| /* |
| * 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 "src/gpu/mtl/GrMtlResourceProvider.h" |
| |
| #include "include/gpu/GrContextOptions.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "src/gpu/GrContextPriv.h" |
| #include "src/gpu/mtl/GrMtlCommandBuffer.h" |
| #include "src/gpu/mtl/GrMtlGpu.h" |
| #include "src/gpu/mtl/GrMtlPipelineState.h" |
| #include "src/gpu/mtl/GrMtlUtil.h" |
| |
| #include "src/sksl/SkSLCompiler.h" |
| |
| #if !__has_feature(objc_arc) |
| #error This file must be compiled with Arc. Use -fobjc-arc flag |
| #endif |
| |
| GrMtlResourceProvider::GrMtlResourceProvider(GrMtlGpu* gpu) |
| : fGpu(gpu) { |
| fPipelineStateCache.reset(new PipelineStateCache(gpu)); |
| } |
| |
| GrMtlPipelineState* GrMtlResourceProvider::findOrCreateCompatiblePipelineState( |
| GrRenderTarget* renderTarget, |
| const GrProgramInfo& programInfo) { |
| return fPipelineStateCache->refPipelineState(renderTarget, programInfo); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| GrMtlDepthStencil* GrMtlResourceProvider::findOrCreateCompatibleDepthStencilState( |
| const GrStencilSettings& stencil, GrSurfaceOrigin origin) { |
| GrMtlDepthStencil* depthStencilState; |
| GrMtlDepthStencil::Key key = GrMtlDepthStencil::GenerateKey(stencil, origin); |
| depthStencilState = fDepthStencilStates.find(key); |
| if (!depthStencilState) { |
| depthStencilState = GrMtlDepthStencil::Create(fGpu, stencil, origin); |
| fDepthStencilStates.add(depthStencilState); |
| } |
| SkASSERT(depthStencilState); |
| return depthStencilState; |
| } |
| |
| GrMtlSampler* GrMtlResourceProvider::findOrCreateCompatibleSampler(GrSamplerState params) { |
| GrMtlSampler* sampler; |
| sampler = fSamplers.find(GrMtlSampler::GenerateKey(params)); |
| if (!sampler) { |
| sampler = GrMtlSampler::Create(fGpu, params); |
| fSamplers.add(sampler); |
| } |
| SkASSERT(sampler); |
| return sampler; |
| } |
| |
| void GrMtlResourceProvider::destroyResources() { |
| fSamplers.foreach([&](GrMtlSampler* sampler) { sampler->unref(); }); |
| fSamplers.reset(); |
| |
| fDepthStencilStates.foreach([&](GrMtlDepthStencil* stencil) { stencil->unref(); }); |
| fDepthStencilStates.reset(); |
| |
| fPipelineStateCache->release(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #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(gpu->getContext()->priv().options().fRuntimeProgramCacheSize) |
| , fGpu(gpu) |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| , fTotalRequests(0) |
| , fCacheMisses(0) |
| #endif |
| {} |
| |
| GrMtlResourceProvider::PipelineStateCache::~PipelineStateCache() { |
| SkASSERT(0 == fMap.count()); |
| // 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 |
| } |
| |
| void GrMtlResourceProvider::PipelineStateCache::release() { |
| fMap.reset(); |
| } |
| |
| GrMtlPipelineState* GrMtlResourceProvider::PipelineStateCache::refPipelineState( |
| GrRenderTarget* renderTarget, |
| const GrProgramInfo& programInfo) { |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| ++fTotalRequests; |
| #endif |
| |
| const GrMtlCaps& caps = fGpu->mtlCaps(); |
| |
| GrProgramDesc desc = caps.makeDesc(renderTarget, programInfo); |
| if (!desc.isValid()) { |
| GrCapsDebugf(fGpu->caps(), "Failed to build mtl program descriptor!\n"); |
| return nullptr; |
| } |
| |
| std::unique_ptr<Entry>* entry = fMap.find(desc); |
| if (!entry) { |
| #ifdef GR_PIPELINE_STATE_CACHE_STATS |
| ++fCacheMisses; |
| #endif |
| GrMtlPipelineState* pipelineState(GrMtlPipelineStateBuilder::CreatePipelineState( |
| fGpu, renderTarget, desc, programInfo)); |
| if (!pipelineState) { |
| return nullptr; |
| } |
| entry = fMap.insert(desc, std::unique_ptr<Entry>(new Entry(fGpu, pipelineState))); |
| return (*entry)->fPipelineState.get(); |
| } |
| return (*entry)->fPipelineState.get(); |
| } |