| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrGLGpu_DEFINED |
| #define GrGLGpu_DEFINED |
| |
| #include "GrGLContext.h" |
| #include "GrGLIRect.h" |
| #include "GrGLPathRendering.h" |
| #include "GrGLProgram.h" |
| #include "GrGLRenderTarget.h" |
| #include "GrGLStencilAttachment.h" |
| #include "GrGLTexture.h" |
| #include "GrGLVertexArray.h" |
| #include "GrGpu.h" |
| #include "GrMesh.h" |
| #include "GrWindowRectsState.h" |
| #include "GrXferProcessor.h" |
| #include "SkLRUCache.h" |
| #include "SkTArray.h" |
| #include "SkTypes.h" |
| |
| class GrGLBuffer; |
| class GrPipeline; |
| class GrSwizzle; |
| |
| #ifdef SK_DEBUG |
| #define PROGRAM_CACHE_STATS |
| #endif |
| |
| class GrGLGpu final : public GrGpu, private GrMesh::SendToGpuImpl { |
| public: |
| static sk_sp<GrGpu> Make(GrBackendContext backendContext, const GrContextOptions&, GrContext*); |
| static sk_sp<GrGpu> Make(sk_sp<const GrGLInterface>, const GrContextOptions&, GrContext*); |
| ~GrGLGpu() override; |
| |
| void disconnect(DisconnectType) override; |
| |
| const GrGLContext& glContext() const { return *fGLContext; } |
| |
| const GrGLInterface* glInterface() const { return fGLContext->interface(); } |
| const GrGLContextInfo& ctxInfo() const { return *fGLContext; } |
| GrGLStandard glStandard() const { return fGLContext->standard(); } |
| GrGLVersion glVersion() const { return fGLContext->version(); } |
| GrGLSLGeneration glslGeneration() const { return fGLContext->glslGeneration(); } |
| const GrGLCaps& glCaps() const { return *fGLContext->caps(); } |
| |
| GrGLPathRendering* glPathRendering() { |
| SkASSERT(glCaps().shaderCaps()->pathRenderingSupport()); |
| return static_cast<GrGLPathRendering*>(pathRendering()); |
| } |
| |
| // Used by GrGLProgram to configure OpenGL state. |
| void bindTexture(int unitIdx, const GrSamplerState& samplerState, bool allowSRGBInputs, |
| GrGLTexture* texture, GrSurfaceOrigin textureOrigin); |
| |
| void bindTexelBuffer(int unitIdx, GrPixelConfig, GrGLBuffer*); |
| |
| void generateMipmaps(const GrSamplerState& params, bool allowSRGBInputs, GrGLTexture* texture, |
| GrSurfaceOrigin textureOrigin); |
| |
| bool onGetReadPixelsInfo(GrSurface* srcSurface, GrSurfaceOrigin srcOrigin, |
| int readWidth, int readHeight, size_t rowBytes, |
| GrPixelConfig readConfig, DrawPreference*, |
| ReadPixelTempDrawInfo*) override; |
| |
| bool onGetWritePixelsInfo(GrSurface* dstSurface, GrSurfaceOrigin dstOrigin, |
| int width, int height, |
| GrPixelConfig srcConfig, DrawPreference*, |
| WritePixelTempDrawInfo*) override; |
| |
| // These functions should be used to bind GL objects. They track the GL state and skip redundant |
| // bindings. Making the equivalent glBind calls directly will confuse the state tracking. |
| void bindVertexArray(GrGLuint id) { |
| fHWVertexArrayState.setVertexArrayID(this, id); |
| } |
| |
| // These callbacks update state tracking when GL objects are deleted. They are called from |
| // GrGLResource onRelease functions. |
| void notifyVertexArrayDelete(GrGLuint id) { |
| fHWVertexArrayState.notifyVertexArrayDelete(id); |
| } |
| |
| // Binds a buffer to the GL target corresponding to 'type', updates internal state tracking, and |
| // returns the GL target the buffer was bound to. |
| // When 'type' is kIndex_GrBufferType, this function will also implicitly bind the default VAO. |
| // If the caller wishes to bind an index buffer to a specific VAO, it can call glBind directly. |
