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support rasterization kill

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This commit is contained in:
Samuliak 2024-09-07 11:00:10 +02:00
parent 5e50592937
commit 3dc233fb56
5 changed files with 124 additions and 80 deletions
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50
src/Cafe/HW/Latte/Renderer/Metal/MetalRenderer.cpp
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@ -879,7 +879,7 @@ void MetalRenderer::draw_beginSequence()
LatteRenderTarget_updateScissorBox();
// check for conditions which would turn the drawcalls into no-ops
bool rasterizerEnable = LatteGPUState.contextNew.PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL() == false;
bool rasterizerEnable = !LatteGPUState.contextNew.PA_CL_CLIP_CNTL.get_DX_RASTERIZATION_KILL();
// GX2SetSpecialState(0, true) enables DX_RASTERIZATION_KILL, but still expects depth writes to happen? -> Research which stages are disabled by DX_RASTERIZATION_KILL exactly
// for now we use a workaround:
@ -888,18 +888,6 @@ void MetalRenderer::draw_beginSequence()
if (!rasterizerEnable && !streamoutEnable)
m_state.m_skipDrawSequence = true;
// Both faces are culled
// TODO: can we really skip the draw?
const auto& polygonControlReg = LatteGPUState.contextNew.PA_SU_SC_MODE_CNTL;
uint32 cullFront = polygonControlReg.get_CULL_FRONT();
uint32 cullBack = polygonControlReg.get_CULL_BACK();
if (cullFront && cullBack)
m_state.m_skipDrawSequence = true;
// TODO: is this even needed?
if (!m_state.m_activeFBO)
m_state.m_skipDrawSequence = true;
}
void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32 instanceCount, uint32 count, MPTR indexDataMPTR, Latte::LATTE_VGT_DMA_INDEX_TYPE::E_INDEX_TYPE indexType, bool isFirst)
@ -1065,23 +1053,23 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
// Cull mode
// Handled in draw_beginSequence
if (cullFront && cullBack)
cemu_assert_suspicious();
// Cull front and back is handled by disabling rasterization
if (!(cullFront && cullBack))
{
MTL::CullMode cullMode;
if (cullFront)
cullMode = MTL::CullModeFront;
else if (cullBack)
cullMode = MTL::CullModeBack;
else
cullMode = MTL::CullModeNone;
MTL::CullMode cullMode;
if (cullFront)
cullMode = MTL::CullModeFront;
else if (cullBack)
cullMode = MTL::CullModeBack;
else
cullMode = MTL::CullModeNone;
if (cullMode != encoderState.m_cullMode)
{
renderCommandEncoder->setCullMode(cullMode);
encoderState.m_cullMode = cullMode;
}
if (cullMode != encoderState.m_cullMode)
{
renderCommandEncoder->setCullMode(cullMode);
encoderState.m_cullMode = cullMode;
}
}
// Front face
MTL::Winding frontFaceWinding;
@ -1164,12 +1152,8 @@ void MetalRenderer::draw_execute(uint32 baseVertex, uint32 baseInstance, uint32
else
renderPipelineState = m_pipelineCache->GetRenderPipelineState(fetchShader, vertexShader, pixelShader, m_state.m_lastUsedFBO, m_state.m_activeFBO, LatteGPUState.contextNew);
// HACK
if (!renderPipelineState)
{
printf("invalid render pipeline state, skipping draw\n");
return;
}
if (renderPipelineState != encoderState.m_renderPipelineState)
{