| /* |
| * 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 "SkSurface_Gpu.h" |
| #include "GrAHardwareBufferUtils.h" |
| #include "GrBackendSurface.h" |
| #include "GrCaps.h" |
| #include "GrContextPriv.h" |
| #include "GrContextThreadSafeProxyPriv.h" |
| #include "GrRecordingContext.h" |
| #include "GrRecordingContextPriv.h" |
| #include "GrRenderTarget.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "GrRenderTargetProxyPriv.h" |
| #include "GrTexture.h" |
| #include "SkCanvas.h" |
| #include "SkDeferredDisplayList.h" |
| #include "SkGpuDevice.h" |
| #include "SkImagePriv.h" |
| #include "SkImage_Base.h" |
| #include "SkImage_Gpu.h" |
| #include "SkSurfaceCharacterization.h" |
| #include "SkSurface_Base.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()->numColorSamples(); |
| 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(); |
| |
| sk_sp<GrTextureProxy> srcProxy = rtc->asTextureProxyRef(); |
| |
| if (subset) { |
| srcProxy = GrSurfaceProxy::Copy(ctx, rtc->asSurfaceProxy(), rtc->mipMapped(), *subset, |
| SkBackingFit::kExact, budgeted); |
| } else if (!srcProxy || 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. |
| SkASSERT(rtc->origin() == rtc->asSurfaceProxy()->origin()); |
| |
| srcProxy = GrSurfaceProxy::Copy(ctx, rtc->asSurfaceProxy(), rtc->mipMapped(), |
| SkBackingFit::kExact, budgeted); |
| } |
| |
| const SkImageInfo info = fDevice->imageInfo(); |
| sk_sp<SkImage> image; |
| if (srcProxy) { |
| // The renderTargetContext coming out of SkGpuDevice should always be exact and the |
| // above copy creates a kExact surfaceContext. |
| SkASSERT(srcProxy->priv().isExact()); |
| image = sk_make_sp<SkImage_Gpu>(sk_ref_sp(ctx), kNeedNewImageUniqueID, info.alphaType(), |
| std::move(srcProxy), info.refColorSpace()); |
| } |
| return image; |
| } |
| |
| void SkSurface_Gpu::onWritePixels(const SkPixmap& src, int x, int y) { |
| fDevice->writePixels(src, x, y); |
| } |
| |
| // 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(); |
| |
| int maxResourceCount; |
| size_t maxResourceBytes; |
| ctx->getResourceCacheLimits(&maxResourceCount, &maxResourceBytes); |
| |
| bool mipmapped = rtc->asTextureProxy() ? GrMipMapped::kYes == rtc->asTextureProxy()->mipMapped() |
| : false; |
| |
| // TODO: the addition of colorType to the surfaceContext should remove this calculation |
| SkColorType ct; |
| if (!GrPixelConfigToColorType(rtc->colorSpaceInfo().config(), &ct)) { |
| 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->colorSpaceInfo().refColorSpace()); |
| |
| characterization->set(ctx->threadSafeProxy(), maxResourceBytes, ii, rtc->origin(), |
| rtc->colorSpaceInfo().config(), rtc->fsaaType(), rtc->numStencilSamples(), |
| SkSurfaceCharacterization::Textureable(SkToBool(rtc->asTextureProxy())), |
| SkSurfaceCharacterization::MipMapped(mipmapped), |
| SkSurfaceCharacterization::UsesGLFBO0(usesGLFBO0), |
| SkSurfaceCharacterization::VulkanSecondaryCBCompatible(false), |
| 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(); |
| sk_sp<SkImage> image; |
| image = sk_make_sp<SkImage_Gpu>(sk_ref_sp(context), kNeedNewImageUniqueID, info.alphaType(), |
| std::move(srcProxy), info.refColorSpace()); |
| canvas->drawImage(image, x, y, paint); |
| return true; |
| }; |
| if (!tryDraw()) { |
| INHERITED::onDraw(canvas, x, y, paint); |
| } |
| } |
| |
| bool SkSurface_Gpu::isCompatible(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? |
| int maxResourceCount; |
| size_t maxResourceBytes; |
| ctx->getResourceCacheLimits(&maxResourceCount, &maxResourceBytes); |
| |
| 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; |
| } |
| |
| // TODO: the addition of colorType to the surfaceContext should remove this calculation |
| SkColorType rtcColorType; |
| if (!GrPixelConfigToColorType(rtc->colorSpaceInfo().config(), &rtcColorType)) { |
| return false; |
| } |
| |
| return characterization.contextInfo() && characterization.contextInfo()->priv().matches(ctx) && |
| characterization.cacheMaxResourceBytes() <= maxResourceBytes && |
| characterization.origin() == rtc->origin() && |
