mirror of
https://github.com/dolphin-emu/dolphin.git
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71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef STREAMBUFFER_H
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#define STREAMBUFFER_H
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#include "VideoCommon.h"
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#include "FramebufferManager.h"
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#include "GLUtil.h"
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// glew < 1.8 doesn't support pinned memory
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#ifndef GLEW_AMD_pinned_memory
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#define GLEW_AMD_pinned_memory glewIsSupported("GL_AMD_pinned_memory")
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#define GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD 0x9160
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#endif
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namespace OGL
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{
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enum StreamType {
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STREAM_DETECT,
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MAP_AND_ORPHAN,
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MAP_AND_SYNC,
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MAP_AND_RISK,
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PINNED_MEMORY,
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BUFFERSUBDATA
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};
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class StreamBuffer {
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public:
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StreamBuffer(u32 type, size_t size, StreamType uploadType = STREAM_DETECT);
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~StreamBuffer();
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void Alloc(size_t size, u32 stride = 0);
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size_t Upload(u8 *data, size_t size);
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u32 getBuffer() { return m_buffer; }
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private:
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void Init();
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void Shutdown();
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StreamType m_uploadtype;
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u32 m_buffer;
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u32 m_buffertype;
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size_t m_size;
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u8 *pointer;
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size_t m_iterator;
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size_t m_used_iterator;
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size_t m_free_iterator;
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GLsync *fences;
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};
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}
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#endif // STREAMBUFFER_H
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