diff --git a/src/video_core/renderer_opengl/gl_shader_gen.cpp b/src/video_core/renderer_opengl/gl_shader_gen.cpp index 3f390491a..b5f359da6 100644 --- a/src/video_core/renderer_opengl/gl_shader_gen.cpp +++ b/src/video_core/renderer_opengl/gl_shader_gen.cpp @@ -750,7 +750,8 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { } // Fresnel - if (lighting.lut_fr.enable && + // Note: only the last entry in the light slots applies the Fresnel factor + if (light_index == lighting.src_num - 1 && lighting.lut_fr.enable && LightingRegs::IsLightingSamplerSupported(lighting.config, LightingRegs::LightingSampler::Fresnel)) { // Lookup fresnel LUT value @@ -759,17 +760,17 @@ static void WriteLighting(std::string& out, const PicaShaderConfig& config) { lighting.lut_fr.type, lighting.lut_fr.abs_input); value = "(" + std::to_string(lighting.lut_fr.scale) + " * " + value + ")"; - // Enabled for difffuse lighting alpha component + // Enabled for diffuse lighting alpha component if (lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::PrimaryAlpha || lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) { - out += "diffuse_sum.a *= " + value + ";\n"; + out += "diffuse_sum.a = " + value + ";\n"; } // Enabled for the specular lighting alpha component if (lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::SecondaryAlpha || lighting.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) { - out += "specular_sum.a *= " + value + ";\n"; + out += "specular_sum.a = " + value + ";\n"; } } diff --git a/src/video_core/swrasterizer/lighting.cpp b/src/video_core/swrasterizer/lighting.cpp index b38964530..5fa748611 100644 --- a/src/video_core/swrasterizer/lighting.cpp +++ b/src/video_core/swrasterizer/lighting.cpp @@ -230,7 +230,8 @@ std::tuple, Math::Vec4> ComputeFragmentsColors( d1_lut_value * refl_value * light_config.specular_1.ToVec3f(); // Fresnel - if (lighting.config1.disable_lut_fr == 0 && + // Note: only the last entry in the light slots applies the Fresnel factor + if (light_index == lighting.max_light_index && lighting.config1.disable_lut_fr == 0 && LightingRegs::IsLightingSamplerSupported(lighting.config0.config, LightingRegs::LightingSampler::Fresnel)) { @@ -242,14 +243,14 @@ std::tuple, Math::Vec4> ComputeFragmentsColors( if (lighting.config0.fresnel_selector == LightingRegs::LightingFresnelSelector::PrimaryAlpha || lighting.config0.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) { - diffuse_sum.a() *= lut_value; + diffuse_sum.a() = lut_value; } // Enabled for the specular lighting alpha component if (lighting.config0.fresnel_selector == LightingRegs::LightingFresnelSelector::SecondaryAlpha || lighting.config0.fresnel_selector == LightingRegs::LightingFresnelSelector::Both) { - specular_sum.a() *= lut_value; + specular_sum.a() = lut_value; } }