1 /*
2 * Copyright 2018 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 /**************************************************************************************************
9 *** This file was autogenerated from GrConstColorProcessor.fp; do not modify.
10 **************************************************************************************************/
11 #include "GrConstColorProcessor.h"
12 #if SK_SUPPORT_GPU
13 #include "glsl/GrGLSLFragmentProcessor.h"
14 #include "glsl/GrGLSLFragmentShaderBuilder.h"
15 #include "glsl/GrGLSLProgramBuilder.h"
16 #include "GrTexture.h"
17 #include "SkSLCPP.h"
18 #include "SkSLUtil.h"
19 class GrGLSLConstColorProcessor : public GrGLSLFragmentProcessor {
20 public:
GrGLSLConstColorProcessor()21 GrGLSLConstColorProcessor() {}
emitCode(EmitArgs & args)22 void emitCode(EmitArgs& args) override {
23 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
24 const GrConstColorProcessor& _outer = args.fFp.cast<GrConstColorProcessor>();
25 (void)_outer;
26 auto color = _outer.color();
27 (void)color;
28 auto mode = _outer.mode();
29 (void)mode;
30 fColorUniformVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType,
31 kDefault_GrSLPrecision, "colorUniform");
32 fragBuilder->codeAppendf(
33 "half4 prevColor;\n@switch (%d) {\n case 0:\n %s = %s;\n break;\n "
34 " case 1:\n %s = %s * %s;\n break;\n case 2:\n %s = %s.w "
35 "* %s;\n break;\n}\n",
36 (int)_outer.mode(), args.fOutputColor,
37 args.fUniformHandler->getUniformCStr(fColorUniformVar), args.fOutputColor,
38 args.fInputColor ? args.fInputColor : "half4(1)",
39 args.fUniformHandler->getUniformCStr(fColorUniformVar), args.fOutputColor,
40 args.fInputColor ? args.fInputColor : "half4(1)",
41 args.fUniformHandler->getUniformCStr(fColorUniformVar));
42 }
43
44 private:
onSetData(const GrGLSLProgramDataManager & pdman,const GrFragmentProcessor & _proc)45 void onSetData(const GrGLSLProgramDataManager& pdman,
46 const GrFragmentProcessor& _proc) override {
47 const GrConstColorProcessor& _outer = _proc.cast<GrConstColorProcessor>();
48 auto color = _outer.color();
49 (void)color;
50 UniformHandle& colorUniform = fColorUniformVar;
51 (void)colorUniform;
52 auto mode = _outer.mode();
53 (void)mode;
54
55 // We use the "illegal" color value as an uninit sentinel. With GrColor4f, the "illegal"
56 // color is *really* illegal (not just unpremultiplied), so this check is simple.
57 if (prevColor != color) {
58 pdman.set4fv(colorUniform, 1, color.fRGBA);
59 prevColor = color;
60 }
61 }
62 GrColor4f prevColor = GrColor4f::kIllegalConstructor;
63 UniformHandle fColorUniformVar;
64 };
onCreateGLSLInstance() const65 GrGLSLFragmentProcessor* GrConstColorProcessor::onCreateGLSLInstance() const {
66 return new GrGLSLConstColorProcessor();
67 }
onGetGLSLProcessorKey(const GrShaderCaps & caps,GrProcessorKeyBuilder * b) const68 void GrConstColorProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
69 GrProcessorKeyBuilder* b) const {
70 b->add32((int32_t)fMode);
71 }
onIsEqual(const GrFragmentProcessor & other) const72 bool GrConstColorProcessor::onIsEqual(const GrFragmentProcessor& other) const {
73 const GrConstColorProcessor& that = other.cast<GrConstColorProcessor>();
74 (void)that;
75 if (fColor != that.fColor) return false;
76 if (fMode != that.fMode) return false;
77 return true;
78 }
GrConstColorProcessor(const GrConstColorProcessor & src)79 GrConstColorProcessor::GrConstColorProcessor(const GrConstColorProcessor& src)
80 : INHERITED(kGrConstColorProcessor_ClassID, src.optimizationFlags())
81 , fColor(src.fColor)
82 , fMode(src.fMode) {}
clone() const83 std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::clone() const {
84 return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(*this));
85 }
86 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConstColorProcessor);
87 #if GR_TEST_UTILS
TestCreate(GrProcessorTestData * d)88 std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::TestCreate(GrProcessorTestData* d) {
89 GrColor4f color;
90 int colorPicker = d->fRandom->nextULessThan(3);
91 switch (colorPicker) {
92 case 0: {
93 uint32_t a = d->fRandom->nextULessThan(0x100);
94 uint32_t r = d->fRandom->nextULessThan(a + 1);
95 uint32_t g = d->fRandom->nextULessThan(a + 1);
96 uint32_t b = d->fRandom->nextULessThan(a + 1);
97 color = GrColor4f::FromGrColor(GrColorPackRGBA(r, g, b, a));
98 break;
99 }
100 case 1:
101 color = GrColor4f::TransparentBlack();
102 break;
103 case 2:
104 uint32_t c = d->fRandom->nextULessThan(0x100);
105 color = GrColor4f::FromGrColor(c | (c << 8) | (c << 16) | (c << 24));
106 break;
107 }
108 InputMode mode = static_cast<InputMode>(d->fRandom->nextULessThan(kInputModeCnt));
109 return GrConstColorProcessor::Make(color, mode);
110 }
111 #endif
112 #endif
113