metal: Add support for custom blend modes.
Alex Szpakowski
parent
85470a2f95
commit
cf45cf70e5
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@ -49,6 +49,7 @@ static SDL_Renderer *METAL_CreateRenderer(SDL_Window * window, Uint32 flags);
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static void METAL_WindowEvent(SDL_Renderer * renderer,
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const SDL_WindowEvent *event);
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static int METAL_GetOutputSize(SDL_Renderer * renderer, int *w, int *h);
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static SDL_bool METAL_SupportsBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode);
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static int METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture);
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static int METAL_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
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const SDL_Rect * rect, const void *pixels,
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@ -104,6 +105,34 @@ SDL_RenderDriver METAL_RenderDriver = {
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}
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};
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typedef enum SDL_MetalVertexFunction
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{
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SDL_METAL_VERTEX_SOLID,
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SDL_METAL_VERTEX_COPY,
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} SDL_MetalVertexFunction;
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typedef enum SDL_MetalFragmentFunction
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{
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SDL_METAL_FRAGMENT_SOLID,
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SDL_METAL_FRAGMENT_COPY_NEAREST,
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SDL_METAL_FRAGMENT_COPY_LINEAR,
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} SDL_MetalFragmentFunction;
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typedef struct METAL_PipelineState
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{
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SDL_BlendMode blendMode;
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void *pipe;
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} METAL_PipelineState;
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typedef struct METAL_PipelineCache
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{
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METAL_PipelineState *states;
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int count;
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SDL_MetalVertexFunction vertexFunction;
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SDL_MetalFragmentFunction fragmentFunction;
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const char *label;
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} METAL_PipelineCache;
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@interface METAL_RenderData : NSObject
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@property (nonatomic, assign) BOOL beginScene;
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@property (nonatomic, retain) id<MTLDevice> mtldevice;
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@ -112,9 +141,9 @@ SDL_RenderDriver METAL_RenderDriver = {
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@property (nonatomic, retain) id<MTLRenderCommandEncoder> mtlcmdencoder;
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@property (nonatomic, retain) id<MTLLibrary> mtllibrary;
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@property (nonatomic, retain) id<CAMetalDrawable> mtlbackbuffer;
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@property (nonatomic, retain) NSMutableArray *mtlpipelineprims;
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@property (nonatomic, retain) NSMutableArray *mtlpipelinecopynearest;
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@property (nonatomic, retain) NSMutableArray *mtlpipelinecopylinear;
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@property (nonatomic) METAL_PipelineCache *mtlpipelineprims;
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@property (nonatomic) METAL_PipelineCache *mtlpipelinecopynearest;
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@property (nonatomic) METAL_PipelineCache *mtlpipelinecopylinear;
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@property (nonatomic, retain) id<MTLBuffer> mtlbufclearverts;
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@property (nonatomic, retain) id<MTLBuffer> mtlbufidentitytransform;
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@property (nonatomic, retain) CAMetalLayer *mtllayer;
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@ -126,7 +155,7 @@ SDL_RenderDriver METAL_RenderDriver = {
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@interface METAL_TextureData : NSObject
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@property (nonatomic, retain) id<MTLTexture> mtltexture;
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@property (nonatomic, retain) NSMutableArray *mtlpipeline;
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@property (nonatomic) METAL_PipelineCache *mtlpipeline;
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@end
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@implementation METAL_TextureData
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@ -149,90 +178,170 @@ IsMetalAvailable(const SDL_SysWMinfo *syswm)
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return 0;
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}
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static id<MTLRenderPipelineState>
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MakePipelineState(METAL_RenderData *data, NSString *label, NSString *vertfn,
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NSString *fragfn, const SDL_BlendMode blendmode)
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static const MTLBlendOperation invalidBlendOperation = (MTLBlendOperation)0xFFFFFFFF;
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static const MTLBlendFactor invalidBlendFactor = (MTLBlendFactor)0xFFFFFFFF;
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static MTLBlendOperation
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GetBlendOperation(SDL_BlendOperation operation)
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{
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id<MTLFunction> mtlvertfn = [data.mtllibrary newFunctionWithName:vertfn];
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id<MTLFunction> mtlfragfn = [data.mtllibrary newFunctionWithName:fragfn];
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switch (operation) {
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case SDL_BLENDOPERATION_ADD: return MTLBlendOperationAdd;
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case SDL_BLENDOPERATION_SUBTRACT: return MTLBlendOperationSubtract;
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case SDL_BLENDOPERATION_REV_SUBTRACT: return MTLBlendOperationReverseSubtract;
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case SDL_BLENDOPERATION_MINIMUM: return MTLBlendOperationMin;
