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initial opengl seperation

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1676
This commit is contained in:
Peter Veenstra 2004-02-10 16:35:02 +00:00
parent b5697eb1f7
commit fdd235c896
1 changed files with 12 additions and 5 deletions
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17
src/gui/sdlmain.cpp
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@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* $Id: sdlmain.cpp,v 1.60 2004-01-30 21:11:34 harekiet Exp $ */
/* $Id: sdlmain.cpp,v 1.61 2004-02-10 16:35:02 qbix79 Exp $ */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
@ -587,6 +587,7 @@ static void GUI_StartUp(Section * sec) {
sdl.overlay=0;
#if C_OPENGL
if(sdl.desktop.want_type==SCREEN_OPENGL){ /* OPENGL is requested */
sdl.surface=SDL_SetVideoMode(640,400,0,SDL_OPENGL);
sdl.opengl.framebuf=0;
sdl.opengl.texture=0;
@ -598,12 +599,18 @@ static void GUI_StartUp(Section * sec) {
db_glFreeMemoryNV = (PFNWGLFREEMEMORYNVPROC) wglGetProcAddress("wglFreeMemoryNV");
#endif
const char * gl_ext = (const char *)glGetString (GL_EXTENSIONS);
sdl.opengl.packed_pixel=strstr(gl_ext,"EXT_packed_pixels") > 0;
sdl.opengl.paletted_texture=strstr(gl_ext,"EXT_paletted_texture") > 0;
if(gl_ext && *gl_ext){
sdl.opengl.packed_pixel=(strstr(gl_ext,"EXT_packed_pixels") > 0);
sdl.opengl.paletted_texture=(strstr(gl_ext,"EXT_paletted_texture") > 0);
#if defined(NVIDIA_PixelDataRange)
sdl.opengl.pixel_data_range=strstr(gl_ext,"GL_NV_pixel_data_range") >0 &&
glPixelDataRangeNV && db_glAllocateMemoryNV && db_glFreeMemoryNV;
sdl.opengl.pixel_data_range=(strstr(gl_ext,"GL_NV_pixel_data_range") >0 )&&
glPixelDataRangeNV && db_glAllocateMemoryNV && db_glFreeMemoryNV;
#endif
} else {
sdl.opengl.packed_pixel=sdl.opengl.paletted_texture=false;
}
} /* OPENGL is requested end */
#endif //OPENGL
/* Initialize screen for first time */
sdl.surface=SDL_SetVideoMode(640,400,0,0);