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/*
* 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 "GrVkGpu.h"
#include "GrProcessor.h"
#include "GrRenderTargetPriv.h" // TODO: remove once refPipelineState gets passed stencil settings.
#include "GrVkPipelineState.h"
#include "GrVkPipelineStateBuilder.h"
#include "SkOpts.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLProgramDataManager.h"
#ifdef GR_PIPELINE_STATE_CACHE_STATS
// Display pipeline state cache usage
static const bool c_DisplayVkPipelineCache{false};
#endif
struct GrVkResourceProvider::PipelineStateCache::Entry {
Entry(GrVkGpu* gpu, GrVkPipelineState* pipelineState)
: fGpu(gpu)
, fPipelineState(pipelineState) {}
~Entry() {
if (fPipelineState) {
fPipelineState->freeGPUResources(fGpu);
}
}
GrVkGpu* fGpu;
std::unique_ptr<GrVkPipelineState> fPipelineState;
};
GrVkResourceProvider::PipelineStateCache::PipelineStateCache(GrVkGpu* gpu)
: fMap(kMaxEntries)
, fGpu(gpu)
#ifdef GR_PIPELINE_STATE_CACHE_STATS
, fTotalRequests(0)
, fCacheMisses(0)
#endif
{}
GrVkResourceProvider::PipelineStateCache::~PipelineStateCache() {
SkASSERT(0 == fMap.count());
// dump stats
#ifdef GR_PIPELINE_STATE_CACHE_STATS
if (c_DisplayVkPipelineCache) {
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 GrVkResourceProvider::PipelineStateCache::abandon() {
fMap.foreach([](std::unique_ptr<Entry>* e) {
(*e)->fPipelineState->abandonGPUResources();
(*e)->fPipelineState = nullptr;
});
fMap.reset();
}
void GrVkResourceProvider::PipelineStateCache::release() {
fMap.reset();
}
GrVkPipelineState* GrVkResourceProvider::PipelineStateCache::refPipelineState(
const GrPipeline& pipeline,
const GrPrimitiveProcessor& primProc,
GrPrimitiveType primitiveType,
const GrVkRenderPass& renderPass) {
#ifdef GR_PIPELINE_STATE_CACHE_STATS
++fTotalRequests;
#endif
GrStencilSettings stencil;
if (pipeline.isStencilEnabled()) {
GrRenderTarget* rt = pipeline.renderTarget();
// TODO: attach stencil and create settings during render target flush.
SkASSERT(rt->renderTargetPriv().getStencilAttachment());
stencil.reset(*pipeline.getUserStencil(), pipeline.hasStencilClip(),
rt->renderTargetPriv().numStencilBits());
}
// Get GrVkProgramDesc
GrVkPipelineState::Desc desc;
if (!GrVkPipelineState::Desc::Build(&desc, primProc, pipeline, stencil,
primitiveType, *fGpu->caps()->shaderCaps())) {
GrCapsDebugf(fGpu->caps(), "Failed to build vk program descriptor!\n");
return nullptr;
}
desc.finalize();
std::unique_ptr<Entry>* entry = fMap.find(desc);
if (!entry) {
// Didn't find an origin-independent version, check with the specific origin
GrSurfaceOrigin origin = pipeline.proxy()->origin();
desc.setSurfaceOriginKey(GrGLSLFragmentShaderBuilder::KeyForSurfaceOrigin(origin));
desc.finalize();
entry = fMap.find(desc);
}
if (!entry) {
#ifdef GR_PIPELINE_STATE_CACHE_STATS
++fCacheMisses;
#endif
GrVkPipelineState* pipelineState(
GrVkPipelineStateBuilder::CreatePipelineState(fGpu,
pipeline,
stencil,
primProc,
primitiveType,
&desc,
renderPass));
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();
}
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