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d3d12: Avoid uploading constant buffer every draw call

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This commit is contained in:
Vincent Lejeune 2016-02-21 22:15:18 +01:00
parent c07b0dc373
commit 7ae680d9d1
2 changed files with 12 additions and 5 deletions
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16
rpcs3/Emu/RSX/D3D12/D3D12GSRender.cpp
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@ -319,11 +319,17 @@ void D3D12GSRender::end()
.Offset((INT)currentDescriptorIndex + vertex_buffer_count, m_descriptor_stride_srv_cbv_uav)
);
upload_and_bind_vertex_shader_constants(currentDescriptorIndex + 1 + vertex_buffer_count);
get_current_resource_storage().command_list->SetGraphicsRootDescriptorTable(VERTEX_CONSTANT_BUFFERS_SLOT,
CD3DX12_GPU_DESCRIPTOR_HANDLE(get_current_resource_storage().descriptors_heap->GetGPUDescriptorHandleForHeapStart())
.Offset((INT)currentDescriptorIndex + 1 + vertex_buffer_count, m_descriptor_stride_srv_cbv_uav)
);
if (m_transform_constants_dirty)
{
m_current_transform_constants_buffer_descriptor_id = (u32)currentDescriptorIndex + 1 + vertex_buffer_count;
upload_and_bind_vertex_shader_constants(currentDescriptorIndex + 1 + vertex_buffer_count);
m_transform_constants_dirty = false;
get_current_resource_storage().command_list->SetGraphicsRootDescriptorTable(VERTEX_CONSTANT_BUFFERS_SLOT,
CD3DX12_GPU_DESCRIPTOR_HANDLE(get_current_resource_storage().descriptors_heap->GetGPUDescriptorHandleForHeapStart())
.Offset(m_current_transform_constants_buffer_descriptor_id, m_descriptor_stride_srv_cbv_uav)
);
}
std::chrono::time_point<std::chrono::system_clock> constants_duration_end = std::chrono::system_clock::now();
m_timers.constants_duration += std::chrono::duration_cast<std::chrono::microseconds>(constants_duration_end - constants_duration_start).count();

1
rpcs3/Emu/RSX/D3D12/D3D12GSRender.h
View File

@ -128,6 +128,7 @@ private:
ID3D12Resource *m_dummy_texture;
// Currently used shader resources / samplers descriptor
u32 m_current_transform_constants_buffer_descriptor_id;
std::array<std::tuple<ID3D12Resource*, D3D12_SHADER_RESOURCE_VIEW_DESC>, 16> m_current_shader_resources = {};
std::array<D3D12_SAMPLER_DESC, 16> m_current_samplers = {};
public: