diff options
| author | Cosmic Linden <cosmic@lindenlab.com> | 2024-06-28 14:54:53 -0700 |
|---|---|---|
| committer | Cosmic Linden <cosmic@lindenlab.com> | 2024-07-01 14:22:21 -0700 |
| commit | 5a60b7811fb666f2ef59abc57a3204297f6aaa1a (patch) | |
| tree | c612daa7f7d4672cf07ef9b56505b784c7e6a8fe /indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl | |
| parent | 244566cc3fcde45e555011c520ed7107b591663d (diff) | |
secondlife/viewer#1847: Fix wrong lighting for negative texture scale on PBR materials and PBR terrain
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl index 1ae9efe544..5098de717e 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainUtilF.glsl @@ -256,11 +256,12 @@ vec3 _t_normal_post_1(vec3 vNt0, float sign_or_zero) } // Triplanar-specific normal texture fixes -vec3 _t_normal_post_x(vec3 vNt0) +vec3 _t_normal_post_x(vec3 vNt0, float tangent_sign) { vec3 vNt_x = _t_normal_post_1(vNt0, sign(vary_vertex_normal.x)); // *HACK: Transform normals according to orientation of the UVs vNt_x.xy = vec2(-vNt_x.y, vNt_x.x); + vNt_x.xy *= tangent_sign; return vNt_x; } vec3 _t_normal_post_y(vec3 vNt0) @@ -285,6 +286,7 @@ PBRMix terrain_sample_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , sampler2D tex_vNt + , float tangent_sign #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , sampler2D tex_emissive @@ -314,7 +316,7 @@ PBRMix terrain_sample_pbr( ); #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) // Triplanar-specific normal texture fix - mix_x.vNt = _t_normal_post_x(mix_x.vNt); + mix_x.vNt = _t_normal_post_x(mix_x.vNt, tangent_sign); #endif mix = mix_pbr(mix, mix_x, tw.weight.x); break; @@ -420,6 +422,9 @@ PBRMix terrain_sample_and_multiply_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , sampler2D tex_vNt +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , float tangent_sign +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , sampler2D tex_emissive @@ -446,6 +451,9 @@ PBRMix terrain_sample_and_multiply_pbr( #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_NORMAL) , tex_vNt +#if TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 3 + , tangent_sign +#endif #endif #if (TERRAIN_PBR_DETAIL >= TERRAIN_PBR_DETAIL_EMISSIVE) , tex_emissive |