| /* |
| * 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 |
| #define GL_GLEXT_PROTOTYPES |
| #define EGL_EGLEXT_PROTOTYPES |
| |
| |
| #include "src/gpu/GrAHardwareBufferImageGenerator.h" |
| |
| #include <android/hardware_buffer.h> |
| |
| #include "include/gpu/GrBackendSurface.h" |
| #include "include/gpu/GrContext.h" |
| #include "include/gpu/GrTexture.h" |
| #include "include/gpu/gl/GrGLTypes.h" |
| #include "include/private/GrRecordingContext.h" |
| #include "src/core/SkExchange.h" |
| #include "src/core/SkMessageBus.h" |
| #include "src/gpu/GrAHardwareBufferUtils.h" |
| #include "src/gpu/GrContextPriv.h" |
| #include "src/gpu/GrProxyProvider.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/GrResourceCache.h" |
| #include "src/gpu/GrResourceProvider.h" |
| #include "src/gpu/GrResourceProviderPriv.h" |
| #include "src/gpu/GrTextureProxy.h" |
| #include "src/gpu/gl/GrGLDefines.h" |
| |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES/gl.h> |
| #include <GLES/glext.h> |
| |
| #ifdef SK_VULKAN |
| #include "include/gpu/vk/GrVkExtensions.h" |
| #include "src/gpu/vk/GrVkGpu.h" |
| #endif |
| |
| #define PROT_CONTENT_EXT_STR "EGL_EXT_protected_content" |
| #define EGL_PROTECTED_CONTENT_EXT 0x32C0 |
| |
| 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 = |
| GrAHardwareBufferUtils::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) |
| : INHERITED(info) |
| , fHardwareBuffer(hardwareBuffer) |
| , fBufferFormat(bufferFormat) |
| , fIsProtectedContent(isProtectedContent) |
| , fSurfaceOrigin(surfaceOrigin) { |
| AHardwareBuffer_acquire(fHardwareBuffer); |
| } |
| |
| GrAHardwareBufferImageGenerator::~GrAHardwareBufferImageGenerator() { |
| AHardwareBuffer_release(fHardwareBuffer); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| sk_sp<GrTextureProxy> GrAHardwareBufferImageGenerator::makeProxy(GrRecordingContext* context) { |
| if (context->priv().abandoned()) { |
| return nullptr; |
| } |
| |
| auto direct = context->priv().asDirectContext(); |
| if (!direct) { |
| return nullptr; |
| } |
| |
| GrBackendFormat backendFormat = GrAHardwareBufferUtils::GetBackendFormat(direct, |
| fHardwareBuffer, |
| fBufferFormat, |
| false); |
| |
| GrColorType grColorType = SkColorTypeToGrColorType(this->getInfo().colorType()); |
| GrPixelConfig pixelConfig = context->priv().caps()->getConfigFromBackendFormat(backendFormat, |
| grColorType); |
| |
| if (pixelConfig == kUnknown_GrPixelConfig) { |
| return nullptr; |
| } |
| |
| int width = this->getInfo().width(); |
| int height = this->getInfo().height(); |
| |
| GrSurfaceDesc desc; |
| desc.fWidth = width; |
| desc.fHeight = height; |
| desc.fConfig = pixelConfig; |
| |
| GrTextureType textureType = GrTextureType::k2D; |
| if (context->backend() == GrBackendApi::kOpenGL) { |
| textureType = GrTextureType::kExternal; |
| } else if (context->backend() == GrBackendApi::kVulkan) { |
| const VkFormat* format = backendFormat.getVkFormat(); |
| SkASSERT(format); |
| if (*format == VK_FORMAT_UNDEFINED) { |
| textureType = GrTextureType::kExternal; |
| } |
| } |
| |
| auto proxyProvider = context->priv().proxyProvider(); |
| |
| AHardwareBuffer* hardwareBuffer = fHardwareBuffer; |
| AHardwareBuffer_acquire(hardwareBuffer); |
| |
| const bool isProtectedContent = fIsProtectedContent; |
| |
| 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 = skstd::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), width, height, |
| isProtectedContent, backendFormat, grColorType](GrResourceProvider* resourceProvider) |
| -> GrSurfaceProxy::LazyInstantiationResult { |
| GrAHardwareBufferUtils::DeleteImageProc deleteImageProc = nullptr; |
| GrAHardwareBufferUtils::UpdateImageProc updateImageProc = nullptr; |
| GrAHardwareBufferUtils::TexImageCtx texImageCtx = nullptr; |
| |
| GrBackendTexture backendTex = |
| GrAHardwareBufferUtils::MakeBackendTexture(direct, buffer.get(), |
| width, height, |
| &deleteImageProc, |
| &updateImageProc, |
| &texImageCtx, |
| isProtectedContent, |
| backendFormat, |
| 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 SkIamge will send an invalidation message when the |
| // image is destroyed, so the texture will be removed at that time. |
| sk_sp<GrTexture> tex = resourceProvider->wrapBackendTexture( |
| backendTex, grColorType, kBorrow_GrWrapOwnership, GrWrapCacheable::kYes, |
| kRead_GrIOType); |
| if (!tex) { |
| deleteImageProc(texImageCtx); |
| return {}; |
| } |
| |
| if (deleteImageProc) { |
| tex->setRelease(deleteImageProc, texImageCtx); |
| } |
| |
| return std::move(tex); |
| }, |
| backendFormat, desc, GrRenderable::kNo, 1, fSurfaceOrigin, GrMipMapped::kNo, |
| GrMipMapsStatus::kNotAllocated, GrInternalSurfaceFlags::kReadOnly, SkBackingFit::kExact, |
| SkBudgeted::kNo, GrProtected::kNo); |
| |
| return texProxy; |
| } |
| |
| sk_sp<GrTextureProxy> GrAHardwareBufferImageGenerator::onGenerateTexture( |
| GrRecordingContext* context, const SkImageInfo& info, |
| const SkIPoint& origin, bool willNeedMipMaps) { |
| sk_sp<GrTextureProxy> texProxy = this->makeProxy(context); |
| if (!texProxy) { |
| return nullptr; |
| } |
| |
| if (0 == origin.fX && 0 == origin.fY && |
| info.width() == this->getInfo().width() && info.height() == this->getInfo().height()) { |
| // If the caller wants the full texture we're done. The caller will handle making a copy for |
| // mip maps if that is required. |
| return texProxy; |
| } |
| // Otherwise, make a copy for the requested subset. |
| SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY, info.width(), info.height()); |
| |
| GrMipMapped mipMapped = willNeedMipMaps ? GrMipMapped::kYes : GrMipMapped::kNo; |
| |
| return GrSurfaceProxy::Copy(context, texProxy.get(), mipMapped, subset, SkBackingFit::kExact, |
| SkBudgeted::kYes); |
| } |
| |
| bool GrAHardwareBufferImageGenerator::onIsValid(GrContext* 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 |