src/core/SkDeferredDisplayListRecorder.cpp - skia - Git at Google

 /*
  * Copyright 2017 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #include "SkDeferredDisplayListRecorder.h"
 #include "SkMessageBus.h"
 #include "SkDeferredDisplayList.h"
 #include "SkSurface.h"
 #include "SkSurfaceCharacterization.h"

 #if !SK_SUPPORT_GPU
 SkDeferredDisplayListRecorder::SkDeferredDisplayListRecorder(const SkSurfaceCharacterization&) {}

 SkDeferredDisplayListRecorder::~SkDeferredDisplayListRecorder() {}

 bool SkDeferredDisplayListRecorder::init() { return false; }

 SkCanvas* SkDeferredDisplayListRecorder::getCanvas() { return nullptr; }

 std::unique_ptr<SkDeferredDisplayList> SkDeferredDisplayListRecorder::detach() { return nullptr; }

 sk_sp<SkImage> SkDeferredDisplayListRecorder::makePromiseTexture(
         const GrBackendFormat& backendFormat,
         int width,
         int height,
         GrMipMapped mipMapped,
         GrSurfaceOrigin origin,
         SkColorType colorType,
         SkAlphaType alphaType,
         sk_sp<SkColorSpace> colorSpace,
         PromiseImageTextureFulfillProc textureFulfillProc,
         PromiseImageTextureReleaseProc textureReleaseProc,
         PromiseImageTextureDoneProc textureDoneProc,
         PromiseImageTextureContext textureContext,
         PromiseImageApiVersion) {
     return nullptr;
 }

 sk_sp<SkImage> SkDeferredDisplayListRecorder::makeYUVAPromiseTexture(
         SkYUVColorSpace yuvColorSpace,
         const GrBackendFormat yuvaFormats[],
         const SkISize yuvaSizes[],
         const SkYUVAIndex yuvaIndices[4],
         int imageWidth,
         int imageHeight,
         GrSurfaceOrigin imageOrigin,
         sk_sp<SkColorSpace> imageColorSpace,
         PromiseImageTextureFulfillProc textureFulfillProc,
         PromiseImageTextureReleaseProc textureReleaseProc,
         PromiseImageTextureDoneProc textureDoneProc,
         PromiseImageTextureContext textureContexts[],
         PromiseImageApiVersion) {
     return nullptr;
 }

 #else

 #include "GrContextPriv.h"
 #include "GrProxyProvider.h"
 #include "GrRenderTargetContext.h"
 #include "GrTexture.h"
 #include "SkGr.h"
 #include "SkImage_Gpu.h"
 #include "SkImage_GpuYUVA.h"
 #include "SkMakeUnique.h"
 #include "SkPromiseImageTexture.h"
 #include "SkSurface_Gpu.h"
 #include "SkYUVASizeInfo.h"

 SkDeferredDisplayListRecorder::SkDeferredDisplayListRecorder(const SkSurfaceCharacterization& c)
         : fCharacterization(c) {
     if (fCharacterization.isValid()) {
         fContext = GrContextPriv::MakeDDL(fCharacterization.refContextInfo());
     }
 }

 SkDeferredDisplayListRecorder::~SkDeferredDisplayListRecorder() {
     if (fContext) {
         auto proxyProvider = fContext->priv().proxyProvider();

         // This allows the uniquely keyed proxies to keep their keys but removes their back
         // pointer to the about-to-be-deleted proxy provider. The proxies will use their
         // unique key to reattach to cached versions of themselves or to appropriately tag new
         // resources (if a cached version was not found). This system operates independent of
         // the replaying context's proxy provider (i.e., these uniquely keyed proxies will not
         // appear in the replaying proxy providers uniquely keyed proxy map). This should be fine
         // since no one else should be trying to reconnect to the orphaned proxies and orphaned
         // proxies from different DDLs that share the same key should simply reconnect to the
         // same cached resource.
         proxyProvider->orphanAllUniqueKeys();
     }
 }


 bool SkDeferredDisplayListRecorder::init() {
     SkASSERT(fContext);
     SkASSERT(!fLazyProxyData);
     SkASSERT(!fSurface);

     if (!fCharacterization.isValid()) {
         return false;
     }

     fLazyProxyData = sk_sp<SkDeferredDisplayList::LazyProxyData>(
                                                     new SkDeferredDisplayList::LazyProxyData);

     auto proxyProvider = fContext->priv().proxyProvider();

     bool usesGLFBO0 = fCharacterization.usesGLFBO0();
     if (usesGLFBO0) {
         if (GrBackendApi::kOpenGL != fContext->backend() ||
             fCharacterization.isTextureable()) {
             return false;
         }
     }