| GrGLenum bindBuffer(GrBufferType type, const GrBuffer*); |
| |
| // Called by GrGLBuffer after its buffer object has been destroyed. |
| void notifyBufferReleased(const GrGLBuffer*); |
| |
| // The GrGLGpuRTCommandBuffer does not buffer up draws before submitting them to the gpu. |
| // Thus this is the implementation of the draw call for the corresponding passthrough function |
| // on GrGLRTGpuCommandBuffer. |
| void draw(const GrPipeline&, |
| const GrPrimitiveProcessor&, |
| const GrMesh[], |
| const GrPipeline::DynamicState[], |
| int meshCount); |
| |
| |
| // GrMesh::SendToGpuImpl methods. These issue the actual GL draw calls. |
| // Marked final as a hint to the compiler to not use virtual dispatch. |
| void sendMeshToGpu(const GrPrimitiveProcessor&, GrPrimitiveType, |
| const GrBuffer* vertexBuffer, int vertexCount, int baseVertex) final; |
| |
| void sendIndexedMeshToGpu(const GrPrimitiveProcessor&, GrPrimitiveType, |
| const GrBuffer* indexBuffer, int indexCount, int baseIndex, |
| uint16_t minIndexValue, uint16_t maxIndexValue, |
| const GrBuffer* vertexBuffer, int baseVertex) final; |
| |
| void sendInstancedMeshToGpu(const GrPrimitiveProcessor&, GrPrimitiveType, |
| const GrBuffer* vertexBuffer, int vertexCount, int baseVertex, |
| const GrBuffer* instanceBuffer, int instanceCount, |
| int baseInstance) final; |
| |
| void sendIndexedInstancedMeshToGpu(const GrPrimitiveProcessor&, GrPrimitiveType, |
| const GrBuffer* indexBuffer, int indexCount, int baseIndex, |
| const GrBuffer* vertexBuffer, int baseVertex, |
| const GrBuffer* instanceBuffer, int instanceCount, |
| int baseInstance) final; |
| |
| // The GrGLGpuRTCommandBuffer does not buffer up draws before submitting them to the gpu. |
| // Thus this is the implementation of the clear call for the corresponding passthrough function |
| // on GrGLGpuRTCommandBuffer. |
| void clear(const GrFixedClip&, GrColor, GrRenderTarget*, GrSurfaceOrigin); |
| void clearColorAsDraw(const GrFixedClip&, GrGLfloat r, GrGLfloat g, GrGLfloat b, GrGLfloat a, |
| GrRenderTarget*, GrSurfaceOrigin); |
| |
| // The GrGLGpuRTCommandBuffer does not buffer up draws before submitting them to the gpu. |
| // Thus this is the implementation of the clearStencil call for the corresponding passthrough |
| // function on GrGLGpuRTCommandBuffer. |
| void clearStencilClip(const GrFixedClip&, bool insideStencilMask, |
| GrRenderTarget*, GrSurfaceOrigin); |
| |
| const GrGLContext* glContextForTesting() const override { |
| return &this->glContext(); |
| } |
| |
| void clearStencil(GrRenderTarget*, int clearValue) override; |
| |
| GrGpuRTCommandBuffer* createCommandBuffer( |
| GrRenderTarget*, GrSurfaceOrigin, |
| const GrGpuRTCommandBuffer::LoadAndStoreInfo&, |
| const GrGpuRTCommandBuffer::StencilLoadAndStoreInfo&) override; |
| |
| GrGpuTextureCommandBuffer* createCommandBuffer(GrTexture*, GrSurfaceOrigin) override; |
| |
| void invalidateBoundRenderTarget() { |
| fHWBoundRenderTargetUniqueID.makeInvalid(); |
| } |
| |
| GrStencilAttachment* createStencilAttachmentForRenderTarget(const GrRenderTarget* rt, |
| int width, |
| int height) override; |
| |
| GrBackendTexture createTestingOnlyBackendTexture(void* pixels, int w, int h, |
| GrPixelConfig config, |
| bool isRenderTarget, |
| GrMipMapped mipMapped) override; |
| bool isTestingOnlyBackendTexture(const GrBackendTexture&) const override; |
| void deleteTestingOnlyBackendTexture(GrBackendTexture*, bool abandonTexture = false) override; |
