diff options
Diffstat (limited to 'source/blender/draw/modes/shaders/edit_normals_vert.glsl')
-rw-r--r-- | source/blender/draw/modes/shaders/edit_normals_vert.glsl | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/source/blender/draw/modes/shaders/edit_normals_vert.glsl b/source/blender/draw/modes/shaders/edit_normals_vert.glsl new file mode 100644 index 00000000000..3ce7e618511 --- /dev/null +++ b/source/blender/draw/modes/shaders/edit_normals_vert.glsl @@ -0,0 +1,30 @@ + +uniform mat4 ModelViewProjectionMatrix; +uniform mat3 NormalMatrix; +uniform mat4 ProjectionMatrix; +uniform float normalSize; + +in vec3 pos; + +#ifdef LOOP_NORMALS +in vec3 lnor; +#define nor lnor + +#elif defined(FACE_NORMALS) +in vec4 norAndFlag; +#define nor norAndFlag.xyz +#else + +in vec3 vnor; +#define nor vnor +#endif + +flat out vec4 v1; +flat out vec4 v2; + +void main() +{ + v1 = ModelViewProjectionMatrix * vec4(pos, 1.0); + vec3 n = normalize(NormalMatrix * nor); /* viewspace */ + v2 = v1 + ProjectionMatrix * vec4(n * normalSize, 0.0); +} |