Set up cache in vulkan to reuse GrVkPrograms (aka VkPipelines)

src/gpu/vk/GrVkResourceProvider.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "GrVkResourceProvider.h"
 
 #include "GrTextureParams.h"
 #include "GrVkCommandBuffer.h"
 #include "GrVkPipeline.h"
 #include "GrVkRenderPass.h"
 #include "GrVkSampler.h"
 #include "GrVkUtil.h"
 
 #ifdef SK_TRACE_VK_RESOURCES
 SkTDynamicHash<GrVkResource, uint32_t> GrVkResource::fTrace;
 SkRandom GrVkResource::fRandom;
 #endif
 
 GrVkResourceProvider::GrVkResourceProvider(GrVkGpu* gpu) : fGpu(gpu)
                                                          , fPipelineCache(VK_NULL_HANDLE) {
+    fPipelineStateCache = new PipelineStateCache(gpu);
 }
 
 GrVkResourceProvider::~GrVkResourceProvider() {
     SkASSERT(0 == fSimpleRenderPasses.count());
     SkASSERT(VK_NULL_HANDLE == fPipelineCache);
+    delete fPipelineStateCache;
 }
 
 void GrVkResourceProvider::init() {
     VkPipelineCacheCreateInfo createInfo;
     memset(&createInfo, 0, sizeof(VkPipelineCacheCreateInfo));
     createInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_CACHE_CREATE_INFO;
     createInfo.pNext = nullptr;
     createInfo.flags = 0;
     createInfo.initialDataSize = 0;
     createInfo.pInitialData = nullptr;
@@ skipping 48 matching lines @@
     GrVkSampler* sampler = fSamplers.find(GrVkSampler::GenerateKey(params));
     if (!sampler) {
         sampler = GrVkSampler::Create(fGpu, params);
         fSamplers.add(sampler);
     }
     SkASSERT(sampler);
     sampler->ref();
     return sampler;
 }
 
+GrVkPipelineState* GrVkResourceProvider::findOrCreateCompatiblePipelineState(
+                                                                 const GrPipeline& pipeline,
+                                                                 const GrPrimitiveProcessor& proc,
+                                                                 GrPrimitiveType primitiveType,
+                                                                 const GrVkRenderPass& renderPass) {
+    return fPipelineStateCache->refPipelineState(pipeline, proc, primitiveType, renderPass);
+}
+
 GrVkCommandBuffer* GrVkResourceProvider::createCommandBuffer() {
     GrVkCommandBuffer* cmdBuffer = GrVkCommandBuffer::Create(fGpu, fGpu->cmdPool());
     fActiveCommandBuffers.push_back(cmdBuffer);
     cmdBuffer->ref();
     return cmdBuffer;
 }
 
 void GrVkResourceProvider::checkCommandBuffers() {
     for (int i = fActiveCommandBuffers.count()-1; i >= 0; --i) {
         if (fActiveCommandBuffers[i]->finished(fGpu)) {
@@ skipping 18 matching lines @@
     }
     fSimpleRenderPasses.reset();
 
     // Iterate through all store GrVkSamplers and unref them before resetting the hash.
     SkTDynamicHash<GrVkSampler, uint8_t>::Iter iter(&fSamplers);
     for (; !iter.done(); ++iter) {
         (*iter).unref(fGpu);
     }
     fSamplers.reset();
 
+    fPipelineStateCache->release();
+
 #ifdef SK_TRACE_VK_RESOURCES
     SkASSERT(0 == GrVkResource::fTrace.count());
 #endif
 
     GR_VK_CALL(fGpu->vkInterface(), DestroyPipelineCache(fGpu->device(), fPipelineCache, nullptr));
     fPipelineCache = VK_NULL_HANDLE;
 }
 
 void GrVkResourceProvider::abandonResources() {
     // release our current command buffers
     for (int i = 0; i < fActiveCommandBuffers.count(); ++i) {
         SkASSERT(fActiveCommandBuffers[i]->finished(fGpu));
         fActiveCommandBuffers[i]->unrefAndAbandon();
     }
     fActiveCommandBuffers.reset();
 
     for (int i = 0; i < fSimpleRenderPasses.count(); ++i) {
         fSimpleRenderPasses[i]->unrefAndAbandon();
     }
     fSimpleRenderPasses.reset();
 
     // Iterate through all store GrVkSamplers and unrefAndAbandon them before resetting the hash.
     SkTDynamicHash<GrVkSampler, uint8_t>::Iter iter(&fSamplers);
     for (; !iter.done(); ++iter) {
         (*iter).unrefAndAbandon();
     }
     fSamplers.reset();
 
+    fPipelineStateCache->abandon();
+
 #ifdef SK_TRACE_VK_RESOURCES
     SkASSERT(0 == GrVkResource::fTrace.count());
 #endif
     fPipelineCache = VK_NULL_HANDLE;
 }