| characterization.config() == rtc->colorSpaceInfo().config() && |
| characterization.width() == rtc->width() && |
| characterization.height() == rtc->height() && |
| characterization.colorType() == rtcColorType && |
| characterization.fsaaType() == rtc->fsaaType() && |
| characterization.stencilCount() == rtc->numStencilSamples() && |
| SkColorSpace::Equals(characterization.colorSpace(), |
| rtc->colorSpaceInfo().colorSpace()) && |
| 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().copyOpListsFromDDL(ddl, rtc->asRenderTargetProxy()); |
| return true; |
| } |
| |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| bool SkSurface_Gpu::Valid(const SkImageInfo& info) { |
| return true; |
| } |
| |
| bool SkSurface_Gpu::Valid(const GrCaps* caps, GrPixelConfig config, SkColorSpace* colorSpace) { |
| switch (config) { |
| case kSRGBA_8888_GrPixelConfig: |
| case kSBGRA_8888_GrPixelConfig: |
| return caps->srgbSupport(); |
| default: |
| 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 (!SkSurface_Gpu::Valid(context->priv().caps(), c.config(), c.colorSpace())) { |
| return nullptr; |
| } |
| |
| // In order to ensure compatibility we have to match the backend format (i.e. the GrPixelConfig |
| // of the characterization) |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fWidth = c.width(); |
| desc.fHeight = c.height(); |
| desc.fConfig = c.config(); |
| desc.fSampleCnt = c.stencilCount(); |
| |
| const GrBackendFormat format = |
| context->priv().caps()->getBackendFormatFromColorType(c.colorType()); |
| |
| sk_sp<GrSurfaceContext> sc( |
| context->priv().makeDeferredSurfaceContext(format, desc, c.origin(), |
| GrMipMapped(c.isMipMapped()), |
| SkBackingFit::kExact, budgeted, |
| c.refColorSpace(), |
| &c.surfaceProps())); |
| if (!sc || !sc->asRenderTargetContext()) { |
| return nullptr; |
| } |
| |
| // CONTEXT TODO: remove this use of 'backdoor' to create an SkGpuDevice |
| sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context->priv().backdoor(), |
| sk_ref_sp(sc->asRenderTargetContext()), |
| c.width(), c.height(), |
| SkGpuDevice::kClear_InitContents)); |
| if (!device) { |
| return nullptr; |
| } |
| |
| sk_sp<SkSurface> s = sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| #ifdef SK_DEBUG |
| if (s) { |
| SkSurface_Gpu* gpuSurface = static_cast<SkSurface_Gpu*>(s.get()); |
| SkASSERT(gpuSurface->isCompatible(c)); |
| } |
| #endif |
| |
| return s; |
| } |
| |
| |
| 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; |
| } |
| if (!SkSurface_Gpu::Valid(info)) { |
| return nullptr; |
| } |
| sampleCount = SkTMax(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, |
| sk_sp<GrRenderTargetContext> rtc) { |
| if (!context) { |
| return nullptr; |
| } |
| |
| int w = rtc->width(); |
| int h = rtc->height(); |
| sk_sp<SkGpuDevice> device( |
| SkGpuDevice::Make(context, std::move(rtc), w, h, SkGpuDevice::kUninit_InitContents)); |
| if (!device) { |
| return nullptr; |
| } |
| |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| bool validate_backend_texture(GrContext* ctx, const GrBackendTexture& tex, GrPixelConfig* config, |
| int sampleCnt, SkColorType ct, sk_sp<SkColorSpace> cs, |
| bool texturable) { |
| if (!tex.isValid()) { |
| return false; |
| } |
| // TODO: Create a SkImageColorInfo struct for color, alpha, and color space so we don't need to |
| // create a fake image info here. |
| SkImageInfo info = SkImageInfo::Make(1, 1, ct, kPremul_SkAlphaType, cs); |
| |
| if (!SkSurface_Gpu::Valid(info)) { |
| return false; |
| } |
| |
| GrBackendFormat backendFormat = tex.getBackendFormat(); |
| if (!backendFormat.isValid()) { |
| return false; |
| } |
| *config = ctx->priv().caps()->getConfigFromBackendFormat(backendFormat, ct); |
| if (*config == kUnknown_GrPixelConfig) { |
| return false; |
| } |
| |
| // We don't require that the client gave us an exact valid sample cnt. However, it must be |
| // less than the max supported sample count and 1 if MSAA is unsupported for the color type. |
