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//
// Copyright (c) 2010-2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
#ifndef LIBANGLE_UNIFORM_H_
#define LIBANGLE_UNIFORM_H_
#include <string>
#include <vector>
#include "angle_gl.h"
#include "common/debug.h"
#include "common/MemoryBuffer.h"
#include "compiler/translator/blocklayout.h"
#include "libANGLE/angletypes.h"
namespace gl
{
// Helper struct representing a single shader uniform
struct LinkedUniform : public sh::Uniform
{
LinkedUniform();
LinkedUniform(GLenum type, GLenum precision, const std::string &name, unsigned int arraySize, const int blockIndex, const sh::BlockMemberInfo &blockInfo);
LinkedUniform(const sh::Uniform &uniform);
LinkedUniform(const LinkedUniform &uniform);
LinkedUniform &operator=(const LinkedUniform &uniform);
~LinkedUniform();
size_t dataSize() const;
uint8_t *data();
const uint8_t *data() const;
bool isSampler() const;
bool isInDefaultBlock() const;
bool isField() const;
size_t getElementSize() const;
size_t getElementComponents() const;
uint8_t *getDataPtrToElement(size_t elementIndex);
const uint8_t *getDataPtrToElement(size_t elementIndex) const;
int blockIndex;
sh::BlockMemberInfo blockInfo;
private:
mutable rx::MemoryBuffer mLazyData;
};
// Helper struct representing a single shader uniform block
struct UniformBlock
{
UniformBlock();
UniformBlock(const std::string &nameIn, bool isArrayIn, unsigned int arrayElementIn);
UniformBlock(const UniformBlock &other) = default;
UniformBlock &operator=(const UniformBlock &other) = default;
std::string nameWithArrayIndex() const;
std::string name;
bool isArray;
unsigned int arrayElement;
unsigned int dataSize;
bool vertexStaticUse;
bool fragmentStaticUse;
bool computeStaticUse;
std::vector<unsigned int> memberUniformIndexes;
};
}
#endif // LIBANGLE_UNIFORM_H_
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