diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxgl.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxgl.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxgl.c b/distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxgl.c deleted file mode 100644 index e19614b..0000000 --- a/distrib/sdl-1.2.12/src/video/cybergfx/SDL_cgxgl.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* StormMesa implementation of SDL OpenGL support */ - -#include "SDL_cgxgl_c.h" -#include "SDL_cgxvideo.h" - -#if SDL_VIDEO_OPENGL -AmigaMesaContext glcont=NULL; -#endif - -/* Init OpenGL */ -int CGX_GL_Init(_THIS) -{ -#if SDL_VIDEO_OPENGL - int i = 0; - struct TagItem attributes [ 14 ]; /* 14 should be more than enough :) */ - struct Window *win = (struct Window *)SDL_Window; - - // default config. Always used... - attributes[i].ti_Tag = AMA_Window; attributes[i++].ti_Data = (unsigned long)win; - attributes[i].ti_Tag = AMA_Left; attributes[i++].ti_Data = 0; - attributes[i].ti_Tag = AMA_Bottom; attributes[i++].ti_Data = 0; - attributes[i].ti_Tag = AMA_Width; attributes[i++].ti_Data = win->Width-win->BorderLeft-win->BorderRight; - attributes[i].ti_Tag = AMA_Height; attributes[i++].ti_Data = win->Height-win->BorderBottom-win->BorderTop; - attributes[i].ti_Tag = AMA_DirectRender; attributes[i++].ti_Data = GL_TRUE; - - // double buffer ? - attributes[i].ti_Tag = AMA_DoubleBuf; - if ( this->gl_config.double_buffer ) { - attributes[i++].ti_Data = GL_TRUE; - } - else { - attributes[i++].ti_Data = GL_FALSE; - } - // RGB(A) Mode ? - attributes[i].ti_Tag = AMA_RGBMode; - if ( this->gl_config.red_size != 0 && - this->gl_config.blue_size != 0 && - this->gl_config.green_size != 0 ) { - attributes[i++].ti_Data = GL_TRUE; - } - else { - attributes[i++].ti_Data = GL_FALSE; - } - // no depth buffer ? - if ( this->gl_config.depth_size == 0 ) { - attributes[i].ti_Tag = AMA_NoDepth; - attributes[i++].ti_Data = GL_TRUE; - } - // no stencil buffer ? - if ( this->gl_config.stencil_size == 0 ) { - attributes[i].ti_Tag = AMA_NoStencil; - attributes[i++].ti_Data = GL_TRUE; - } - // no accum buffer ? - if ( this->gl_config.accum_red_size != 0 && - this->gl_config.accum_blue_size != 0 && - this->gl_config.accum_green_size != 0 ) { - attributes[i].ti_Tag = AMA_NoAccum; - attributes[i++].ti_Data = GL_TRUE; - } - // done... - attributes[i].ti_Tag = TAG_DONE; - - glcont = AmigaMesaCreateContext(attributes); - if ( glcont == NULL ) { - SDL_SetError("Couldn't create OpenGL context"); - return(-1); - } - this->gl_data->gl_active = 1; - this->gl_config.driver_loaded = 1; - - return(0); -#else - SDL_SetError("OpenGL support not configured"); - return(-1); -#endif -} - -/* Quit OpenGL */ -void CGX_GL_Quit(_THIS) -{ -#if SDL_VIDEO_OPENGL - if ( glcont != NULL ) { - AmigaMesaDestroyContext(glcont); - glcont = NULL; - this->gl_data->gl_active = 0; - this->gl_config.driver_loaded = 0; - } -#endif -} - -/* Attach context to another window */ -int CGX_GL_Update(_THIS) -{ -#if SDL_VIDEO_OPENGL - struct TagItem tags[2]; - struct Window *win = (struct Window*)SDL_Window; - if(glcont == NULL) { - return -1; //should never happen - } - tags[0].ti_Tag = AMA_Window; - tags[0].ti_Data = (unsigned long)win; - tags[1].ti_Tag = TAG_DONE; - AmigaMesaSetRast(glcont, tags); - - return 0; -#else - SDL_SetError("OpenGL support not configured"); - return -1; -#endif -} - -#if SDL_VIDEO_OPENGL - -/* Make the current context active */ -int CGX_GL_MakeCurrent(_THIS) -{ - if(glcont == NULL) - return -1; - - AmigaMesaMakeCurrent(glcont, glcont->buffer); - return 0; -} - -void CGX_GL_SwapBuffers(_THIS) -{ - AmigaMesaSwapBuffers(glcont); -} - -int CGX_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value) { - GLenum mesa_attrib; - - switch(attrib) { - case SDL_GL_RED_SIZE: - mesa_attrib = GL_RED_BITS; - break; - case SDL_GL_GREEN_SIZE: - mesa_attrib = GL_GREEN_BITS; - break; - case SDL_GL_BLUE_SIZE: - mesa_attrib = GL_BLUE_BITS; - break; - case SDL_GL_ALPHA_SIZE: - mesa_attrib = GL_ALPHA_BITS; - break; - case SDL_GL_DOUBLEBUFFER: - mesa_attrib = GL_DOUBLEBUFFER; - break; - case SDL_GL_DEPTH_SIZE: - mesa_attrib = GL_DEPTH_BITS; - break; - case SDL_GL_STENCIL_SIZE: - mesa_attrib = GL_STENCIL_BITS; - break; - case SDL_GL_ACCUM_RED_SIZE: - mesa_attrib = GL_ACCUM_RED_BITS; - break; - case SDL_GL_ACCUM_GREEN_SIZE: - mesa_attrib = GL_ACCUM_GREEN_BITS; - break; - case SDL_GL_ACCUM_BLUE_SIZE: - mesa_attrib = GL_ACCUM_BLUE_BITS; - break; - case SDL_GL_ACCUM_ALPHA_SIZE: - mesa_attrib = GL_ACCUM_ALPHA_BITS; - break; - default : - return -1; - } - - AmigaMesaGetConfig(glcont->visual, mesa_attrib, value); - return 0; -} - -void *CGX_GL_GetProcAddress(_THIS, const char *proc) { - void *func = NULL; - func = AmiGetGLProc(proc); - return func; -} - -int CGX_GL_LoadLibrary(_THIS, const char *path) { - /* Library is always open */ - this->gl_config.driver_loaded = 1; - - return 0; -} - -#endif /* SDL_VIDEO_OPENGL */ - |