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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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