| /* |
| * 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 "include/core/SkTypes.h" |
| |
| #if defined(SK_BUILD_FOR_ANDROID) && __ANDROID_API__ >= 26 |
| |
| #include "src/gpu/ganesh/GrAHardwareBufferImageGenerator.h" |
| |
| #include "include/android/AHardwareBufferUtils.h" |
| #include "include/android/GrAHardwareBufferUtils.h" |
| #include "include/core/SkColorSpace.h" |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "include/gpu/GrRecordingContext.h" |
| #include "include/gpu/gl/GrGLTypes.h" |
| #include "src/core/SkMessageBus.h" |
| #include "src/gpu/ganesh/GrCaps.h" |
| #include "src/gpu/ganesh/GrDirectContextPriv.h" |
| #include "src/gpu/ganesh/GrProxyProvider.h" |
| #include "src/gpu/ganesh/GrRecordingContextPriv.h" |
| #include "src/gpu/ganesh/GrResourceCache.h" |
| #include "src/gpu/ganesh/GrResourceProvider.h" |
| #include "src/gpu/ganesh/GrResourceProviderPriv.h" |
| #include "src/gpu/ganesh/GrTexture.h" |
| #include "src/gpu/ganesh/GrTextureProxy.h" |
| #include "src/gpu/ganesh/SkGr.h" |
| |
| #include <android/hardware_buffer.h> |
| |
| std::unique_ptr<SkImageGenerator> GrAHardwareBufferImageGenerator::Make( |
| AHardwareBuffer* graphicBuffer, SkAlphaType alphaType, sk_sp<SkColorSpace> colorSpace, |
| GrSurfaceOrigin surfaceOrigin) { |
| AHardwareBuffer_Desc bufferDesc; |
| AHardwareBuffer_describe(graphicBuffer, &bufferDesc); |
| |
| SkColorType colorType = |
| AHardwareBufferUtils::GetSkColorTypeFromBufferFormat(bufferDesc.format); |
| SkImageInfo info = SkImageInfo::Make(bufferDesc.width, bufferDesc.height, colorType, |
| alphaType, std::move(colorSpace)); |
| |
| bool createProtectedImage = 0 != (bufferDesc.usage & AHARDWAREBUFFER_USAGE_PROTECTED_CONTENT); |
| return std::unique_ptr<SkImageGenerator>(new GrAHardwareBufferImageGenerator( |
| info, graphicBuffer, alphaType, createProtectedImage, |
| bufferDesc.format, surfaceOrigin)); |
| } |
| |
| GrAHardwareBufferImageGenerator::GrAHardwareBufferImageGenerator(const SkImageInfo& info, |
| AHardwareBuffer* hardwareBuffer, SkAlphaType alphaType, bool isProtectedContent, |
| uint32_t bufferFormat, GrSurfaceOrigin surfaceOrigin) |
| : GrTextureGenerator(info) |
| , fHardwareBuffer(hardwareBuffer) |
| , fBufferFormat(bufferFormat) |
| , fIsProtectedContent(isProtectedContent) |
| , fSurfaceOrigin(surfaceOrigin) { |
| AHardwareBuffer_acquire(fHardwareBuffer); |
| } |
| |
| GrAHardwareBufferImageGenerator::~GrAHardwareBufferImageGenerator() { |
| AHardwareBuffer_release(fHardwareBuffer); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| GrSurfaceProxyView GrAHardwareBufferImageGenerator::makeView(GrRecordingContext* context) { |
| if (context->abandoned()) { |
| return {}; |
| } |
| |
| auto direct = context->asDirectContext(); |
| if (!direct) { |
| return {}; |
| } |
| |
| GrBackendFormat backendFormat = GrAHardwareBufferUtils::GetBackendFormat(direct, |
| fHardwareBuffer, |
| fBufferFormat, |
| false); |
| |
| GrColorType grColorType = SkColorTypeToGrColorType(this->getInfo().colorType()); |
| |
| int width = this->getInfo().width(); |
| int height = this->getInfo().height(); |
| |
| auto proxyProvider = context->priv().proxyProvider(); |
| |
| AHardwareBuffer* hardwareBuffer = fHardwareBuffer; |
| AHardwareBuffer_acquire(hardwareBuffer); |
| |
| class AutoAHBRelease { |
| public: |
| AutoAHBRelease(AHardwareBuffer* ahb) : fAhb(ahb) {} |
| // std::function() must be CopyConstructible, but ours should never actually be copied. |
| AutoAHBRelease(const AutoAHBRelease&) { SkASSERT(0); } |
| AutoAHBRelease(AutoAHBRelease&& that) : fAhb(that.fAhb) { that.fAhb = nullptr; } |
| ~AutoAHBRelease() { fAhb ? AHardwareBuffer_release(fAhb) : void(); } |
| |
| AutoAHBRelease& operator=(AutoAHBRelease&& that) { |
| fAhb = std::exchange(that.fAhb, nullptr); |
| return *this; |
| } |
| AutoAHBRelease& operator=(const AutoAHBRelease&) = delete; |
| |
| AHardwareBuffer* get() const { return fAhb; } |
