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Merge pull request #53938 from clayjohn/GLES3-directional-lights

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Only add emission on base pass in GLES3
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Rémi Verschelde 2021-10-18 07:53:54 +02:00 committed by GitHub
commit 75a05fc3a9
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 3 deletions
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15
drivers/gles3/shaders/scene.glsl
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@ -2304,15 +2304,21 @@ FRAGMENT_SHADER_CODE
float max_emission = max(emission.r, max(emission.g, emission.b));
float max_ambient = max(ambient_light.r, max(ambient_light.g, ambient_light.b));
float max_diffuse = max(diffuse_light.r, max(diffuse_light.g, diffuse_light.b));
float total_ambient = max_ambient + max_diffuse + max_emission;
float total_ambient = max_ambient + max_diffuse;
#ifdef USE_FORWARD_LIGHTING
total_ambient += max_emission;
#endif
float ambient_scale = (total_ambient > 0.0) ? (max_ambient + ambient_occlusion_affect_light * max_diffuse) / total_ambient : 0.0;
#if defined(ENABLE_AO)
ambient_scale = mix(0.0, ambient_scale, ambient_occlusion_affect_ao_channel);
#endif
diffuse_buffer = vec4(emission + diffuse_light + ambient_light, ambient_scale);
diffuse_buffer = vec4(diffuse_light + ambient_light, ambient_scale);
specular_buffer = vec4(specular_light, metallic);
#ifdef USE_FORWARD_LIGHTING
diffuse_buffer.rgb += emission;
#endif
#endif //SHADELESS
normal_mr_buffer = vec4(normalize(normal) * 0.5 + 0.5, roughness);
@ -2326,7 +2332,10 @@ FRAGMENT_SHADER_CODE
#ifdef SHADELESS
frag_color = vec4(albedo, alpha);
#else
frag_color = vec4(emission + ambient_light + diffuse_light + specular_light, alpha);
frag_color = vec4(ambient_light + diffuse_light + specular_light, alpha);
#ifdef USE_FORWARD_LIGHTING
frag_color.rgb += emission;
#endif
#endif //SHADELESS
#endif //USE_MULTIPLE_RENDER_TARGETS