| |
| void resetShaderCacheForTesting() const override; |
| |
| void testingOnly_flushGpuAndSync() override; |
| |
| GrFence SK_WARN_UNUSED_RESULT insertFence() override; |
| bool waitFence(GrFence, uint64_t timeout) override; |
| void deleteFence(GrFence) const override; |
| |
| sk_sp<GrSemaphore> SK_WARN_UNUSED_RESULT makeSemaphore(bool isOwned) override; |
| sk_sp<GrSemaphore> wrapBackendSemaphore(const GrBackendSemaphore& semaphore, |
| GrResourceProvider::SemaphoreWrapType wrapType, |
| GrWrapOwnership ownership) override; |
| void insertSemaphore(sk_sp<GrSemaphore> semaphore, bool flush) override; |
| void waitSemaphore(sk_sp<GrSemaphore> semaphore) override; |
| |
| sk_sp<GrSemaphore> prepareTextureForCrossContextUsage(GrTexture*) override; |
| |
| void deleteSync(GrGLsync) const; |
| |
| void insertEventMarker(const char*); |
| |
| private: |
| GrGLGpu(std::unique_ptr<GrGLContext>, GrContext*); |
| |
| // GrGpu overrides |
| void onResetContext(uint32_t resetBits) override; |
| |
| void xferBarrier(GrRenderTarget*, GrXferBarrierType) override; |
| |
| sk_sp<GrTexture> onCreateTexture(const GrSurfaceDesc& desc, SkBudgeted budgeted, |
| const GrMipLevel texels[], |
| int mipLevelCount) override; |
| |
| GrBuffer* onCreateBuffer(size_t size, GrBufferType intendedType, GrAccessPattern, |
| const void* data) override; |
| |
| sk_sp<GrTexture> onWrapBackendTexture(const GrBackendTexture&, GrWrapOwnership) override; |
| sk_sp<GrTexture> onWrapRenderableBackendTexture(const GrBackendTexture&, |
| int sampleCnt, |
| GrWrapOwnership) override; |
| sk_sp<GrRenderTarget> onWrapBackendRenderTarget(const GrBackendRenderTarget&) override; |
| sk_sp<GrRenderTarget> onWrapBackendTextureAsRenderTarget(const GrBackendTexture&, |
| int sampleCnt) override; |
| |
| // Given a GrPixelConfig return the index into the stencil format array on GrGLCaps to a |
| // compatible stencil format, or negative if there is no compatible stencil format. |
| int getCompatibleStencilIndex(GrPixelConfig config); |
| |
| |
| // Returns whether the texture is successfully created. On success, the |
| // result is stored in |info|. |
| // The texture is populated with |texels|, if it exists. |
| // The texture parameters are cached in |initialTexParams|. |
| bool createTextureImpl(const GrSurfaceDesc& desc, GrGLTextureInfo* info, |
| bool renderTarget, GrGLTexture::TexParams* initialTexParams, |
| const GrMipLevel texels[], int mipLevelCount, |
| GrMipMapsStatus* mipMapsStatus); |
| |
| bool onIsACopyNeededForTextureParams(GrTextureProxy*, const GrSamplerState&, |
| GrTextureProducer::CopyParams*, |
| SkScalar scaleAdjust[2]) const override; |
| |
| // Checks whether glReadPixels can be called to get pixel values in readConfig from the |
| // render target. |
| bool readPixelsSupported(GrRenderTarget* target, GrPixelConfig readConfig); |
| |
| // Checks whether glReadPixels can be called to get pixel values in readConfig from a |
| // render target that has renderTargetConfig. This may have to create a temporary |
| // render target and thus is less preferable than the variant that takes a render target. |
| bool readPixelsSupported(GrPixelConfig renderTargetConfig, GrPixelConfig readConfig); |
| |
| // Checks whether glReadPixels can be called to get pixel values in readConfig from a |
| // render target that has the same config as surfaceForConfig. Calls one of the the two |
| // variations above, depending on whether the surface is a render target or not. |
