1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/**************************************************************************************************
*** This file was autogenerated from GrConstColorProcessor.fp; do not modify.
**************************************************************************************************/
#include "GrConstColorProcessor.h"
#include "glsl/GrGLSLFragmentProcessor.h"
#include "glsl/GrGLSLFragmentShaderBuilder.h"
#include "glsl/GrGLSLProgramBuilder.h"
#include "GrTexture.h"
#include "SkSLCPP.h"
#include "SkSLUtil.h"
class GrGLSLConstColorProcessor : public GrGLSLFragmentProcessor {
public:
GrGLSLConstColorProcessor() {}
void emitCode(EmitArgs& args) override {
GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
const GrConstColorProcessor& _outer = args.fFp.cast<GrConstColorProcessor>();
(void)_outer;
auto color = _outer.color();
(void)color;
auto mode = _outer.mode();
(void)mode;
fColorUniformVar = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kHalf4_GrSLType,
kDefault_GrSLPrecision, "colorUniform");
fragBuilder->codeAppendf(
"half4 prevColor;\n@switch (%d) {\n case 0:\n %s = %s;\n break;\n "
" case 1:\n %s = %s * %s;\n break;\n case 2:\n %s = %s.w "
"* %s;\n break;\n}\n",
(int)_outer.mode(), args.fOutputColor,
args.fUniformHandler->getUniformCStr(fColorUniformVar), args.fOutputColor,
args.fInputColor ? args.fInputColor : "half4(1)",
args.fUniformHandler->getUniformCStr(fColorUniformVar), args.fOutputColor,
args.fInputColor ? args.fInputColor : "half4(1)",
args.fUniformHandler->getUniformCStr(fColorUniformVar));
}
private:
void onSetData(const GrGLSLProgramDataManager& pdman,
const GrFragmentProcessor& _proc) override {
const GrConstColorProcessor& _outer = _proc.cast<GrConstColorProcessor>();
auto color = _outer.color();
(void)color;
UniformHandle& colorUniform = fColorUniformVar;
(void)colorUniform;
auto mode = _outer.mode();
(void)mode;
// We use the "illegal" color value as an uninit sentinel. With GrColor4f, the "illegal"
// color is *really* illegal (not just unpremultiplied), so this check is simple.
if (prevColor != color) {
pdman.set4fv(colorUniform, 1, color.fRGBA);
prevColor = color;
}
}
GrColor4f prevColor = GrColor4f::kIllegalConstructor;
UniformHandle fColorUniformVar;
};
GrGLSLFragmentProcessor* GrConstColorProcessor::onCreateGLSLInstance() const {
return new GrGLSLConstColorProcessor();
}
void GrConstColorProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps,
GrProcessorKeyBuilder* b) const {
b->add32((int32_t)fMode);
}
bool GrConstColorProcessor::onIsEqual(const GrFragmentProcessor& other) const {
const GrConstColorProcessor& that = other.cast<GrConstColorProcessor>();
(void)that;
if (fColor != that.fColor) return false;
if (fMode != that.fMode) return false;
return true;
}
GrConstColorProcessor::GrConstColorProcessor(const GrConstColorProcessor& src)
: INHERITED(kGrConstColorProcessor_ClassID, src.optimizationFlags())
, fColor(src.fColor)
, fMode(src.fMode) {}
std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::clone() const {
return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(*this));
}
GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrConstColorProcessor);
#if GR_TEST_UTILS
std::unique_ptr<GrFragmentProcessor> GrConstColorProcessor::TestCreate(GrProcessorTestData* d) {
GrColor4f color;
int colorPicker = d->fRandom->nextULessThan(3);
switch (colorPicker) {
case 0: {
uint32_t a = d->fRandom->nextULessThan(0x100);
uint32_t r = d->fRandom->nextULessThan(a + 1);
uint32_t g = d->fRandom->nextULessThan(a + 1);
uint32_t b = d->fRandom->nextULessThan(a + 1);
color = GrColor4f::FromGrColor(GrColorPackRGBA(r, g, b, a));
break;
}
case 1:
color = GrColor4f::TransparentBlack();
break;
case 2:
uint32_t c = d->fRandom->nextULessThan(0x100);
color = GrColor4f::FromGrColor(c | (c << 8) | (c << 16) | (c << 24));
break;
}
InputMode mode = static_cast<InputMode>(d->fRandom->nextULessThan(kInputModeCnt));
return GrConstColorProcessor::Make(color, mode);
}
#endif
|