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case SDL_BLENDOPERATION_MAXIMUM: return MTLBlendOperationMax;
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default: return invalidBlendOperation;
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}
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}
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static MTLBlendFactor
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GetBlendFactor(SDL_BlendFactor factor)
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{
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switch (factor) {
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case SDL_BLENDFACTOR_ZERO: return MTLBlendFactorZero;
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case SDL_BLENDFACTOR_ONE: return MTLBlendFactorOne;
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case SDL_BLENDFACTOR_SRC_COLOR: return MTLBlendFactorSourceColor;
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case SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR: return MTLBlendFactorOneMinusSourceColor;
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case SDL_BLENDFACTOR_SRC_ALPHA: return MTLBlendFactorSourceAlpha;
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case SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA: return MTLBlendFactorOneMinusSourceAlpha;
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case SDL_BLENDFACTOR_DST_COLOR: return MTLBlendFactorDestinationColor;
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case SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR: return MTLBlendFactorOneMinusDestinationColor;
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case SDL_BLENDFACTOR_DST_ALPHA: return MTLBlendFactorDestinationAlpha;
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case SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA: return MTLBlendFactorOneMinusDestinationAlpha;
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default: return invalidBlendFactor;
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}
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}
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static NSString *
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GetVertexFunctionName(SDL_MetalVertexFunction function)
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{
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switch (function) {
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case SDL_METAL_VERTEX_SOLID: return @"SDL_Solid_vertex";
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case SDL_METAL_VERTEX_COPY: return @"SDL_Copy_vertex";
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default: return nil;
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}
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}
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static NSString *
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GetFragmentFunctionName(SDL_MetalFragmentFunction function)
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{
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switch (function) {
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case SDL_METAL_FRAGMENT_SOLID: return @"SDL_Solid_fragment";
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case SDL_METAL_FRAGMENT_COPY_NEAREST: return @"SDL_Copy_fragment_nearest";
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case SDL_METAL_FRAGMENT_COPY_LINEAR: return @"SDL_Copy_fragment_linear";
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default: return nil;
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}
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}
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static id<MTLRenderPipelineState>
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MakePipelineState(METAL_RenderData *data, METAL_PipelineCache *cache,
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NSString *blendlabel, SDL_BlendMode blendmode)
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{
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id<MTLFunction> mtlvertfn = [data.mtllibrary newFunctionWithName:GetVertexFunctionName(cache->vertexFunction)];
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id<MTLFunction> mtlfragfn = [data.mtllibrary newFunctionWithName:GetFragmentFunctionName(cache->fragmentFunction)];
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SDL_assert(mtlvertfn != nil);
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SDL_assert(mtlfragfn != nil);
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MTLRenderPipelineDescriptor *mtlpipedesc = [[MTLRenderPipelineDescriptor alloc] init];
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mtlpipedesc.vertexFunction = mtlvertfn;
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mtlpipedesc.fragmentFunction = mtlfragfn;
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mtlpipedesc.colorAttachments[0].pixelFormat = data.mtllayer.pixelFormat;
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switch (blendmode) {
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case SDL_BLENDMODE_BLEND:
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mtlpipedesc.colorAttachments[0].blendingEnabled = YES;
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mtlpipedesc.colorAttachments[0].rgbBlendOperation = MTLBlendOperationAdd;
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mtlpipedesc.colorAttachments[0].alphaBlendOperation = MTLBlendOperationAdd;
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mtlpipedesc.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorSourceAlpha;
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mtlpipedesc.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
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mtlpipedesc.colorAttachments[0].sourceAlphaBlendFactor = MTLBlendFactorOne;
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mtlpipedesc.colorAttachments[0].destinationAlphaBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
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break;
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MTLRenderPipelineColorAttachmentDescriptor *rtdesc = mtlpipedesc.colorAttachments[0];
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case SDL_BLENDMODE_ADD:
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mtlpipedesc.colorAttachments[0].blendingEnabled = YES;
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mtlpipedesc.colorAttachments[0].rgbBlendOperation = MTLBlendOperationAdd;
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mtlpipedesc.colorAttachments[0].alphaBlendOperation = MTLBlendOperationAdd;
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mtlpipedesc.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorSourceAlpha;
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mtlpipedesc.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOne;
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mtlpipedesc.colorAttachments[0].sourceAlphaBlendFactor = MTLBlendFactorZero;
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mtlpipedesc.colorAttachments[0].destinationAlphaBlendFactor = MTLBlendFactorOne;
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break;
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// !!! FIXME: This should be part of the pipeline state cache.
