diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl index 7c02cb9d4a..bf5d106dab 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/textureUtilV.glsl @@ -48,6 +48,7 @@ vec2 khr_texture_transform(vec2 texcoord, vec2 scale, float rotation, vec2 offse return (transform * vec3(texcoord, 1)).xy; } +// A texture transform function for PBR materials applied to shape prims/Collada model prims // vertex_texcoord - The UV texture coordinates sampled from the vertex at // runtime. Per SL convention, this is in a right-handed UV coordinate // system. Collada models also have right-handed UVs. @@ -134,7 +135,8 @@ vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] kh return (weights.x * vertex_binormal.xyz) + (weights.y * vertex_tangent.xyz); } -// Similar to tangent_space_transform but no no texture animation support. +// Similar to tangent_space_transform but no offset during coordinate system +// conversion, and no texture animation support. vec3 terrain_tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform) { // Immediately convert to left-handed coordinate system ((0,1) -> (0, -1)) |