Convert565To555be; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
418 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
419 gl_convert = Convert565To555le; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
420 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
421 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
422 case 16: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
423 gl_pixelsize = 2; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
424 if (redmask == 31<<11) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
425 osmesa_format = OSMESA_RGB_565; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
426 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
427 /* 565, little endian, unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
428 osmesa_format = OSMESA_RGB_565; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
429 gl_convert = Convert565le; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
430 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
431 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
432 case 24: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
433 gl_pixelsize = 3; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
434 if (redmask == 255<<16) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
435 osmesa_format = OSMESA_RGB; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
436 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
437 osmesa_format = OSMESA_BGR; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
438 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
439 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
440 case 32: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
441 gl_pixelsize = 4; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
442 if (redmask == 255<<16) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
443 osmesa_format = OSMESA_ARGB; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
444 } else if (redmask == 255<<8) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
445 osmesa_format = OSMESA_BGRA; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
446 } else if (redmask == 255<<24) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
447 osmesa_format = OSMESA_RGBA; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
448 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
449 /* ABGR format unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
450 osmesa_format = OSMESA_BGRA; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
451 gl_convert = ConvertBGRAToABGR; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
452 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
453 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
454 default: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
455 gl_pixelsize = 1; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
456 osmesa_format = OSMESA_COLOR_INDEX; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
457 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
458 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
459 |
992
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
460 /* Try to keep current context if possible */ |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
461 newaccumsize = |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
462 this->gl_config.accum_red_size + |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
463 this->gl_config.accum_green_size + |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
464 this->gl_config.accum_blue_size + |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
465 this->gl_config.accum_alpha_size; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
466 recreatecontext=1; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
467 if (gl_ctx && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
468 (gl_curformat == osmesa_format) && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
469 (gl_curdepth == this->gl_config.depth_size) && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
470 (gl_curstencil == this->gl_config.stencil_size) && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
471 (gl_curaccum == newaccumsize)) { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
472 recreatecontext = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
473 } |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
474 if (recreatecontext) { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
475 SDL_AtariGL_Quit(this, SDL_FALSE); |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
476 |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
477 gl_ctx = this->gl_data->OSMesaCreateContextExt( |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
478 osmesa_format, this->gl_config.depth_size, |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
479 this->gl_config.stencil_size, newaccumsize, NULL ); |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
480 |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
481 if (gl_ctx) { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
482 gl_curformat = osmesa_format; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
483 gl_curdepth = this->gl_config.depth_size; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
484 gl_curstencil = this->gl_config.stencil_size; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
485 gl_curaccum = newaccumsize; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
486 } else { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
487 gl_curformat = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
488 gl_curdepth = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
489 gl_curstencil = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
490 gl_curaccum = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
491 } |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
492 } |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
493 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
494 return (gl_ctx != NULL); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
495 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
496 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
497 static int InitOld(_THIS, SDL_Surface *current) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
498 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
499 GLenum osmesa_format; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
500 SDL_PixelFormat *pixel_format; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
501 Uint32 redmask; |
992
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
502 int recreatecontext; |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
503 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
504 if (this->gl_config.dll_handle) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
505 if (this->gl_data->OSMesaCreateLDG == NULL) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
506 return 0; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
507 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
508 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
509 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
510 /* Init OpenGL context using OSMesa */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
511 gl_convert = ConvertNull; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
512 gl_copyshadow = CopyShadowNull; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
513 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
514 pixel_format = current->format; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
515 redmask = pixel_format->Rmask; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
516 switch (pixel_format->BitsPerPixel) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
517 case 15: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
518 /* 15 bits unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
519 gl_pixelsize = 2; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
520 osmesa_format = OSMESA_ARGB; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
521 if (redmask == 31<<10) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
522 gl_copyshadow = CopyShadow8888To555; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
523 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
524 gl_copyshadow = CopyShadow8888To565; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
525 gl_convert = Convert565To555le; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
526 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
527 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
528 case 16: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
529 /* 16 bits unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
530 gl_pixelsize = 2; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
531 osmesa_format = OSMESA_ARGB; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
