summaryrefslogtreecommitdiff
path: root/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
diff options
context:
space:
mode:
Diffstat (limited to 'indra/newview/app_settings/shaders/class3/deferred/materialF.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class3/deferred/materialF.glsl23
1 files changed, 13 insertions, 10 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
index d0c4b68013..6e41df34a4 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/materialF.glsl
@@ -210,9 +210,9 @@ uniform float minimum_alpha;
#endif
#ifdef HAS_NORMAL_MAP
-VARYING vec3 vary_mat0;
-VARYING vec3 vary_mat1;
-VARYING vec3 vary_mat2;
+in vec3 vary_normal;
+in vec3 vary_tangent;
+flat in float vary_sign;
VARYING vec2 vary_texcoord1;
#else
VARYING vec3 vary_normal;
@@ -227,14 +227,17 @@ vec2 encode_normal(vec3 n);
vec3 getNormal(inout float glossiness)
{
#ifdef HAS_NORMAL_MAP
- vec4 norm = texture2D(bumpMap, vary_texcoord1.xy);
- glossiness *= norm.a;
-
- norm.xyz = norm.xyz * 2 - 1;
+ vec4 vNt = texture2D(bumpMap, vary_texcoord1.xy);
+ glossiness *= vNt.a;
+ vNt.xyz = vNt.xyz * 2 - 1;
+ float sign = vary_sign;
+ vec3 vN = vary_normal;
+ vec3 vT = vary_tangent.xyz;
+
+ vec3 vB = sign * cross(vN, vT);
+ vec3 tnorm = normalize( vNt.x * vT + vNt.y * vB + vNt.z * vN );
- return normalize(vec3(dot(norm.xyz,vary_mat0),
- dot(norm.xyz,vary_mat1),
- dot(norm.xyz,vary_mat2)));
+ return tnorm;
#else
return normalize(vary_normal);
#endif