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Cleanup: DRW: Remove unused shader functions

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This commit is contained in:
Clément Foucault
2024-11-08 00:27:42 +01:00
parent 7262146c1f
commit 62a5671587
2 changed files with 0 additions and 40 deletions
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20
source/blender/draw/intern/shaders/common_math_geom_lib.glsl
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@@ -174,26 +174,6 @@ void make_orthonormal_basis(vec3 N, out vec3 T, out vec3 B)
B = cross(N, T);
}
/* ---- Encode / Decode Normal buffer data ---- */
/* From http://aras-p.info/texts/CompactNormalStorage.html
* Using Method #4: Sphere-map Transform */
vec2 normal_encode(vec3 n, vec3 view)
{
float p = sqrt(n.z * 8.0 + 8.0);
return n.xy / p + 0.5;
}
vec3 normal_decode(vec2 enc, vec3 view)
{
vec2 fenc = enc * 4.0 - 2.0;
float f = dot(fenc, fenc);
float g = sqrt(1.0 - f / 4.0);
vec3 n;
n.xy = fenc * g;
n.z = 1 - f / 2;
return n;
}
vec3 tangent_to_world(vec3 vector, vec3 N, vec3 T, vec3 B)
{
return T * vector.x + B * vector.y + N * vector.z;

20
source/blender/draw/intern/shaders/draw_math_geom_lib.glsl
View File

@@ -177,26 +177,6 @@ void make_orthonormal_basis(vec3 N, out vec3 T, out vec3 B)
B = cross(N, T);
}
/* ---- Encode / Decode Normal buffer data ---- */
/* From http://aras-p.info/texts/CompactNormalStorage.html
* Using Method #4: Sphere-map Transform */
vec2 normal_encode(vec3 n, vec3 view)
{
float p = sqrt(n.z * 8.0 + 8.0);
return n.xy / p + 0.5;
}
vec3 normal_decode(vec2 enc, vec3 view)
{
vec2 fenc = enc * 4.0 - 2.0;
float f = dot(fenc, fenc);
float g = sqrt(1.0 - f / 4.0);
vec3 n;
n.xy = fenc * g;
n.z = 1 - f / 2;
return n;
}
vec3 tangent_to_world(vec3 vector, vec3 N, vec3 T, vec3 B)
{
return T * vector.x + B * vector.y + N * vector.z;