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VideoCommon: Cull vertices on the CPU

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This commit is contained in:
TellowKrinkle 2022-07-26 03:57:30 -05:00
commit 1be0149146
7 changed files with 57 additions and 7 deletions
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20
Source/Core/VideoCommon/VertexManagerBase.cpp
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@ -104,6 +104,7 @@ VertexManagerBase::~VertexManagerBase() = default;
bool VertexManagerBase::Initialize()
{
m_index_generator.Init();
m_cpu_cull.Init();
return true;
}
@ -117,6 +118,13 @@ void VertexManagerBase::AddIndices(OpcodeDecoder::Primitive primitive, u32 num_v
m_index_generator.AddIndices(primitive, num_vertices);
}
bool VertexManagerBase::AreAllVerticesCulled(VertexLoaderBase* loader,
OpcodeDecoder::Primitive primitive, const u8* src,
u32 count)
{
return m_cpu_cull.AreAllVerticesCulled(loader, primitive, src, count);
}
DataReader VertexManagerBase::PrepareForAdditionalData(OpcodeDecoder::Primitive primitive,
u32 count, u32 stride, bool cullall)
{
@ -185,6 +193,16 @@ DataReader VertexManagerBase::PrepareForAdditionalData(OpcodeDecoder::Primitive
return DataReader(m_cur_buffer_pointer, m_end_buffer_pointer);
}
DataReader VertexManagerBase::DisableCullAll(u32 stride)
{
if (m_cull_all)
{
m_cull_all = false;
ResetBuffer(stride);
}
return DataReader(m_cur_buffer_pointer, m_end_buffer_pointer);
}
void VertexManagerBase::FlushData(u32 count, u32 stride)
{
m_cur_buffer_pointer += count * stride;
@ -546,6 +564,8 @@ void VertexManagerBase::Flush()
// Now the vertices can be flushed to the GPU. Everything following the CommitBuffer() call
// must be careful to not upload any utility vertices, as the binding will be lost otherwise.
const u32 num_indices = m_index_generator.GetIndexLen();
if (num_indices == 0)
return;
u32 base_vertex, base_index;
CommitBuffer(m_index_generator.GetNumVerts(),
VertexLoaderManager::GetCurrentVertexFormat()->GetVertexStride(), num_indices,