| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrMtlResourceProvider.h" |
| |
| #include "GrMtlCopyManager.h" |
| #include "GrMtlGpu.h" |
| #include "GrMtlPipelineState.h" |
| #include "GrMtlUtil.h" |
| |
| #include "SkSLCompiler.h" |
| |
| |
| GrMtlResourceProvider::GrMtlResourceProvider(GrMtlGpu* gpu) |
| : fGpu(gpu) { |
| fPipelineStateCache.reset(new PipelineStateCache(gpu)); |
| } |
| |
| GrMtlCopyPipelineState* GrMtlResourceProvider::findOrCreateCopyPipelineState( |
| MTLPixelFormat dstPixelFormat, |
| id<MTLFunction> vertexFunction, |
| id<MTLFunction> fragmentFunction, |
| MTLVertexDescriptor* vertexDescriptor) { |
| |
| for (const auto& copyPipelineState: fCopyPipelineStateCache) { |
| if (GrMtlCopyManager::IsCompatible(copyPipelineState.get(), dstPixelFormat)) { |
| return copyPipelineState.get(); |
| } |
| } |
| |
| fCopyPipelineStateCache.emplace_back(GrMtlCopyPipelineState::CreateCopyPipelineState( |
| fGpu, dstPixelFormat, vertexFunction, fragmentFunction, vertexDescriptor)); |
| return fCopyPipelineStateCache.back().get(); |
| } |
| |
| GrMtlPipelineState* GrMtlResourceProvider::findOrCreateCompatiblePipelineState( |
| GrRenderTarget* renderTarget, GrSurfaceOrigin origin, |
| const GrPipeline& pipeline, const GrPrimitiveProcessor& proc, |
| const GrTextureProxy* const primProcProxies[], GrPrimitiveType primType) { |
| return fPipelineStateCache->refPipelineState(renderTarget, origin, proc, primProcProxies, |
| pipeline, primType); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| // Display pipeline state cache usage |
| static const bool c_DisplayMtlPipelineCache{false}; |
| #endif |
| |
| struct GrMtlResourceProvider::PipelineStateCache::Entry { |
| Entry(GrMtlGpu* gpu, GrMtlPipelineState* pipelineState) |
| : fGpu(gpu) |
| , fPipelineState(pipelineState) {} |
| |
| GrMtlGpu* fGpu; |
| std::unique_ptr<GrMtlPipelineState> fPipelineState; |
| }; |
| |
| GrMtlResourceProvider::PipelineStateCache::PipelineStateCache(GrMtlGpu* gpu) |
| : fMap(kMaxEntries) |
| , fGpu(gpu) |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| , fTotalRequests(0) |
| , fCacheMisses(0) |
| #endif |
| {} |
| |
| GrMtlResourceProvider::PipelineStateCache::~PipelineStateCache() { |
| // TODO: determine if we need abandon/release methods |
| fMap.reset(); |
| // dump stats |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| if (c_DisplayMtlPipelineCache) { |
| SkDebugf("--- Pipeline State Cache ---\n"); |
| SkDebugf("Total requests: %d\n", fTotalRequests); |
| SkDebugf("Cache misses: %d\n", fCacheMisses); |
| SkDebugf("Cache miss %%: %f\n", (fTotalRequests > 0) ? |
| 100.f * fCacheMisses / fTotalRequests : |
| 0.f); |
| SkDebugf("---------------------\n"); |
| } |
| #endif |
| } |
| |
| GrMtlPipelineState* GrMtlResourceProvider::PipelineStateCache::refPipelineState( |
| GrRenderTarget* renderTarget, |
| GrSurfaceOrigin origin, |
| const GrPrimitiveProcessor& primProc, |
| const GrTextureProxy* const primProcProxies[], |
| const GrPipeline& pipeline, |
| GrPrimitiveType primType) { |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| ++fTotalRequests; |
| #endif |
| // Get GrMtlProgramDesc |
| GrMtlPipelineStateBuilder::Desc desc; |
| if (!GrMtlPipelineStateBuilder::Desc::Build(&desc, renderTarget, primProc, pipeline, primType, |
| fGpu)) { |
| GrCapsDebugf(fGpu->caps(), "Failed to build mtl program descriptor!\n"); |
| return nullptr; |
| } |
| |
| std::unique_ptr<Entry>* entry = fMap.find(desc); |
| if (!entry) { |
| // Didn't find an origin-independent version, check with the specific origin |
| desc.setSurfaceOriginKey(GrGLSLFragmentShaderBuilder::KeyForSurfaceOrigin(origin)); |
| entry = fMap.find(desc); |
| } |
| if (!entry) { |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| ++fCacheMisses; |
| #endif |
| GrMtlPipelineState* pipelineState(GrMtlPipelineStateBuilder::CreatePipelineState( |
| fGpu, renderTarget, origin, primProc, primProcProxies, pipeline, &desc)); |
| if (nullptr == pipelineState) { |
| return nullptr; |
| } |
| entry = fMap.insert(desc, std::unique_ptr<Entry>(new Entry(fGpu, pipelineState))); |
| return (*entry)->fPipelineState.get(); |
| } |
| return (*entry)->fPipelineState.get(); |
| } |