| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkSurfaceCharacterization.h" |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrTexture.h" |
| #include "include/private/GrRecordingContext.h" |
| #include "include/private/SkDeferredDisplayList.h" |
| #include "src/core/SkImagePriv.h" |
| #include "src/gpu/GrAHardwareBufferUtils.h" |
| #include "src/gpu/GrCaps.h" |
| #include "src/gpu/GrContextPriv.h" |
| #include "src/gpu/GrContextThreadSafeProxyPriv.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/GrRenderTarget.h" |
| #include "src/gpu/GrRenderTargetContextPriv.h" |
| #include "src/gpu/GrRenderTargetProxyPriv.h" |
| #include "src/gpu/SkGpuDevice.h" |
| #include "src/image/SkImage_Base.h" |
| #include "src/image/SkImage_Gpu.h" |
| #include "src/image/SkSurface_Base.h" |
| #include "src/image/SkSurface_Gpu.h" |
| |
| #if SK_SUPPORT_GPU |
| |
| SkSurface_Gpu::SkSurface_Gpu(sk_sp<SkGpuDevice> device) |
| : INHERITED(device->width(), device->height(), &device->surfaceProps()) |
| , fDevice(std::move(device)) { |
| SkASSERT(fDevice->accessRenderTargetContext()->asSurfaceProxy()->priv().isExact()); |
| } |
| |
| SkSurface_Gpu::~SkSurface_Gpu() { |
| } |
| |
| static GrRenderTarget* prepare_rt_for_external_access(SkSurface_Gpu* surface, |
| SkSurface::BackendHandleAccess access) { |
| switch (access) { |
| case SkSurface::kFlushRead_BackendHandleAccess: |
| break; |
| case SkSurface::kFlushWrite_BackendHandleAccess: |
| case SkSurface::kDiscardWrite_BackendHandleAccess: |
| // for now we don't special-case on Discard, but we may in the future. |
| surface->notifyContentWillChange(SkSurface::kRetain_ContentChangeMode); |
| break; |
| } |
| |
| // Grab the render target *after* firing notifications, as it may get switched if CoW kicks in. |
| surface->getDevice()->flush(SkSurface::BackendSurfaceAccess::kNoAccess, GrFlushInfo()); |
| GrRenderTargetContext* rtc = surface->getDevice()->accessRenderTargetContext(); |
| return rtc->accessRenderTarget(); |
| } |
| |
| GrBackendTexture SkSurface_Gpu::onGetBackendTexture(BackendHandleAccess access) { |
| GrRenderTarget* rt = prepare_rt_for_external_access(this, access); |
| if (!rt) { |
| return GrBackendTexture(); // invalid |
| } |
| GrTexture* texture = rt->asTexture(); |
| if (texture) { |
| return texture->getBackendTexture(); |
| } |
| return GrBackendTexture(); // invalid |
| } |
| |
| GrBackendRenderTarget SkSurface_Gpu::onGetBackendRenderTarget(BackendHandleAccess access) { |
| GrRenderTarget* rt = prepare_rt_for_external_access(this, access); |
| if (!rt) { |
| return GrBackendRenderTarget(); // invalid |
| } |
| |
| return rt->getBackendRenderTarget(); |
| } |
| |
| SkCanvas* SkSurface_Gpu::onNewCanvas() { return new SkCanvas(fDevice); } |
| |
| sk_sp<SkSurface> SkSurface_Gpu::onNewSurface(const SkImageInfo& info) { |
| int sampleCount = fDevice->accessRenderTargetContext()->numSamples(); |
| GrSurfaceOrigin origin = fDevice->accessRenderTargetContext()->origin(); |
| // TODO: Make caller specify this (change virtual signature of onNewSurface). |
| static const SkBudgeted kBudgeted = SkBudgeted::kNo; |
| return SkSurface::MakeRenderTarget(fDevice->context(), kBudgeted, info, sampleCount, |
| origin, &this->props()); |
| } |
| |
| sk_sp<SkImage> SkSurface_Gpu::onNewImageSnapshot(const SkIRect* subset) { |
| GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| GrContext* ctx = fDevice->context(); |
| |
| if (!rtc->asSurfaceProxy()) { |
| return nullptr; |
| } |
| |
| SkBudgeted budgeted = rtc->asSurfaceProxy()->isBudgeted(); |
| |
| GrSurfaceProxyView srcView; |
