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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 #include "GrGLSL.h" | 8 #include "GrGLSL.h" |
| 9 #include "GrGLShaderVar.h" | 9 #include "GrGLShaderVar.h" |
| 10 #include "SkString.h" | 10 #include "SkString.h" |
| 11 | 11 |
| 12 GrGLSLGeneration GrGetGLSLGeneration(GrGLBinding binding, const GrGLInterface* g
l) { | 12 GrGLSLGeneration GrGetGLSLGeneration(const GrGLInterface* gl) { |
| 13 GrGLSLVersion ver = GrGLGetGLSLVersion(gl); | 13 GrGLSLVersion ver = GrGLGetGLSLVersion(gl); |
| 14 switch (binding) { | 14 switch (gl->fStandard) { |
| 15 case kDesktop_GrGLBinding: | 15 case kGL_GrGLStandard: |
| 16 SkASSERT(ver >= GR_GLSL_VER(1,10)); | 16 SkASSERT(ver >= GR_GLSL_VER(1,10)); |
| 17 if (ver >= GR_GLSL_VER(1,50)) { | 17 if (ver >= GR_GLSL_VER(1,50)) { |
| 18 return k150_GrGLSLGeneration; | 18 return k150_GrGLSLGeneration; |
| 19 } else if (ver >= GR_GLSL_VER(1,40)) { | 19 } else if (ver >= GR_GLSL_VER(1,40)) { |
| 20 return k140_GrGLSLGeneration; | 20 return k140_GrGLSLGeneration; |
| 21 } else if (ver >= GR_GLSL_VER(1,30)) { | 21 } else if (ver >= GR_GLSL_VER(1,30)) { |
| 22 return k130_GrGLSLGeneration; | 22 return k130_GrGLSLGeneration; |
| 23 } else { | 23 } else { |
| 24 return k110_GrGLSLGeneration; | 24 return k110_GrGLSLGeneration; |
| 25 } | 25 } |
| 26 case kES_GrGLBinding: | 26 case kGLES_GrGLStandard: |
| 27 // version 1.00 of ES GLSL based on ver 1.20 of desktop GLSL | 27 // version 1.00 of ES GLSL based on ver 1.20 of desktop GLSL |
| 28 SkASSERT(ver >= GR_GL_VER(1,00)); | 28 SkASSERT(ver >= GR_GL_VER(1,00)); |
| 29 return k110_GrGLSLGeneration; | 29 return k110_GrGLSLGeneration; |
| 30 default: | 30 default: |
| 31 GrCrash("Unknown GL Binding"); | 31 GrCrash("Unknown GL Standard"); |
| 32 return k110_GrGLSLGeneration; // suppress warning | 32 return k110_GrGLSLGeneration; // suppress warning |
| 33 } | 33 } |
| 34 } | 34 } |
| 35 | 35 |
| 36 const char* GrGetGLSLVersionDecl(const GrGLContextInfo& info) { | 36 const char* GrGetGLSLVersionDecl(const GrGLContextInfo& info) { |
| 37 switch (info.glslGeneration()) { | 37 switch (info.glslGeneration()) { |
| 38 case k110_GrGLSLGeneration: | 38 case k110_GrGLSLGeneration: |
| 39 if (kES_GrGLBinding == info.binding()) { | 39 if (kGLES_GrGLStandard == info.standard()) { |
| 40 // ES2s shader language is based on version 1.20 but is version | 40 // ES2s shader language is based on version 1.20 but is version |
| 41 // 1.00 of the ES language. | 41 // 1.00 of the ES language. |
| 42 return "#version 100\n"; | 42 return "#version 100\n"; |
| 43 } else { | 43 } else { |
| 44 SkASSERT(kDesktop_GrGLBinding == info.binding()); | 44 SkASSERT(kGL_GrGLStandard == info.standard()); |
| 45 return "#version 110\n"; | 45 return "#version 110\n"; |
| 46 } | 46 } |
| 47 case k130_GrGLSLGeneration: | 47 case k130_GrGLSLGeneration: |
| 48 SkASSERT(kDesktop_GrGLBinding == info.binding()); | 48 SkASSERT(kGL_GrGLStandard == info.standard()); |
| 49 return "#version 130\n"; | 49 return "#version 130\n"; |
| 50 case k140_GrGLSLGeneration: | 50 case k140_GrGLSLGeneration: |
| 51 SkASSERT(kDesktop_GrGLBinding == info.binding()); | 51 SkASSERT(kGL_GrGLStandard == info.standard()); |
| 52 return "#version 140\n"; | 52 return "#version 140\n"; |
| 53 case k150_GrGLSLGeneration: | 53 case k150_GrGLSLGeneration: |
| 54 SkASSERT(kDesktop_GrGLBinding == info.binding()); | 54 SkASSERT(kGL_GrGLStandard == info.standard()); |
| 55 if (info.caps()->isCoreProfile()) { | 55 if (info.caps()->isCoreProfile()) { |
| 56 return "#version 150\n"; | 56 return "#version 150\n"; |
| 57 } else { | 57 } else { |
| 58 return "#version 150 compatibility\n"; | 58 return "#version 150 compatibility\n"; |
| 59 } | 59 } |
| 60 default: | 60 default: |
| 61 GrCrash("Unknown GL version."); | 61 GrCrash("Unknown GL version."); |
| 62 return ""; // suppress warning | 62 return ""; // suppress warning |
| 63 } | 63 } |
| 64 } | 64 } |
| (...skipping 18 matching lines...) Expand all Loading... |
| 83 } | 83 } |
| 84 | 84 |
| 85 append_tabs(outAppend, tabCnt); | 85 append_tabs(outAppend, tabCnt); |
| 86 | 86 |
| 87 if (mulFactor.isZeros()) { | 87 if (mulFactor.isZeros()) { |
| 88 outAppend->appendf("%s = vec4(0);\n", vec4VarName); | 88 outAppend->appendf("%s = vec4(0);\n", vec4VarName); |
| 89 } else { | 89 } else { |
| 90 outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor.c_str()); | 90 outAppend->appendf("%s *= %s;\n", vec4VarName, mulFactor.c_str()); |
| 91 } | 91 } |
| 92 } | 92 } |
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