| if (!ctx->priv().caps()->getRenderTargetSampleCount(sampleCnt, *config)) { |
| return false; |
| } |
| |
| if (texturable && !ctx->priv().caps()->isConfigTexturable(*config)) { |
| return false; |
| } |
| return true; |
| } |
| |
| 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 = SkTMax(1, sampleCnt); |
| GrBackendTexture texCopy = tex; |
| if (!validate_backend_texture(context, texCopy, &texCopy.fConfig, |
| sampleCnt, colorType, colorSpace, true)) { |
| return nullptr; |
| } |
| |
| if (!context) { |
| return nullptr; |
| } |
| if (!SkSurface_Gpu::Valid(context->priv().caps(), texCopy.config(), colorSpace.get())) { |
| return nullptr; |
| } |
| sampleCnt = SkTMax(1, sampleCnt); |
| |
| sk_sp<GrRenderTargetContext> rtc(context->priv().makeBackendTextureRenderTargetContext( |
| texCopy, |
| origin, |
| sampleCnt, |
| std::move(colorSpace), |
| props, |
| textureReleaseProc, |
| releaseContext)); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context, std::move(rtc), texCopy.width(), |
| texCopy.height(), |
| SkGpuDevice::kUninit_InitContents)); |
| if (!device) { |
| return nullptr; |
| } |
| return sk_make_sp<SkSurface_Gpu>(std::move(device)); |
| } |
| |
| bool validate_backend_render_target(GrContext* ctx, const GrBackendRenderTarget& rt, |
| GrPixelConfig* config, SkColorType ct, sk_sp<SkColorSpace> cs) { |
| // TODO: Create a SkImageColorInfo struct for color, alpha, and color space so we don't need to |
| // create a fake image info here. |
| SkImageInfo info = SkImageInfo::Make(1, 1, ct, kPremul_SkAlphaType, cs); |
| |
| if (!SkSurface_Gpu::Valid(info)) { |
| return false; |
| } |
| |
| *config = ctx->priv().caps()->validateBackendRenderTarget(rt, ct); |
| if (*config == kUnknown_GrPixelConfig) { |
| return false; |
| } |
| |
| if (rt.sampleCnt() > 1) { |
| if (ctx->priv().caps()->maxRenderTargetSampleCount(*config) <= 1) { |
| return false; |
| } |
| } else if (!ctx->priv().caps()->isConfigRenderable(*config)) { |
| 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; |
| } |
| |
| GrBackendRenderTarget rtCopy = rt; |
| if (!validate_backend_render_target(context, rtCopy, &rtCopy.fConfig, colorType, colorSpace)) { |
| return nullptr; |
| } |
| if (!SkSurface_Gpu::Valid(context->priv().caps(), rtCopy.config(), colorSpace.get())) { |
| return nullptr; |
| } |
| |
| if (!context) { |
| return nullptr; |
| } |
| |
| sk_sp<GrRenderTargetContext> rtc( |
| context->priv().makeBackendRenderTargetRenderTargetContext( |
| rtCopy, origin, std::move(colorSpace), props, relProc, releaseContext)); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context, std::move(rtc), rtCopy.width(), |
| rtCopy.height(), |
| 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 = SkTMax(1, sampleCnt); |
| GrBackendTexture texCopy = tex; |
| if (!validate_backend_texture(context, texCopy, &texCopy.fConfig, |
| sampleCnt, colorType, colorSpace, false)) { |
| return nullptr; |
| } |
| |
| if (!SkSurface_Gpu::Valid(context->priv().caps(), texCopy.config(), colorSpace.get())) { |
| return nullptr; |
| } |
| |
| sk_sp<GrRenderTargetContext> rtc( |
| context->priv().makeBackendTextureAsRenderTargetRenderTargetContext( |
| texCopy, |
| origin, |
| sampleCnt, |
| std::move(colorSpace), |
| props)); |
| if (!rtc) { |
| return nullptr; |
| } |
| |
| sk_sp<SkGpuDevice> device(SkGpuDevice::Make(context, std::move(rtc), tex.width(), tex.height(), |
| 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) { |
| return nullptr; |
| } |
| |
| GrBackendFormat backendFormat = GrAHardwareBufferUtils::GetBackendFormat(context, |
| hardwareBuffer, |
| bufferDesc.format, |
| true); |
| if (!backendFormat.isValid()) { |
| return nullptr; |
| } |
| |
| if (isTextureable) { |
| GrAHardwareBufferUtils::DeleteImageProc deleteImageProc = nullptr; |
| GrAHardwareBufferUtils::DeleteImageCtx deleteImageCtx = nullptr; |
| |
| GrBackendTexture backendTexture = |
| GrAHardwareBufferUtils::MakeBackendTexture(context, hardwareBuffer, |
| bufferDesc.width, bufferDesc.height, |
| &deleteImageProc, &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 |
