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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Buffer.h: Defines the Buffer class, representing storage of vertex and/or
// index data. Implements GL buffer objects and related functionality.
// [OpenGL ES 2.0.24] section 2.9 page 21.
#ifndef LIBGLES_CM_BUFFER_H_
#define LIBGLES_CM_BUFFER_H_
#include "common/Object.hpp"
#include "Common/Resource.hpp"
#include <GLES/gl.h>
#include <cstddef>
#include <vector>
namespace es1
{
class Buffer : public gl::NamedObject
{
public:
explicit Buffer(GLuint name);
virtual ~Buffer();
void bufferData(const void *data, GLsizeiptr size, GLenum usage);
void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset);
const void *data() { return mContents ? mContents->data() : 0; }
size_t size() const { return mSize; }
GLenum usage() const { return mUsage; }
sw::Resource *getResource();
private:
sw::Resource *mContents;
size_t mSize;
GLenum mUsage;
};
}
#endif // LIBGLES_CM_BUFFER_H_