| bool readPixelsSupported(GrSurface* surfaceForConfig, GrPixelConfig readConfig); |
| |
| bool onReadPixels(GrSurface*, GrSurfaceOrigin, |
| int left, int top, |
| int width, int height, |
| GrPixelConfig, |
| void* buffer, |
| size_t rowBytes) override; |
| |
| bool onWritePixels(GrSurface*, GrSurfaceOrigin, |
| int left, int top, int width, int height, |
| GrPixelConfig config, |
| const GrMipLevel texels[], int mipLevelCount) override; |
| |
| bool onTransferPixels(GrTexture*, |
| int left, int top, int width, int height, |
| GrPixelConfig config, GrBuffer* transferBuffer, |
| size_t offset, size_t rowBytes) override; |
| |
| // Before calling any variation of TexImage, TexSubImage, etc..., call this to ensure that the |
| // PIXEL_UNPACK_BUFFER is unbound. |
| void unbindCpuToGpuXferBuffer(); |
| |
| void onResolveRenderTarget(GrRenderTarget* target, GrSurfaceOrigin) override; |
| |
| bool onCopySurface(GrSurface* dst, GrSurfaceOrigin dstOrigin, |
| GrSurface* src, GrSurfaceOrigin srcOrigin, |
| const SkIRect& srcRect, const SkIPoint& dstPoint, |
| bool canDiscardOutsideDstRect) override; |
| |
| void onQueryMultisampleSpecs(GrRenderTarget*, GrSurfaceOrigin, const GrStencilSettings&, |
| int* effectiveSampleCnt, SamplePattern*) override; |
| |
| // binds texture unit in GL |
| void setTextureUnit(int unitIdx); |
| |
| void setTextureSwizzle(int unitIdx, GrGLenum target, const GrGLenum swizzle[]); |
| |
| // Flushes state from GrPipeline to GL. Returns false if the state couldn't be set. |
| // willDrawPoints must be true if point primitives will be rendered after setting the GL state. |
| bool flushGLState(const GrPipeline&, const GrPrimitiveProcessor&, bool willDrawPoints); |
| |
| // Sets up vertex/instance attribute pointers and strides. |
| void setupGeometry(const GrPrimitiveProcessor&, |
| const GrBuffer* indexBuffer, |
| const GrBuffer* vertexBuffer, |
| int baseVertex, |
| const GrBuffer* instanceBuffer, |
| int baseInstance); |
| |
| void flushBlend(const GrXferProcessor::BlendInfo& blendInfo, const GrSwizzle&); |
| |
| void onFinishFlush(bool insertedSemaphores) override; |
| |
| bool hasExtension(const char* ext) const { return fGLContext->hasExtension(ext); } |
| |
| bool copySurfaceAsDraw(GrSurface* dst, GrSurfaceOrigin dstOrigin, |
| GrSurface* src, GrSurfaceOrigin srcOrigin, |
| const SkIRect& srcRect, const SkIPoint& dstPoint); |
| void copySurfaceAsCopyTexSubImage(GrSurface* dst, GrSurfaceOrigin dstOrigin, |
| GrSurface* src, GrSurfaceOrigin srcOrigin, |
| const SkIRect& srcRect, const SkIPoint& dstPoint); |
| bool copySurfaceAsBlitFramebuffer(GrSurface* dst, GrSurfaceOrigin dstOrigin, |
| GrSurface* src, GrSurfaceOrigin srcOrigin, |
| const SkIRect& srcRect, const SkIPoint& dstPoint); |
| bool generateMipmap(GrGLTexture* texture, GrSurfaceOrigin textureOrigin, bool gammaCorrect); |
| void clearStencilClipAsDraw(const GrFixedClip&, bool insideStencilMask, |
| GrRenderTarget*, GrSurfaceOrigin); |
| |
| static bool BlendCoeffReferencesConstant(GrBlendCoeff coeff); |
| |
| class ProgramCache : public ::SkNoncopyable { |
| public: |
| ProgramCache(GrGLGpu* gpu); |
| ~ProgramCache(); |
| |
| void abandon(); |
| GrGLProgram* refProgram(const GrGLGpu*, const GrPipeline&, const GrPrimitiveProcessor&, |
| bool hasPointSize); |
| |
| private: |
| // We may actually have kMaxEntries+1 shaders in the GL context because we create a new |
| // shader before evicting from the cache. |
