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[d3d8] Adjust d3d8 device capabilities #163

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Jul 4, 2023
Merged

[d3d8] Adjust d3d8 device capabilities #163

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38 changes: 35 additions & 3 deletions src/d3d8/d3d8_d3d9_util.h
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Original file line number Diff line number Diff line change
Expand Up @@ -41,12 +41,44 @@ namespace dxvk {
// should be aligned
std::memcpy(pCaps8, &caps9, sizeof(D3DCAPS8));

// Max supported shader model is 1.4
pCaps8->VertexShaderVersion = D3DVS_VERSION(1, 4);
// Max supported shader model is PS 1.4 and VS 1.1
pCaps8->VertexShaderVersion = D3DVS_VERSION(1, 1);
pCaps8->PixelShaderVersion = D3DPS_VERSION(1, 4);

// This was removed by D3D9. We can probably render windowed.
pCaps8->Caps2 |= D3DCAPS2_CANRENDERWINDOWED;
pCaps8->Caps2 |= D3DCAPS2_CANRENDERWINDOWED;

// Replaced by D3DPRASTERCAPS_DEPTHBIAS in D3D9
pCaps8->RasterCaps |= D3DPRASTERCAPS_ZBIAS;


// Remove D3D9-specific caps:
pCaps8->Caps2 &= ~D3DCAPS2_CANAUTOGENMIPMAP;

pCaps8->Caps3 &= ~D3DCAPS3_LINEAR_TO_SRGB_PRESENTATION
& ~D3DCAPS3_COPY_TO_VIDMEM
& ~D3DCAPS3_COPY_TO_SYSTEMMEM;

pCaps8->PrimitiveMiscCaps &= ~D3DPMISCCAPS_INDEPENDENTWRITEMASKS
& ~D3DPMISCCAPS_PERSTAGECONSTANT
& ~D3DPMISCCAPS_FOGANDSPECULARALPHA
& ~D3DPMISCCAPS_SEPARATEALPHABLEND
& ~D3DPMISCCAPS_MRTINDEPENDENTBITDEPTHS
& ~D3DPMISCCAPS_MRTPOSTPIXELSHADERBLENDING
& ~D3DPMISCCAPS_FOGVERTEXCLAMPED
& ~D3DPMISCCAPS_POSTBLENDSRGBCONVERT;

pCaps8->RasterCaps &= ~D3DPRASTERCAPS_SCISSORTEST
& ~D3DPRASTERCAPS_SLOPESCALEDEPTHBIAS
& ~D3DPRASTERCAPS_DEPTHBIAS
& ~D3DPRASTERCAPS_MULTISAMPLE_TOGGLE;

pCaps8->SrcBlendCaps &= ~D3DPBLENDCAPS_INVSRCCOLOR2
& ~D3DPBLENDCAPS_SRCCOLOR2;

pCaps8->LineCaps &= ~D3DLINECAPS_ANTIALIAS;

pCaps8->StencilCaps &= ~D3DSTENCILCAPS_TWOSIDED;
}

// (9<-8) D3DD3DPRESENT_PARAMETERS: Returns D3D9's params given an input for D3D8
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