diff options
Diffstat (limited to 'source/blender/draw/engines/workbench/shaders/workbench_volume_vert.glsl')
-rw-r--r-- | source/blender/draw/engines/workbench/shaders/workbench_volume_vert.glsl | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/source/blender/draw/engines/workbench/shaders/workbench_volume_vert.glsl b/source/blender/draw/engines/workbench/shaders/workbench_volume_vert.glsl new file mode 100644 index 00000000000..90a22d9d02f --- /dev/null +++ b/source/blender/draw/engines/workbench/shaders/workbench_volume_vert.glsl @@ -0,0 +1,31 @@ + +uniform mat4 ModelViewProjectionMatrix; +uniform float slicePosition; +uniform int sliceAxis; /* -1 is no slice, 0 is X, 1 is Y, 2 is Z. */ + +in vec3 pos; + +#ifdef VOLUME_SLICE +in vec3 uvs; + +out vec3 localPos; +#endif + +void main() +{ +#ifdef VOLUME_SLICE + if (sliceAxis == 0) { + localPos = vec3(slicePosition * 2.0 - 1.0, pos.xy); + } + else if (sliceAxis == 1) { + localPos = vec3(pos.x, slicePosition * 2.0 - 1.0, pos.y); + } + else { + localPos = vec3(pos.xy, slicePosition * 2.0 - 1.0); + } + + gl_Position = ModelViewProjectionMatrix * vec4(localPos, 1.0); +#else + gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0); +#endif +} |