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OpenGL: Enable pinned memory even for index buffers (works for me). Big-ish speedup on AMD GPUs for streaming intensive games.

This commit is contained in:
Tony Wasserka 2013-11-22 17:45:24 +01:00
parent 1763dc2076
commit 672fa65ee7
3 changed files with 3 additions and 3 deletions
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2
Source/Core/VideoBackends/OGL/Src/StreamBuffer.cpp
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@ -40,7 +40,7 @@ StreamBuffer::StreamBuffer(u32 type, size_t size, StreamType uploadType)
m_uploadtype = BUFFERDATA;
else if(g_ogl_config.bSupportsGLSync && g_ActiveConfig.bHackedBufferUpload && (m_uploadtype & MAP_AND_RISK))
m_uploadtype = MAP_AND_RISK;
else if(g_ogl_config.bSupportsGLSync && g_ogl_config.bSupportsGLPinnedMemory && (!DriverDetails::HasBug(DriverDetails::BUG_BROKENPINNEDMEMORY) || type != GL_ELEMENT_ARRAY_BUFFER) && (m_uploadtype & PINNED_MEMORY))
else if(g_ogl_config.bSupportsGLSync && g_ogl_config.bSupportsGLPinnedMemory && !(DriverDetails::HasBug(DriverDetails::BUG_BROKENPINNEDMEMORY) && type == GL_ELEMENT_ARRAY_BUFFER) && (m_uploadtype & PINNED_MEMORY))
m_uploadtype = PINNED_MEMORY;
else if(nvidia && (m_uploadtype & BUFFERSUBDATA))
m_uploadtype = BUFFERSUBDATA;

1
Source/Core/VideoCommon/Src/DriverDetails.cpp
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@ -39,7 +39,6 @@ namespace DriverDetails
{VENDOR_MESA, DRIVER_I965, BUG_BROKENUBO, 900, 920, true},
{VENDOR_ATI, DRIVER_ATI, BUG_BROKENHACKEDBUFFER, -1.0, -1.0, true},
{VENDOR_MESA, DRIVER_NOUVEAU, BUG_BROKENHACKEDBUFFER, -1.0, -1.0, true},
{VENDOR_ATI, DRIVER_ATI, BUG_BROKENPINNEDMEMORY, -1.0, -1.0, true},
{VENDOR_TEGRA, DRIVER_NVIDIA, BUG_ISTEGRA, -1.0, -1.0, true},
{VENDOR_IMGTEC, DRIVER_IMGTEC, BUG_ISPOWERVR, -1.0, -1.0, true},
};

3
Source/Core/VideoCommon/Src/DriverDetails.h
View File

@ -94,10 +94,11 @@ namespace DriverDetails
// Bug: The pinned memory extension isn't working for index buffers
// Affected devices: AMD as they are the only vendor providing this extension
// Started Version: ?
// Ended Version: -1
// Ended Version: 13.9 working for me (neobrain).
// Pinned memory is disabled for index buffer as the amd driver (the only one with pinned memory support) seems
// to be broken. We just get flickering/black rendering when using pinned memory here -- degasus - 2013/08/20
// Please see issue #6105 on google code. Let's hope buffer storage solves this issues.
// TODO: Detect broken drivers.
BUG_BROKENPINNEDMEMORY,
// Bug: Entirely broken UBOs
// Affected devices: Qualcomm/Adreno