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
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "effects/GrSingleTextureEffect.h"
#include "gl/GrGLEffect.h"
#include "gl/GrGLSL.h"
#include "gl/GrGLTexture.h"
#include "GrTBackendEffectFactory.h"
#include "GrTexture.h"
class GrGLSingleTextureEffect : public GrGLEffect {
public:
GrGLSingleTextureEffect(const GrBackendEffectFactory& factory, const GrEffect&)
: INHERITED (factory) {
}
virtual void emitCode(GrGLShaderBuilder* builder,
const GrEffectStage&,
EffectKey,
const char* vertexCoords,
const char* outputColor,
const char* inputColor,
const TextureSamplerArray& samplers) SK_OVERRIDE {
builder->fFSCode.appendf("\t%s = ", outputColor);
builder->appendTextureLookupAndModulate(&builder->fFSCode, inputColor, samplers[0]);
builder->fFSCode.append(";\n");
}
static inline EffectKey GenKey(const GrEffectStage&, const GrGLCaps&) { return 0; }
private:
typedef GrGLEffect INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
GrSingleTextureEffect::GrSingleTextureEffect(GrTexture* texture)
: INHERITED(1)
, fTextureAccess(texture) {
}
GrSingleTextureEffect::GrSingleTextureEffect(GrTexture* texture, bool bilerp)
: INHERITED(1)
, fTextureAccess(texture, bilerp) {
}
GrSingleTextureEffect::GrSingleTextureEffect(GrTexture* texture, const GrTextureParams& params)
: INHERITED(1)
, fTextureAccess(texture, params) {
}
GrSingleTextureEffect::~GrSingleTextureEffect() {
}
const GrTextureAccess& GrSingleTextureEffect::textureAccess(int index) const {
GrAssert(0 == index);
return fTextureAccess;
}
const GrBackendEffectFactory& GrSingleTextureEffect::getFactory() const {
return GrTBackendEffectFactory<GrSingleTextureEffect>::getInstance();
}
///////////////////////////////////////////////////////////////////////////////
GR_DEFINE_EFFECT_TEST(GrSingleTextureEffect);
GrEffect* GrSingleTextureEffect::TestCreate(SkRandom* random,
GrContext* context,
GrTexture* textures[]) {
int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx :
GrEffectUnitTest::kAlphaTextureIdx;
return SkNEW_ARGS(GrSingleTextureEffect, (textures[texIdx]));
}
|
