blob: 478d03dee109e8ca264736448940ec07e5111406 (
plain)
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
|
/*
* 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 "GrGLSL.h"
#include "GrGLEffect.h"
GrGLEffect::GrGLEffect(const GrBackendEffectFactory& factory)
: fFactory(factory) {
}
GrGLEffect::~GrGLEffect() {
}
///////////////////////////////////////////////////////////////////////////////
void GrGLEffect::setData(const GrGLUniformManager&, const GrEffectStage&) {
}
GrGLEffect::EffectKey GrGLEffect::GenTextureKey(const GrEffectRef* effect,
const GrGLCaps& caps) {
EffectKey key = 0;
for (int index = 0; index < (*effect)->numTextures(); ++index) {
const GrTextureAccess& access = (*effect)->textureAccess(index);
EffectKey value = GrGLShaderBuilder::KeyForTextureAccess(access, caps) << index;
GrAssert(0 == (value & key)); // keys for each access ought not to overlap
key |= value;
}
return key;
}
GrGLEffect::EffectKey GrGLEffect::GenAttribKey(const GrEffectStage& stage) {
EffectKey key = 0;
int numAttributes = stage.getVertexAttribIndexCount();
GrAssert(numAttributes <= 2);
const int* attributeIndices = stage.getVertexAttribIndices();
for (int index = 0; index < numAttributes; ++index) {
EffectKey value = attributeIndices[index] << 3*index;
GrAssert(0 == (value & key)); // keys for each attribute ought not to overlap
key |= value;
}
return key;
}
|