diff options
Diffstat (limited to 'source/blender/draw/modes/shaders/common_world_clip_lib.glsl')
-rw-r--r-- | source/blender/draw/modes/shaders/common_world_clip_lib.glsl | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/source/blender/draw/modes/shaders/common_world_clip_lib.glsl b/source/blender/draw/modes/shaders/common_world_clip_lib.glsl new file mode 100644 index 00000000000..b889780751e --- /dev/null +++ b/source/blender/draw/modes/shaders/common_world_clip_lib.glsl @@ -0,0 +1,25 @@ +#ifdef USE_WORLD_CLIP_PLANES +#ifdef GPU_VERTEX_SHADER +uniform vec4 WorldClipPlanes[6]; +void world_clip_planes_calc_clip_distance(vec3 wpos) +{ + gl_ClipDistance[0] = dot(WorldClipPlanes[0].xyz, wpos) + WorldClipPlanes[0].w; + gl_ClipDistance[1] = dot(WorldClipPlanes[1].xyz, wpos) + WorldClipPlanes[1].w; + gl_ClipDistance[2] = dot(WorldClipPlanes[2].xyz, wpos) + WorldClipPlanes[2].w; + gl_ClipDistance[3] = dot(WorldClipPlanes[3].xyz, wpos) + WorldClipPlanes[3].w; + gl_ClipDistance[4] = dot(WorldClipPlanes[4].xyz, wpos) + WorldClipPlanes[4].w; + gl_ClipDistance[5] = dot(WorldClipPlanes[5].xyz, wpos) + WorldClipPlanes[5].w; +} +#endif + +#define world_clip_planes_set_clip_distance(c) \ +{ \ + gl_ClipDistance[0] = (c)[0]; \ + gl_ClipDistance[1] = (c)[1]; \ + gl_ClipDistance[2] = (c)[2]; \ + gl_ClipDistance[3] = (c)[3]; \ + gl_ClipDistance[4] = (c)[4]; \ + gl_ClipDistance[5] = (c)[5]; \ +} + +#endif |