void GPU_GetDefaultRendererOrder(int* order_size, GPU_RendererID* order)
{
int count = 0;
GPU_RendererID default_order[GPU_RENDERER_ORDER_MAX];
#ifndef SDL_GPU_DISABLE_GLES
#ifndef SDL_GPU_DISABLE_GLES3
default_order[count++] = GPU_MakeRendererID("OpenGLES 3", GPU_RENDERER_GLES_3, 3, 0);
#endif
#ifndef SDL_GPU_DISABLE_GLES2
default_order[count++] = GPU_MakeRendererID("OpenGLES 2", GPU_RENDERER_GLES_2, 2, 0);
#endif
#ifndef SDL_GPU_DISABLE_GLES1
default_order[count++] = GPU_MakeRendererID("OpenGLES 1", GPU_RENDERER_GLES_1, 1, 1);
#endif
#endif
#ifndef SDL_GPU_DISABLE_OPENGL
#ifdef __MACOSX__
// My understanding of OS X OpenGL support:
// OS X 10.9: GL 2.1, 3.3, 4.1
// OS X 10.7: GL 2.1, 3.2
// OS X 10.6: GL 1.4, 2.1
#ifndef SDL_GPU_DISABLE_OPENGL_4
default_order[count++] = GPU_MakeRendererID("OpenGL 4", GPU_RENDERER_OPENGL_4, 4, 1);
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_3
default_order[count++] = GPU_MakeRendererID("OpenGL 3", GPU_RENDERER_OPENGL_3, 3, 2);
#endif
#else
#ifndef SDL_GPU_DISABLE_OPENGL_4
default_order[count++] = GPU_MakeRendererID("OpenGL 4", GPU_RENDERER_OPENGL_4, 4, 0);
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_3
default_order[count++] = GPU_MakeRendererID("OpenGL 3", GPU_RENDERER_OPENGL_3, 3, 0);
#endif
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_2
default_order[count++] = GPU_MakeRendererID("OpenGL 2", GPU_RENDERER_OPENGL_2, 2, 0);
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_1
default_order[count++] = GPU_MakeRendererID("OpenGL 1", GPU_RENDERER_OPENGL_1, 1, 1);
#endif
#endif
if(order_size != NULL)
*order_size = count;
if(order != NULL && count > 0)
memcpy(order, default_order, count*sizeof(GPU_RendererID));
}
int main(int argc, char* argv[])
{
GPU_Target* screen;
// Prepare renderer for SDL_gpu to use
GPU_RendererID rendererID = GPU_MakeRendererID("Dummy", GPU_ReserveNextRendererEnum(), 1, 0);
GPU_RegisterRenderer(rendererID, &create_dummy_renderer, &free_dummy_renderer);
printRenderers();
// Request this specific renderer
screen = GPU_InitRenderer(rendererID.renderer, 800, 600, GPU_DEFAULT_INIT_FLAGS);
if(screen == NULL)
return -1;
printCurrentRenderer();
{
Uint8 done;
SDL_Event event;
GPU_Image* image = GPU_LoadImage("data/test.bmp");
if(image == NULL)
GPU_Log("Failed to load image.\n");
done = 0;
while(!done)
{
while(SDL_PollEvent(&event))
{
if(event.type == SDL_QUIT)
done = 1;
else if(event.type == SDL_KEYDOWN)
{
if(event.key.keysym.sym == SDLK_ESCAPE)
done = 1;
}
}
GPU_Clear(screen);
GPU_Blit(image, NULL, screen, screen->w/2, screen->h/2);
GPU_Flip(screen);
// Long delay to keep the logging from piling up too much
SDL_Delay(500);
}
GPU_FreeImage(image);
}
GPU_Quit();
return 0;
}
void GPU_GetDefaultRendererOrder(int* order_size, GPU_RendererID* order)
{
int count = 0;
GPU_RendererID default_order[GPU_RENDERER_ORDER_MAX];
#if defined(__ANDROID__) || defined(__IPHONEOS__)
default_order[count++] = GPU_MakeRendererID(GPU_RENDERER_GLES_2, 2, 0);
default_order[count++] = GPU_MakeRendererID(GPU_RENDERER_GLES_1, 1, 1);
#else
default_order[count++] = GPU_MakeRendererID(GPU_RENDERER_OPENGL_3, 3, 0);
default_order[count++] = GPU_MakeRendererID(GPU_RENDERER_OPENGL_2, 2, 0);
default_order[count++] = GPU_MakeRendererID(GPU_RENDERER_OPENGL_1, 1, 1);
#endif
if(order_size != NULL)
*order_size = count;
if(order != NULL && count > 0)
memcpy(order, default_order, count*sizeof(GPU_RendererID));
