src/gpu/GrTest.cpp - platform/external/skia - Gitiles


 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #include "GrTest.h"

 #include "GrBatchAtlas.h"
 #include "GrBatchFontCache.h"
 #include "GrContextOptions.h"
 #include "GrDrawingManager.h"
 #include "GrGpuResourceCacheAccess.h"
 #include "GrResourceCache.h"
 #include "GrTextBlobCache.h"
 #include "SkString.h"

 namespace GrTest {
 void SetupAlwaysEvictAtlas(GrContext* context) {
     // These sizes were selected because they allow each atlas to hold a single plot and will thus
     // stress the atlas
     int dim = GrBatchAtlas::kGlyphMaxDim;
     GrBatchAtlasConfig configs[3];
     configs[kA8_GrMaskFormat].fWidth = dim;
     configs[kA8_GrMaskFormat].fHeight = dim;
     configs[kA8_GrMaskFormat].fPlotWidth = dim;
     configs[kA8_GrMaskFormat].fPlotHeight = dim;

     configs[kA565_GrMaskFormat].fWidth = dim;
     configs[kA565_GrMaskFormat].fHeight = dim;
     configs[kA565_GrMaskFormat].fPlotWidth = dim;
     configs[kA565_GrMaskFormat].fPlotHeight = dim;

     configs[kARGB_GrMaskFormat].fWidth = dim;
     configs[kARGB_GrMaskFormat].fHeight = dim;
     configs[kARGB_GrMaskFormat].fPlotWidth = dim;
     configs[kARGB_GrMaskFormat].fPlotHeight = dim;

     context->setTextContextAtlasSizes_ForTesting(configs);
 }
 };

 void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target) {
     SkASSERT(!fContext);

     fContext.reset(SkRef(ctx));
     fDrawTarget.reset(SkRef(target));
 }

 void GrContext::getTestTarget(GrTestTarget* tar) {
     this->flush();
     // We could create a proxy GrDrawTarget that passes through to fGpu until ~GrTextTarget() and
     // then disconnects. This would help prevent test writers from mixing using the returned
     // GrDrawTarget and regular drawing. We could also assert or fail in GrContext drawing methods
     // until ~GrTestTarget().
     SkAutoTUnref<GrDrawTarget> dt(fDrawingManager->newDrawTarget(nullptr));
     tar->init(this, dt);
 }

 void GrContext::setTextBlobCacheLimit_ForTesting(size_t bytes) {
     fTextBlobCache->setBudget(bytes);
 }

 void GrContext::setTextContextAtlasSizes_ForTesting(const GrBatchAtlasConfig* configs) {
     fBatchFontCache->setAtlasSizes_ForTesting(configs);
 }

 ///////////////////////////////////////////////////////////////////////////////

 void GrContext::purgeAllUnlockedResources() {
     fResourceCache->purgeAllUnlocked();
 }

 void GrContext::dumpCacheStats(SkString* out) const {
 #if GR_CACHE_STATS
     fResourceCache->dumpStats(out);
 #endif
 }

 void GrContext::printCacheStats() const {
     SkString out;
     this->dumpCacheStats(&out);
     SkDebugf("%s", out.c_str());
 }

 void GrContext::dumpGpuStats(SkString* out) const {
 #if GR_GPU_STATS
     return fGpu->stats()->dump(out);
 #endif
 }

 void GrContext::printGpuStats() const {
     SkString out;
     this->dumpGpuStats(&out);
     SkDebugf("%s", out.c_str());
 }

 #if GR_GPU_STATS
 void GrGpu::Stats::dump(SkString* out) {
     out->appendf("Render Target Binds: %d\n", fRenderTargetBinds);
     out->appendf("Shader Compilations: %d\n", fShaderCompilations);
     out->appendf("Textures Created: %d\n", fTextureCreates);
     out->appendf("Texture Uploads: %d\n", fTextureUploads);
     out->appendf("Stencil Buffer Creates: %d\n", fStencilAttachmentCreates);
     out->appendf("Number of draws: %d\n", fNumDraws);
 }
 #endif

