| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrDrawingManager_DEFINED |
| #define GrDrawingManager_DEFINED |
| |
| #include "GrOpFlushState.h" |
| #include "GrPathRenderer.h" |
| #include "GrPathRendererChain.h" |
| #include "GrRenderTargetOpList.h" |
| #include "GrResourceCache.h" |
| #include "SkTArray.h" |
| #include "instanced/InstancedRendering.h" |
| #include "text/GrAtlasTextContext.h" |
| |
| class GrContext; |
| class GrOnFlushCallbackObject; |
| class GrRenderTargetContext; |
| class GrRenderTargetProxy; |
| class GrSingleOWner; |
| class GrSoftwarePathRenderer; |
| class GrTextureContext; |
| class GrTextureOpList; |
| |
| // The GrDrawingManager allocates a new GrRenderTargetContext for each GrRenderTarget |
| // but all of them still land in the same GrOpList! |
| // |
| // In the future this class will allocate a new GrRenderTargetContext for |
| // each GrRenderTarget/GrOpList and manage the DAG. |
| class GrDrawingManager { |
| public: |
| ~GrDrawingManager(); |
| |
| bool wasAbandoned() const { return fAbandoned; } |
| void freeGpuResources(); |
| |
| gr_instanced::OpAllocator* instancingAllocator(); |
| |
| sk_sp<GrRenderTargetContext> makeRenderTargetContext(sk_sp<GrSurfaceProxy>, |
| sk_sp<SkColorSpace>, |
| const SkSurfaceProps*, |
| bool managedOpList = true); |
| sk_sp<GrTextureContext> makeTextureContext(sk_sp<GrSurfaceProxy>, sk_sp<SkColorSpace>); |
| |
| // The caller automatically gets a ref on the returned opList. It must |
| // be balanced by an unref call. |
| // A managed opList is controlled by the drawing manager (i.e., sorted & flushed with the |
| // other). An unmanaged one is created and used by the onFlushCallback. |
| sk_sp<GrRenderTargetOpList> newRTOpList(GrRenderTargetProxy* rtp, bool managedOpList); |
| sk_sp<GrTextureOpList> newTextureOpList(GrTextureProxy* textureProxy); |
| |
| GrContext* getContext() { return fContext; } |
| |
| GrAtlasTextContext* getAtlasTextContext(); |
| |
| GrPathRenderer* getPathRenderer(const GrPathRenderer::CanDrawPathArgs& args, |
| bool allowSW, |
| GrPathRendererChain::DrawType drawType, |
| GrPathRenderer::StencilSupport* stencilSupport = nullptr); |
| |
| void flushIfNecessary() { |
| if (fContext->getResourceCache()->requestsFlush()) { |
| this->internalFlush(nullptr, GrResourceCache::kCacheRequested, 0, nullptr); |
| } |
| } |
| |
| static bool ProgramUnitTest(GrContext* context, int maxStages, int maxLevels); |
| |
| GrSemaphoresSubmitted prepareSurfaceForExternalIO(GrSurfaceProxy*, |
| int numSemaphores, |
| GrBackendSemaphore backendSemaphores[]); |
| |
| void addOnFlushCallbackObject(GrOnFlushCallbackObject*); |
| void testingOnly_removeOnFlushCallbackObject(GrOnFlushCallbackObject*); |
| |
| private: |
| GrDrawingManager(GrContext* context, |
| const GrPathRendererChain::Options& optionsForPathRendererChain, |
| GrSingleOwner* singleOwner) |
| : fContext(context) |
| , fOptionsForPathRendererChain(optionsForPathRendererChain) |
| , fSingleOwner(singleOwner) |
| , fAbandoned(false) |
| , fAtlasTextContext(nullptr) |
| , fPathRendererChain(nullptr) |
| , fSoftwarePathRenderer(nullptr) |
| , fFlushState(context->getGpu(), context->resourceProvider()) |
| , fFlushing(false) { |
| } |
| |
| void abandon(); |
| void cleanup(); |
| void reset(); |
| GrSemaphoresSubmitted flush(GrSurfaceProxy* proxy, |
| int numSemaphores = 0, |
| GrBackendSemaphore backendSemaphores[] = nullptr) { |
| return this->internalFlush(proxy, GrResourceCache::FlushType::kExternal, |
| numSemaphores, backendSemaphores); |
| } |
| GrSemaphoresSubmitted internalFlush(GrSurfaceProxy*, |
| GrResourceCache::FlushType, |
| int numSemaphores, |
| GrBackendSemaphore backendSemaphores[]); |
| |
| friend class GrContext; // for access to: ctor, abandon, reset & flush |
| friend class GrContextPriv; // access to: flush |
| friend class GrOnFlushResourceProvider; // this is just a shallow wrapper around this class |
| |
| static const int kNumPixelGeometries = 5; // The different pixel geometries |
| static const int kNumDFTOptions = 2; // DFT or no DFT |
| |
| GrContext* fContext; |
| GrPathRendererChain::Options fOptionsForPathRendererChain; |
| |
| // In debug builds we guard against improper thread handling |
| GrSingleOwner* fSingleOwner; |
| |
| bool fAbandoned; |
| SkTArray<sk_sp<GrOpList>> fOpLists; |
| |
| std::unique_ptr<GrAtlasTextContext> fAtlasTextContext; |
| |
| GrPathRendererChain* fPathRendererChain; |
| GrSoftwarePathRenderer* fSoftwarePathRenderer; |
| |
| GrOpFlushState fFlushState; |
| bool fFlushing; |
| |
| SkTArray<GrOnFlushCallbackObject*> fOnFlushCBObjects; |
| |
| // Lazily allocated |
| std::unique_ptr<gr_instanced::OpAllocator> fInstancingAllocator; |
| }; |
| |
| #endif |