| if (subset) { |
| srcView = GrSurfaceProxy::Copy(ctx, rtc->asSurfaceProxy(), rtc->origin(), |
| rtc->colorInfo().colorType(), rtc->mipMapped(), *subset, |
| SkBackingFit::kExact, budgeted); |
| } else if (!rtc->asTextureProxy() || rtc->priv().refsWrappedObjects()) { |
| // If the original render target is a buffer originally created by the client, then we don't |
| // want to ever retarget the SkSurface at another buffer we create. Force a copy now to |
| // avoid copy-on-write. |
| srcView = GrSurfaceProxy::Copy(ctx, rtc->asSurfaceProxy(), rtc->origin(), |
| rtc->colorInfo().colorType(), rtc->mipMapped(), |
| SkBackingFit::kExact, budgeted); |
| } else { |
| srcView = rtc->readSurfaceView(); |
| } |
| |
| const SkImageInfo info = fDevice->imageInfo(); |
| sk_sp<SkImage> image; |
| if (srcView.asTextureProxy()) { |
| // The renderTargetContext coming out of SkGpuDevice should always be exact and the |
| // above copy creates a kExact surfaceContext. |
| SkASSERT(srcView.proxy()->priv().isExact()); |
| image = sk_make_sp<SkImage_Gpu>(sk_ref_sp(ctx), kNeedNewImageUniqueID, std::move(srcView), |
| info.colorType(), info.alphaType(), info.refColorSpace()); |
| } |
| return image; |
| } |
| |
| void SkSurface_Gpu::onWritePixels(const SkPixmap& src, int x, int y) { |
| fDevice->writePixels(src, x, y); |
| } |
| |
| void SkSurface_Gpu::onAsyncRescaleAndReadPixels(const SkImageInfo& info, |
| const SkIRect& srcRect, |
| RescaleGamma rescaleGamma, |
| SkFilterQuality rescaleQuality, |
| ReadPixelsCallback callback, |
| ReadPixelsContext context) { |
| auto* rtc = this->fDevice->accessRenderTargetContext(); |
| rtc->asyncRescaleAndReadPixels(info, srcRect, rescaleGamma, rescaleQuality, callback, context); |
| } |
| |
| void SkSurface_Gpu::onAsyncRescaleAndReadPixelsYUV420(SkYUVColorSpace yuvColorSpace, |
| sk_sp<SkColorSpace> dstColorSpace, |
| const SkIRect& srcRect, |
| const SkISize& dstSize, |
| RescaleGamma rescaleGamma, |
| SkFilterQuality rescaleQuality, |
| ReadPixelsCallback callback, |
| ReadPixelsContext context) { |
| auto* rtc = this->fDevice->accessRenderTargetContext(); |
| rtc->asyncRescaleAndReadPixelsYUV420(yuvColorSpace, |
| std::move(dstColorSpace), |
| srcRect, |
| dstSize, |
| rescaleGamma, |
| rescaleQuality, |
| callback, |
| context); |
| } |
| |
| // Create a new render target and, if necessary, copy the contents of the old |
| // render target into it. Note that this flushes the SkGpuDevice but |
| // doesn't force an OpenGL flush. |
| void SkSurface_Gpu::onCopyOnWrite(ContentChangeMode mode) { |
| GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); |
| |
| // are we sharing our backing proxy with the image? Note this call should never create a new |
| // image because onCopyOnWrite is only called when there is a cached image. |
| sk_sp<SkImage> image(this->refCachedImage()); |
| SkASSERT(image); |
| |
| GrSurfaceProxy* imageProxy = ((SkImage_Base*) image.get())->peekProxy(); |
| SkASSERT(imageProxy); |
| |
| if (rtc->asSurfaceProxy()->underlyingUniqueID() == imageProxy->underlyingUniqueID()) { |
| fDevice->replaceRenderTargetContext(SkSurface::kRetain_ContentChangeMode == mode); |
| } else if (kDiscard_ContentChangeMode == mode) { |
| this->SkSurface_Gpu::onDiscard(); |
| } |
| } |
| |
| void SkSurface_Gpu::onDiscard() { |
| fDevice->accessRenderTargetContext()->discard(); |
| } |
| |
| GrSemaphoresSubmitted SkSurface_Gpu::onFlush(BackendSurfaceAccess access, |
| const GrFlushInfo& info) { |
| return fDevice->flush(access, info); |
| } |
| |
| bool SkSurface_Gpu::onWait(int numSemaphores, const GrBackendSemaphore* waitSemaphores) { |
