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Fixed Function HLSL : Optimized ColorVertex handling in DoMaterial, by removing it's check froM HLSL, and replace that by CPU replacing all MaterialSource's with D3DMCS_MATERIAL when X_D3DRS_COLORVERTEX is disabled. This shaves off 13 vertex shader instructions.

This commit is contained in:
PatrickvL 2020-12-11 13:12:27 +01:00 committed by Anthony
parent 0245cc6ee8
commit 39e91ffec6
3 changed files with 30 additions and 33 deletions
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18
src/core/hle/D3D8/Direct3D9/Direct3D9.cpp
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@ -6378,20 +6378,20 @@ void UpdateFixedFunctionVertexShaderState()
ffShaderState.Modes.TwoSidedLighting = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_TWOSIDEDLIGHTING);
ffShaderState.Modes.SpecularEnable = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_SPECULARENABLE);
ffShaderState.Modes.LocalViewer = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_LOCALVIEWER);
ffShaderState.Modes.ColorVertex = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_COLORVERTEX);
bool ColorVertex = XboxRenderStates.GetXboxRenderState(X_D3DRS_COLORVERTEX) != FALSE;
D3DXVECTOR4 Ambient = toVector(XboxRenderStates.GetXboxRenderState(X_D3DRS_AMBIENT));
D3DXVECTOR4 BackAmbient = toVector(XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKAMBIENT));
// Material sources
ffShaderState.Modes.AmbientMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_AMBIENTMATERIALSOURCE);
ffShaderState.Modes.DiffuseMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_DIFFUSEMATERIALSOURCE);
ffShaderState.Modes.SpecularMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_SPECULARMATERIALSOURCE);
ffShaderState.Modes.EmissiveMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_EMISSIVEMATERIALSOURCE);
ffShaderState.Modes.BackAmbientMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKAMBIENTMATERIALSOURCE);
ffShaderState.Modes.BackDiffuseMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKDIFFUSEMATERIALSOURCE);
ffShaderState.Modes.BackSpecularMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKSPECULARMATERIALSOURCE);
ffShaderState.Modes.BackEmissiveMaterialSource = (float)XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKEMISSIVEMATERIALSOURCE);
ffShaderState.Modes.AmbientMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_AMBIENTMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.DiffuseMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_DIFFUSEMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.SpecularMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_SPECULARMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.EmissiveMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_EMISSIVEMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.BackAmbientMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKAMBIENTMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.BackDiffuseMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKDIFFUSEMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.BackSpecularMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKSPECULARMATERIALSOURCE) : D3DMCS_MATERIAL);
ffShaderState.Modes.BackEmissiveMaterialSource = (float)(ColorVertex ? XboxRenderStates.GetXboxRenderState(X_D3DRS_BACKEMISSIVEMATERIALSOURCE) : D3DMCS_MATERIAL);
// Point sprites
auto pointSize = XboxRenderStates.GetXboxRenderState(X_D3DRS_POINTSIZE);

6
src/core/hle/D3D8/Direct3D9/FixedFunctionVertexShader.hlsl
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@ -317,14 +317,13 @@ Material DoMaterial(const uint index, const uint diffuseReg, const uint specular
// Get the material from material state
Material material = state.Materials[index];
if (state.Modes.ColorVertex)
{
// Note : If X_D3DRS_COLORVERTEX is FALSE, UpdateFixedFunctionVertexShaderState has already changed all MaterialSource's into D3DMCS_MATERIAL
// https://docs.microsoft.com/en-us/windows/win32/direct3d9/d3dmaterialcolorsource
const int D3DMCS_MATERIAL = 0;
const int D3DMCS_COLOR1 = 1;
const int D3DMCS_COLOR2 = 2;
// TODO preprocess on the CPU
// If COLORVERTEX mode, AND the desired diffuse or specular colour is defined in the vertex declaration
// Then use the vertex colour instead of the material
@ -343,7 +342,6 @@ Material DoMaterial(const uint index, const uint diffuseReg, const uint specular
if (state.Modes.SpecularMaterialSource == D3DMCS_COLOR2) material.Specular = specularVertexColour;
if (state.Modes.EmissiveMaterialSource == D3DMCS_COLOR2) material.Emissive = specularVertexColour;
}
}
return material;
}

1
src/core/hle/D3D8/Direct3D9/FixedFunctionVertexShaderState.hlsli
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@ -97,7 +97,6 @@ struct Modes {
alignas(16) float SpecularEnable;
alignas(16) float LocalViewer;
alignas(16) float ColorVertex;
alignas(16) float VertexBlend_NrOfMatrices;
alignas(16) float VertexBlend_CalcLastWeight; // Could be a bool in higer shader models
alignas(16) float NormalizeNormals;