Buffer.h

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/* Copyright (C) 2024 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef INCLUDED_RENDERER_BACKEND_GL_BUFFER
#define INCLUDED_RENDERER_BACKEND_GL_BUFFER
 
#include "lib/ogl.h"
#include "renderer/backend/IBuffer.h"
 
#include <cstdint>
#include <memory>
 
namespace Renderer
{
 
namespace Backend
{
 
namespace GL
{
 
class CDevice;
 
class CBuffer final : public IBuffer
{
public:
    ~CBuffer() override;
 
    IDevice* GetDevice() override;
 
    Type GetType() const override { return m_Type; }
    uint32_t GetSize() const override { return m_Size; }
    uint32_t GetUsage() const override { return m_Usage; }
 
    GLuint GetHandle() { return m_Handle; }
 
private:
    friend class CDevice;
 
    static std::unique_ptr<CBuffer> Create(
        CDevice* device, const char* name,
        const Type type, const uint32_t size, const uint32_t usage);
 
    CBuffer();
 
    CDevice* m_Device = nullptr;
    Type m_Type = Type::VERTEX;
    uint32_t m_Size = 0;
    uint32_t m_Usage = 0;
 
    GLuint m_Handle = 0;
};
 
} // namespace GL
 
} // namespace Backend
 
} // namespace Renderer
 
#endif // INCLUDED_RENDERER_BACKEND_GL_BUFFER