2 files changed, 45 insertions, 1 deletions

diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_mapping.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_mapping.glsl
index ef47ac2be98..07f152439fe 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_mapping.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_mapping.glsl
@@ -1,7 +1,27 @@
-void mapping(
+void mapping_mat4(
     vec3 vec, vec4 m0, vec4 m1, vec4 m2, vec4 m3, vec3 minvec, vec3 maxvec, out vec3 outvec)
 {
   mat4 mat = mat4(m0, m1, m2, m3);
   outvec = (mat * vec4(vec, 1.0)).xyz;
   outvec = clamp(outvec, minvec, maxvec);
 }
+
+void mapping_point(vec3 vector, vec3 location, vec3 rotation, vec3 scale, out vec3 result)
+{
+  result = (euler_to_mat3(rotation) * (vector * scale)) + location;
+}
+
+void mapping_texture(vec3 vector, vec3 location, vec3 rotation, vec3 scale, out vec3 result)
+{
+  result = safe_divide(transpose(euler_to_mat3(rotation)) * (vector - location), scale);
+}
+
+void mapping_vector(vec3 vector, vec3 location, vec3 rotation, vec3 scale, out vec3 result)
+{
+  result = euler_to_mat3(rotation) * (vector * scale);
+}
+
+void mapping_normal(vec3 vector, vec3 location, vec3 rotation, vec3 scale, out vec3 result)
+{
+  result = normalize(euler_to_mat3(rotation) * safe_divide(vector, scale));
+}
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_math_util.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_math_util.glsl
index 0be7da0cc4c..fd9aaf4ae86 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_math_util.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_math_util.glsl
@@ -85,6 +85,30 @@ void vector_normalize(vec3 normal, out vec3 outnormal)
 
 /* Matirx Math */
 
+mat3 euler_to_mat3(vec3 euler)
+{
+  float cx = cos(euler.x);
+  float cy = cos(euler.y);
+  float cz = cos(euler.z);
+  float sx = sin(euler.x);
+  float sy = sin(euler.y);
+  float sz = sin(euler.z);
+
+  mat3 mat;
+  mat[0][0] = cy * cz;
+  mat[0][1] = cy * sz;
+  mat[0][2] = -sy;
+
+  mat[1][0] = sy * sx * cz - cx * sz;
+  mat[1][1] = sy * sx * sz + cx * cz;
+  mat[1][2] = cy * sx;
+
+  mat[2][0] = sy * cx * cz + sx * sz;
+  mat[2][1] = sy * cx * sz - sx * cz;
+  mat[2][2] = cy * cx;
+  return mat;
+}
+
 void direction_transform_m4v3(vec3 vin, mat4 mat, out vec3 vout)
 {
   vout = (mat * vec4(vin, 0.0)).xyz;