 #if GR_CACHE_STATS
 void GrResourceCache::dumpStats(SkString* out) const {
     this->validate();

     int locked = fNonpurgeableResources.count();

     struct Stats {
         int fScratch;
         int fExternal;
         int fBorrowed;
         int fAdopted;
         size_t fUnbudgetedSize;

         Stats() : fScratch(0), fExternal(0), fBorrowed(0), fAdopted(0), fUnbudgetedSize(0) {}

         void update(GrGpuResource* resource) {
             if (resource->cacheAccess().isScratch()) {
                 ++fScratch;
             }
             if (resource->cacheAccess().isExternal()) {
                 ++fExternal;
             }
             if (resource->cacheAccess().isBorrowed()) {
                 ++fBorrowed;
             }
             if (resource->cacheAccess().isAdopted()) {
                 ++fAdopted;
             }
             if (!resource->resourcePriv().isBudgeted()) {
                 fUnbudgetedSize += resource->gpuMemorySize();
             }
         }
     };

     Stats stats;

     for (int i = 0; i < fNonpurgeableResources.count(); ++i) {
         stats.update(fNonpurgeableResources[i]);
     }
     for (int i = 0; i < fPurgeableQueue.count(); ++i) {
         stats.update(fPurgeableQueue.at(i));
     }

     float countUtilization = (100.f * fBudgetedCount) / fMaxCount;
     float byteUtilization = (100.f * fBudgetedBytes) / fMaxBytes;

     out->appendf("Budget: %d items %d bytes\n", fMaxCount, (int)fMaxBytes);
     out->appendf("\t\tEntry Count: current %d"
                  " (%d budgeted, %d external(%d borrowed, %d adopted), %d locked, %d scratch %.2g%% full), high %d\n",
                  this->getResourceCount(), fBudgetedCount, stats.fExternal, stats.fBorrowed,
                  stats.fAdopted, locked, stats.fScratch, countUtilization, fHighWaterCount);
     out->appendf("\t\tEntry Bytes: current %d (budgeted %d, %.2g%% full, %d unbudgeted) high %d\n",
                  SkToInt(fBytes), SkToInt(fBudgetedBytes), byteUtilization,
                  SkToInt(stats.fUnbudgetedSize), SkToInt(fHighWaterBytes));
 }

 #endif

 ///////////////////////////////////////////////////////////////////////////////

 void GrResourceCache::changeTimestamp(uint32_t newTimestamp) { fTimestamp = newTimestamp; }

 ///////////////////////////////////////////////////////////////////////////////
 // Code for the mock context. It's built on a mock GrGpu class that does nothing.
 ////

 #include "GrGpu.h"

 class GrPipeline;

 class MockGpu : public GrGpu {
 public:
     MockGpu(GrContext* context, const GrContextOptions& options) : INHERITED(context) {
         fCaps.reset(new GrCaps(options));
     }
     ~MockGpu() override {}

     bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
                              GrPixelConfig readConfig, DrawPreference*,
                              ReadPixelTempDrawInfo*) override { return false; }

     bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height, size_t rowBytes,
                               GrPixelConfig srcConfig, DrawPreference*,
                               WritePixelTempDrawInfo*) override { return false; }

     void buildProgramDesc(GrProgramDesc*, const GrPrimitiveProcessor&,
                           const GrPipeline&) const override {}

     void discard(GrRenderTarget*) override {}

     bool onCopySurface(GrSurface* dst,
                        GrSurface* src,
                        const SkIRect& srcRect,
                        const SkIPoint& dstPoint) override { return false; };

     bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const override {
         return false;
     }

 private:
     void onResetContext(uint32_t resetBits) override {}

     void xferBarrier(GrRenderTarget*, GrXferBarrierType) override {}

     GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
                                const void* srcData, size_t rowBytes) override {
         return nullptr;
     }

     GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle,
                                          const void* srcData) override {
         return nullptr;
     }

     GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&,
                                     GrWrapOwnership) override { return nullptr; }

     GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
                                               GrWrapOwnership) override {
         return nullptr;
     }

     GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override { return nullptr; }

     GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override { return nullptr; }

     void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override {}

     void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override {}

     void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override {}

     bool onReadPixels(GrSurface* surface,
                       int left, int top, int width, int height,
                       GrPixelConfig,
                       void* buffer,
                       size_t rowBytes) override {
         return false;
     }

     bool onWritePixels(GrSurface* surface,
                        int left, int top, int width, int height,
                        GrPixelConfig config, const void* buffer,
                        size_t rowBytes) override {
         return false;
     }

     void onResolveRenderTarget(GrRenderTarget* target) override { return; }

     GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*,
                                                                 int width,
                                                                 int height) override {
         return nullptr;
     }

     void clearStencil(GrRenderTarget* target) override  {}

     GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h,
                                                     GrPixelConfig config) const override {
         return 0;
     }
     bool isTestingOnlyBackendTexture(GrBackendObject id) const override { return false; }
     void deleteTestingOnlyBackendTexture(GrBackendObject id) const override {}

     typedef GrGpu INHERITED;
 };

 GrContext* GrContext::CreateMockContext() {
     GrContext* context = new GrContext;

     context->initMockContext();
     return context;
 }

 void GrContext::initMockContext() {
     GrContextOptions options;
     options.fGeometryBufferMapThreshold = 0;
     SkASSERT(nullptr == fGpu);
     fGpu = new MockGpu(this, options);
     SkASSERT(fGpu);
     this->initCommon();

     // We delete these because we want to test the cache starting with zero resources. Also, none of
     // these objects are required for any of tests that use this context. TODO: make stop allocating
     // resources in the buffer pools.
     fDrawingManager->abandon();
 }

	/*
	* Copyright 2013 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#include "GrTest.h"

	#include "GrBatchAtlas.h"
	#include "GrBatchFontCache.h"
	#include "GrContextOptions.h"
	#include "GrDrawingManager.h"
	#include "GrGpuResourceCacheAccess.h"
	#include "GrResourceCache.h"
	#include "GrTextBlobCache.h"
	#include "SkString.h"

	namespace GrTest {
	void SetupAlwaysEvictAtlas(GrContext* context) {
	// These sizes were selected because they allow each atlas to hold a single plot and will thus
	// stress the atlas
	int dim = GrBatchAtlas::kGlyphMaxDim;
	GrBatchAtlasConfig configs[3];
	configs[kA8_GrMaskFormat].fWidth = dim;
	configs[kA8_GrMaskFormat].fHeight = dim;
	configs[kA8_GrMaskFormat].fPlotWidth = dim;
	configs[kA8_GrMaskFormat].fPlotHeight = dim;

	configs[kA565_GrMaskFormat].fWidth = dim;
	configs[kA565_GrMaskFormat].fHeight = dim;
	configs[kA565_GrMaskFormat].fPlotWidth = dim;
	configs[kA565_GrMaskFormat].fPlotHeight = dim;

	configs[kARGB_GrMaskFormat].fWidth = dim;
	configs[kARGB_GrMaskFormat].fHeight = dim;
	configs[kARGB_GrMaskFormat].fPlotWidth = dim;
	configs[kARGB_GrMaskFormat].fPlotHeight = dim;

	context->setTextContextAtlasSizes_ForTesting(configs);
	}
	};

	void GrTestTarget::init(GrContext* ctx, GrDrawTarget* target) {
	SkASSERT(!fContext);

	fContext.reset(SkRef(ctx));
	fDrawTarget.reset(SkRef(target));
	}

	void GrContext::getTestTarget(GrTestTarget* tar) {
	this->flush();
	// We could create a proxy GrDrawTarget that passes through to fGpu until ~GrTextTarget() and
	// then disconnects. This would help prevent test writers from mixing using the returned
	// GrDrawTarget and regular drawing. We could also assert or fail in GrContext drawing methods
	// until ~GrTestTarget().
	SkAutoTUnref<GrDrawTarget> dt(fDrawingManager->newDrawTarget(nullptr));
	tar->init(this, dt);
	}

	void GrContext::setTextBlobCacheLimit_ForTesting(size_t bytes) {
	fTextBlobCache->setBudget(bytes);
	}

	void GrContext::setTextContextAtlasSizes_ForTesting(const GrBatchAtlasConfig* configs) {
	fBatchFontCache->setAtlasSizes_ForTesting(configs);
	}

