diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/interface/irradianceGenF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class2/interface/irradianceGenF.glsl | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/indra/newview/app_settings/shaders/class2/interface/irradianceGenF.glsl b/indra/newview/app_settings/shaders/class2/interface/irradianceGenF.glsl index 0753e73dc8..1d6d6fd514 100644 --- a/indra/newview/app_settings/shaders/class2/interface/irradianceGenF.glsl +++ b/indra/newview/app_settings/shaders/class2/interface/irradianceGenF.glsl @@ -1,28 +1,28 @@ -/** +/** * @file irradianceGenF.glsl * * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2022, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ @@ -130,12 +130,12 @@ vec4 getImportanceSample(int sampleIndex, vec3 N, float roughness) // generate the points on the hemisphere with a fitting mapping for // the distribution (e.g. lambertian uses a cosine importance) importanceSample = Lambertian(xi, roughness); - + // transform the hemisphere sample to the normal coordinate frame // i.e. rotate the hemisphere to the normal direction vec3 localSpaceDirection = normalize(vec3( - importanceSample.sinTheta * cos(importanceSample.phi), - importanceSample.sinTheta * sin(importanceSample.phi), + importanceSample.sinTheta * cos(importanceSample.phi), + importanceSample.sinTheta * sin(importanceSample.phi), importanceSample.cosTheta )); mat3 TBN = generateTBN(N); @@ -152,9 +152,9 @@ float computeLod(float pdf) // // Solid angle of current sample -- bigger for less likely samples // float omegaS = 1.0 / (float(u_sampleCount) * pdf); // // Solid angle of texel - // // note: the factor of 4.0 * MATH_PI + // // note: the factor of 4.0 * MATH_PI // float omegaP = 4.0 * MATH_PI / (6.0 * float(u_width) * float(u_width)); - // // Mip level is determined by the ratio of our sample's solid angle to a texel's solid angle + // // Mip level is determined by the ratio of our sample's solid angle to a texel's solid angle // // note that 0.5 * log2 is equivalent to log4 // float lod = 0.5 * log2(omegaS / omegaP); @@ -176,7 +176,7 @@ float computeLod(float pdf) vec4 filterColor(vec3 N) { vec4 color = vec4(0.f); - + for(int i = 0; i < u_sampleCount; ++i) { vec4 importanceSample = getImportanceSample(i, N, 1.0); @@ -208,7 +208,7 @@ void main() vec4 color = vec4(0); color = filterColor(vary_dir); - + frag_color = max(color, vec4(0)); } |