Mercurial > sdl-ios-xcode
diff src/video/SDL_renderer_gl.c @ 1923:d4572b97b08f
Switch OpenGL contexts when switching render contexts.
Query the maximum texture size and show the current render parameters.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 22 Jul 2006 19:51:48 +0000 |
| parents | 4905cac7a4bd |
| children | 69217fdd2c0a |
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--- a/src/video/SDL_renderer_gl.c Sat Jul 22 19:03:31 2006 +0000 +++ b/src/video/SDL_renderer_gl.c Sat Jul 22 19:51:48 2006 +0000 @@ -33,6 +33,7 @@ /* OpenGL renderer implementation */ static SDL_Renderer *GL_CreateRenderer(SDL_Window * window, Uint32 flags); +static int GL_ActivateRenderer(SDL_Renderer * renderer); static int GL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture); static int GL_SetTexturePalette(SDL_Renderer * renderer, SDL_Texture * texture, @@ -147,6 +148,7 @@ return NULL; } + renderer->ActivateRenderer = GL_ActivateRenderer; renderer->CreateTexture = GL_CreateTexture; renderer->SetTexturePalette = GL_SetTexturePalette; renderer->GetTexturePalette = GL_GetTexturePalette; @@ -185,9 +187,8 @@ renderer->info.flags |= SDL_Renderer_PresentVSync; } - /* FIXME: Add a function to make the rendering context current when selecting the renderer */ - - /* FIXME: Query maximum texture size */ + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &renderer->info.max_texture_width); + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &renderer->info.max_texture_height); /* FIXME: Check for GL_ARB_texture_rectangle and GL_EXT_texture_rectangle */ @@ -209,6 +210,15 @@ return renderer; } +static int +GL_ActivateRenderer(SDL_Renderer * renderer) +{ + GL_RenderData *data = (GL_RenderData *) renderer->driverdata; + SDL_Window *window = SDL_GetWindowFromID(renderer->window); + + return SDL_GL_MakeCurrent(window->id, data->context); +} + static __inline__ int power_of_2(int input) {