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Fix performance with radeonsi.

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This takes Donkey Kong 64 from 12 fps to full speed with framebuffer
emulation enabled.
This commit is contained in:
orbea 2018-12-10 14:26:29 -08:00 committed by Sergey Lipskiy
parent f7a4cf0c75
commit a5fc0689ac
1 changed files with 1 additions and 1 deletions
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2
src/Graphics/OpenGLContext/opengl_ColorBufferReaderWithBufferStorage.cpp
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@ -31,7 +31,7 @@ void ColorBufferReaderWithBufferStorage::_initBuffers()
for (u32 index = 0; index < m_numPBO; ++index) {
m_bindBuffer->bind(Parameter(GL_PIXEL_PACK_BUFFER), ObjectHandle(m_PBO[index]));
m_fence[index] = 0;
glBufferStorage(GL_PIXEL_PACK_BUFFER, m_pTexture->textureBytes, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
glBufferStorage(GL_PIXEL_PACK_BUFFER, m_pTexture->textureBytes, nullptr, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT | GL_CLIENT_STORAGE_BIT);
m_PBOData[index] = glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, m_pTexture->textureBytes, GL_MAP_READ_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_COHERENT_BIT);
}