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orphan vbo also with glBufferData

This commit is contained in:
degasus 2013-01-25 13:28:05 +01:00
parent a526fc5f92
commit 41b1128fdd
1 changed files with 4 additions and 8 deletions
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12
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
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@ -126,23 +126,19 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
int index_data_size = (triangle_index_size + line_index_size + point_index_size) * sizeof(u16);
GLbitfield LockMode = GL_MAP_WRITE_BIT;
m_vertex_buffer_cursor--;
m_vertex_buffer_cursor = m_vertex_buffer_cursor - (m_vertex_buffer_cursor % stride) + stride;
if (m_vertex_buffer_cursor >= m_vertex_buffer_size - vertex_data_size || m_index_buffer_cursor >= m_index_buffer_size - index_data_size)
{
LockMode |= GL_MAP_INVALIDATE_BUFFER_BIT;
m_vertex_buffer_cursor = 0;
m_index_buffer_cursor = 0;
}
else
{
LockMode |= /*GL_MAP_INVALIDATE_RANGE_BIT |*/ GL_MAP_UNSYNCHRONIZED_BIT;
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);
}
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, LockMode);
pVertices = (u8*)glMapBufferRange(GL_ARRAY_BUFFER, m_vertex_buffer_cursor, vertex_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
if(pVertices)
{
memcpy(pVertices, LocalVBuffer, vertex_data_size);
@ -153,7 +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, LockMode);
pIndices = (u16*)glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, m_index_buffer_cursor , index_data_size, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
if(pIndices)
{
if(triangle_index_size)