SDL: Clean up GL context

CHANGES

@@ -84,6 +84,7 @@ Misc:
  - GBA: More accurate cycle estimation for ROM prefetch and flash save chips
  - ARM7: Reduce the size of the Thumb instruction table
  - GBA: Don't include GBACLIDebugger struct unless needed
+ - SDL: Clean up GL context
 
 0.2.1: (2015-05-13)
 Bugfixes:

src/platform/sdl/gl-sdl.c

@@ -51,7 +51,7 @@ bool GBASDLGLInit(struct SDLSoftwareRenderer* renderer) {
 
 #if SDL_VERSION_ATLEAST(2, 0, 0)
 	renderer->window = SDL_CreateWindow(projectName, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, renderer->viewportWidth, renderer->viewportHeight, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE | (SDL_WINDOW_FULLSCREEN_DESKTOP * renderer->player.fullscreen));
-	SDL_GL_CreateContext(renderer->window);
+	renderer->glCtx = SDL_GL_CreateContext(renderer->window);
 	SDL_GL_SetSwapInterval(1);
 	SDL_GetWindowSize(renderer->window, &renderer->viewportWidth, &renderer->viewportHeight);
 	renderer->player.window = renderer->window;
@@ -109,4 +109,7 @@ void GBASDLGLDeinit(struct SDLSoftwareRenderer* renderer) {
 		renderer->gl.d.deinit(&renderer->gl.d);
 	}
 	free(renderer->d.outputBuffer);
+#if SDL_VERSION_ATLEAST(2, 0, 0)
+	SDL_GL_DeleteContext(renderer->glCtx);
+#endif
 }

src/platform/sdl/main.c

@@ -176,5 +176,4 @@ static void GBASDLDeinit(struct SDLSoftwareRenderer* renderer) {
 	renderer->deinit(renderer);
 
 	SDL_Quit();
-
 }

src/platform/sdl/main.h

@@ -45,6 +45,7 @@ struct SDLSoftwareRenderer {
 	SDL_Window* window;
 	SDL_Texture* sdlTex;
 	SDL_Renderer* sdlRenderer;
+	SDL_GLContext* glCtx;
 #endif
 
 	int viewportWidth;