| /* |
| * 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 GrGLRenderTarget_DEFINED |
| #define GrGLRenderTarget_DEFINED |
| |
| #include "include/core/SkScalar.h" |
| #include "include/gpu/GrBackendSurface.h" |
| #include "src/gpu/GrRenderTarget.h" |
| |
| class GrGLCaps; |
| class GrGLGpu; |
| class GrGLAttachment; |
| |
| class GrGLRenderTarget : public GrRenderTarget { |
| public: |
| using GrSurface::glRTFBOIDis0; |
| bool alwaysClearStencil() const override { return this->glRTFBOIDis0(); } |
| |
| // set fSingleSampleFBOID to this value to indicate that it is multisampled but |
| // Gr doesn't know how to resolve it. |
| enum { kUnresolvableFBOID = 0 }; |
| |
| struct IDs { |
| GrGLuint fMultisampleFBOID; |
| GrBackendObjectOwnership fRTFBOOwnership; |
| GrGLuint fSingleSampleFBOID; |
| GrGLuint fMSColorRenderbufferID; |
| int fTotalMemorySamplesPerPixel; |
| }; |
| |
| static sk_sp<GrGLRenderTarget> MakeWrapped(GrGLGpu*, |
| const SkISize&, |
| GrGLFormat, |
| int sampleCount, |
| const IDs&, |
| int stencilBits); |
| |
| GrGLuint singleSampleFBOID() const { return fSingleSampleFBOID; } |
| GrGLuint multisampleFBOID() const { return fMultisampleFBOID; } |
| |
| GrBackendRenderTarget getBackendRenderTarget() const override; |
| |
| GrBackendFormat backendFormat() const override; |
| |
| bool canAttemptStencilAttachment(bool useMultisampleFBO) const override; |
| |
| // GrGLRenderTarget overrides dumpMemoryStatistics so it can log its texture and renderbuffer |
| // components separately. |
| void dumpMemoryStatistics(SkTraceMemoryDump* traceMemoryDump) const override; |
| |
| GrGLFormat format() const { return fRTFormat; } |
| |
| bool hasDynamicMSAAAttachment() const { return SkToBool(fDynamicMSAAAttachment); } |
| bool ensureDynamicMSAAAttachment(); |
| |
| protected: |
| // Constructor for subclasses. |
| GrGLRenderTarget(GrGLGpu*, |
| const SkISize&, |
| GrGLFormat, |
| int sampleCount, |
| const IDs&); |
| |
| void init(GrGLFormat, const IDs&); |
| |
| void onAbandon() override; |
| void onRelease() override; |
| |
| int totalMemorySamplesPerPixel() const { return fTotalMemorySamplesPerPixel; } |
| |
| private: |
| // Constructor for instances wrapping backend objects. |
| GrGLRenderTarget( |
| GrGLGpu*, const SkISize&, GrGLFormat, int sampleCount, const IDs&, |
| sk_sp<GrGLAttachment> stencil); |
| |
| void setFlags(const GrGLCaps&, const IDs&); |
| |
| GrGLGpu* getGLGpu() const; |
| bool completeStencilAttachment(GrAttachment* stencil, bool useMultisampleFBO) override; |
| |
| size_t onGpuMemorySize() const override; |
| |
| sk_sp<GrGLAttachment> fDynamicMSAAAttachment; |
| |
| GrGLuint fMultisampleFBOID; |
| GrGLuint fSingleSampleFBOID; |
| GrGLuint fMSColorRenderbufferID; |
| GrGLFormat fRTFormat; |
| |
| GrBackendObjectOwnership fRTFBOOwnership; |
| |
| // The RenderTarget needs to be able to report its VRAM footprint even after abandon and |
| // release have potentially zeroed out the IDs (e.g., so the cache can reset itself). Since |
| // the IDs are just required for the computation in totalSamples we cache that result here. |
| int fTotalMemorySamplesPerPixel; |
| |
| using INHERITED = GrRenderTarget; |
| }; |
| |
| #endif |