| return fDevice->wait(numSemaphores, waitSemaphores); |
| } |
| |
| bool SkSurface_Gpu::onCharacterize(SkSurfaceCharacterization* characterization) const { |
| GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); |
| GrContext* ctx = fDevice->context(); |
| |
| size_t maxResourceBytes = ctx->getResourceCacheLimit(); |
| |
| bool mipmapped = rtc->asTextureProxy() ? GrMipMapped::kYes == rtc->asTextureProxy()->mipMapped() |
| : false; |
| |
| SkColorType ct = GrColorTypeToSkColorType(rtc->colorInfo().colorType()); |
| if (ct == kUnknown_SkColorType) { |
| return false; |
| } |
| |
| bool usesGLFBO0 = rtc->asRenderTargetProxy()->rtPriv().glRTFBOIDIs0(); |
| // We should never get in the situation where we have a texture render target that is also |
| // backend by FBO 0. |
| SkASSERT(!usesGLFBO0 || !SkToBool(rtc->asTextureProxy())); |
| |
| SkImageInfo ii = SkImageInfo::Make(rtc->width(), rtc->height(), ct, kPremul_SkAlphaType, |
| rtc->colorInfo().refColorSpace()); |
| |
| GrBackendFormat format = rtc->asSurfaceProxy()->backendFormat(); |
| |
| characterization->set(ctx->threadSafeProxy(), maxResourceBytes, ii, format, |
| rtc->origin(), rtc->numSamples(), |
| SkSurfaceCharacterization::Textureable(SkToBool(rtc->asTextureProxy())), |
| SkSurfaceCharacterization::MipMapped(mipmapped), |
| SkSurfaceCharacterization::UsesGLFBO0(usesGLFBO0), |
| SkSurfaceCharacterization::VulkanSecondaryCBCompatible(false), |
| rtc->asRenderTargetProxy()->isProtected(), |
| this->props()); |
| return true; |
| } |
| |
| void SkSurface_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y, const SkPaint* paint) { |
| // If the dst is also GPU we try to not force a new image snapshot (by calling the base class |
| // onDraw) since that may not always perform the copy-on-write optimization. |
| auto tryDraw = [&] { |
| SkASSERT(fDevice->context()->priv().asDirectContext()); |
| GrContext* context = fDevice->context(); |
| GrContext* canvasContext = canvas->getGrContext(); |
| if (!canvasContext) { |
| return false; |
| } |
| if (!canvasContext->priv().asDirectContext() || |
| canvasContext->priv().contextID() != context->priv().contextID()) { |
| return false; |
| } |
| GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); |
| if (!rtc) { |
| return false; |
| } |
| sk_sp<GrTextureProxy> srcProxy = rtc->asTextureProxyRef(); |
| if (!srcProxy) { |
| return false; |
| } |
| // Possibly we could skip making an image here if SkGpuDevice exposed a lower level way |
| // of drawing a texture proxy. |
| const SkImageInfo info = fDevice->imageInfo(); |
| GrSurfaceProxyView view(std::move(srcProxy), rtc->origin(), rtc->readSwizzle()); |
| sk_sp<SkImage> image; |
| image = sk_make_sp<SkImage_Gpu>(sk_ref_sp(context), kNeedNewImageUniqueID, std::move(view), |
| info.colorType(), info.alphaType(), info.refColorSpace()); |
| canvas->drawImage(image, x, y, paint); |
| return true; |
| }; |
| if (!tryDraw()) { |
| INHERITED::onDraw(canvas, x, y, paint); |
| } |
| } |
| |
| bool SkSurface_Gpu::onIsCompatible(const SkSurfaceCharacterization& characterization) const { |
| GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); |
| GrContext* ctx = fDevice->context(); |
| |
| if (!characterization.isValid()) { |
| return false; |
| } |
| |
| if (characterization.vulkanSecondaryCBCompatible()) { |
| return false; |
| } |
| |
| // As long as the current state if the context allows for greater or equal resources, |
| // we allow the DDL to be replayed. |
| // DDL TODO: should we just remove the resource check and ignore the cache limits on playback? |
