| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrMtlResourceProvider_DEFINED |
| #define GrMtlResourceProvider_DEFINED |
| |
| #include "GrMtlCopyPipelineState.h" |
| #include "GrMtlPipelineStateBuilder.h" |
| #include "SkLRUCache.h" |
| #include "SkTArray.h" |
| |
| #import <metal/metal.h> |
| |
| class GrMtlGpu; |
| |
| class GrMtlResourceProvider { |
| public: |
| GrMtlResourceProvider(GrMtlGpu* gpu); |
| |
| GrMtlCopyPipelineState* findOrCreateCopyPipelineState(MTLPixelFormat dstPixelFormat, |
| id<MTLFunction> vertexFunction, |
| id<MTLFunction> fragmentFunction, |
| MTLVertexDescriptor* vertexDescriptor); |
| |
| GrMtlPipelineState* findOrCreateCompatiblePipelineState( |
| GrRenderTarget*, GrSurfaceOrigin, |
| const GrPipeline&, |
| const GrPrimitiveProcessor&, |
| const GrTextureProxy* const primProcProxies[], |
| GrPrimitiveType); |
| |
| private: |
| #ifdef SK_DEBUG |
| #define GR_PIPELINE_STATE_CACHE_STATS |
| #endif |
| |
| class PipelineStateCache : public ::SkNoncopyable { |
| public: |
| PipelineStateCache(GrMtlGpu* gpu); |
| ~PipelineStateCache(); |
| |
| GrMtlPipelineState* refPipelineState(GrRenderTarget*, GrSurfaceOrigin, |
| const GrPrimitiveProcessor&, |
| const GrTextureProxy* const primProcProxies[], |
| const GrPipeline&, |
| GrPrimitiveType); |
| |
| private: |
| enum { |
| // We may actually have kMaxEntries+1 PipelineStates in context because we create a new |
| // PipelineState before evicting from the cache. |
| kMaxEntries = 128, |
| }; |
| |
| struct Entry; |
| |
| struct DescHash { |
| uint32_t operator()(const GrProgramDesc& desc) const { |
| return SkOpts::hash_fn(desc.asKey(), desc.keyLength(), 0); |
| } |
| }; |
| |
| SkLRUCache<const GrMtlPipelineStateBuilder::Desc, std::unique_ptr<Entry>, DescHash> fMap; |
| |
| GrMtlGpu* fGpu; |
| |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| int fTotalRequests; |
| int fCacheMisses; |
| #endif |
| }; |
| |
| SkTArray<std::unique_ptr<GrMtlCopyPipelineState>> fCopyPipelineStateCache; |
| |
| GrMtlGpu* fGpu; |
| |
| // Cache of GrMtlPipelineStates |
| std::unique_ptr<PipelineStateCache> fPipelineStateCache; |
| }; |
| |
| #endif |