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Differential D6951 Diff 22142 source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl

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source/blender/draw/engines/workbench/shaders/workbench_volume_frag.glsl

Show First 20 Lines • Show All 128 Lines • ▼ Show 20 Lines#ifdef USE_COBA
scattering = tval.rgb * 1500.0; scattering = tval.rgb * 1500.0;
extinction = max(1e-4, tval.a * 50.0); extinction = max(1e-4, tval.a * 50.0);
#else #else
float flame = sample_volume_texture(flameTexture, co).r; float flame = sample_volume_texture(flameTexture, co).r;
vec4 emission = texture(flameColorTexture, flame); vec4 emission = texture(flameColorTexture, flame);
float shadows = sample_volume_texture(shadowTexture, co).r; float shadows = sample_volume_texture(shadowTexture, co).r;
vec4 density = sample_volume_texture(densityTexture, co); /* rgb: color, a: density */ vec4 density = sample_volume_texture(densityTexture, co); /* rgb: color, a: density */
scattering = density.rgb * (density.a * densityScale) * activeColor; scattering = density.rgb * densityScale;
extinction = max(1e-4, dot(scattering, vec3(0.33333))); extinction = max(1e-4, dot(scattering, vec3(0.33333)));
scattering *= activeColor;
/* Scale shadows in log space and clamp them to avoid completely black shadows. */ /* Scale shadows in log space and clamp them to avoid completely black shadows. */
scattering *= exp(clamp(log(shadows) * densityScale * 0.1, -2.5, 0.0)) * M_PI; scattering *= exp(clamp(log(shadows) * densityScale * 0.1, -2.5, 0.0)) * M_PI;
/* 800 is arbitrary and here to mimic old viewport. TODO make it a parameter */ /* 800 is arbitrary and here to mimic old viewport. TODO make it a parameter */
scattering += pow(emission.rgb, vec3(2.2)) * emission.a * 800.0; scattering += pow(emission.rgb, vec3(2.2)) * emission.a * 800.0;
#endif #endif
} }
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