     if (fCharacterization.vulkanSecondaryCBCompatible()) {
         // Because of the restrictive API allowed for a GrVkSecondaryCBDrawContext, we know ahead
         // of time that we don't be able to support certain parameter combinations. Specifially we
         // fail on usesGLFBO0 since we can't mix GL and Vulkan. We can't have a texturable object.
         // And finally the GrVkSecondaryCBDrawContext always assumes a top left origin.
         if (usesGLFBO0 ||
             fCharacterization.isTextureable() ||
             fCharacterization.origin() == kBottomLeft_GrSurfaceOrigin) {
             return false;
         }
     }

     GrSurfaceDesc desc;
     desc.fFlags = kRenderTarget_GrSurfaceFlag;
     desc.fWidth = fCharacterization.width();
     desc.fHeight = fCharacterization.height();
     desc.fConfig = fCharacterization.config();
     desc.fSampleCnt = fCharacterization.stencilCount();

     sk_sp<SkDeferredDisplayList::LazyProxyData> lazyProxyData = fLazyProxyData;

     // What we're doing here is we're creating a lazy proxy to back the SkSurface. The lazy
     // proxy, when instantiated, will use the GrRenderTarget that backs the SkSurface that the
     // DDL is being replayed into.

     GrInternalSurfaceFlags surfaceFlags = GrInternalSurfaceFlags::kNone;
     if (fContext->priv().caps()->usesMixedSamples() && desc.fSampleCnt > 1 && !usesGLFBO0) {
         // In GL, FBO 0 never supports mixed samples
         surfaceFlags |= GrInternalSurfaceFlags::kMixedSampled;
     }
     if (usesGLFBO0) {
         surfaceFlags |= GrInternalSurfaceFlags::kGLRTFBOIDIs0;
     }
     static constexpr GrProxyProvider::TextureInfo kTextureInfo{GrMipMapped::kNo,
                                                                GrTextureType::k2D};
     const GrProxyProvider::TextureInfo* optionalTextureInfo = nullptr;
     if (fCharacterization.isTextureable()) {
         optionalTextureInfo = &kTextureInfo;
     }

     const GrBackendFormat format = fContext->priv().caps()->getBackendFormatFromColorType(
             fCharacterization.colorType());

     sk_sp<GrRenderTargetProxy> proxy = proxyProvider->createLazyRenderTargetProxy(
             [lazyProxyData](GrResourceProvider* resourceProvider) {
                 // The proxy backing the destination surface had better have been instantiated
                 // prior to the proxy backing the DLL's surface. Steal its GrRenderTarget.
                 SkASSERT(lazyProxyData->fReplayDest->peekSurface());
                 auto surface = sk_ref_sp<GrSurface>(lazyProxyData->fReplayDest->peekSurface());
                 return GrSurfaceProxy::LazyInstantiationResult(std::move(surface));
             },
             format,
             desc,
             fCharacterization.origin(),
             surfaceFlags,
             optionalTextureInfo,
             SkBackingFit::kExact,
             SkBudgeted::kYes,
             fCharacterization.vulkanSecondaryCBCompatible());

     sk_sp<GrSurfaceContext> c = fContext->priv().makeWrappedSurfaceContext(
                                                                  std::move(proxy),
                                                                  fCharacterization.refColorSpace(),
                                                                  &fCharacterization.surfaceProps());
     fSurface = SkSurface_Gpu::MakeWrappedRenderTarget(fContext.get(),
                                                       sk_ref_sp(c->asRenderTargetContext()));
     return SkToBool(fSurface.get());
 }

 SkCanvas* SkDeferredDisplayListRecorder::getCanvas() {
     if (!fContext) {
         return nullptr;
     }

     if (!fSurface && !this->init()) {
         return nullptr;
     }

     return fSurface->getCanvas();
 }

 std::unique_ptr<SkDeferredDisplayList> SkDeferredDisplayListRecorder::detach() {
     if (!fContext) {
         return nullptr;
     }

     if (fSurface) {
         SkCanvas* canvas = fSurface->getCanvas();

         canvas->restoreToCount(0);
     }

     auto ddl = std::unique_ptr<SkDeferredDisplayList>(
                            new SkDeferredDisplayList(fCharacterization, std::move(fLazyProxyData)));

     fContext->priv().moveOpListsToDDL(ddl.get());