| static const int kMaxEntries = 128; |
| |
| struct Entry; |
| |
| // binary search for entry matching desc. returns index into fEntries that matches desc or ~ |
| // of the index of where it should be inserted. |
| int search(const GrProgramDesc& desc) const; |
| |
| struct DescHash { |
| uint32_t operator()(const GrProgramDesc& desc) const { |
| return SkOpts::hash_fn(desc.asKey(), desc.keyLength(), 0); |
| } |
| }; |
| |
| SkLRUCache<GrProgramDesc, std::unique_ptr<Entry>, DescHash> fMap; |
| |
| GrGLGpu* fGpu; |
| #ifdef PROGRAM_CACHE_STATS |
| int fTotalRequests; |
| int fCacheMisses; |
| int fHashMisses; // cache hit but hash table missed |
| #endif |
| }; |
| |
| void flushColorWrite(bool writeColor); |
| |
| // flushes the scissor. see the note on flushBoundTextureAndParams about |
| // flushing the scissor after that function is called. |
| void flushScissor(const GrScissorState&, |
| const GrGLIRect& rtViewport, |
| GrSurfaceOrigin rtOrigin); |
| |
| // disables the scissor |
| void disableScissor(); |
| |
| void flushWindowRectangles(const GrWindowRectsState&, const GrGLRenderTarget*, GrSurfaceOrigin); |
| void disableWindowRectangles(); |
| |
| // sets a texture unit to use for texture operations other than binding a texture to a program. |
| // ensures that such operations don't negatively interact with tracking bound textures. |
| void setScratchTextureUnit(); |
| |
| // bounds is region that may be modified. |
| // nullptr means whole target. Can be an empty rect. |
| void flushRenderTarget(GrGLRenderTarget*, const SkIRect* bounds, bool disableSRGB = false); |
| |
| // Need not be called if flushRenderTarget is used. |
| void flushViewport(const GrGLIRect&); |
| |
| void flushStencil(const GrStencilSettings&); |
| void disableStencil(); |
| |
| // rt is used only if useHWAA is true. |
| void flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled); |
| |
| void flushMinSampleShading(float minSampleShading); |
| |
| void flushFramebufferSRGB(bool enable); |
| |
| // helper for onCreateTexture and writeTexturePixels |
| enum UploadType { |
| kNewTexture_UploadType, // we are creating a new texture |
| kWrite_UploadType, // we are using TexSubImage2D to copy data to an existing texture |
| }; |
| bool uploadTexData(GrPixelConfig texConfig, int texWidth, int texHeight, |
| GrSurfaceOrigin texOrigin, GrGLenum target, UploadType uploadType, int left, |
| int top, int width, int height, GrPixelConfig dataConfig, |
| const GrMipLevel texels[], int mipLevelCount, |
| GrMipMapsStatus* mipMapsStatus = nullptr); |
| |
| bool createRenderTargetObjects(const GrSurfaceDesc&, const GrGLTextureInfo& texInfo, |
| GrGLRenderTarget::IDDesc*); |
| |
| enum TempFBOTarget { |
| kSrc_TempFBOTarget, |
| kDst_TempFBOTarget |
| }; |
| |
| // Binds a surface as a FBO for copying, reading, or clearing. If the surface already owns an |
| // FBO ID then that ID is bound. If not the surface is temporarily bound to a FBO and that FBO |
| // is bound. This must be paired with a call to unbindSurfaceFBOForPixelOps(). |
| void bindSurfaceFBOForPixelOps(GrSurface* surface, GrGLenum fboTarget, GrGLIRect* viewport, |
| TempFBOTarget tempFBOTarget); |
| |
| // Must be called if bindSurfaceFBOForPixelOps was used to bind a surface for copying. |
| void unbindTextureFBOForPixelOps(GrGLenum fboTarget, GrSurface* surface); |
| |
| void onDumpJSON(SkJSONWriter*) const override; |
| |
| bool createCopyProgram(GrTexture* srcTexture); |
| bool createMipmapProgram(int progIdx); |
