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[d3d9] implement 'clampNegativeLodBias' as a conf option

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Lilium 2023-05-20 14:04:11 +02:00 committed by Joshie
parent 5d134b877a
commit 3fce9886f5
4 changed files with 17 additions and 0 deletions
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9
dxvk.conf
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@ -191,6 +191,15 @@
# d3d11.samplerLodBias = 0.0
# d3d9.samplerLodBias = 0.0
# Clamps any negative LOD bias to 0. Applies after samplerLodBias has been
# applied. May help with games that use a high negative LOD bias by default.
#
# Supported values: True, False
# d3d9.clampNegativeLodBias = False
# Declares vertex positions as invariant in order to solve
# potential Z-fighting issues at a small performance cost.
#

4
src/d3d9/d3d9_device.cpp
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@ -6243,7 +6243,11 @@ namespace dxvk {
info.mipmapMode = mipFilter.MipFilter;
info.maxAnisotropy = float(cKey.MaxAnisotropy);
info.useAnisotropy = cKey.MaxAnisotropy > 1;
info.mipmapLodBias = cKey.MipmapLodBias + m_d3d9Options.samplerLodBias;
if (m_d3d9Options.clampNegativeLodBias)
info.mipmapLodBias = std::max(info.mipmapLodBias, 0.0f);
info.mipmapLodMin = mipFilter.MipsEnabled ? float(cKey.MaxMipLevel) : 0;
info.mipmapLodMax = mipFilter.MipsEnabled ? FLT_MAX : 0;
info.reductionMode = VK_SAMPLER_REDUCTION_MODE_WEIGHTED_AVERAGE;

1
src/d3d9/d3d9_options.cpp
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@ -75,6 +75,7 @@ namespace dxvk {
this->textureMemory = config.getOption<int32_t> ("d3d9.textureMemory", 100) << 20;
this->deviceLossOnFocusLoss = config.getOption<bool> ("d3d9.deviceLossOnFocusLoss", false);
this->samplerLodBias = config.getOption<float> ("d3d9.samplerLodBias", 0.0f);
this->clampNegativeLodBias = config.getOption<bool> ("d3d9.clampNegativeLodBias", false);
// Clamp LOD bias so that people don't abuse this in unintended ways
this->samplerLodBias = dxvk::fclamp(this->samplerLodBias, -2.0f, 1.0f);

3
src/d3d9/d3d9_options.h
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@ -141,6 +141,9 @@ namespace dxvk {
/// Enforces the given LOD bias for all samplers.
float samplerLodBias;
/// Clamps negative LOD bias
bool clampNegativeLodBias;
/// How much virtual memory will be used for textures (in MB).
int32_t textureMemory;