	///////////////////////////////////////////////////////////////////////////////

	void GrContext::purgeAllUnlockedResources() {
	fResourceCache->purgeAllUnlocked();
	}

	void GrContext::dumpCacheStats(SkString* out) const {
	#if GR_CACHE_STATS
	fResourceCache->dumpStats(out);
	#endif
	}

	void GrContext::printCacheStats() const {
	SkString out;
	this->dumpCacheStats(&out);
	SkDebugf("%s", out.c_str());
	}

	void GrContext::dumpGpuStats(SkString* out) const {
	#if GR_GPU_STATS
	return fGpu->stats()->dump(out);
	#endif
	}

	void GrContext::printGpuStats() const {
	SkString out;
	this->dumpGpuStats(&out);
	SkDebugf("%s", out.c_str());
	}

	#if GR_GPU_STATS
	void GrGpu::Stats::dump(SkString* out) {
	out->appendf("Render Target Binds: %d\n", fRenderTargetBinds);
	out->appendf("Shader Compilations: %d\n", fShaderCompilations);
	out->appendf("Textures Created: %d\n", fTextureCreates);
	out->appendf("Texture Uploads: %d\n", fTextureUploads);
	out->appendf("Stencil Buffer Creates: %d\n", fStencilAttachmentCreates);
	out->appendf("Number of draws: %d\n", fNumDraws);
	}
	#endif

	#if GR_CACHE_STATS
	void GrResourceCache::dumpStats(SkString* out) const {
	this->validate();

	int locked = fNonpurgeableResources.count();

	struct Stats {
	int fScratch;
	int fExternal;
	int fBorrowed;
	int fAdopted;
	size_t fUnbudgetedSize;

	Stats() : fScratch(0), fExternal(0), fBorrowed(0), fAdopted(0), fUnbudgetedSize(0) {}

	void update(GrGpuResource* resource) {
	if (resource->cacheAccess().isScratch()) {
	++fScratch;
	}
	if (resource->cacheAccess().isExternal()) {
	++fExternal;
	}
	if (resource->cacheAccess().isBorrowed()) {
	++fBorrowed;
	}
	if (resource->cacheAccess().isAdopted()) {
	++fAdopted;
	}
	if (!resource->resourcePriv().isBudgeted()) {
	fUnbudgetedSize += resource->gpuMemorySize();
	}
	}
	};

	Stats stats;

	for (int i = 0; i < fNonpurgeableResources.count(); ++i) {
	stats.update(fNonpurgeableResources[i]);
	}
	for (int i = 0; i < fPurgeableQueue.count(); ++i) {
	stats.update(fPurgeableQueue.at(i));
	}

	float countUtilization = (100.f * fBudgetedCount) / fMaxCount;
	float byteUtilization = (100.f * fBudgetedBytes) / fMaxBytes;

	out->appendf("Budget: %d items %d bytes\n", fMaxCount, (int)fMaxBytes);
	out->appendf("\t\tEntry Count: current %d"
	" (%d budgeted, %d external(%d borrowed, %d adopted), %d locked, %d scratch %.2g%% full), high %d\n",
	this->getResourceCount(), fBudgetedCount, stats.fExternal, stats.fBorrowed,
	stats.fAdopted, locked, stats.fScratch, countUtilization, fHighWaterCount);
	out->appendf("\t\tEntry Bytes: current %d (budgeted %d, %.2g%% full, %d unbudgeted) high %d\n",
	SkToInt(fBytes), SkToInt(fBudgetedBytes), byteUtilization,
	SkToInt(stats.fUnbudgetedSize), SkToInt(fHighWaterBytes));
	}

