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/*
* 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 "GrGLProgramStage.h"
GrGLProgramStage::GrGLProgramStage(const GrProgramStageFactory& factory)
: fFactory(factory) {
}
GrGLProgramStage::~GrGLProgramStage() {
}
///////////////////////////////////////////////////////////////////////////////
void GrGLProgramStage::setData(const GrGLUniformManager&, const GrEffect&) {
}
GrGLProgramStage::StageKey GrGLProgramStage::GenTextureKey(const GrEffect& stage,
const GrGLCaps& caps) {
StageKey key = 0;
for (int index = 0; index < stage.numTextures(); ++index) {
const GrTextureAccess& access = stage.textureAccess(index);
StageKey value = GrGLShaderBuilder::KeyForTextureAccess(access, caps) << index;
GrAssert(0 == (value & key)); // keys for each access ought not to overlap
key |= value;
}
return key;
}
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