     // We want a new lazy proxy target for each recorded DDL so force the (lazy proxy-backed)
     // SkSurface to be regenerated for each DDL.
     fSurface = nullptr;
     return ddl;
 }

 sk_sp<SkImage> SkDeferredDisplayListRecorder::makePromiseTexture(
         const GrBackendFormat& backendFormat,
         int width,
         int height,
         GrMipMapped mipMapped,
         GrSurfaceOrigin origin,
         SkColorType colorType,
         SkAlphaType alphaType,
         sk_sp<SkColorSpace> colorSpace,
         PromiseImageTextureFulfillProc textureFulfillProc,
         PromiseImageTextureReleaseProc textureReleaseProc,
         PromiseImageTextureDoneProc textureDoneProc,
         PromiseImageTextureContext textureContext,
         PromiseImageApiVersion version) {
     if (!fContext) {
         return nullptr;
     }

     return SkImage_Gpu::MakePromiseTexture(fContext.get(),
                                            backendFormat,
                                            width,
                                            height,
                                            mipMapped,
                                            origin,
                                            colorType,
                                            alphaType,
                                            std::move(colorSpace),
                                            textureFulfillProc,
                                            textureReleaseProc,
                                            textureDoneProc,
                                            textureContext,
                                            version);
 }

 sk_sp<SkImage> SkDeferredDisplayListRecorder::makeYUVAPromiseTexture(
         SkYUVColorSpace yuvColorSpace,
         const GrBackendFormat yuvaFormats[],
         const SkISize yuvaSizes[],
         const SkYUVAIndex yuvaIndices[4],
         int imageWidth,
         int imageHeight,
         GrSurfaceOrigin imageOrigin,
         sk_sp<SkColorSpace> imageColorSpace,
         PromiseImageTextureFulfillProc textureFulfillProc,
         PromiseImageTextureReleaseProc textureReleaseProc,
         PromiseImageTextureDoneProc textureDoneProc,
         PromiseImageTextureContext textureContexts[],
         PromiseImageApiVersion version) {
     if (!fContext) {
         return nullptr;
     }

     return SkImage_GpuYUVA::MakePromiseYUVATexture(fContext.get(),
                                                    yuvColorSpace,
                                                    yuvaFormats,
                                                    yuvaSizes,
                                                    yuvaIndices,
                                                    imageWidth,
                                                    imageHeight,
                                                    imageOrigin,
                                                    std::move(imageColorSpace),
                                                    textureFulfillProc,
                                                    textureReleaseProc,
                                                    textureDoneProc,
                                                    textureContexts,
                                                    version);
 }

 #endif
	/*
	* Copyright 2017 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#include "SkDeferredDisplayListRecorder.h"
	#include "SkMessageBus.h"
	#include "SkDeferredDisplayList.h"
	#include "SkSurface.h"
	#include "SkSurfaceCharacterization.h"

	#if !SK_SUPPORT_GPU
	SkDeferredDisplayListRecorder::SkDeferredDisplayListRecorder(const SkSurfaceCharacterization&) {}

	SkDeferredDisplayListRecorder::~SkDeferredDisplayListRecorder() {}

	bool SkDeferredDisplayListRecorder::init() { return false; }

	SkCanvas* SkDeferredDisplayListRecorder::getCanvas() { return nullptr; }

	std::unique_ptr<SkDeferredDisplayList> SkDeferredDisplayListRecorder::detach() { return nullptr; }

	sk_sp<SkImage> SkDeferredDisplayListRecorder::makePromiseTexture(
	const GrBackendFormat& backendFormat,
	int width,
	int height,
	GrMipMapped mipMapped,
	GrSurfaceOrigin origin,
	SkColorType colorType,
	SkAlphaType alphaType,
	sk_sp<SkColorSpace> colorSpace,
	PromiseImageTextureFulfillProc textureFulfillProc,
	PromiseImageTextureReleaseProc textureReleaseProc,
	PromiseImageTextureDoneProc textureDoneProc,
	PromiseImageTextureContext textureContext,
	PromiseImageApiVersion) {
	return nullptr;
	}

	sk_sp<SkImage> SkDeferredDisplayListRecorder::makeYUVAPromiseTexture(
	SkYUVColorSpace yuvColorSpace,
	const GrBackendFormat yuvaFormats[],
	const SkISize yuvaSizes[],
	const SkYUVAIndex yuvaIndices[4],
	int imageWidth,
	int imageHeight,
	GrSurfaceOrigin imageOrigin,
	sk_sp<SkColorSpace> imageColorSpace,
	PromiseImageTextureFulfillProc textureFulfillProc,
	PromiseImageTextureReleaseProc textureReleaseProc,
	PromiseImageTextureDoneProc textureDoneProc,
	PromiseImageTextureContext textureContexts[],
	PromiseImageApiVersion) {
	return nullptr;
	}

