source/blender/gpu/shaders/gpu_shader_3D_selection_id_vert.glsl


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uniform mat4 ModelViewProjectionMatrix;

in vec3 pos;

#ifndef UNIFORM_ID
uniform uint offset;
in uint color;

flat out uint id;
#endif

void main()
{
#ifndef UNIFORM_ID
	id = offset + color;
#endif

	vec4 pos_4d = vec4(pos, 1.0);
	gl_Position = ModelViewProjectionMatrix * pos_4d;

#ifdef USE_WORLD_CLIP_PLANES
	/* Warning: ModelMatrix is typically used but select drawing is different. */
	world_clip_planes_calc_clip_distance(pos);
#endif
}