pandory500/SDL-mirror
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Setting up the OpenGL support

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--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401957
This commit is contained in:
Sam Lantinga 2006-07-16 09:34:01 +00:00
parent 89484fea07
commit 2eed452d04
7 changed files with 256 additions and 116 deletions
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25
src/SDL_compat.c
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@ -36,6 +36,7 @@ static SDL_TextureID SDL_VideoTexture;
static SDL_Surface *SDL_VideoSurface;
static SDL_Surface *SDL_ShadowSurface;
static SDL_Surface *SDL_PublicSurface;
static SDL_GLContext *SDL_VideoContext;
static char *wm_title;
char *
@ -335,6 +336,11 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
SDL_FreeSurface(SDL_VideoSurface);
SDL_VideoSurface = NULL;
}
if (SDL_VideoContext) {
SDL_GL_MakeCurrent(0, SDL_VideoContext);
SDL_GL_DeleteContext(SDL_VideoContext);
SDL_VideoContext = NULL;
}
if (SDL_VideoWindow) {
SDL_GetWindowPosition(SDL_VideoWindow, &window_x, &window_y);
}
@ -432,6 +438,13 @@ SDL_SetVideoMode(int width, int height, int bpp, Uint32 flags)
/* If we're in OpenGL mode, just create a stub surface and we're done! */
if (flags & SDL_OPENGL) {
SDL_VideoContext = SDL_GL_CreateContext(SDL_VideoWindow);
if (!SDL_VideoContext) {
return NULL;
}
if (SDL_GL_MakeCurrent(SDL_VideoWindow, SDL_VideoContext) < 0) {
return NULL;
}
SDL_VideoSurface =
SDL_CreateRGBSurfaceFrom(NULL, width, height, bpp, 0, 0, 0, 0, 0);
if (!SDL_VideoSurface) {
@ -1418,4 +1431,16 @@ SDL_FreeYUVOverlay(SDL_Overlay * overlay)
}
}
int
SDL_GL_GetAttribute(SDL_GLattr attr, int *value)
{
return SDL_GL_GetWindowAttribute(SDL_VideoWindow, attr, value);
}
void
SDL_GL_SwapBuffers(void)
{
SDL_GL_SwapWindow(SDL_VideoWindow);
}
/* vi: set ts=4 sw=4 expandtab: */