	#else

	#include "GrContextPriv.h"
	#include "GrProxyProvider.h"
	#include "GrRenderTargetContext.h"
	#include "GrTexture.h"
	#include "SkGr.h"
	#include "SkImage_Gpu.h"
	#include "SkImage_GpuYUVA.h"
	#include "SkMakeUnique.h"
	#include "SkPromiseImageTexture.h"
	#include "SkSurface_Gpu.h"
	#include "SkYUVASizeInfo.h"

	SkDeferredDisplayListRecorder::SkDeferredDisplayListRecorder(const SkSurfaceCharacterization& c)
	: fCharacterization(c) {
	if (fCharacterization.isValid()) {
	fContext = GrContextPriv::MakeDDL(fCharacterization.refContextInfo());
	}
	}

	SkDeferredDisplayListRecorder::~SkDeferredDisplayListRecorder() {
	if (fContext) {
	auto proxyProvider = fContext->priv().proxyProvider();

	// This allows the uniquely keyed proxies to keep their keys but removes their back
	// pointer to the about-to-be-deleted proxy provider. The proxies will use their
	// unique key to reattach to cached versions of themselves or to appropriately tag new
	// resources (if a cached version was not found). This system operates independent of
	// the replaying context's proxy provider (i.e., these uniquely keyed proxies will not
	// appear in the replaying proxy providers uniquely keyed proxy map). This should be fine
	// since no one else should be trying to reconnect to the orphaned proxies and orphaned
	// proxies from different DDLs that share the same key should simply reconnect to the
	// same cached resource.
	proxyProvider->orphanAllUniqueKeys();
	}
	}


	bool SkDeferredDisplayListRecorder::init() {
	SkASSERT(fContext);
	SkASSERT(!fLazyProxyData);
	SkASSERT(!fSurface);

	if (!fCharacterization.isValid()) {
	return false;
	}

	fLazyProxyData = sk_sp<SkDeferredDisplayList::LazyProxyData>(
	new SkDeferredDisplayList::LazyProxyData);

	auto proxyProvider = fContext->priv().proxyProvider();

	bool usesGLFBO0 = fCharacterization.usesGLFBO0();
	if (usesGLFBO0) {
	if (GrBackendApi::kOpenGL != fContext->backend() \|\|
	fCharacterization.isTextureable()) {
	return false;
	}
	}

	if (fCharacterization.vulkanSecondaryCBCompatible()) {
	// Because of the restrictive API allowed for a GrVkSecondaryCBDrawContext, we know ahead
	// of time that we don't be able to support certain parameter combinations. Specifially we
	// fail on usesGLFBO0 since we can't mix GL and Vulkan. We can't have a texturable object.
	// And finally the GrVkSecondaryCBDrawContext always assumes a top left origin.
	if (usesGLFBO0 \|\|
	fCharacterization.isTextureable() \|\|
	fCharacterization.origin() == kBottomLeft_GrSurfaceOrigin) {
	return false;
	}
	}

	GrSurfaceDesc desc;
	desc.fFlags = kRenderTarget_GrSurfaceFlag;
	desc.fWidth = fCharacterization.width();
	desc.fHeight = fCharacterization.height();
	desc.fConfig = fCharacterization.config();
	desc.fSampleCnt = fCharacterization.stencilCount();

	sk_sp<SkDeferredDisplayList::LazyProxyData> lazyProxyData = fLazyProxyData;

	// What we're doing here is we're creating a lazy proxy to back the SkSurface. The lazy
	// proxy, when instantiated, will use the GrRenderTarget that backs the SkSurface that the
	// DDL is being replayed into.

	GrInternalSurfaceFlags surfaceFlags = GrInternalSurfaceFlags::kNone;
	if (fContext->priv().caps()->usesMixedSamples() && desc.fSampleCnt > 1 && !usesGLFBO0) {
	// In GL, FBO 0 never supports mixed samples
	surfaceFlags \|= GrInternalSurfaceFlags::kMixedSampled;
	}
	if (usesGLFBO0) {
	surfaceFlags \|= GrInternalSurfaceFlags::kGLRTFBOIDIs0;
	}
	static constexpr GrProxyProvider::TextureInfo kTextureInfo{GrMipMapped::kNo,
	GrTextureType::k2D};
	const GrProxyProvider::TextureInfo* optionalTextureInfo = nullptr;
	if (fCharacterization.isTextureable()) {
	optionalTextureInfo = &kTextureInfo;
	}

