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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 "GrGLEffect.h" | 11 #include "GrGLProcessor.h" |
12 | 12 |
13 /** | 13 /** |
14 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, the
n it must inherit | 14 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, the
n it must inherit |
15 * from this class. Since paths don't have vertices, this class is only meant to
be used internally | 15 * from this class. Since paths don't have vertices, this class is only meant to
be used internally |
16 * by skia, for special cases. | 16 * by skia, for special cases. |
17 */ | 17 */ |
18 class GrGLGeometryProcessor : public GrGLEffect { | 18 class GrGLGeometryProcessor : public GrGLProcessor { |
19 public: | 19 public: |
20 GrGLGeometryProcessor(const GrBackendEffectFactory& factory) | 20 GrGLGeometryProcessor(const GrBackendProcessorFactory& factory) |
21 : INHERITED(factory) { fIsVertexEffect = true; } | 21 : INHERITED(factory) {} |
22 | 22 |
23 /** | 23 /** |
24 * This is similar to emitCode() in the base class, except it takes a full s
hader builder. | 24 * This is similar to emitCode() in the base class, except it takes a full s
hader builder. |
25 * This allows the effect subclass to emit vertex code. | 25 * This allows the effect subclass to emit vertex code. |
26 */ | 26 */ |
27 virtual void emitCode(GrGLFullProgramBuilder* builder, | 27 virtual void emitCode(GrGLFullProgramBuilder* builder, |
28 const GrEffect& effect, | 28 const GrGeometryProcessor& geometryProcessor, |
29 const GrEffectKey& key, | 29 const GrProcessorKey& key, |
30 const char* outputColor, | 30 const char* outputColor, |
31 const char* inputColor, | 31 const char* inputColor, |
32 const TransformedCoordsArray& coords, | 32 const TransformedCoordsArray& coords, |
33 const TextureSamplerArray& samplers) = 0; | 33 const TextureSamplerArray& samplers) = 0; |
34 /** | |
35 * Provide a default override for base class's emitCode() function. | |
36 */ | |
37 virtual void emitCode(GrGLProgramBuilder* builder, | |
38 const GrEffect& effect, | |
39 const GrEffectKey& key, | |
40 const char* outputColor, | |
41 const char* inputColor, | |
42 const TransformedCoordsArray& coords, | |
43 const TextureSamplerArray& samplers) SK_OVERRIDE { | |
44 SkFAIL("GrGLGeometryProcessor requires GrGLFullProgramBuilder* overload
for emitCode()."); | |
45 } | |
46 | |
47 | 34 |
48 private: | 35 private: |
49 typedef GrGLEffect INHERITED; | 36 typedef GrGLProcessor INHERITED; |
50 }; | 37 }; |
51 | 38 |
52 #endif | 39 #endif |
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