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set hint GL_STREAM_READ

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it's wrong, but so we are guaranteed to get pinned memory.
it's slower for rendering, but faster for mapping.
This commit is contained in:
degasus
2013-01-28 13:03:31 +01:00
parent 4fadb65259
commit fd06342a97
2 changed files with 8 additions and 8 deletions
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12
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
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@ -92,11 +92,11 @@ void VertexManager::CreateDeviceObjects()
GL_REPORT_ERROR();
glBindBuffer(GL_ARRAY_BUFFER, m_vertex_buffers );
GL_REPORT_ERROR();
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_DRAW );
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_READ );
GL_REPORT_ERROR();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_index_buffers );
GL_REPORT_ERROR();
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_DRAW );
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_READ );
GL_REPORT_ERROR();
m_index_buffer_cursor = 0;
m_vertex_buffer_cursor = 0;
@ -134,11 +134,11 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
{
m_vertex_buffer_cursor = 0;
m_index_buffer_cursor = 0;
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_DRAW);
glBufferData(GL_ARRAY_BUFFER, m_vertex_buffer_size, NULL, GL_STREAM_READ);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_size, NULL, GL_STREAM_READ);
}
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | GL_MAP_INVALIDATE_RANGE_BIT);
if(pVertices)
{
memcpy(pVertices, LocalVBuffer, vertex_data_size);
@ -149,7 +149,7 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
glBufferSubData(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, LocalVBuffer);
}
pIndices = (u16*)glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor , index_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
pIndices = (u16*)glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor , index_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | GL_MAP_INVALIDATE_RANGE_BIT);
if(pIndices)
{
if(triangle_index_size)