	const GrBackendFormat format = fContext->priv().caps()->getBackendFormatFromColorType(
	fCharacterization.colorType());

	sk_sp<GrRenderTargetProxy> proxy = proxyProvider->createLazyRenderTargetProxy(
	[lazyProxyData](GrResourceProvider* resourceProvider) {
	// The proxy backing the destination surface had better have been instantiated
	// prior to the proxy backing the DLL's surface. Steal its GrRenderTarget.
	SkASSERT(lazyProxyData->fReplayDest->peekSurface());
	auto surface = sk_ref_sp<GrSurface>(lazyProxyData->fReplayDest->peekSurface());
	return GrSurfaceProxy::LazyInstantiationResult(std::move(surface));
	},
	format,
	desc,
	fCharacterization.origin(),
	surfaceFlags,
	optionalTextureInfo,
	SkBackingFit::kExact,
	SkBudgeted::kYes,
	fCharacterization.vulkanSecondaryCBCompatible());

	sk_sp<GrSurfaceContext> c = fContext->priv().makeWrappedSurfaceContext(
	std::move(proxy),
	fCharacterization.refColorSpace(),
	&fCharacterization.surfaceProps());
	fSurface = SkSurface_Gpu::MakeWrappedRenderTarget(fContext.get(),
	sk_ref_sp(c->asRenderTargetContext()));
	return SkToBool(fSurface.get());
	}

	SkCanvas* SkDeferredDisplayListRecorder::getCanvas() {
	if (!fContext) {
	return nullptr;
	}

	if (!fSurface && !this->init()) {
	return nullptr;
	}

	return fSurface->getCanvas();
	}

	std::unique_ptr<SkDeferredDisplayList> SkDeferredDisplayListRecorder::detach() {
	if (!fContext) {
	return nullptr;
	}

	if (fSurface) {
	SkCanvas* canvas = fSurface->getCanvas();

	canvas->restoreToCount(0);
	}

	auto ddl = std::unique_ptr<SkDeferredDisplayList>(
	new SkDeferredDisplayList(fCharacterization, std::move(fLazyProxyData)));

	fContext->priv().moveOpListsToDDL(ddl.get());

	// We want a new lazy proxy target for each recorded DDL so force the (lazy proxy-backed)
	// SkSurface to be regenerated for each DDL.
	fSurface = nullptr;
	return ddl;
	}

	sk_sp<SkImage> SkDeferredDisplayListRecorder::makePromiseTexture(
	const GrBackendFormat& backendFormat,
	int width,
	int height,
	GrMipMapped mipMapped,
	GrSurfaceOrigin origin,
	SkColorType colorType,
	SkAlphaType alphaType,
	sk_sp<SkColorSpace> colorSpace,
	PromiseImageTextureFulfillProc textureFulfillProc,
	PromiseImageTextureReleaseProc textureReleaseProc,
	PromiseImageTextureDoneProc textureDoneProc,
	PromiseImageTextureContext textureContext,
	PromiseImageApiVersion version) {
	if (!fContext) {
	return nullptr;
	}

	return SkImage_Gpu::MakePromiseTexture(fContext.get(),
	backendFormat,
	width,
	height,
	mipMapped,
	origin,
	colorType,
	alphaType,
	std::move(colorSpace),
	textureFulfillProc,
	textureReleaseProc,
	textureDoneProc,
	textureContext,
	version);
	}

	sk_sp<SkImage> SkDeferredDisplayListRecorder::makeYUVAPromiseTexture(
	SkYUVColorSpace yuvColorSpace,
	const GrBackendFormat yuvaFormats[],
	const SkISize yuvaSizes[],
	const SkYUVAIndex yuvaIndices[4],
	int imageWidth,
	int imageHeight,
	GrSurfaceOrigin imageOrigin,
	sk_sp<SkColorSpace> imageColorSpace,
	PromiseImageTextureFulfillProc textureFulfillProc,
	PromiseImageTextureReleaseProc textureReleaseProc,
	PromiseImageTextureDoneProc textureDoneProc,
	PromiseImageTextureContext textureContexts[],
	PromiseImageApiVersion version) {
	if (!fContext) {
	return nullptr;
	}

	return SkImage_GpuYUVA::MakePromiseYUVATexture(fContext.get(),
	yuvColorSpace,
	yuvaFormats,
	yuvaSizes,
	yuvaIndices,
	imageWidth,
	imageHeight,
	imageOrigin,
	std::move(imageColorSpace),
	textureFulfillProc,
	textureReleaseProc,
	textureDoneProc,
	textureContexts,
	version);
	}

	#endif