| bool createStencilClipClearProgram(); |
| bool createClearColorProgram(); |
| |
| std::unique_ptr<GrGLContext> fGLContext; |
| |
| // GL program-related state |
| ProgramCache* fProgramCache; |
| |
| /////////////////////////////////////////////////////////////////////////// |
| ///@name Caching of GL State |
| ///@{ |
| int fHWActiveTextureUnitIdx; |
| GrGLuint fHWProgramID; |
| |
| enum TriState { |
| kNo_TriState, |
| kYes_TriState, |
| kUnknown_TriState |
| }; |
| |
| GrGLuint fTempSrcFBOID; |
| GrGLuint fTempDstFBOID; |
| |
| GrGLuint fStencilClearFBOID; |
| |
| // last scissor / viewport scissor state seen by the GL. |
| struct { |
| TriState fEnabled; |
| GrGLIRect fRect; |
| void invalidate() { |
| fEnabled = kUnknown_TriState; |
| fRect.invalidate(); |
| } |
| } fHWScissorSettings; |
| |
| class { |
| public: |
| bool valid() const { return kInvalidSurfaceOrigin != fRTOrigin; } |
| void invalidate() { fRTOrigin = kInvalidSurfaceOrigin; } |
| bool knownDisabled() const { return this->valid() && !fWindowState.enabled(); } |
| void setDisabled() { |
| fRTOrigin = kTopLeft_GrSurfaceOrigin; |
| fWindowState.setDisabled(); |
| } |
| |
| void set(GrSurfaceOrigin rtOrigin, const GrGLIRect& viewport, |
| const GrWindowRectsState& windowState) { |
| fRTOrigin = rtOrigin; |
| fViewport = viewport; |
| fWindowState = windowState; |
| } |
| |
| bool knownEqualTo(GrSurfaceOrigin rtOrigin, const GrGLIRect& viewport, |
| const GrWindowRectsState& windowState) const { |
| if (!this->valid()) { |
| return false; |
| } |
| if (fWindowState.numWindows() && (fRTOrigin != rtOrigin || fViewport != viewport)) { |
| return false; |
| } |
| return fWindowState == windowState; |
| } |
| |
| private: |
| enum { kInvalidSurfaceOrigin = -1 }; |
| |
| int fRTOrigin; |
| GrGLIRect fViewport; |
| GrWindowRectsState fWindowState; |
| } fHWWindowRectsState; |
| |
| GrGLIRect fHWViewport; |
| |
| /** |
| * Tracks vertex attrib array state. |
| */ |
| class HWVertexArrayState { |
| public: |
| HWVertexArrayState() : fCoreProfileVertexArray(nullptr) { this->invalidate(); } |
| |
| ~HWVertexArrayState() { delete fCoreProfileVertexArray; } |
| |
| void invalidate() { |
| fBoundVertexArrayIDIsValid = false; |
| fDefaultVertexArrayAttribState.invalidate(); |
| if (fCoreProfileVertexArray) { |
| fCoreProfileVertexArray->invalidateCachedState(); |
| } |
| } |
| |
| void notifyVertexArrayDelete(GrGLuint id) { |
| if (fBoundVertexArrayIDIsValid && fBoundVertexArrayID == id) { |
| // Does implicit bind to 0 |
| fBoundVertexArrayID = 0; |
| } |
| } |
| |
| void setVertexArrayID(GrGLGpu* gpu, GrGLuint arrayID) { |
| if (!gpu->glCaps().vertexArrayObjectSupport()) { |
| SkASSERT(0 == arrayID); |
| return; |
| } |
| if (!fBoundVertexArrayIDIsValid || arrayID != fBoundVertexArrayID) { |
| GR_GL_CALL(gpu->glInterface(), BindVertexArray(arrayID)); |
| fBoundVertexArrayIDIsValid = true; |
| fBoundVertexArrayID = arrayID; |
| } |
| } |
| |
| /** |
| * Binds the vertex array that should be used for internal draws, and returns its attrib |
| * state. This binds the default VAO (ID=zero) unless we are on a core profile, in which |
| * case we use a dummy array instead. |
| * |
| * If an index buffer is privided, it will be bound to the vertex array. Otherwise the |
| * index buffer binding will be left unchanged. |
| * |
| * The returned GrGLAttribArrayState should be used to set vertex attribute arrays. |
| */ |
