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[d3d9] Adjust alpha test precision based on render target format

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More or less matches what Nvidia's D3D9 driver does on Turing.
This commit is contained in:
Philip Rebohle 2022-08-17 20:19:42 +02:00 committed by Philip Rebohle
parent 47fa3824dc
commit 5a3cb5ad3e
2 changed files with 50 additions and 5 deletions
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51
src/d3d9/d3d9_device.cpp
View File

@ -1283,6 +1283,8 @@ namespace dxvk {
m_flags.set(D3D9DeviceFlag::DirtyViewportScissor);
m_state.scissorRect = scissorRect;
}
m_flags.set(D3D9DeviceFlag::DirtyAlphaTestState);
}
if (m_state.renderTargets[RenderTargetIndex] == rt)
@ -5843,6 +5845,42 @@ namespace dxvk {
}
uint32_t D3D9DeviceEx::GetAlphaTestPrecision() {
if (m_state.renderTargets[0] == nullptr)
return 0;
D3D9Format format = m_state.renderTargets[0]->GetCommonTexture()->Desc()->Format;
switch (format) {
case D3D9Format::A2B10G10R10:
case D3D9Format::A2R10G10B10:
case D3D9Format::A2W10V10U10:
case D3D9Format::A2B10G10R10_XR_BIAS:
return 0x2; /* 10 bit */
case D3D9Format::R16F:
case D3D9Format::G16R16F:
case D3D9Format::A16B16G16R16F:
return 0x7; /* 15 bit */
case D3D9Format::G16R16:
case D3D9Format::A16B16G16R16:
case D3D9Format::V16U16:
case D3D9Format::L16:
case D3D9Format::Q16W16V16U16:
return 0x8; /* 16 bit */
case D3D9Format::R32F:
case D3D9Format::G32R32F:
case D3D9Format::A32B32G32R32F:
return 0xF; /* float */
default:
return 0x0; /* 8 bit */
}
}
void D3D9DeviceEx::BindAlphaTestState() {
m_flags.clr(D3D9DeviceFlag::DirtyAlphaTestState);
@ -5852,7 +5890,11 @@ namespace dxvk {
? DecodeCompareOp(D3DCMPFUNC(rs[D3DRS_ALPHAFUNC]))
: VK_COMPARE_OP_ALWAYS;
UpdateAlphaTestSpec(alphaOp);
uint32_t precision = alphaOp != VK_COMPARE_OP_ALWAYS
? GetAlphaTestPrecision()
: 0u;
UpdateAlphaTestSpec(alphaOp, precision);
}
@ -7334,10 +7376,11 @@ namespace dxvk {
// D3D9 Device Specialization State
////////////////////////////////////
void D3D9DeviceEx::UpdateAlphaTestSpec(VkCompareOp alphaOp) {
uint32_t value = uint32_t(alphaOp);
void D3D9DeviceEx::UpdateAlphaTestSpec(VkCompareOp alphaOp, uint32_t precision) {
bool dirty = m_specInfo.set<SpecAlphaCompareOp>(uint32_t(alphaOp));
dirty |= m_specInfo.set<SpecAlphaPrecisionBits>(precision);
if (m_specInfo.set<SpecAlphaCompareOp>(value))
if (dirty)
m_flags.set(D3D9DeviceFlag::DirtySpecializationEntries);
}

4
src/d3d9/d3d9_device.h
View File

@ -1135,9 +1135,11 @@ namespace dxvk {
bool UseProgrammablePS();
uint32_t GetAlphaTestPrecision();
void BindAlphaTestState();
void UpdateAlphaTestSpec(VkCompareOp alphaOp);
void UpdateAlphaTestSpec(VkCompareOp alphaOp, uint32_t precision);
void UpdateVertexBoolSpec(uint32_t value);
void UpdatePixelBoolSpec(uint32_t value);
void UpdatePixelShaderSamplerSpec(uint32_t types, uint32_t projections, uint32_t fetch4);