| size_t maxResourceBytes = ctx->getResourceCacheLimit(); |
| |
| if (characterization.isTextureable()) { |
| if (!rtc->asTextureProxy()) { |
| // If the characterization was textureable we require the replay dest to also be |
| // textureable. If the characterized surface wasn't textureable we allow the replay |
| // dest to be textureable. |
| return false; |
| } |
| |
| if (characterization.isMipMapped() && |
| GrMipMapped::kNo == rtc->asTextureProxy()->mipMapped()) { |
| // Fail if the DDL's surface was mipmapped but the replay surface is not. |
| // Allow drawing to proceed if the DDL was not mipmapped but the replay surface is. |
| return false; |
| } |
| } |
| |
| if (characterization.usesGLFBO0() != rtc->asRenderTargetProxy()->rtPriv().glRTFBOIDIs0()) { |
| return false; |
| } |
| |
| SkColorType rtcColorType = GrColorTypeToSkColorType(rtc->colorInfo().colorType()); |
| if (rtcColorType == kUnknown_SkColorType) { |
| return false; |
| } |
| |
| GrProtected isProtected = rtc->asSurfaceProxy()->isProtected(); |
| |
| return characterization.contextInfo() && characterization.contextInfo()->priv().matches(ctx) && |
| characterization.cacheMaxResourceBytes() <= maxResourceBytes && |
| characterization.origin() == rtc->origin() && |
| characterization.backendFormat() == rtc->asSurfaceProxy()->backendFormat() && |
| characterization.width() == rtc->width() && characterization.height() == rtc->height() && |
| characterization.colorType() == rtcColorType && |
| characterization.sampleCount() == rtc->numSamples() && |
| SkColorSpace::Equals(characterization.colorSpace(), rtc->colorInfo().colorSpace()) && |
| characterization.isProtected() == isProtected && |
| characterization.surfaceProps() == rtc->surfaceProps(); |
| } |
| |
| bool SkSurface_Gpu::onDraw(const SkDeferredDisplayList* ddl) { |
| if (!ddl || !this->isCompatible(ddl->characterization())) { |
| return false; |
| } |
| |
| GrRenderTargetContext* rtc = fDevice->accessRenderTargetContext(); |
| GrContext* ctx = fDevice->context(); |
| |
| ctx->priv().copyRenderTasksFromDDL(ddl, rtc->asRenderTargetProxy()); |
| return true; |
| } |
| |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| sk_sp<SkSurface> SkSurface::MakeRenderTarget(GrRecordingContext* context, |
| const SkSurfaceCharacterization& c, |
| SkBudgeted budgeted) { |
| if (!context || !c.isValid()) { |
| return nullptr; |
| } |
| |
| if (c.usesGLFBO0()) { |
| // If we are making the surface we will never use FBO0. |
| return nullptr; |
| } |
| |
| if (c.vulkanSecondaryCBCompatible()) { |
| return nullptr; |
| } |
| |
| GrColorType grColorType = SkColorTypeToGrColorType(c.colorType()); |
| |
| auto rtc = GrRenderTargetContext::Make( |
| context, grColorType, c.refColorSpace(), SkBackingFit::kExact, |
| {c.width(), c.height()}, c.sampleCount(), GrMipMapped(c.isMipMapped()), c.isProtected(), |
| c.origin(), budgeted, &c.surfaceProps()); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| // CONTEXT TODO: remove this use of 'backdoor' to create an SkGpuDevice |
| sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context->priv().backdoor(), std::move(rtc), |
| SkGpuDevice::kClear_InitContents)); |
| if (!device) { |
| return nullptr; |
| } |
| |
| sk_sp<SkSurface> result = sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| #ifdef SK_DEBUG |
| if (result) { |
| SkASSERT(result->isCompatible(c)); |
| } |
| #endif |
| |
| return result; |
| } |
| |
| static bool validate_backend_texture(const GrCaps* caps, const GrBackendTexture& tex, |
| int sampleCnt, GrColorType grCT, |
