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Side by Side Diff: src/gpu/effects/GrBitmapTextGeoProc.cpp

Issue 1438003003: Move all ShaderBuilder files to GLSL (Closed) Base URL: https://skia.googlesource.com/skia.git@glslProgBuild
Patch Set: nits Created 5 years, 1 month 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 #include "GrBitmapTextGeoProc.h" 8 #include "GrBitmapTextGeoProc.h"
9 #include "GrInvariantOutput.h" 9 #include "GrInvariantOutput.h"
10 #include "GrTexture.h" 10 #include "GrTexture.h"
11 #include "gl/GrGLFragmentProcessor.h" 11 #include "gl/GrGLFragmentProcessor.h"
12 #include "gl/GrGLTexture.h" 12 #include "gl/GrGLTexture.h"
13 #include "gl/GrGLGeometryProcessor.h" 13 #include "gl/GrGLGeometryProcessor.h"
14 #include "gl/builders/GrGLProgramBuilder.h" 14 #include "glsl/GrGLSLFragmentShaderBuilder.h"
15 #include "glsl/GrGLSLProgramBuilder.h"
15 #include "glsl/GrGLSLProgramDataManager.h" 16 #include "glsl/GrGLSLProgramDataManager.h"
17 #include "glsl/GrGLSLVertexShaderBuilder.h"
16 18
17 class GrGLBitmapTextGeoProc : public GrGLGeometryProcessor { 19 class GrGLBitmapTextGeoProc : public GrGLGeometryProcessor {
18 public: 20 public:
19 GrGLBitmapTextGeoProc() : fColor(GrColor_ILLEGAL) {} 21 GrGLBitmapTextGeoProc() : fColor(GrColor_ILLEGAL) {}
20 22
21 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { 23 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
22 const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>(); 24 const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>();
23 25
24 GrGLSLGPBuilder* pb = args.fPB; 26 GrGLSLGPBuilder* pb = args.fPB;
25 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); 27 GrGLSLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder();
26 28
27 // emit attributes 29 // emit attributes
28 vsBuilder->emitAttributes(cte); 30 vsBuilder->emitAttributes(cte);
29 31
30 // compute numbers to be hardcoded to convert texture coordinates from i nt to float 32 // compute numbers to be hardcoded to convert texture coordinates from i nt to float
31 SkASSERT(cte.numTextures() == 1); 33 SkASSERT(cte.numTextures() == 1);
32 GrTexture* atlas = cte.textureAccess(0).getTexture(); 34 GrTexture* atlas = cte.textureAccess(0).getTexture();
33 SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height())) ; 35 SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height())) ;
34 SkScalar recipWidth = 1.0f / atlas->width(); 36 SkScalar recipWidth = 1.0f / atlas->width();
35 SkScalar recipHeight = 1.0f / atlas->height(); 37 SkScalar recipHeight = 1.0f / atlas->height();
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50 } 52 }
51 } 53 }
52 54
53 // Setup position 55 // Setup position
54 this->setupPosition(pb, gpArgs, cte.inPosition()->fName); 56 this->setupPosition(pb, gpArgs, cte.inPosition()->fName);
55 57
56 // emit transforms 58 // emit transforms
57 this->emitTransforms(args.fPB, gpArgs->fPositionVar, cte.inPosition()->f Name, 59 this->emitTransforms(args.fPB, gpArgs->fPositionVar, cte.inPosition()->f Name,
58 cte.localMatrix(), args.fTransformsIn, args.fTransf ormsOut); 60 cte.localMatrix(), args.fTransformsIn, args.fTransf ormsOut);
59 61
60 GrGLFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder(); 62 GrGLSLFragmentBuilder* fsBuilder = pb->getFragmentShaderBuilder();
61 if (cte.maskFormat() == kARGB_GrMaskFormat) { 63 if (cte.maskFormat() == kARGB_GrMaskFormat) {
62 fsBuilder->codeAppendf("%s = ", args.fOutputColor); 64 fsBuilder->codeAppendf("%s = ", args.fOutputColor);
63 fsBuilder->appendTextureLookupAndModulate(args.fOutputColor, 65 fsBuilder->appendTextureLookupAndModulate(args.fOutputColor,
64 args.fSamplers[0], 66 args.fSamplers[0],
65 v.fsIn(), 67 v.fsIn(),
66 kVec2f_GrSLType); 68 kVec2f_GrSLType);
67 fsBuilder->codeAppend(";"); 69 fsBuilder->codeAppend(";");
68 fsBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage); 70 fsBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
69 } else { 71 } else {
70 fsBuilder->codeAppendf("%s = ", args.fOutputCoverage); 72 fsBuilder->codeAppendf("%s = ", args.fOutputCoverage);
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183 break; 185 break;
184 case 2: 186 case 2:
185 format = kARGB_GrMaskFormat; 187 format = kARGB_GrMaskFormat;
186 break; 188 break;
187 } 189 }
188 190
189 return GrBitmapTextGeoProc::Create(GrRandomColor(d->fRandom), d->fTextures[t exIdx], params, 191 return GrBitmapTextGeoProc::Create(GrRandomColor(d->fRandom), d->fTextures[t exIdx], params,
190 format, GrTest::TestMatrix(d->fRandom), 192 format, GrTest::TestMatrix(d->fRandom),
191 d->fRandom->nextBool()); 193 d->fRandom->nextBool());
192 } 194 }
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