532 gl_copyshadow = CopyShadow8888To565; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
533 if (redmask != 31<<11) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
534 /* 565, little endian, unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
535 gl_convert = Convert565le; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
536 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
537 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
538 case 24: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
539 gl_pixelsize = 3; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
540 gl_copyshadow = CopyShadowDirect; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
541 if (redmask == 255<<16) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
542 osmesa_format = OSMESA_RGB; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
543 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
544 osmesa_format = OSMESA_BGR; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
545 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
546 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
547 case 32: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
548 gl_pixelsize = 4; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
549 gl_copyshadow = CopyShadowDirect; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
550 if (redmask == 255<<16) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
551 osmesa_format = OSMESA_ARGB; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
552 } else if (redmask == 255<<8) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
553 osmesa_format = OSMESA_BGRA; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
554 } else if (redmask == 255<<24) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
555 osmesa_format = OSMESA_RGBA; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
556 } else { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
557 /* ABGR format unsupported */ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
558 osmesa_format = OSMESA_BGRA; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
559 gl_convert = ConvertBGRAToABGR; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
560 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
561 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
562 default: |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
563 gl_pixelsize = 1; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
564 gl_copyshadow = CopyShadowDirect; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
565 osmesa_format = OSMESA_COLOR_INDEX; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
566 break; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
567 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
568 |
992
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
569 /* Try to keep current context if possible */ |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
570 recreatecontext=1; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
571 if (gl_shadow && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
572 (gl_curformat == osmesa_format) && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
573 (gl_curwidth == current->w) && |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
574 (gl_curheight == current->h)) { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
575 recreatecontext = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
576 } |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
577 if (recreatecontext) { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
578 SDL_AtariGL_Quit(this, SDL_FALSE); |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
579 |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
580 gl_shadow = this->gl_data->OSMesaCreateLDG( |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
581 osmesa_format, GL_UNSIGNED_BYTE, current->w, current->h |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
582 ); |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
583 |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
584 if (gl_shadow) { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
585 gl_curformat = osmesa_format; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
586 gl_curwidth = current->w; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
587 gl_curheight = current->h; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
588 } else { |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
589 gl_curformat = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
590 gl_curwidth = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
591 gl_curheight = 0; |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
592 } |
0324ce32b2d9
Keep current OpenGL context when possible
Patrice Mandin <patmandin@gmail.com>
parents:
991
diff
changeset
|
593 } |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
594 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
595 return (gl_shadow != NULL); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
596 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
597 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
598 /*--- Conversions routines from shadow buffer to the screen ---*/ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
599 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
600 static void CopyShadowNull(_THIS, SDL_Surface *surface) |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
601 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
602 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
603 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
604 static void CopyShadowDirect(_THIS, SDL_Surface *surface) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
605 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
606 int y, srcpitch, dstpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
607 Uint8 *srcline, *dstline; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
608 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
609 srcline = gl_shadow; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
610 srcpitch = surface->w * gl_pixelsize; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
611 dstline = surface->pixels; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
612 dstpitch = surface->pitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
613 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
614 for (y=0; y<surface->h; y++) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
615 memcpy(dstline, srcline, srcpitch); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
616 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
617 srcline += srcpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
618 dstline += dstpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
619 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
620 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
621 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
622 static void CopyShadow8888To555(_THIS, SDL_Surface *surface) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
623 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
624 int x,y, srcpitch, dstpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
625 Uint16 *dstline, *dstcol; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
626 Uint32 *srcline, *srccol; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
627 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
628 srcline = (Uint32 *)gl_shadow; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
629 srcpitch = surface->w; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
630 dstline = surface->pixels; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
631 dstpitch = surface->pitch >>1; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
632 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
633 for (y=0; y<surface->h; y++) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
634 srccol = srcline; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
635 dstcol = dstline; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
636 for (x=0; x<surface->w; x++) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
637 Uint32 srccolor; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
638 Uint16 dstcolor; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
639 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
640 srccolor = *srccol++; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
641 dstcolor = (srccolor>>9) & (31<<10); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
642 dstcolor |= (srccolor>>6) & (31<<5); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
643 dstcolor |= (srccolor>>3) & 31; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
644 *dstcol++ = dstcolor; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
645 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
