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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; bool changed = states[State] != Value;
if (likely(changed)) { if (likely(changed)) {
const bool oldClipPlaneEnabled = IsClipPlaneEnabled();
const bool oldDepthBiasEnabled = IsDepthBiasEnabled(); const bool oldDepthBiasEnabled = IsDepthBiasEnabled();
const bool oldATOC = IsAlphaToCoverageEnabled(); const bool oldATOC = IsAlphaToCoverageEnabled();
@ -1836,9 +1838,15 @@ namespace dxvk {
m_flags.set(D3D9DeviceFlag::DirtyRasterizerState); m_flags.set(D3D9DeviceFlag::DirtyRasterizerState);
break; break;
case D3DRS_CLIPPLANEENABLE: case D3DRS_CLIPPLANEENABLE: {
const bool clipPlaneEnabled = IsClipPlaneEnabled();
if (clipPlaneEnabled != oldClipPlaneEnabled)
m_flags.set(D3D9DeviceFlag::DirtyFFVertexShader);
m_flags.set(D3D9DeviceFlag::DirtyClipPlanes); m_flags.set(D3D9DeviceFlag::DirtyClipPlanes);
break; break;
}
case D3DRS_ALPHAREF: case D3DRS_ALPHAREF:
UpdatePushConstant<D3D9RenderStateItem::AlphaRef>(); UpdatePushConstant<D3D9RenderStateItem::AlphaRef>();
@ -5946,6 +5954,8 @@ namespace dxvk {
key.Data.Contents.VertexBlendCount = m_state.renderStates[D3DRS_VERTEXBLEND] & 0xff; key.Data.Contents.VertexBlendCount = m_state.renderStates[D3DRS_VERTEXBLEND] & 0xff;
} }
key.Data.Contents.VertexClipping = IsClipPlaneEnabled();
EmitCs([ EmitCs([
this, this,
cKey = key, 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; return m_state.renderStates[D3DRS_ZENABLE] && m_state.depthStencil != nullptr;
} }
inline bool IsClipPlaneEnabled() {
return m_state.renderStates[D3DRS_CLIPPLANEENABLE] != 0;
}
void BindMultiSampleState(); void BindMultiSampleState();
void BindBlendState(); void BindBlendState();

3
src/d3d9/d3d9_fixed_function.cpp
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@ -1163,7 +1163,8 @@ namespace dxvk {
uint32_t pointSize = m_module.opFClamp(m_floatType, pointInfo.defaultValue, pointInfo.min, pointInfo.max); uint32_t pointSize = m_module.opFClamp(m_floatType, pointInfo.defaultValue, pointInfo.min, pointInfo.max);
m_module.opStore(m_vs.out.POINTSIZE, pointSize); m_module.opStore(m_vs.out.POINTSIZE, pointSize);
emitVsClipping(vtx); 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 VertexBlendMode : 2;
uint32_t VertexBlendIndexed : 1; uint32_t VertexBlendIndexed : 1;
uint32_t VertexBlendCount : 3; uint32_t VertexBlendCount : 3;
uint32_t VertexClipping : 1;
} Contents; } Contents;
uint32_t Primitive[4]; uint32_t Primitive[4];