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[d3d9] Don't perform clipping in FF if disabled

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Avoids unnecessary matrix multiplications in the shader, given this isn't as cheap as it is for programmable.
This commit is contained in:
Joshua Ashton 2020-02-14 19:19:22 +00:00
parent 0c16cc7749
commit 7d3ec74b40
4 changed files with 19 additions and 2 deletions
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12
src/d3d9/d3d9_device.cpp
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@ -1668,6 +1668,8 @@ namespace dxvk {
bool changed = states[State] != Value;
if (likely(changed)) {
const bool oldClipPlaneEnabled = IsClipPlaneEnabled();
const bool oldDepthBiasEnabled = IsDepthBiasEnabled();
const bool oldATOC = IsAlphaToCoverageEnabled();
@ -1836,9 +1838,15 @@ namespace dxvk {
m_flags.set(D3D9DeviceFlag::DirtyRasterizerState);
break;
case D3DRS_CLIPPLANEENABLE:
case D3DRS_CLIPPLANEENABLE: {
const bool clipPlaneEnabled = IsClipPlaneEnabled();
if (clipPlaneEnabled != oldClipPlaneEnabled)
m_flags.set(D3D9DeviceFlag::DirtyFFVertexShader);
m_flags.set(D3D9DeviceFlag::DirtyClipPlanes);
break;
}
case D3DRS_ALPHAREF:
UpdatePushConstant<D3D9RenderStateItem::AlphaRef>();
@ -5946,6 +5954,8 @@ namespace dxvk {
key.Data.Contents.VertexBlendCount = m_state.renderStates[D3DRS_VERTEXBLEND] & 0xff;
}
key.Data.Contents.VertexClipping = IsClipPlaneEnabled();
EmitCs([
this,
cKey = key,

4
src/d3d9/d3d9_device.h
View File

@ -776,6 +776,10 @@ namespace dxvk {
return m_state.renderStates[D3DRS_ZENABLE] && m_state.depthStencil != nullptr;
}
inline bool IsClipPlaneEnabled() {
return m_state.renderStates[D3DRS_CLIPPLANEENABLE] != 0;
}
void BindMultiSampleState();
void BindBlendState();

1
src/d3d9/d3d9_fixed_function.cpp
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@ -1163,6 +1163,7 @@ namespace dxvk {
uint32_t pointSize = m_module.opFClamp(m_floatType, pointInfo.defaultValue, pointInfo.min, pointInfo.max);
m_module.opStore(m_vs.out.POINTSIZE, pointSize);
if (m_vsKey.Data.Contents.VertexClipping)
emitVsClipping(vtx);
}

2
src/d3d9/d3d9_fixed_function.h
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@ -107,6 +107,8 @@ namespace dxvk {
uint32_t VertexBlendMode : 2;
uint32_t VertexBlendIndexed : 1;
uint32_t VertexBlendCount : 3;
uint32_t VertexClipping : 1;
} Contents;
uint32_t Primitive[4];