| bool texturable) { |
| if (!tex.isValid()) { |
| return false; |
| } |
| |
| GrBackendFormat backendFormat = tex.getBackendFormat(); |
| if (!backendFormat.isValid()) { |
| return false; |
| } |
| |
| if (!caps->areColorTypeAndFormatCompatible(grCT, backendFormat)) { |
| return false; |
| } |
| |
| if (!caps->isFormatAsColorTypeRenderable(grCT, backendFormat, sampleCnt)) { |
| return false; |
| } |
| |
| if (texturable && !caps->isFormatTexturable(backendFormat)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| sk_sp<SkSurface> SkSurface::MakeFromBackendTexture(GrContext* context, |
| const SkSurfaceCharacterization& c, |
| const GrBackendTexture& backendTexture, |
| TextureReleaseProc textureReleaseProc, |
| ReleaseContext releaseContext) { |
| if (!context || !c.isValid()) { |
| return nullptr; |
| } |
| |
| if (c.usesGLFBO0()) { |
| // If we are making the surface we will never use FBO0. |
| return nullptr; |
| } |
| |
| if (!c.isCompatible(backendTexture)) { |
| return nullptr; |
| } |
| |
| GrColorType grCT = SkColorTypeAndFormatToGrColorType(context->priv().caps(), c.colorType(), |
| backendTexture.getBackendFormat()); |
| if (grCT == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| |
| if (!validate_backend_texture(context->priv().caps(), backendTexture, |
| c.sampleCount(), grCT, true)) { |
| return nullptr; |
| } |
| |
| auto rtc = GrRenderTargetContext::MakeFromBackendTexture( |
| context, grCT, c.refColorSpace(), backendTexture, c.sampleCount(), c.origin(), |
| &c.surfaceProps(), textureReleaseProc, releaseContext); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| auto device = SkGpuDevice::Make(context, std::move(rtc), SkGpuDevice::kUninit_InitContents); |
| if (!device) { |
| return nullptr; |
| } |
| |
| sk_sp<SkSurface> result = sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| #ifdef SK_DEBUG |
| if (result) { |
| SkASSERT(result->isCompatible(c)); |
| } |
| #endif |
| |
| return result; |
| } |
| |
| sk_sp<SkSurface> SkSurface::MakeRenderTarget(GrContext* ctx, SkBudgeted budgeted, |
| const SkImageInfo& info, int sampleCount, |
| GrSurfaceOrigin origin, const SkSurfaceProps* props, |
| bool shouldCreateWithMips) { |
| if (!ctx) { |
| return nullptr; |
| } |
| sampleCount = std::max(1, sampleCount); |
| GrMipMapped mipMapped = shouldCreateWithMips ? GrMipMapped::kYes : GrMipMapped::kNo; |
| |
| if (!ctx->priv().caps()->mipMapSupport()) { |
| mipMapped = GrMipMapped::kNo; |
| } |
| |
| sk_sp<SkGpuDevice> device(SkGpuDevice::Make( |
| ctx, budgeted, info, sampleCount, origin, props, mipMapped, |
| SkGpuDevice::kClear_InitContents)); |
| if (!device) { |
| return nullptr; |
| } |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| sk_sp<SkSurface> SkSurface_Gpu::MakeWrappedRenderTarget( |
| GrContext* context, std::unique_ptr<GrRenderTargetContext> rtc) { |
| if (!context) { |
| return nullptr; |
| } |
| |
| auto device = SkGpuDevice::Make(context, std::move(rtc), SkGpuDevice::kUninit_InitContents); |
| if (!device) { |
| return nullptr; |
| } |
| |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| sk_sp<SkSurface> SkSurface::MakeFromBackendTexture(GrContext* context, const GrBackendTexture& tex, |
| GrSurfaceOrigin origin, int sampleCnt, |
| SkColorType colorType, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props, |
| SkSurface::TextureReleaseProc textureReleaseProc, |
| SkSurface::ReleaseContext releaseContext) { |
| if (!context) { |
| return nullptr; |
| } |
| sampleCnt = std::max(1, sampleCnt); |
| |
