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Added SDL_RenderGetMetalLayer() and SDL_RenderGetMetalCommandEncoder()

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This commit is contained in:
Sam Lantinga 2017-12-08 14:30:10 -08:00
parent 021f7dab32
commit f16b7e735b
6 changed files with 67 additions and 0 deletions
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22
src/render/SDL_render.c
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@ -2123,6 +2123,28 @@ int SDL_GL_UnbindTexture(SDL_Texture *texture)
return SDL_Unsupported();
}
void *
SDL_RenderGetMetalLayer(SDL_Renderer * renderer)
{
CHECK_RENDERER_MAGIC(renderer, NULL);
if (renderer->GetMetalLayer) {
return renderer->GetMetalLayer(renderer);
}
return NULL;
}
void *
SDL_RenderGetMetalCommandEncoder(SDL_Renderer * renderer)
{
CHECK_RENDERER_MAGIC(renderer, NULL);
if (renderer->GetMetalCommandEncoder) {
return renderer->GetMetalCommandEncoder(renderer);
}
return NULL;
}
static SDL_BlendMode
SDL_GetShortBlendMode(SDL_BlendMode blendMode)
{

3
src/render/SDL_sysrender.h
View file

@ -123,6 +123,9 @@ struct SDL_Renderer
int (*GL_BindTexture) (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, float *texh);
int (*GL_UnbindTexture) (SDL_Renderer * renderer, SDL_Texture *texture);
void *(*GetMetalLayer) (SDL_Renderer * renderer);
void *(*GetMetalCommandEncoder) (SDL_Renderer * renderer);
/* The current renderer info */
SDL_RendererInfo info;

17
src/render/metal/SDL_render_metal.m
View file

@ -81,6 +81,8 @@ static int METAL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect
static void METAL_RenderPresent(SDL_Renderer * renderer);
static void METAL_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture);
static void METAL_DestroyRenderer(SDL_Renderer * renderer);
static void *METAL_GetMetalLayer(SDL_Renderer * renderer);
static void *METAL_GetMetalCommandEncoder(SDL_Renderer * renderer);
SDL_RenderDriver METAL_RenderDriver = {
METAL_CreateRenderer,
@ -328,6 +330,8 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
renderer->RenderPresent = METAL_RenderPresent;
renderer->DestroyTexture = METAL_DestroyTexture;
renderer->DestroyRenderer = METAL_DestroyRenderer;
renderer->GetMetalLayer = METAL_GetMetalLayer;
renderer->GetMetalCommandEncoder = METAL_GetMetalCommandEncoder;
renderer->info = METAL_RenderDriver.info;
renderer->info.flags = (SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE);
@ -786,6 +790,19 @@ METAL_DestroyRenderer(SDL_Renderer * renderer)
SDL_free(renderer);
}}
void *METAL_GetMetalLayer(SDL_Renderer * renderer)
{ @autoreleasepool {
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
return (__bridge void*)data.mtllayer;
}}
void *METAL_GetMetalCommandEncoder(SDL_Renderer * renderer)
{ @autoreleasepool {
METAL_ActivateRenderer(renderer);
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
return (__bridge void*)data.mtlcmdencoder;
}}
#endif /* SDL_VIDEO_RENDER_METAL && !SDL_RENDER_DISABLED */
/* vi: set ts=4 sw=4 expandtab: */