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OpenGL: Stream vertices + indices

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This commit is contained in:
degasus
2014-01-23 13:41:53 +01:00
parent 52feed04db
commit ff002320a5
3 changed files with 15 additions and 8 deletions
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19
Source/Core/VideoBackends/OGL/VertexManager.cpp
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@ -85,20 +85,25 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
u32 vertex_data_size = IndexGenerator::GetNumVerts() * stride;
u32 index_data_size = IndexGenerator::GetIndexLen() * sizeof(u16);
auto buffer = s_vertexBuffer->Map(vertex_data_size, stride);
memcpy(buffer.first, GetVertexBuffer(), vertex_data_size);
s_vertexBuffer->Unmap(vertex_data_size);
s_baseVertex = buffer.second / stride;
buffer = s_indexBuffer->Map(index_data_size);
memcpy(buffer.first, GetIndexBuffer(), index_data_size);
s_indexBuffer->Unmap(index_data_size);
s_index_offset = buffer.second;
ADDSTAT(stats.thisFrame.bytesVertexStreamed, vertex_data_size);
ADDSTAT(stats.thisFrame.bytesIndexStreamed, index_data_size);
}
void VertexManager::ResetBuffer(u32 stride)
{
auto buffer = s_vertexBuffer->Map(MAXVBUFFERSIZE, stride);
s_pCurBufferPointer = s_pBaseBufferPointer = buffer.first;
s_pEndBufferPointer = buffer.first + MAXVBUFFERSIZE;
s_baseVertex = buffer.second / stride;
buffer = s_indexBuffer->Map(MAXIBUFFERSIZE * sizeof(u16));
IndexGenerator::Start((u16*)buffer.first);
s_index_offset = buffer.second;
}
void VertexManager::Draw(u32 stride)
{
u32 index_size = IndexGenerator::GetIndexLen();