| GrColorType grColorType = SkColorTypeAndFormatToGrColorType(context->priv().caps(), colorType, |
| tex.getBackendFormat()); |
| if (grColorType == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| |
| if (!validate_backend_texture(context->priv().caps(), tex, sampleCnt, grColorType, true)) { |
| return nullptr; |
| } |
| |
| auto rtc = GrRenderTargetContext::MakeFromBackendTexture( |
| context, grColorType, std::move(colorSpace), tex, sampleCnt, origin, props, |
| textureReleaseProc, releaseContext); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| auto device = SkGpuDevice::Make(context, std::move(rtc), SkGpuDevice::kUninit_InitContents); |
| if (!device) { |
| return nullptr; |
| } |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| bool SkSurface_Gpu::onReplaceBackendTexture(const GrBackendTexture& backendTexture, |
| GrSurfaceOrigin origin, TextureReleaseProc releaseProc, |
| ReleaseContext releaseContext) { |
| auto context = this->fDevice->context(); |
| if (context->abandoned()) { |
| return false; |
| } |
| if (!backendTexture.isValid()) { |
| return false; |
| } |
| if (backendTexture.width() != this->width() || backendTexture.height() != this->height()) { |
| return false; |
| } |
| auto* oldRTC = fDevice->accessRenderTargetContext(); |
| auto oldProxy = sk_ref_sp(oldRTC->asTextureProxy()); |
| if (!oldProxy) { |
| return false; |
| } |
| auto* oldTexture = oldProxy->peekTexture(); |
| if (!oldTexture) { |
| return false; |
| } |
| if (!oldTexture->resourcePriv().refsWrappedObjects()) { |
| return false; |
| } |
| if (oldTexture->backendFormat() != backendTexture.getBackendFormat()) { |
| return false; |
| } |
| if (oldTexture->getBackendTexture().isSameTexture(backendTexture)) { |
| return false; |
| } |
| SkASSERT(oldTexture->asRenderTarget()); |
| int sampleCnt = oldTexture->asRenderTarget()->numSamples(); |
| GrColorType grColorType = SkColorTypeToGrColorType(this->getCanvas()->imageInfo().colorType()); |
| auto colorSpace = sk_ref_sp(oldRTC->colorInfo().colorSpace()); |
| if (!validate_backend_texture(context->priv().caps(), backendTexture, |
| sampleCnt, grColorType, true)) { |
| return false; |
| } |
| auto rtc = GrRenderTargetContext::MakeFromBackendTexture( |
| context, oldRTC->colorInfo().colorType(), std::move(colorSpace), backendTexture, |
| sampleCnt, origin, &this->props(), releaseProc, releaseContext); |
| if (!rtc) { |
| return false; |
| } |
| fDevice->replaceRenderTargetContext(std::move(rtc), true); |
| return true; |
| } |
| |
| bool validate_backend_render_target(const GrCaps* caps, const GrBackendRenderTarget& rt, |
| GrColorType grCT) { |
| if (!caps->areColorTypeAndFormatCompatible(grCT, rt.getBackendFormat())) { |
| return false; |
| } |
| |
| if (!caps->isFormatAsColorTypeRenderable(grCT, rt.getBackendFormat(), rt.sampleCnt())) { |
| return false; |
| } |
| return true; |
| } |
| |
| sk_sp<SkSurface> SkSurface::MakeFromBackendRenderTarget(GrContext* context, |
| const GrBackendRenderTarget& rt, |
| GrSurfaceOrigin origin, |
| SkColorType colorType, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props, |
| SkSurface::RenderTargetReleaseProc relProc, |
| SkSurface::ReleaseContext releaseContext) { |
| if (!context) { |
| return nullptr; |
| } |
| |
| GrColorType grColorType = SkColorTypeAndFormatToGrColorType(context->priv().caps(), colorType, |
| rt.getBackendFormat()); |
| if (grColorType == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| |
| if (!validate_backend_render_target(context->priv().caps(), rt, grColorType)) { |
| return nullptr; |
| } |
| |
| auto rtc = GrRenderTargetContext::MakeFromBackendRenderTarget( |
