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LibGL: Fix interpretation of mipmap filtering modes

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GL_LINEAR_MIPMAP_NEAREST means choose nearest mipmap level, interpolate
texels linearly.

GL_NEAREST_MIPMAP_LINEAR means choose the two closest mipmap levels,
sample the texels unfiltered and linearly interpolate based on the
fractional value of the mipmap level.

Previously we had this backwards.
This commit is contained in:
Stephan Unverwerth 2022-02-18 23:58:55 +01:00 • committed by Linus Groh
commit 869393c7a0
Notes: sideshowbarker 2024-07-17 17:59:50 +09:00
1 changed files with 4 additions and 4 deletions
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8
Userland/Libraries/LibGL/SoftwareGLContext.cpp
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@ -2996,13 +2996,13 @@ void SoftwareGLContext::sync_device_sampler_config()
config.mipmap_filter = SoftGPU::MipMapFilter::Nearest;
break;
case GL_LINEAR_MIPMAP_NEAREST:
config.texture_min_filter = SoftGPU::TextureFilter::Nearest;
config.mipmap_filter = SoftGPU::MipMapFilter::Linear;
break;
case GL_NEAREST_MIPMAP_LINEAR:
config.texture_min_filter = SoftGPU::TextureFilter::Linear;
config.mipmap_filter = SoftGPU::MipMapFilter::Nearest;
break;
case GL_NEAREST_MIPMAP_LINEAR:
config.texture_min_filter = SoftGPU::TextureFilter::Nearest;
config.mipmap_filter = SoftGPU::MipMapFilter::Linear;
break;
case GL_LINEAR_MIPMAP_LINEAR:
config.texture_min_filter = SoftGPU::TextureFilter::Linear;
config.mipmap_filter = SoftGPU::MipMapFilter::Linear;