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rtdesc.pixelFormat = data.mtllayer.pixelFormat;
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case SDL_BLENDMODE_MOD:
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mtlpipedesc.colorAttachments[0].blendingEnabled = YES;
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mtlpipedesc.colorAttachments[0].rgbBlendOperation = MTLBlendOperationAdd;
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mtlpipedesc.colorAttachments[0].alphaBlendOperation = MTLBlendOperationAdd;
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mtlpipedesc.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorZero;
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mtlpipedesc.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorSourceColor;
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mtlpipedesc.colorAttachments[0].sourceAlphaBlendFactor = MTLBlendFactorZero;
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mtlpipedesc.colorAttachments[0].destinationAlphaBlendFactor = MTLBlendFactorOne;
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break;
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default:
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mtlpipedesc.colorAttachments[0].blendingEnabled = NO;
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break;
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if (blendmode != SDL_BLENDMODE_NONE) {
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rtdesc.blendingEnabled = YES;
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rtdesc.sourceRGBBlendFactor = GetBlendFactor(SDL_GetBlendModeSrcColorFactor(blendmode));
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rtdesc.destinationRGBBlendFactor = GetBlendFactor(SDL_GetBlendModeDstColorFactor(blendmode));
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rtdesc.rgbBlendOperation = GetBlendOperation(SDL_GetBlendModeColorOperation(blendmode));
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rtdesc.sourceAlphaBlendFactor = GetBlendFactor(SDL_GetBlendModeSrcAlphaFactor(blendmode));
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rtdesc.destinationAlphaBlendFactor = GetBlendFactor(SDL_GetBlendModeDstAlphaFactor(blendmode));
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rtdesc.alphaBlendOperation = GetBlendOperation(SDL_GetBlendModeAlphaOperation(blendmode));
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} else {
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rtdesc.blendingEnabled = NO;
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}
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mtlpipedesc.label = label;
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mtlpipedesc.label = [@(cache->label) stringByAppendingString:blendlabel];
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NSError *err = nil;
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id<MTLRenderPipelineState> retval = [data.mtldevice newRenderPipelineStateWithDescriptor:mtlpipedesc error:&err];
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id<MTLRenderPipelineState> state = [data.mtldevice newRenderPipelineStateWithDescriptor:mtlpipedesc error:&err];
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SDL_assert(err == nil);
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METAL_PipelineState pipeline;
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pipeline.blendMode = blendmode;
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pipeline.pipe = (void *)CFBridgingRetain(state);
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METAL_PipelineState *states = SDL_realloc(cache->states, (cache->count + 1) * sizeof(pipeline));
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#if !__has_feature(objc_arc)
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[mtlpipedesc release]; // !!! FIXME: can these be reused for each creation, or does the pipeline obtain it?
