Mercurial > sdl-ios-xcode
annotate src/video/maccommon/SDL_macgl.c @ 315:3333b6e68289
Date: Sat, 23 Mar 2002 13:53:37 +0200
From: "Mike Gorchak" <mike@malva.ua>
Subject: Big QNX patch again.
Added 8bit palette emulation code for window mode with bpp>=15.
Added store/restore original palette for 8bit modes.
Added more information about photon API call fails.
Rewroten change palette code, slow but works.
Fixed bug with set caption before window was inited.
Fixed bugs with some initial state of variables.
Fixed bug with storing old video mode settings.
Fixed bug with switching to fullscreen mode and back.
Fixed few double SEGFAULTS during parachute mode.
Removed compilation warning with no PgWaitHWIdle prototype.
Removed pack of dead unusable code.
Cleanups SDL_PrivateVideoData structure, some headers.
Some code formatting.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 23 Mar 2002 20:19:44 +0000 |
| parents | f6ffac90895c |
| children | 8a43e0cbf02f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
297
f6ffac90895c
Updated copyright information for 2002
Sam Lantinga <slouken@libsdl.org>
parents:
252
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changeset
|
3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 /* AGL implementation of SDL OpenGL support */ | |
| 29 | |
| 30 #include "SDL_error.h" | |
| 31 #include "SDL_lowvideo.h" | |
| 32 #include "SDL_macgl_c.h" | |
| 33 | |
| 34 | |
| 35 /* krat: adding OpenGL support */ | |
| 36 int Mac_GL_Init(_THIS) | |
| 37 { | |
| 38 #ifdef HAVE_OPENGL | |
| 39 AGLPixelFormat format; | |
| 40 int i = 0; | |
| 41 GLint attributes [ 24 ]; /* 24 is max possible in this setup */ | |
| 42 GLboolean noerr; | |
| 43 | |
| 44 attributes[i++] = AGL_RGBA; | |
| 45 | |
| 46 if ( this->gl_config.double_buffer ) { | |
| 47 attributes[i++] = AGL_DOUBLEBUFFER; | |
| 48 } | |
| 49 if ( this->gl_config.depth_size != 0 ) { | |
| 50 attributes[i++] = AGL_DEPTH_SIZE; | |
| 51 attributes[i++] = this->gl_config.depth_size; | |
| 52 } | |
| 53 if ( this->gl_config.red_size != 0 && | |
| 54 this->gl_config.blue_size != 0 && | |
| 55 this->gl_config.green_size != 0 ) { | |
| 56 | |
| 57 attributes[i++] = AGL_RED_SIZE; | |
| 58 attributes[i++] = this->gl_config.red_size; | |
| 59 attributes[i++] = AGL_GREEN_SIZE; | |
| 60 attributes[i++] = this->gl_config.green_size; | |
| 61 attributes[i++] = AGL_BLUE_SIZE; | |
| 62 attributes[i++] = this->gl_config.blue_size; | |
| 63 attributes[i++] = AGL_ALPHA_SIZE; | |
| 64 attributes[i++] = this->gl_config.alpha_size; | |
| 65 } | |
| 66 if ( this->gl_config.stencil_size != 0 ) { | |
| 67 attributes[i++] = AGL_STENCIL_SIZE; | |
| 68 attributes[i++] = this->gl_config.stencil_size; | |
| 69 } | |
| 70 if ( this->gl_config.accum_red_size != 0 && | |
| 71 this->gl_config.accum_blue_size != 0 && | |
| 72 this->gl_config.accum_green_size != 0 ) { | |
| 73 | |
| 74 attributes[i++] = AGL_ACCUM_RED_SIZE; | |
| 75 attributes[i++] = this->gl_config.accum_red_size; | |
| 76 attributes[i++] = AGL_ACCUM_GREEN_SIZE; | |
| 77 attributes[i++] = this->gl_config.accum_green_size; | |
| 78 attributes[i++] = AGL_ACCUM_BLUE_SIZE; | |
| 79 attributes[i++] = this->gl_config.accum_blue_size; | |
| 80 attributes[i++] = AGL_ACCUM_ALPHA_SIZE; | |
| 81 attributes[i++] = this->gl_config.accum_alpha_size; | |
| 82 } | |
| 83 attributes[i++] = AGL_ALL_RENDERERS; | |
| 84 attributes[i] = AGL_NONE; | |
| 85 | |
| 86 format = aglChoosePixelFormat(NULL, 0, attributes); | |
| 87 if ( format == NULL ) { | |
| 88 SDL_SetError("Couldn't match OpenGL desired format"); | |
| 89 return(-1); | |
| 90 } | |
| 91 | |
| 92 glContext = aglCreateContext(format, NULL); | |
| 93 if ( glContext == NULL ) { | |
| 94 SDL_SetError("Couldn't create OpenGL context"); | |
| 95 return(-1); | |
| 96 } | |
| 97 aglDestroyPixelFormat(format); | |
| 98 | |
| 99 #if TARGET_API_MAC_CARBON | |
| 100 noerr = aglSetDrawable(glContext, GetWindowPort(SDL_Window)); | |
| 101 #else | |
| 102 noerr = aglSetDrawable(glContext, (AGLDrawable)SDL_Window); | |
| 103 #endif | |
| 104 | |
| 105 if(!noerr) { | |
| 106 SDL_SetError("Unable to bind GL context to window"); | |
| 107 return(-1); | |
| 108 } | |
| 109 return(0); | |
| 110 #else | |
| 111 SDL_SetError("OpenGL support not configured"); | |
| 112 return(-1); | |
| 113 #endif | |
| 114 } | |
| 115 | |
| 116 void Mac_GL_Quit(_THIS) | |
| 117 { | |
| 118 #ifdef HAVE_OPENGL | |
| 119 if ( glContext != NULL ) { | |
| 120 aglSetCurrentContext(NULL); | |
| 121 aglSetDrawable(glContext, NULL); | |
| 122 aglDestroyContext(glContext); | |
| 123 glContext = NULL; | |
| 124 } | |
| 125 #endif | |
| 126 } | |
| 127 | |
| 128 #ifdef HAVE_OPENGL | |
| 129 | |
| 130 /* Make the current context active */ | |
| 131 int Mac_GL_MakeCurrent(_THIS) | |
| 132 { | |
| 133 int retval; | |
| 134 | |
| 135 retval = 0; | |
| 136 if( ! aglSetCurrentContext(glContext) ) { | |
| 137 SDL_SetError("Unable to make GL context current"); | |
| 138 retval = -1; | |
| 139 } | |
| 140 return(retval); | |
| 141 } | |
| 142 | |
| 143 void Mac_GL_SwapBuffers(_THIS) | |
| 144 { | |
| 145 aglSwapBuffers(glContext); | |
| 146 } | |
| 147 | |
| 148 #endif /* HAVE_OPENGL */ | |
| 149 |