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[d3d8] Enforce the pCaps->MaxVertexShaderConst limit on VS creation

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WinterSnowfall 2025-03-05 16:20:44 +02:00
parent d7e4355887
commit 61237b7614
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1 changed files with 10 additions and 0 deletions
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10
src/d3d9/d3d9_device.cpp
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@ -3352,6 +3352,16 @@ namespace dxvk {
&moduleInfo)))
return D3DERR_INVALIDCALL;
if (m_isD3D8Compatible && !m_isSWVP) {
const uint32_t maxVSConstantIndex = module.GetMaxDefinedConstant();
// D3D8 enforces the value advertised in pCaps->MaxVertexShaderConst for HWVP
if (unlikely(maxVSConstantIndex > caps::MaxFloatConstantsVS - 1)) {
Logger::err(str::format("D3D9DeviceEx::CreateVertexShader: Invalid constant index ", maxVSConstantIndex));
return D3DERR_INVALIDCALL;
}
}
*ppShader = ref(new D3D9VertexShader(this,
&m_shaderAllocator,
module,