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Side by Side Diff: src/gpu/glsl/GrGLSLFragmentProcessor.h

Issue 2324663004: Remove unneeded GrGLSLTransformedCoordsArray type (Closed)
Patch Set: update comments Created 4 years, 3 months ago
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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 GrGLSLFragmentProcessor_DEFINED 8 #ifndef GrGLSLFragmentProcessor_DEFINED
9 #define GrGLSLFragmentProcessor_DEFINED 9 #define GrGLSLFragmentProcessor_DEFINED
10 10
11 #include "GrFragmentProcessor.h" 11 #include "GrFragmentProcessor.h"
12 #include "glsl/GrGLSLProcessorTypes.h" 12 #include "GrShaderVar.h"
13 #include "glsl/GrGLSLProgramDataManager.h" 13 #include "glsl/GrGLSLProgramDataManager.h"
14 #include "glsl/GrGLSLSampler.h" 14 #include "glsl/GrGLSLSampler.h"
15 15
16 class GrProcessor; 16 class GrProcessor;
17 class GrProcessorKeyBuilder; 17 class GrProcessorKeyBuilder;
18 class GrGLSLCaps; 18 class GrGLSLCaps;
19 class GrGLSLFPBuilder; 19 class GrGLSLFPBuilder;
20 class GrGLSLFPFragmentBuilder; 20 class GrGLSLFPFragmentBuilder;
21 class GrGLSLUniformHandler; 21 class GrGLSLUniformHandler;
22 22
23 class GrGLSLFragmentProcessor { 23 class GrGLSLFragmentProcessor {
24 public: 24 public:
25 GrGLSLFragmentProcessor() {} 25 GrGLSLFragmentProcessor() {}
26 26
27 virtual ~GrGLSLFragmentProcessor() { 27 virtual ~GrGLSLFragmentProcessor() {
28 for (int i = 0; i < fChildProcessors.count(); ++i) { 28 for (int i = 0; i < fChildProcessors.count(); ++i) {
29 delete fChildProcessors[i]; 29 delete fChildProcessors[i];
30 } 30 }
31 } 31 }
32 32
33 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle; 33 typedef GrGLSLProgramDataManager::UniformHandle UniformHandle;
34 typedef GrGLSLProgramDataManager::UniformHandle SamplerHandle; 34 typedef GrGLSLProgramDataManager::UniformHandle SamplerHandle;
35 35
36 /** Called when the program stage should insert its code into the shaders. T he code in each 36 /** Called when the program stage should insert its code into the shaders. T he code in each
37 shader will be in its own block ({}) and so locally scoped names will no t collide across 37 shader will be in its own block ({}) and so locally scoped names will no t collide across
38 stages. 38 stages.
39 39
40 @param builder Interface used to emit code in the shaders. 40 @param fragBuilder Interface used to emit code in the shaders.
41 @param processor The processor that generated this program stage. 41 @param fp The processor that generated this program stage .
42 @param key The key that was computed by GenKey() from the gener ating GrProcessor. 42 @param key The key that was computed by GenKey() from the generating
43 @param outputColor A predefined vec4 in the FS in which the stage shoul d place its output 43 GrProcessor.
44 color (or coverage). 44 @param outputColor A predefined vec4 in the FS in which the stage should place its
45 @param inputColor A vec4 that holds the input color to the stage in th e FS. This may be 45 output color (or coverage).
46 nullptr in which case the implied input is solid whi te (all ones). 46 @param inputColor A vec4 that holds the input color to the stage in the FS. This may
47 TODO: Better system for communicating optimization i nfo (e.g. input 47 be nullptr in which case the implied input is s olid white (all
48 color is solid white, trans black, known to be opaqu e, etc.) that allows 48 ones). TODO: Better system for communicating op timization info
49 the processor to communicate back similar known info about its output. 49 (e.g. input color is solid white, trans black, known to be opaque,
50 @param samplers Contains one entry for each GrTextureAccess of the G rProcessor. These 50 etc.) that allows the processor to communicate back similar known
51 can be passed to the builder to emit texture reads i n the generated 51 info about its output.
52 code. 52 @param transformedCoords Fragment shader variables containing the coords computed using
53 each of the GrFragmentProcessor's Coord Transfo rms.
