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PixelShaderGen: Clamp texture layer when using manual texture sampling with stereoscopic 3D

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Otherwise, texelFetch() will use an out-of-bounds layer for game textures (that have 1 layer; EFB copies have 2 layers in stereoscopic 3D mode), which is undefined behavior (often resulting in a black image). The fast texture sampling path uses texture(), which always clamps (see https://www.khronos.org/opengl/wiki/Array_Texture#Access_in_shaders), so it was unaffected by this difference.
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Pokechu22
2022-12-27 13:45:13 -08:00
parent 1f1474f8ac
commit f3df3a7727
3 changed files with 18 additions and 5 deletions
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Source/Core/VideoCommon/ShaderGenCommon.cpp
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@ -42,7 +42,7 @@ ShaderHostConfig ShaderHostConfig::GetCurrent()
bits.enable_validation_layer = g_ActiveConfig.bEnableValidationLayer;
bits.manual_texture_sampling = !g_ActiveConfig.bFastTextureSampling;
bits.manual_texture_sampling_custom_texture_sizes =
g_ActiveConfig.ManualTextureSamplingWithHiResTextures();
g_ActiveConfig.ManualTextureSamplingWithCustomTextureSizes();
bits.backend_sampler_lod_bias = g_ActiveConfig.backend_info.bSupportsLodBiasInSampler;
bits.backend_dynamic_vertex_loader = g_ActiveConfig.backend_info.bSupportsDynamicVertexLoader;
bits.backend_vs_point_line_expand = g_ActiveConfig.UseVSForLinePointExpand();