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61 lines
1.2 KiB
C++
61 lines
1.2 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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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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DETECT_MASK = 0x7F,
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STREAM_DETECT = (1 << 0),
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MAP_AND_ORPHAN = (1 << 1),
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MAP_AND_SYNC = (1 << 2),
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MAP_AND_RISK = (1 << 3),
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PINNED_MEMORY = (1 << 4),
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BUFFERSUBDATA = (1 << 5),
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BUFFERDATA = (1 << 6)
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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 = DETECT_MASK);
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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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void DeleteFences();
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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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