54 @param texSamplers Contains one entry for each GrTextureAccess of the GrProcessor.
55 These can be passed to the builder to emit text ure reads in the
56 generated code.
57 @param bufferSamplers Contains one entry for each GrBufferAccess of t he GrProcessor.
58 These can be passed to the builder to emit buff er reads in the
59 generated code.
53 */ 60 */
54
55 struct EmitArgs { 61 struct EmitArgs {
56 EmitArgs(GrGLSLFPFragmentBuilder* fragBuilder, 62 EmitArgs(GrGLSLFPFragmentBuilder* fragBuilder,
57 GrGLSLUniformHandler* uniformHandler, 63 GrGLSLUniformHandler* uniformHandler,
58 const GrGLSLCaps* caps, 64 const GrGLSLCaps* caps,
59 const GrFragmentProcessor& fp, 65 const GrFragmentProcessor& fp,
60 const char* outputColor, 66 const char* outputColor,
61 const char* inputColor, 67 const char* inputColor,
62 const GrGLSLTransformedCoordsArray& coords, 68 const SkTArray<GrShaderVar>& transformedCoords,
63 const SamplerHandle* texSamplers, 69 const SamplerHandle* texSamplers,
64 const SamplerHandle* bufferSamplers, 70 const SamplerHandle* bufferSamplers,
65 bool gpImplementsDistanceVector) 71 bool gpImplementsDistanceVector)
66 : fFragBuilder(fragBuilder) 72 : fFragBuilder(fragBuilder)
67 , fUniformHandler(uniformHandler) 73 , fUniformHandler(uniformHandler)
68 , fGLSLCaps(caps) 74 , fGLSLCaps(caps)
69 , fFp(fp) 75 , fFp(fp)
70 , fOutputColor(outputColor) 76 , fOutputColor(outputColor)
71 , fInputColor(inputColor) 77 , fInputColor(inputColor)
72 , fCoords(coords) 78 , fTransformedCoords(transformedCoords)
73 , fTexSamplers(texSamplers) 79 , fTexSamplers(texSamplers)
74 , fBufferSamplers(bufferSamplers) 80 , fBufferSamplers(bufferSamplers)
75 , fGpImplementsDistanceVector(gpImplementsDistanceVector){} 81 , fGpImplementsDistanceVector(gpImplementsDistanceVector) {}
76 GrGLSLFPFragmentBuilder* fFragBuilder; 82 GrGLSLFPFragmentBuilder* fFragBuilder;
77 GrGLSLUniformHandler* fUniformHandler; 83 GrGLSLUniformHandler* fUniformHandler;
78 const GrGLSLCaps* fGLSLCaps; 84 const GrGLSLCaps* fGLSLCaps;
79 const GrFragmentProcessor& fFp; 85 const GrFragmentProcessor& fFp;
80 const char* fOutputColor; 86 const char* fOutputColor;
81 const char* fInputColor; 87 const char* fInputColor;
82 const GrGLSLTransformedCoordsArray& fCoords; 88 const SkTArray<GrShaderVar>& fTransformedCoords;
83 const SamplerHandle* fTexSamplers; 89 const SamplerHandle* fTexSamplers;
84 const SamplerHandle* fBufferSamplers; 90 const SamplerHandle* fBufferSamplers;
85 bool fGpImplementsDistanceVector; 91 bool fGpImplementsDistanceVector;
86 }; 92 };
87 93
88 virtual void emitCode(EmitArgs&) = 0; 94 virtual void emitCode(EmitArgs&) = 0;
89 95
90 void setData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcesso r& processor); 96 void setData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcesso r& processor);
91 97
92 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil der*) {} 98 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuil der*) {}
(...skipping 29 matching lines...) Expand all
122 128
123 private: 129 private:
124 void internalEmitChild(int, const char*, const char*, EmitArgs&); 130 void internalEmitChild(int, const char*, const char*, EmitArgs&);
125 131
126 SkTArray<GrGLSLFragmentProcessor*, true> fChildProcessors; 132 SkTArray<GrGLSLFragmentProcessor*, true> fChildProcessors;
127 133
128 friend class GrFragmentProcessor; 134 friend class GrFragmentProcessor;
129 }; 135 };
130 136
131 #endif 137 #endif
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