}
void GPU_GetDefaultRendererOrder(int* order_size, GPU_RendererID* order)
{
int count = 0;
GPU_RendererID default_order[GPU_RENDERER_ORDER_MAX];
#if defined(__ANDROID__) || defined(__IPHONEOS__)
default_order[count++] = GPU_MakeRendererID("OpenGLES 2", GPU_RENDERER_GLES_2, 2, 0);
default_order[count++] = GPU_MakeRendererID("OpenGLES 1", GPU_RENDERER_GLES_1, 1, 1);
#else
#ifdef __MACOSX__
// My understanding of OS X OpenGL support:
// OS X 10.9: GL 2.1, 3.3, 4.1
// OS X 10.7: GL 2.1, 3.2
// OS X 10.6: GL 1.4, 2.1
default_order[count++] = GPU_MakeRendererID("OpenGL 3", GPU_RENDERER_OPENGL_3, 3, 2);
#else
default_order[count++] = GPU_MakeRendererID("OpenGL 3", GPU_RENDERER_OPENGL_3, 3, 0);
#endif
default_order[count++] = GPU_MakeRendererID("OpenGL 2", GPU_RENDERER_OPENGL_2, 2, 0);
default_order[count++] = GPU_MakeRendererID("OpenGL 1", GPU_RENDERER_OPENGL_1, 1, 1);
#endif
if(order_size != NULL)
*order_size = count;
if(order != NULL && count > 0)
memcpy(order, default_order, count*sizeof(GPU_RendererID));
}
GPU_RendererID GPU_GetRendererID(GPU_RendererEnum renderer)
{
int i;
gpu_init_renderer_register();
for(i = 0; i < GPU_MAX_REGISTERED_RENDERERS; i++)
{
if(_gpu_renderer_register[i].id.renderer == renderer)
return _gpu_renderer_register[i].id;
}
return GPU_MakeRendererID("Unknown", GPU_RENDERER_UNKNOWN, 0, 0);
}
void gpu_register_built_in_renderers(void)
{
#ifndef SDL_GPU_DISABLE_OPENGL
#ifndef SDL_GPU_DISABLE_OPENGL_1_BASE
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGL 1 BASE", GPU_RENDERER_OPENGL_1_BASE, 1, 1),
&GPU_CreateRenderer_OpenGL_1_BASE,
&GPU_FreeRenderer_OpenGL_1_BASE);
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_1
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGL 1", GPU_RENDERER_OPENGL_1, 1, 1),
&GPU_CreateRenderer_OpenGL_1,
&GPU_FreeRenderer_OpenGL_1);
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_2
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGL 2", GPU_RENDERER_OPENGL_2, 2, 0),
&GPU_CreateRenderer_OpenGL_2,
&GPU_FreeRenderer_OpenGL_2);
#endif
#ifndef SDL_GPU_DISABLE_OPENGL_3
#ifdef __MACOSX__
// Depending on OS X version, it might only support core GL 3.3 or 3.2
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGL 3", GPU_RENDERER_OPENGL_3, 3, 2),
&GPU_CreateRenderer_OpenGL_3,
&GPU_FreeRenderer_OpenGL_3);
#else
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGL 3", GPU_RENDERER_OPENGL_3, 3, 0),
&GPU_CreateRenderer_OpenGL_3,
&GPU_FreeRenderer_OpenGL_3);
#endif
#endif
#endif
#ifndef SDL_GPU_DISABLE_GLES
#ifndef SDL_GPU_DISABLE_GLES_1
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGLES 1", GPU_RENDERER_GLES_1, 1, 1),
&GPU_CreateRenderer_GLES_1,
&GPU_FreeRenderer_GLES_1);
#endif
#ifndef SDL_GPU_DISABLE_GLES_2
GPU_RegisterRenderer(GPU_MakeRendererID("OpenGLES 2", GPU_RENDERER_GLES_2, 2, 0),
&GPU_CreateRenderer_GLES_2,
&GPU_FreeRenderer_GLES_2);
#endif
#endif
}
// Remove a renderer from the active map and free it.
void GPU_FreeRenderer(GPU_Renderer* renderer)
{
int i;
GPU_Renderer* current_renderer;
if(renderer == NULL)
return;
current_renderer = GPU_GetCurrentRenderer();
if(current_renderer == renderer)
GPU_SetCurrentRenderer(GPU_MakeRendererID("Unknown", GPU_RENDERER_UNKNOWN, 0, 0));
for(i = 0; i < GPU_MAX_ACTIVE_RENDERERS; i++)
{
if(renderer == _gpu_renderer_map[i])
{
gpu_free_renderer_memory(renderer);
_gpu_renderer_map[i] = NULL;
return;
}
}
}