Rend2: Fix sporadic black triangles on G2 models

Forgot to shift tangent vector into [-0.5, 0.5] range after reading from vertex input!
JACoders · Jul 25, 2015 · 7289d01 · 7289d01
1 parent c59e705
commit 7289d01
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/codemp/rd-rend2/glsl/lightall_vp.glsl b/codemp/rd-rend2/glsl/lightall_vp.glsl
@@ -171,7 +171,7 @@ void main()
 	vec4 originalNormal = vec4(attr_Normal - vec3 (0.5), 0.0);
 #if defined(USE_VERT_TANGENT_SPACE) && defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
 	vec4 tangent4 = vec4(0.0);
-	vec4 originalTangent = vec4(attr_Tangent.xyz, 0.0);
+	vec4 originalTangent = vec4(attr_Tangent.xyz - vec3(0.5), 0.0);
 #endif
 
 	for (int i = 0; i < 4; i++)