Brecht Van Lommel
c06bd2d184
There may well be more vertex shaders that need this, but I couldn't find them in my testing. Differential Revision: https://developer.blender.org/D4921
37 lines
593 B
GLSL
37 lines
593 B
GLSL
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uniform float normalSize;
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in vec3 pos;
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#ifdef LOOP_NORMALS
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in vec3 lnor;
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# define nor lnor
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#elif defined(FACE_NORMALS)
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in vec4 norAndFlag;
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# define nor norAndFlag.xyz
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#else
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in vec3 vnor;
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# define nor vnor
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#endif
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flat out vec4 v1;
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flat out vec4 v2;
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void main()
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{
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GPU_INTEL_VERTEX_SHADER_WORKAROUND
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vec3 n = normalize(normal_object_to_world(nor));
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vec3 world_pos = point_object_to_world(pos);
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v1 = point_world_to_ndc(world_pos);
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v2 = point_world_to_ndc(world_pos + n * normalSize);
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#ifdef USE_WORLD_CLIP_PLANES
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world_clip_planes_calc_clip_distance(world_pos);
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#endif
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}
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