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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrGLGeometryProcessor_DEFINED | 8 #ifndef GrGLGeometryProcessor_DEFINED |
9 #define GrGLGeometryProcessor_DEFINED | 9 #define GrGLGeometryProcessor_DEFINED |
10 | 10 |
11 #include "GrGLProcessor.h" | 11 #include "GrGLProcessor.h" |
12 | 12 |
13 class GrGLGPBuilder; | 13 class GrGLGPBuilder; |
14 | 14 |
15 /** | 15 /** |
16 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, the
n it must inherit | 16 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, the
n it must inherit |
17 * from this class. Since paths don't have vertices, this class is only meant to
be used internally | 17 * from this class. Since paths don't have vertices, this class is only meant to
be used internally |
18 * by skia, for special cases. | 18 * by skia, for special cases. |
19 */ | 19 */ |
20 class GrGLGeometryProcessor : public GrGLProcessor { | 20 class GrGLGeometryProcessor : public GrGLProcessor { |
21 public: | 21 public: |
22 GrGLGeometryProcessor(const GrBackendProcessorFactory& factory) | 22 GrGLGeometryProcessor(const GrBackendProcessorFactory& factory) |
23 : INHERITED(factory) {} | 23 : INHERITED(factory) {} |
24 | 24 |
| 25 struct EmitArgs { |
| 26 EmitArgs(GrGLGPBuilder* pb, |
| 27 const GrGeometryProcessor& gp, |
| 28 const GrProcessorKey& key, |
| 29 const char* output, |
| 30 const char* input, |
| 31 const TextureSamplerArray& samplers) |
| 32 : fPB(pb), fGP(gp), fKey(key), fOutput(output), fInput(input), fSamp
lers(samplers) {} |
| 33 GrGLGPBuilder* fPB; |
| 34 const GrGeometryProcessor& fGP; |
| 35 const GrProcessorKey& fKey; |
| 36 const char* fOutput; |
| 37 const char* fInput; |
| 38 const TextureSamplerArray& fSamplers; |
| 39 }; |
25 /** | 40 /** |
26 * This is similar to emitCode() in the base class, except it takes a full s
hader builder. | 41 * This is similar to emitCode() in the base class, except it takes a full s
hader builder. |
27 * This allows the effect subclass to emit vertex code. | 42 * This allows the effect subclass to emit vertex code. |
28 */ | 43 */ |
29 virtual void emitCode(GrGLGPBuilder* builder, | 44 virtual void emitCode(const EmitArgs&) = 0; |
30 const GrGeometryProcessor& geometryProcessor, | |
31 const GrProcessorKey& key, | |
32 const char* outputColor, | |
33 const char* inputColor, | |
34 const TransformedCoordsArray& coords, | |
35 const TextureSamplerArray& samplers) = 0; | |
36 | 45 |
37 private: | 46 private: |
38 typedef GrGLProcessor INHERITED; | 47 typedef GrGLProcessor INHERITED; |
39 }; | 48 }; |
40 | 49 |
41 #endif | 50 #endif |
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