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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 GrGLSL_DEFINED | 8 #ifndef GrGLSL_DEFINED |
9 #define GrGLSL_DEFINED | 9 #define GrGLSL_DEFINED |
10 | 10 |
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63 return "vec3"; | 63 return "vec3"; |
64 case kVec4f_GrSLType: | 64 case kVec4f_GrSLType: |
65 return "vec4"; | 65 return "vec4"; |
66 case kMat33f_GrSLType: | 66 case kMat33f_GrSLType: |
67 return "mat3"; | 67 return "mat3"; |
68 case kMat44f_GrSLType: | 68 case kMat44f_GrSLType: |
69 return "mat4"; | 69 return "mat4"; |
70 case kSampler2D_GrSLType: | 70 case kSampler2D_GrSLType: |
71 return "sampler2D"; | 71 return "sampler2D"; |
72 default: | 72 default: |
73 GrCrash("Unknown shader var type."); | 73 SkFAIL("Unknown shader var type."); |
74 return ""; // suppress warning | 74 return ""; // suppress warning |
75 } | 75 } |
76 } | 76 } |
77 | 77 |
78 /** A generic base-class representing a GLSL expression. | 78 /** A generic base-class representing a GLSL expression. |
79 * The instance can be a variable name, expression or vecN(0) or vecN(1). Does s
imple constant | 79 * The instance can be a variable name, expression or vecN(0) or vecN(1). Does s
imple constant |
80 * folding with help of 1 and 0. | 80 * folding with help of 1 and 0. |
81 * | 81 * |
82 * Clients should not use this class, rather the specific instantiations defined | 82 * Clients should not use this class, rather the specific instantiations defined |
83 * later, for example GrGLSLExpr4. | 83 * later, for example GrGLSLExpr4. |
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311 /** | 311 /** |
312 * Does an inplace mul, *=, of vec4VarName by mulFactor. | 312 * Does an inplace mul, *=, of vec4VarName by mulFactor. |
313 * A semicolon and newline are added after the assignment. | 313 * A semicolon and newline are added after the assignment. |
314 */ | 314 */ |
315 void GrGLSLMulVarBy4f(SkString* outAppend, unsigned tabCnt, | 315 void GrGLSLMulVarBy4f(SkString* outAppend, unsigned tabCnt, |
316 const char* vec4VarName, const GrGLSLExpr4& mulFactor); | 316 const char* vec4VarName, const GrGLSLExpr4& mulFactor); |
317 | 317 |
318 #include "GrGLSL_impl.h" | 318 #include "GrGLSL_impl.h" |
319 | 319 |
320 #endif | 320 #endif |
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