	#endif

	///////////////////////////////////////////////////////////////////////////////

	void GrResourceCache::changeTimestamp(uint32_t newTimestamp) { fTimestamp = newTimestamp; }

	///////////////////////////////////////////////////////////////////////////////
	// Code for the mock context. It's built on a mock GrGpu class that does nothing.
	////

	#include "GrGpu.h"

	class GrPipeline;

	class MockGpu : public GrGpu {
	public:
	MockGpu(GrContext* context, const GrContextOptions& options) : INHERITED(context) {
	fCaps.reset(new GrCaps(options));
	}
	~MockGpu() override {}

	bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
	GrPixelConfig readConfig, DrawPreference*,
	ReadPixelTempDrawInfo*) override { return false; }

	bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height, size_t rowBytes,
	GrPixelConfig srcConfig, DrawPreference*,
	WritePixelTempDrawInfo*) override { return false; }

	void buildProgramDesc(GrProgramDesc*, const GrPrimitiveProcessor&,
	const GrPipeline&) const override {}

	void discard(GrRenderTarget*) override {}

	bool onCopySurface(GrSurface* dst,
	GrSurface* src,
	const SkIRect& srcRect,
	const SkIPoint& dstPoint) override { return false; };

	bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* desc) const override {
	return false;
	}

	private:
	void onResetContext(uint32_t resetBits) override {}

	void xferBarrier(GrRenderTarget*, GrXferBarrierType) override {}

	GrTexture* onCreateTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle lifeCycle,
	const void* srcData, size_t rowBytes) override {
	return nullptr;
	}

	GrTexture* onCreateCompressedTexture(const GrSurfaceDesc& desc, GrGpuResource::LifeCycle,
	const void* srcData) override {
	return nullptr;
	}

	GrTexture* onWrapBackendTexture(const GrBackendTextureDesc&,
	GrWrapOwnership) override { return nullptr; }

	GrRenderTarget* onWrapBackendRenderTarget(const GrBackendRenderTargetDesc&,
	GrWrapOwnership) override {
	return nullptr;
	}

	GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override { return nullptr; }

	GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override { return nullptr; }

	void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override {}

	void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override {}

	void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override {}

	bool onReadPixels(GrSurface* surface,
	int left, int top, int width, int height,
	GrPixelConfig,
	void* buffer,
	size_t rowBytes) override {
	return false;
	}

	bool onWritePixels(GrSurface* surface,
	int left, int top, int width, int height,
	GrPixelConfig config, const void* buffer,
	size_t rowBytes) override {
	return false;
	}

	void onResolveRenderTarget(GrRenderTarget* target) override { return; }

	GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget*,
	int width,
	int height) override {
	return nullptr;
	}

	void clearStencil(GrRenderTarget* target) override {}

	GrBackendObject createTestingOnlyBackendTexture(void* pixels, int w, int h,
	GrPixelConfig config) const override {
	return 0;
	}
	bool isTestingOnlyBackendTexture(GrBackendObject id) const override { return false; }
	void deleteTestingOnlyBackendTexture(GrBackendObject id) const override {}

	typedef GrGpu INHERITED;
	};

	GrContext* GrContext::CreateMockContext() {
	GrContext* context = new GrContext;

	context->initMockContext();
	return context;
	}

	void GrContext::initMockContext() {
	GrContextOptions options;
	options.fGeometryBufferMapThreshold = 0;
	SkASSERT(nullptr == fGpu);
	fGpu = new MockGpu(this, options);
	SkASSERT(fGpu);
	this->initCommon();

	// We delete these because we want to test the cache starting with zero resources. Also, none of
	// these objects are required for any of tests that use this context. TODO: make stop allocating
	// resources in the buffer pools.
	fDrawingManager->abandon();
	}