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[mtlvertfn release];
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[mtlfragfn release];
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[label release];
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[state release];
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#endif
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return retval;
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if (states) {
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states[cache->count++] = pipeline;
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cache->states = states;
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return (__bridge id<MTLRenderPipelineState>)pipeline.pipe;
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} else {
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CFBridgingRelease(pipeline.pipe);
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SDL_OutOfMemory();
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return NULL;
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}
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}
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static METAL_PipelineCache *
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MakePipelineCache(METAL_RenderData *data, const char *label, SDL_MetalVertexFunction vertfn, SDL_MetalFragmentFunction fragfn)
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{
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METAL_PipelineCache *cache = SDL_malloc(sizeof(METAL_PipelineCache));
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if (!cache) {
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SDL_OutOfMemory();
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return NULL;
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}
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SDL_zerop(cache);
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cache->vertexFunction = vertfn;
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cache->fragmentFunction = fragfn;
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cache->label = label;
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/* Create pipeline states for the default blend modes. Custom blend modes
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* will be added to the cache on-demand. */
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MakePipelineState(data, cache, @"(blend=none)", SDL_BLENDMODE_NONE);
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MakePipelineState(data, cache, @"(blend=blend)", SDL_BLENDMODE_BLEND);
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MakePipelineState(data, cache, @"(blend=add)", SDL_BLENDMODE_ADD);
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MakePipelineState(data, cache, @"(blend=mod)", SDL_BLENDMODE_MOD);
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return cache;
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}
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static void
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MakePipelineStates(METAL_RenderData *data, NSMutableArray *states,
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NSString *label, NSString *vertfn, NSString *fragfn)
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DestroyPipelineCache(METAL_PipelineCache *cache)
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{
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[states addObject:MakePipelineState(data, [label stringByAppendingString:@" (blendmode=none)"], vertfn, fragfn, SDL_BLENDMODE_NONE)];
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[states addObject:MakePipelineState(data, [label stringByAppendingString:@" (blendmode=blend)"], vertfn, fragfn, SDL_BLENDMODE_BLEND)];
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[states addObject:MakePipelineState(data, [label stringByAppendingString:@" (blendmode=add)"], vertfn, fragfn, SDL_BLENDMODE_ADD)];
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[states addObject:MakePipelineState(data, [label stringByAppendingString:@" (blendmode=mod)"], vertfn, fragfn, SDL_BLENDMODE_MOD)];
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if (cache != NULL) {
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for (int i = 0; i < cache->count; i++) {
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CFBridgingRelease(cache->states[i].pipe);
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}
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SDL_free(cache->states);
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SDL_free(cache);
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}
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}
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static inline id<MTLRenderPipelineState>
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ChoosePipelineState(NSMutableArray *states, const SDL_BlendMode blendmode)
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ChoosePipelineState(METAL_RenderData *data, METAL_PipelineCache *cache, const SDL_BlendMode blendmode)
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{
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switch (blendmode) {
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case SDL_BLENDMODE_BLEND: return (id<MTLRenderPipelineState>)states[1];
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case SDL_BLENDMODE_ADD: return (id<MTLRenderPipelineState>)states[2];
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case SDL_BLENDMODE_MOD: return (id<MTLRenderPipelineState>)states[3];
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default: return (id<MTLRenderPipelineState>)states[0];
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for (int i = 0; i < cache->count; i++) {
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if (cache->states[i].blendMode == blendmode) {
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return (__bridge id<MTLRenderPipelineState>)cache->states[i].pipe;
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}
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}
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return nil;
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return MakePipelineState(data, cache, [NSString stringWithFormat:@"(blend=custom 0x%x)", blendmode], blendmode);
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}
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static SDL_Renderer *
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@ -285,8 +394,6 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
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layer.device = mtldevice;
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// !!! FIXME: We might want this to be NO for RenderReadPixels.
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layer.framebufferOnly = YES;
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//layer.colorspace = nil;
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#else
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@ -294,6 +401,9 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
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CAMetalLayer *layer = (CAMetalLayer *)[view layer];
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#endif
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// Necessary for RenderReadPixels.
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layer.framebufferOnly = NO;
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data.mtldevice = layer.device;