| context, grColorType, std::move(colorSpace), rt, origin, props, relProc, |
| releaseContext); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| auto device = SkGpuDevice::Make(context, std::move(rtc), SkGpuDevice::kUninit_InitContents); |
| if (!device) { |
| return nullptr; |
| } |
| |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| sk_sp<SkSurface> SkSurface::MakeFromBackendTextureAsRenderTarget(GrContext* context, |
| const GrBackendTexture& tex, |
| GrSurfaceOrigin origin, |
| int sampleCnt, |
| SkColorType colorType, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* props) { |
| if (!context) { |
| return nullptr; |
| } |
| |
| sampleCnt = std::max(1, sampleCnt); |
| GrColorType grColorType = SkColorTypeAndFormatToGrColorType(context->priv().caps(), colorType, |
| tex.getBackendFormat()); |
| if (grColorType == GrColorType::kUnknown) { |
| return nullptr; |
| } |
| if (!validate_backend_texture(context->priv().caps(), tex, sampleCnt, grColorType, false)) { |
| return nullptr; |
| } |
| |
| auto rtc = GrRenderTargetContext::MakeFromBackendTextureAsRenderTarget( |
| context, grColorType, std::move(colorSpace), tex, sampleCnt, origin, props); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| auto device = SkGpuDevice::Make(context, std::move(rtc), SkGpuDevice::kUninit_InitContents); |
| if (!device) { |
| return nullptr; |
| } |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| #if defined(SK_BUILD_FOR_ANDROID) && __ANDROID_API__ >= 26 |
| sk_sp<SkSurface> SkSurface::MakeFromAHardwareBuffer(GrContext* context, |
| AHardwareBuffer* hardwareBuffer, |
| GrSurfaceOrigin origin, |
| sk_sp<SkColorSpace> colorSpace, |
| const SkSurfaceProps* surfaceProps) { |
| AHardwareBuffer_Desc bufferDesc; |
| AHardwareBuffer_describe(hardwareBuffer, &bufferDesc); |
| |
| if (!SkToBool(bufferDesc.usage & AHARDWAREBUFFER_USAGE_GPU_COLOR_OUTPUT)) { |
| return nullptr; |
| } |
| |
| bool isTextureable = SkToBool(bufferDesc.usage & AHARDWAREBUFFER_USAGE_GPU_SAMPLED_IMAGE); |
| bool isProtectedContent = SkToBool(bufferDesc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT); |
| |
| // We currently don't support protected content |
| if (isProtectedContent) { |
| SkDebugf("We currently don't support protected content on android\n"); |
| return nullptr; |
| } |
| |
| GrBackendFormat backendFormat = GrAHardwareBufferUtils::GetBackendFormat(context, |
| hardwareBuffer, |
| bufferDesc.format, |
| true); |
| if (!backendFormat.isValid()) { |
| return nullptr; |
| } |
| |
| if (isTextureable) { |
| GrAHardwareBufferUtils::DeleteImageProc deleteImageProc = nullptr; |
| GrAHardwareBufferUtils::UpdateImageProc updateImageProc = nullptr; |
| GrAHardwareBufferUtils::TexImageCtx deleteImageCtx = nullptr; |
| |
| GrBackendTexture backendTexture = |
| GrAHardwareBufferUtils::MakeBackendTexture(context, hardwareBuffer, |
| bufferDesc.width, bufferDesc.height, |
| &deleteImageProc, &updateImageProc, |
| &deleteImageCtx, isProtectedContent, |
| backendFormat, true); |
| if (!backendTexture.isValid()) { |
| return nullptr; |
| } |
| |
| SkColorType colorType = |
| GrAHardwareBufferUtils::GetSkColorTypeFromBufferFormat(bufferDesc.format); |
| |
| sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTexture(context, backendTexture, |
| origin, 0, colorType, std::move(colorSpace), surfaceProps, deleteImageProc, |
| deleteImageCtx); |
| |
| if (!surface) { |
| SkASSERT(deleteImageProc); |
| deleteImageProc(deleteImageCtx); |
| } |
| return surface; |
| } else { |
| return nullptr; |
| } |
| } |
| #endif |
| |
| #endif |
