ogl: explain why pinned memory is disabled for index buffer

This commit is contained in:
degasus 2013-08-20 19:09:55 +02:00
parent cc03d9697d
commit 642657d07c
1 changed files with 4 additions and 0 deletions

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@ -61,6 +61,10 @@ void VertexManager::CreateDeviceObjects()
{
s_vertexBuffer = new StreamBuffer(GL_ARRAY_BUFFER, MAX_VBUFFER_SIZE);
m_vertex_buffers = s_vertexBuffer->getBuffer();
// 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.
s_indexBuffer = new StreamBuffer(GL_ELEMENT_ARRAY_BUFFER, MAX_IBUFFER_SIZE, (StreamType)(DETECT_MASK & ~PINNED_MEMORY));
m_index_buffers = s_indexBuffer->getBuffer();