| |
| private: |
| AHardwareBuffer* fAhb; |
| }; |
| |
| sk_sp<GrTextureProxy> texProxy = proxyProvider->createLazyProxy( |
| [direct, buffer = AutoAHBRelease(hardwareBuffer)]( |
| GrResourceProvider* resourceProvider, |
| const GrSurfaceProxy::LazySurfaceDesc& desc) |
| -> GrSurfaceProxy::LazyCallbackResult { |
| GrAHardwareBufferUtils::DeleteImageProc deleteImageProc = nullptr; |
| GrAHardwareBufferUtils::UpdateImageProc updateImageProc = nullptr; |
| GrAHardwareBufferUtils::TexImageCtx texImageCtx = nullptr; |
| |
| bool isProtected = desc.fProtected == GrProtected::kYes; |
| GrBackendTexture backendTex = |
| GrAHardwareBufferUtils::MakeBackendTexture(direct, |
| buffer.get(), |
| desc.fDimensions.width(), |
| desc.fDimensions.height(), |
| &deleteImageProc, |
| &updateImageProc, |
| &texImageCtx, |
| isProtected, |
| desc.fFormat, |
| false); |
| if (!backendTex.isValid()) { |
| return {}; |
| } |
| SkASSERT(deleteImageProc && texImageCtx); |
| |
| // We make this texture cacheable to avoid recreating a GrTexture every time this |
| // is invoked. We know the owning SkImage will send an invalidation message when the |
| // image is destroyed, so the texture will be removed at that time. Note that the |
| // proxy will be keyed in GrProxyProvider but that cache just allows extant proxies |
| // to be reused. It does not retain them. After a flush the proxy will be deleted |
| // and a subsequent use of the image will recreate a new proxy around the GrTexture |
| // found in the GrResourceCache. |
| // This is the last use of GrWrapCacheable::kYes so if we actually cached the proxy |
| // we could remove wrapped GrGpuResource caching. |
| sk_sp<GrTexture> tex = resourceProvider->wrapBackendTexture( |
| backendTex, kBorrow_GrWrapOwnership, GrWrapCacheable::kYes, kRead_GrIOType); |
| if (!tex) { |
| deleteImageProc(texImageCtx); |
| return {}; |
| } |
| |
| if (deleteImageProc) { |
| tex->setRelease(deleteImageProc, texImageCtx); |
| } |
| |
| return tex; |
| }, |
| backendFormat, |
| {width, height}, |
| skgpu::Mipmapped::kNo, |
| GrMipmapStatus::kNotAllocated, |
| GrInternalSurfaceFlags::kReadOnly, |
| SkBackingFit::kExact, |
| skgpu::Budgeted::kNo, |
| GrProtected(fIsProtectedContent), |
| GrSurfaceProxy::UseAllocator::kYes, |
| "AHardwareBufferImageGenerator_MakeView"); |
| |
| skgpu::Swizzle readSwizzle = context->priv().caps()->getReadSwizzle(backendFormat, grColorType); |
| |
| return GrSurfaceProxyView(std::move(texProxy), fSurfaceOrigin, readSwizzle); |
| } |
| |
| GrSurfaceProxyView GrAHardwareBufferImageGenerator::onGenerateTexture( |
| GrRecordingContext* context, |
| const SkImageInfo& info, |
| skgpu::Mipmapped mipmapped, |
| GrImageTexGenPolicy texGenPolicy) { |
| GrSurfaceProxyView texProxyView = this->makeView(context); |
| if (!texProxyView.proxy()) { |
| return {}; |
| } |
| SkASSERT(texProxyView.asTextureProxy()); |
| |
| if (texGenPolicy == GrImageTexGenPolicy::kDraw && mipmapped == skgpu::Mipmapped::kNo) { |
| // If we have the correct mip support, we're done |
| return texProxyView; |
| } |
| |
| // Otherwise, make a copy for the requested MIP map setting. |
| skgpu::Budgeted budgeted = texGenPolicy == GrImageTexGenPolicy::kNew_Uncached_Unbudgeted |
| ? skgpu::Budgeted::kNo |
| : skgpu::Budgeted::kYes; |
| |
| return GrSurfaceProxyView::Copy(context, |
| std::move(texProxyView), |
| mipmapped, |
| SkIRect::MakeWH(info.width(), info.height()), |
| SkBackingFit::kExact, |
| budgeted, |
| /*label=*/"AHardwareBufferImageGenerator_GenerateTexture"); |
| } |
| |
| bool GrAHardwareBufferImageGenerator::onIsValid(GrRecordingContext* context) const { |
| if (nullptr == context) { |
| return false; //CPU backend is not supported, because hardware buffer can be swizzled |
| } |
| return GrBackendApi::kOpenGL == context->backend() || |
| GrBackendApi::kVulkan == context->backend(); |
| } |
| |
| #endif //SK_BUILD_FOR_ANDROID_FRAMEWORK |