646 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
647 srcline += srcpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
648 dstline += dstpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
649 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
650 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
651 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
652 static void CopyShadow8888To565(_THIS, SDL_Surface *surface) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
653 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
654 int x,y, srcpitch, dstpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
655 Uint16 *dstline, *dstcol; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
656 Uint32 *srcline, *srccol; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
657 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
658 srcline = (Uint32 *)gl_shadow; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
659 srcpitch = surface->w; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
660 dstline = surface->pixels; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
661 dstpitch = surface->pitch >>1; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
662 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
663 for (y=0; y<surface->h; y++) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
664 srccol = srcline; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
665 dstcol = dstline; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
666 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
667 for (x=0; x<surface->w; x++) { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
668 Uint32 srccolor; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
669 Uint16 dstcolor; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
670 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
671 srccolor = *srccol++; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
672 dstcolor = (srccolor>>8) & (31<<11); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
673 dstcolor |= (srccolor>>5) & (63<<5); |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
674 dstcolor |= (srccolor>>3) & 31; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
675 *dstcol++ = dstcolor; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
676 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
677 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
678 srcline += srcpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
679 dstline += dstpitch; |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
680 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
681 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
682 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
683 /*--- Conversions routines in the screen ---*/ |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
684 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
685 static void ConvertNull(_THIS, SDL_Surface *surface) |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
686 { |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
687 } |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
688 |
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
689 static void Convert565To555be(_THIS, SDL_Surface *surface) |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
690 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
691 int x,y, pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
692 unsigned short *line, *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
693 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
694 line = surface->pixels; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
695 pitch = surface->pitch >> 1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
696 for (y=0; y<surface->h; y++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
697 pixel = line; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
698 for (x=0; x<surface->w; x++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
699 unsigned short color = *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
700 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
701 *pixel++ = (color & 0x1f)|((color>>1) & 0xffe0); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
702 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
703 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
704 line += pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
705 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
706 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
707 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
708 static void Convert565To555le(_THIS, SDL_Surface *surface) |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
709 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
710 int x,y, pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
711 unsigned short *line, *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
712 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
713 line = surface->pixels; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
714 pitch = surface->pitch >>1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
715 for (y=0; y<surface->h; y++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
716 pixel = line; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
717 for (x=0; x<surface->w; x++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
718 unsigned short color = *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
719 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
720 color = (color & 0x1f)|((color>>1) & 0xffe0); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
721 *pixel++ = SDL_Swap16(color); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
722 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
723 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
724 line += pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
725 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
726 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
727 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
728 static void Convert565le(_THIS, SDL_Surface *surface) |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
729 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
730 int x,y, pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
731 unsigned short *line, *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
732 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
733 line = surface->pixels; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
734 pitch = surface->pitch >>1; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
735 for (y=0; y<surface->h; y++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
736 pixel = line; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
737 for (x=0; x<surface->w; x++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
738 unsigned short color = *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
739 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
740 *pixel++ = SDL_Swap16(color); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
741 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
742 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
743 line += pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
744 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
745 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
746 |
991
12b13601a544
Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon.
Patrice Mandin <patmandin@gmail.com>
parents:
989
diff
changeset
|
747 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface) |
989
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
748 { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
749 int x,y, pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
750 unsigned long *line, *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
751 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
752 line = surface->pixels; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
753 pitch = surface->pitch >>2; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
754 for (y=0; y<surface->h; y++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
755 pixel = line; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
756 for (x=0; x<surface->w; x++) { |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
757 unsigned long color = *pixel; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
758 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
759 *pixel++ = (color<<24)|(color>>8); |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
760 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
761 |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
762 line += pitch; |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
763 } |
475166d13b44
Factorize OSMesa OpenGL code for Atari drivers
Patrice Mandin <patmandin@gmail.com>
parents:
diff
changeset
|
764 } |