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implement streaming by bufferSubData, split upload and allocation in ringbuffer

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This commit is contained in:
degasus
2013-02-01 12:30:08 +01:00
parent 30170575c8
commit 878bd7f26c
4 changed files with 31 additions and 11 deletions
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18
Source/Plugins/Plugin_VideoOGL/Src/VertexManager.cpp
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@ -114,16 +114,18 @@ void VertexManager::DestroyDeviceObjects()
void VertexManager::PrepareDrawBuffers(u32 stride)
{
int vertex_data_size = IndexGenerator::GetNumVerts() * stride;
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
u32 vertex_data_size = IndexGenerator::GetNumVerts() * stride;
u32 triangle_index_size = IndexGenerator::GetTriangleindexLen();
u32 line_index_size = IndexGenerator::GetLineindexLen();
u32 point_index_size = IndexGenerator::GetPointindexLen();
u32 index_size = (triangle_index_size+line_index_size+point_index_size) * sizeof(u16);
s_vertexBuffer->Align(stride);
s_vertexBuffer->Alloc(vertex_data_size);
u32 offset = s_vertexBuffer->Upload(LocalVBuffer, vertex_data_size);
s_baseVertex = offset / stride;
s_indexBuffer->Alloc(index_size);
if(triangle_index_size)
{
s_offset[0] = s_indexBuffer->Upload((u8*)TIBuffer, triangle_index_size * sizeof(u16));
@ -140,9 +142,9 @@ void VertexManager::PrepareDrawBuffers(u32 stride)
void VertexManager::Draw(u32 stride)
{
int triangle_index_size = IndexGenerator::GetTriangleindexLen();
int line_index_size = IndexGenerator::GetLineindexLen();
int point_index_size = IndexGenerator::GetPointindexLen();
u32 triangle_index_size = IndexGenerator::GetTriangleindexLen();
u32 line_index_size = IndexGenerator::GetLineindexLen();
u32 point_index_size = IndexGenerator::GetPointindexLen();
if (triangle_index_size > 0)
{
glDrawElementsBaseVertex(GL_TRIANGLES, triangle_index_size, GL_UNSIGNED_SHORT, (u8*)NULL+s_offset[0], s_baseVertex);