| GrGLAttribArrayState* bindInternalVertexArray(GrGLGpu*, const GrBuffer* ibuff = nullptr); |
| |
| private: |
| GrGLuint fBoundVertexArrayID; |
| bool fBoundVertexArrayIDIsValid; |
| |
| // We return a non-const pointer to this from bindArrayAndBuffersToDraw when vertex array 0 |
| // is bound. However, this class is internal to GrGLGpu and this object never leaks out of |
| // GrGLGpu. |
| GrGLAttribArrayState fDefaultVertexArrayAttribState; |
| |
| // This is used when we're using a core profile. |
| GrGLVertexArray* fCoreProfileVertexArray; |
| } fHWVertexArrayState; |
| |
| struct { |
| GrGLenum fGLTarget; |
| GrGpuResource::UniqueID fBoundBufferUniqueID; |
| bool fBufferZeroKnownBound; |
| |
| void invalidate() { |
| fBoundBufferUniqueID.makeInvalid(); |
| fBufferZeroKnownBound = false; |
| } |
| } fHWBufferState[kGrBufferTypeCount]; |
| |
| struct { |
| GrBlendEquation fEquation; |
| GrBlendCoeff fSrcCoeff; |
| GrBlendCoeff fDstCoeff; |
| GrColor fConstColor; |
| bool fConstColorValid; |
| TriState fEnabled; |
| |
| void invalidate() { |
| fEquation = static_cast<GrBlendEquation>(-1); |
| fSrcCoeff = static_cast<GrBlendCoeff>(-1); |
| fDstCoeff = static_cast<GrBlendCoeff>(-1); |
| fConstColorValid = false; |
| fEnabled = kUnknown_TriState; |
| } |
| } fHWBlendState; |
| |
| TriState fMSAAEnabled; |
| |
| GrStencilSettings fHWStencilSettings; |
| TriState fHWStencilTestEnabled; |
| |
| |
| TriState fHWWriteToColor; |
| GrGpuResource::UniqueID fHWBoundRenderTargetUniqueID; |
| TriState fHWSRGBFramebuffer; |
| SkTArray<GrGpuResource::UniqueID, true> fHWBoundTextureUniqueIDs; |
| |
| struct BufferTexture { |
| BufferTexture() : fTextureID(0), fKnownBound(false), |
| fAttachedBufferUniqueID(SK_InvalidUniqueID), |
| fSwizzle(GrSwizzle::RGBA()) {} |
| |
| GrGLuint fTextureID; |
| bool fKnownBound; |
| GrPixelConfig fTexelConfig; |
| GrGpuResource::UniqueID fAttachedBufferUniqueID; |
| GrSwizzle fSwizzle; |
| }; |
| |
| SkTArray<BufferTexture, true> fHWBufferTextures; |
| int fHWMaxUsedBufferTextureUnit; |
| |
| // EXT_raster_multisample. |
| TriState fHWRasterMultisampleEnabled; |
| int fHWNumRasterSamples; |
| ///@} |
| |
| /** IDs for copy surface program. (4 sampler types) */ |
| struct { |
| GrGLuint fProgram = 0; |
| GrGLint fTextureUniform = 0; |
| GrGLint fTexCoordXformUniform = 0; |
| GrGLint fPosXformUniform = 0; |
| } fCopyPrograms[4]; |
| sk_sp<GrGLBuffer> fCopyProgramArrayBuffer; |
| |
| /** IDs for texture mipmap program. (4 filter configurations) */ |
| struct { |
| GrGLuint fProgram = 0; |
| GrGLint fTextureUniform = 0; |
| GrGLint fTexCoordXformUniform = 0; |
| } fMipmapPrograms[4]; |
| sk_sp<GrGLBuffer> fMipmapProgramArrayBuffer; |
| |
| GrGLuint fStencilClipClearProgram = 0; |
| sk_sp<GrGLBuffer> fStencilClipClearArrayBuffer; |
| |
| /** IDs for clear render target color program. */ |
| struct { |
| GrGLuint fProgram = 0; |
| GrGLint fColorUniform = 0; |
| } fClearColorProgram; |
| sk_sp<GrGLBuffer> fClearProgramArrayBuffer; |
| |
| static int TextureToCopyProgramIdx(GrTexture* texture); |
| |
| static int TextureSizeToMipmapProgramIdx(int width, int height) { |
| const bool wide = (width > 1) && SkToBool(width & 0x1); |
| const bool tall = (height > 1) && SkToBool(height & 0x1); |
| return (wide ? 0x2 : 0x0) | (tall ? 0x1 : 0x0); |
| } |
| |
| float fHWMinSampleShading; |
| GrPrimitiveType fLastPrimitiveType; |
| |
| typedef GrGpu INHERITED; |
| friend class GrGLPathRendering; // For accessing setTextureUnit. |
| }; |
| |
| #endif |