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data.mtllayer = layer;
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data.mtlcmdqueue = [data.mtldevice newCommandQueue];
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@ -312,12 +422,9 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
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#endif
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data.mtllibrary.label = @"SDL Metal renderer shader library";
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data.mtlpipelineprims = [[NSMutableArray alloc] init];
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MakePipelineStates(data, data.mtlpipelineprims, @"SDL primitives pipeline", @"SDL_Solid_vertex", @"SDL_Solid_fragment");
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data.mtlpipelinecopynearest = [[NSMutableArray alloc] init];
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MakePipelineStates(data, data.mtlpipelinecopynearest, @"SDL texture pipeline (nearest)", @"SDL_Copy_vertex", @"SDL_Copy_fragment_nearest");
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data.mtlpipelinecopylinear = [[NSMutableArray alloc] init];
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MakePipelineStates(data, data.mtlpipelinecopylinear, @"SDL texture pipeline (linear)", @"SDL_Copy_vertex", @"SDL_Copy_fragment_linear");
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data.mtlpipelineprims = MakePipelineCache(data, "SDL primitives pipeline ", SDL_METAL_VERTEX_SOLID, SDL_METAL_FRAGMENT_SOLID);
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data.mtlpipelinecopynearest = MakePipelineCache(data, "SDL texture pipeline (nearest) ", SDL_METAL_VERTEX_COPY, SDL_METAL_FRAGMENT_COPY_NEAREST);
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data.mtlpipelinecopylinear = MakePipelineCache(data, "SDL texture pipeline (linear) ", SDL_METAL_VERTEX_COPY, SDL_METAL_FRAGMENT_COPY_LINEAR);
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static const float clearverts[] = { 0, 0, 0, 3, 3, 0 };
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data.mtlbufclearverts = [data.mtldevice newBufferWithBytes:clearverts length:sizeof(clearverts) options:MTLResourceCPUCacheModeWriteCombined];
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@ -333,6 +440,7 @@ METAL_CreateRenderer(SDL_Window * window, Uint32 flags)
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renderer->WindowEvent = METAL_WindowEvent;
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renderer->GetOutputSize = METAL_GetOutputSize;
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renderer->SupportsBlendMode = METAL_SupportsBlendMode;
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renderer->CreateTexture = METAL_CreateTexture;
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renderer->UpdateTexture = METAL_UpdateTexture;
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renderer->UpdateTextureYUV = METAL_UpdateTextureYUV;
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@ -415,6 +523,27 @@ METAL_GetOutputSize(SDL_Renderer * renderer, int *w, int *h)
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return 0;
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}}
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static SDL_bool
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METAL_SupportsBlendMode(SDL_Renderer * renderer, SDL_BlendMode blendMode)
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{
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SDL_BlendFactor srcColorFactor = SDL_GetBlendModeSrcColorFactor(blendMode);
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SDL_BlendFactor srcAlphaFactor = SDL_GetBlendModeSrcAlphaFactor(blendMode);
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SDL_BlendOperation colorOperation = SDL_GetBlendModeColorOperation(blendMode);
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SDL_BlendFactor dstColorFactor = SDL_GetBlendModeDstColorFactor(blendMode);
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SDL_BlendFactor dstAlphaFactor = SDL_GetBlendModeDstAlphaFactor(blendMode);
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SDL_BlendOperation alphaOperation = SDL_GetBlendModeAlphaOperation(blendMode);
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if (GetBlendFactor(srcColorFactor) == invalidBlendFactor ||
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GetBlendFactor(srcAlphaFactor) == invalidBlendFactor ||
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GetBlendOperation(colorOperation) == invalidBlendOperation ||
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GetBlendFactor(dstColorFactor) == invalidBlendFactor ||
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GetBlendFactor(dstAlphaFactor) == invalidBlendFactor ||
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GetBlendOperation(alphaOperation) == invalidBlendOperation) {
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return SDL_FALSE;
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}
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return SDL_TRUE;
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}
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static int
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METAL_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
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{ @autoreleasepool {
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@ -616,7 +745,7 @@ METAL_RenderClear(SDL_Renderer * renderer)
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// Draw a simple filled fullscreen triangle now.
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METAL_SetOrthographicProjection(renderer, 1, 1);
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[data.mtlcmdencoder setViewport:viewport];
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[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data.mtlpipelineprims, renderer->blendMode)];
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[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data, data.mtlpipelineprims, SDL_BLENDMODE_NONE)];
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[data.mtlcmdencoder setVertexBuffer:data.mtlbufclearverts offset:0 atIndex:0];
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[data.mtlcmdencoder setFragmentBytes:color length:sizeof(color) atIndex:0];
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[data.mtlcmdencoder drawPrimitives:MTLPrimitiveTypeTriangle vertexStart:0 vertexCount:3];
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@ -654,7 +783,7 @@ DrawVerts(SDL_Renderer * renderer, const SDL_FPoint * points, int count,
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|||
// !!! FIXME: render color should live in a dedicated uniform buffer.
|
||||
const float color[4] = { ((float)renderer->r) / 255.0f, ((float)renderer->g) / 255.0f, ((float)renderer->b) / 255.0f, ((float)renderer->a) / 255.0f };
|
||||
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data.mtlpipelineprims, renderer->blendMode)];
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data, data.mtlpipelineprims, renderer->blendMode)];
|
||||
[data.mtlcmdencoder setFragmentBytes:color length:sizeof(color) atIndex:0];
|
||||
[data.mtlcmdencoder setVertexBytes:points length:vertlen atIndex:0];
|
||||
[data.mtlcmdencoder drawPrimitives:primtype vertexStart:0 vertexCount:count];
|
||||
|
|
@ -682,7 +811,7 @@ METAL_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects, int coun
|
|||
// !!! FIXME: render color should live in a dedicated uniform buffer.
