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-rw-r--r--indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl15
1 files changed, 10 insertions, 5 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index 83fc144434..c2a3e472d0 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -55,6 +55,8 @@
#define DEBUG_PBR_DOT_NV 0 // Output: grayscale dot(Normal ,Vertex2Camera)
#define DEBUG_PBR_BRDF_UV 0 // Output: red green BRDF UV (GGX input)
#define DEBUG_PBR_BRDF_SCALE_BIAS 0 // Output: red green BRDF Scale Bias (GGX output)
+#define DEBUG_PBR_BRDF_SCALE_ONLY 0 // Output: grayscale BRDF Scale
+#define DEBUG_PBR_BRDF_BIAS_ONLY 0 // Output: grayscale BRDER Bias
#define DEBUG_PBR_FRESNEL 0 // Output: roughness dependent fresnel
#define DEBUG_PBR_KSPEC 0 // Output: K spec
#define DEBUG_PBR_REFLECTION_DIR 0 // Output: reflection dir
@@ -67,7 +69,7 @@
#define DEBUG_PBR_IRRADIANCE_RAW 0 // Output: Diffuse Irradiance pre-mix
#define DEBUG_PBR_IRRADIANCE 0 // Output: Diffuse Irradiance
#define DEBUG_PBR_FSS_ESS_LAMBERT 0 // Output: FssEssLambert
-#define DEBUG_PBR_EMS 0 // Output: Ems
+#define DEBUG_PBR_EMS 0 // Output: Ems = (1 - BRDF Scale + BRDF Bias)
#define DEBUG_PBR_AVG 0 // Output: Avg
#define DEBUG_PBR_FMS_EMS 0 // Output: FmsEms
#define DEBUG_PBR_DIFFUSE_K 0 // Output: diffuse FssEssLambert + FmsEms
@@ -306,10 +308,7 @@ void main()
// Reference: getIBLRadianceLambertian
vec3 FssEssLambert = specWeight * kSpec * vScaleBias.x + vScaleBias.y; // NOTE: Very similar to FssEssRadiance but with extra specWeight term
- float Ems = (1.0 - vScaleBias.x + vScaleBias.y);
-#if PBR_USE_GGX_EMS_HACK
- Ems = alphaRough; // With GGX approximation Ems = 0 so use substitute
-#endif
+ float Ems = 1.0 - (vScaleBias.x + vScaleBias.y);
vec3 avg = specWeight * (reflect0 + (1.0 - reflect0) / 21.0);
vec3 AvgEms = avg * Ems;
vec3 FmsEms = AvgEms * FssEssLambert / (1.0 - AvgEms);
@@ -390,6 +389,12 @@ void main()
#if DEBUG_PBR_DIFFUSE_C
color.rgb = c_diff;
#endif
+ #if DEBUG_PBR_BRDF_SCALE_ONLY
+ color.rgb = vec3(vScaleBias.x);
+ #endif
+ #if DEBUG_PBR_BRDF_BIAS_ONLY
+ color.rgb = vec3(vScaleBias.y);
+ #endif
#if DEBUG_PBR_DIFFUSE_K
color.rgb = kDiffuse;
#endif