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| 1 /* |
| 2 * Copyright 2016 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef gr_instanced_GLInstancedRendering_DEFINED |
| 9 #define gr_instanced_GLInstancedRendering_DEFINED |
| 10 |
| 11 #include "gl/GrGLBuffer.h" |
| 12 #include "instanced/InstancedRendering.h" |
| 13 |
| 14 class GrGLGpu; |
| 15 |
| 16 #define GR_GL_LOG_INSTANCED_BATCHES 0 |
| 17 |
| 18 namespace gr_instanced { |
| 19 |
| 20 class GLInstancedRendering final : public InstancedRendering { |
| 21 public: |
| 22 static GLInstancedRendering* CreateIfSupported(GrGLGpu*); |
| 23 ~GLInstancedRendering() override; |
| 24 |
| 25 private: |
| 26 GLInstancedRendering(GrGLGpu*, AntialiasMode lastSupportedAAMode); |
| 27 |
| 28 GrGLGpu* glGpu() const; |
| 29 |
| 30 Batch* createBatch() override; |
| 31 |
| 32 void onBeginFlush(GrResourceProvider*) override; |
| 33 void onDraw(const GrPipeline&, const InstanceProcessor&, const Batch*) overr
ide; |
| 34 void onEndFlush() override; |
| 35 void onResetGpuResources(ResetType) override; |
| 36 |
| 37 void flushInstanceAttribs(int baseInstance); |
| 38 |
| 39 struct GLDrawCmdInfo { |
| 40 int fInstanceCount; |
| 41 #if GR_GL_LOG_INSTANCED_BATCHES |
| 42 IndexRange fGeometry; |
| 43 #endif |
| 44 }; |
| 45 |
| 46 GrGLuint fVertexArrayID; |
| 47 SkAutoTUnref<GrGLBuffer> fInstanceBuffer; |
| 48 SkAutoTUnref<GrGLBuffer> fDrawIndirectBuffer; |
| 49 SkAutoSTMalloc<1024, GLDrawCmdInfo> fGLDrawCmdsInfo; |
| 50 uint32_t fInstanceAttribsBufferUniqueId; |
| 51 int fInstanceAttribsBaseInstance; |
| 52 |
| 53 class GLBatch; |
| 54 |
| 55 typedef InstancedRendering INHERITED; |
| 56 }; |
| 57 |
| 58 } |
| 59 |
| 60 #endif |
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