|
||||
const float color[4] = { ((float)renderer->r) / 255.0f, ((float)renderer->g) / 255.0f, ((float)renderer->b) / 255.0f, ((float)renderer->a) / 255.0f };
|
||||
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data.mtlpipelineprims, renderer->blendMode)];
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data, data.mtlpipelineprims, renderer->blendMode)];
|
||||
[data.mtlcmdencoder setFragmentBytes:color length:sizeof(color) atIndex:0];
|
||||
|
||||
for (int i = 0; i < count; i++, rects++) {
|
||||
|
|
@ -734,7 +863,7 @@ METAL_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
|
|||
color[3] = ((float)texture->a) / 255.0f;
|
||||
}
|
||||
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(texturedata.mtlpipeline, texture->blendMode)];
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data, texturedata.mtlpipeline, texture->blendMode)];
|
||||
[data.mtlcmdencoder setVertexBytes:xy length:sizeof(xy) atIndex:0];
|
||||
[data.mtlcmdencoder setVertexBytes:uv length:sizeof(uv) atIndex:1];
|
||||
[data.mtlcmdencoder setVertexBuffer:data.mtlbufidentitytransform offset:0 atIndex:3];
|
||||
|
|
@ -816,7 +945,7 @@ METAL_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture,
|
|||
color[3] = ((float)texture->a) / 255.0f;
|
||||
}
|
||||
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(texturedata.mtlpipeline, texture->blendMode)];
|
||||
[data.mtlcmdencoder setRenderPipelineState:ChoosePipelineState(data, texturedata.mtlpipeline, texture->blendMode)];
|
||||
[data.mtlcmdencoder setVertexBytes:xy length:sizeof(xy) atIndex:0];
|
||||
[data.mtlcmdencoder setVertexBytes:uv length:sizeof(uv) atIndex:1];
|
||||
[data.mtlcmdencoder setVertexBytes:transform length:sizeof(transform) atIndex:3];
|
||||
|
|
@ -836,14 +965,7 @@ METAL_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
|
|||
METAL_RenderData *data = (__bridge METAL_RenderData *) renderer->driverdata;
|
||||
MTLRenderPassColorAttachmentDescriptor *colorAttachment = data.mtlpassdesc.colorAttachments[0];
|
||||
id<MTLTexture> mtltexture = colorAttachment.texture;
|
||||
MTLRegion mtlregion;
|
||||
|
||||
mtlregion.origin.x = rect->x;
|
||||
mtlregion.origin.y = rect->y;
|
||||
mtlregion.origin.z = 0;
|
||||
mtlregion.size.width = rect->w;
|
||||
mtlregion.size.height = rect->w;
|
||||
mtlregion.size.depth = 1;
|
||||
MTLRegion mtlregion = MTLRegionMake2D(rect->x, rect->y, rect->w, rect->h);
|
||||
|
||||
// we only do BGRA8 or RGBA8 at the moment, so 4 will do.
|
||||
const int temp_pitch = rect->w * 4;
|
||||
|
|
@ -903,14 +1025,6 @@ METAL_DestroyRenderer(SDL_Renderer * renderer)
|
|||
[data.mtlcmdencoder release];
|
||||
[data.mtlcmdbuffer release];
|
||||
[data.mtlcmdqueue release];
|
||||
for (int i = 0; i < 4; i++) {
|
||||
[data.mtlpipelineprims[i] release];
|
||||
[data.mtlpipelinecopynearest[i] release];
|
||||
[data.mtlpipelinecopylinear[i] release];
|
||||
}
|
||||
[data.mtlpipelineprims release];
|
||||
[data.mtlpipelinecopynearest release];
|
||||
[data.mtlpipelinecopylinear release];
|
||||
[data.mtlbufclearverts release];
|
||||
[data.mtlbufidentitytransform release];
|
||||
[data.mtllibrary release];
|
||||
|
|
@ -918,6 +1032,10 @@ METAL_DestroyRenderer(SDL_Renderer * renderer)
|
|||
[data.mtlpassdesc release];
|
||||
[data.mtllayer release];
|
||||
#endif
|
||||
|
||||
DestroyPipelineCache(data.mtlpipelineprims);
|
||||
DestroyPipelineCache(data.mtlpipelinecopynearest);
|
||||
DestroyPipelineCache(data.mtlpipelinecopylinear);
|
||||
}
|
||||
|
||||
SDL_free(renderer);
|
||||
|
|
|
|||
Loading…
Reference in New Issue