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

Issue 1416423003: Make GrGLSLProgramBuilder base class for ProgramBuilder (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: nit 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 "gl/builders/GrGLProgramBuilder.h"
15 #include "glsl/GrGLSLProgramDataManager.h" 15 #include "glsl/GrGLSLProgramDataManager.h"
16 16
17 class GrGLBitmapTextGeoProc : public GrGLGeometryProcessor { 17 class GrGLBitmapTextGeoProc : public GrGLGeometryProcessor {
18 public: 18 public:
19 GrGLBitmapTextGeoProc() : fColor(GrColor_ILLEGAL) {} 19 GrGLBitmapTextGeoProc() : fColor(GrColor_ILLEGAL) {}
20 20
21 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { 21 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override {
22 const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>(); 22 const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>();
23 23
24 GrGLGPBuilder* pb = args.fPB; 24 GrGLSLGPBuilder* pb = args.fPB;
25 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder(); 25 GrGLVertexBuilder* vsBuilder = pb->getVertexShaderBuilder();
26 26
27 // emit attributes 27 // emit attributes
28 vsBuilder->emitAttributes(cte); 28 vsBuilder->emitAttributes(cte);
29 29
30 // compute numbers to be hardcoded to convert texture coordinates from i nt to float 30 // compute numbers to be hardcoded to convert texture coordinates from i nt to float
31 SkASSERT(cte.numTextures() == 1); 31 SkASSERT(cte.numTextures() == 1);
32 GrTexture* atlas = cte.textureAccess(0).getTexture(); 32 GrTexture* atlas = cte.textureAccess(0).getTexture();
33 SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height())) ; 33 SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height())) ;
34 SkScalar recipWidth = 1.0f / atlas->width(); 34 SkScalar recipWidth = 1.0f / atlas->width();
35 SkScalar recipHeight = 1.0f / atlas->height(); 35 SkScalar recipHeight = 1.0f / atlas->height();
36 36
37 GrGLVertToFrag v(kVec2f_GrSLType); 37 GrGLSLVertToFrag v(kVec2f_GrSLType);
38 pb->addVarying("TextureCoords", &v); 38 pb->addVarying("TextureCoords", &v);
39 vsBuilder->codeAppendf("%s = vec2(%.*f, %.*f) * %s;", v.vsOut(), 39 vsBuilder->codeAppendf("%s = vec2(%.*f, %.*f) * %s;", v.vsOut(),
40 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipWidth, 40 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipWidth,
41 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipHeight, 41 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipHeight,
42 cte.inTextureCoords()->fName); 42 cte.inTextureCoords()->fName);
43 43
44 // Setup pass through color 44 // Setup pass through color
45 if (!cte.colorIgnored()) { 45 if (!cte.colorIgnored()) {
46 if (cte.hasVertexColor()) { 46 if (cte.hasVertexColor()) {
47 pb->addPassThroughAttribute(cte.inColor(), args.fOutputColor); 47 pb->addPassThroughAttribute(cte.inColor(), args.fOutputColor);
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183 break; 183 break;
184 case 2: 184 case 2:
185 format = kARGB_GrMaskFormat; 185 format = kARGB_GrMaskFormat;
186 break; 186 break;
187 } 187 }
188 188
189 return GrBitmapTextGeoProc::Create(GrRandomColor(d->fRandom), d->fTextures[t exIdx], params, 189 return GrBitmapTextGeoProc::Create(GrRandomColor(d->fRandom), d->fTextures[t exIdx], params,
190 format, GrTest::TestMatrix(d->fRandom), 190 format, GrTest::TestMatrix(d->fRandom),
191 d->fRandom->nextBool()); 191 d->fRandom->nextBool());
192 } 192 }
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