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OGL-StreamBuffer: don't use coherent mapping 

Coherent mapping seems to be much slower on fermi gpus.
This commit is contained in:
degasus 2014-06-05 12:18:44 +02:00
parent 3a06907653
commit 0688cfdaef
1 changed files with 3 additions and 2 deletions
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5
Source/Core/VideoBackends/OGL/StreamBuffer.cpp
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@ -223,9 +223,9 @@ public:
// COHERENT_BIT is set so we don't have to use a MemoryBarrier on write
// CLIENT_STORAGE_BIT is set since we access the buffer more frequently on the client side then server side
glBufferStorage(m_buffertype, m_size, nullptr,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_CLIENT_STORAGE_BIT);
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT);
m_pointer = (u8*)glMapBufferRange(m_buffertype, 0, m_size,
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
GL_MAP_WRITE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_FLUSH_EXPLICIT_BIT);
}
~BufferStorage() {
@ -241,6 +241,7 @@ public:
}
void Unmap(size_t used_size) override {
glFlushMappedBufferRange(m_buffertype, m_iterator, used_size);
m_iterator += used_size;
}