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#ifdef CLIP_PLANES
/* keep in sync with DRWManager.view_data */
layout(std140) uniform clip_block
{
vec4 ClipPlanes[1];
};
#endif
#ifndef HAIR_SHADER
in vec3 pos;
#endif
void main()
{
#ifdef GPU_INTEL
/* Due to some shader compiler bug, we somewhat
* need to access gl_VertexID to make it work. even
* if it's actually dead code. */
gl_Position.x = float(gl_VertexID);
#endif
#ifdef HAIR_SHADER
float time, thick_time, thickness;
vec3 worldPosition, tan, binor;
hair_get_pos_tan_binor_time((ProjectionMatrix[3][3] == 0.0),
ModelMatrixInverse,
ViewMatrixInverse[3].xyz,
ViewMatrixInverse[2].xyz,
worldPosition,
tan,
binor,
time,
thickness,
thick_time);
#else
vec3 worldPosition = point_object_to_world(pos);
#endif
gl_Position = point_world_to_ndc(worldPosition);
#ifdef CLIP_PLANES
gl_ClipDistance[0] = dot(vec4(worldPosition.xyz, 1.0), ClipPlanes[0]);
#endif
/* TODO motion vectors */
}
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