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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 "glsl/GrGLSLFragmentShaderBuilder.h" | 11 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
12 #include "glsl/GrGLSLGeometryProcessor.h" | 12 #include "glsl/GrGLSLGeometryProcessor.h" |
13 #include "glsl/GrGLSLProgramBuilder.h" | |
14 #include "glsl/GrGLSLProgramDataManager.h" | 13 #include "glsl/GrGLSLProgramDataManager.h" |
| 14 #include "glsl/GrGLSLUniformHandler.h" |
15 #include "glsl/GrGLSLVarying.h" | 15 #include "glsl/GrGLSLVarying.h" |
16 #include "glsl/GrGLSLVertexShaderBuilder.h" | 16 #include "glsl/GrGLSLVertexShaderBuilder.h" |
17 | 17 |
18 class GrGLBitmapTextGeoProc : public GrGLSLGeometryProcessor { | 18 class GrGLBitmapTextGeoProc : public GrGLSLGeometryProcessor { |
19 public: | 19 public: |
20 GrGLBitmapTextGeoProc() : fColor(GrColor_ILLEGAL) {} | 20 GrGLBitmapTextGeoProc() : fColor(GrColor_ILLEGAL) {} |
21 | 21 |
22 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { | 22 void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
23 const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>(); | 23 const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>(); |
24 | 24 |
25 GrGLSLGPBuilder* pb = args.fPB; | |
26 GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; | 25 GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
27 GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; | 26 GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
| 27 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
28 | 28 |
29 // emit attributes | 29 // emit attributes |
30 varyingHandler->emitAttributes(cte); | 30 varyingHandler->emitAttributes(cte); |
31 | 31 |
32 // 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 |
33 SkASSERT(cte.numTextures() == 1); | 33 SkASSERT(cte.numTextures() == 1); |
34 GrTexture* atlas = cte.textureAccess(0).getTexture(); | 34 GrTexture* atlas = cte.textureAccess(0).getTexture(); |
35 SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height()))
; | 35 SkASSERT(atlas && SkIsPow2(atlas->width()) && SkIsPow2(atlas->height()))
; |
36 SkScalar recipWidth = 1.0f / atlas->width(); | 36 SkScalar recipWidth = 1.0f / atlas->width(); |
37 SkScalar recipHeight = 1.0f / atlas->height(); | 37 SkScalar recipHeight = 1.0f / atlas->height(); |
38 | 38 |
39 GrGLSLVertToFrag v(kVec2f_GrSLType); | 39 GrGLSLVertToFrag v(kVec2f_GrSLType); |
40 varyingHandler->addVarying("TextureCoords", &v); | 40 varyingHandler->addVarying("TextureCoords", &v); |
41 vertBuilder->codeAppendf("%s = vec2(%.*f, %.*f) * %s;", v.vsOut(), | 41 vertBuilder->codeAppendf("%s = vec2(%.*f, %.*f) * %s;", v.vsOut(), |
42 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipWidth, | 42 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipWidth, |
43 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipHeight, | 43 GR_SIGNIFICANT_POW2_DECIMAL_DIG, recipHeight, |
44 cte.inTextureCoords()->fName); | 44 cte.inTextureCoords()->fName); |
45 | 45 |
46 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 46 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
47 // Setup pass through color | 47 // Setup pass through color |
48 if (!cte.colorIgnored()) { | 48 if (!cte.colorIgnored()) { |
49 if (cte.hasVertexColor()) { | 49 if (cte.hasVertexColor()) { |
50 varyingHandler->addPassThroughAttribute(cte.inColor(), args.fOut
putColor); | 50 varyingHandler->addPassThroughAttribute(cte.inColor(), args.fOut
putColor); |
51 } else { | 51 } else { |
52 this->setupUniformColor(pb, fragBuilder, args.fOutputColor, &fCo
lorUniform); | 52 this->setupUniformColor(fragBuilder, uniformHandler, args.fOutpu
tColor, |
| 53 &fColorUniform); |
53 } | 54 } |
54 } | 55 } |
55 | 56 |
56 // Setup position | 57 // Setup position |
57 this->setupPosition(pb, vertBuilder, gpArgs, cte.inPosition()->fName); | 58 this->setupPosition(vertBuilder, gpArgs, cte.inPosition()->fName); |
58 | 59 |
59 // emit transforms | 60 // emit transforms |
60 this->emitTransforms(args.fPB, | 61 this->emitTransforms(vertBuilder, |
61 vertBuilder, | |
62 varyingHandler, | 62 varyingHandler, |
| 63 uniformHandler, |
63 gpArgs->fPositionVar, | 64 gpArgs->fPositionVar, |
64 cte.inPosition()->fName, | 65 cte.inPosition()->fName, |
65 cte.localMatrix(), | 66 cte.localMatrix(), |
66 args.fTransformsIn, | 67 args.fTransformsIn, |
67 args.fTransformsOut); | 68 args.fTransformsOut); |
68 | 69 |
69 if (cte.maskFormat() == kARGB_GrMaskFormat) { | 70 if (cte.maskFormat() == kARGB_GrMaskFormat) { |
70 fragBuilder->codeAppendf("%s = ", args.fOutputColor); | 71 fragBuilder->codeAppendf("%s = ", args.fOutputColor); |
71 fragBuilder->appendTextureLookupAndModulate(args.fOutputColor, | 72 fragBuilder->appendTextureLookupAndModulate(args.fOutputColor, |
72 args.fSamplers[0], | 73 args.fSamplers[0], |
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192 break; | 193 break; |
193 case 2: | 194 case 2: |
194 format = kARGB_GrMaskFormat; | 195 format = kARGB_GrMaskFormat; |
195 break; | 196 break; |
196 } | 197 } |
197 | 198 |
198 return GrBitmapTextGeoProc::Create(GrRandomColor(d->fRandom), d->fTextures[t
exIdx], params, | 199 return GrBitmapTextGeoProc::Create(GrRandomColor(d->fRandom), d->fTextures[t
exIdx], params, |
199 format, GrTest::TestMatrix(d->fRandom), | 200 format, GrTest::TestMatrix(d->fRandom), |
200 d->fRandom->nextBool()); | 201 d->fRandom->nextBool()); |
201 } | 202 } |
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