tornavis/source/blender/gpu/shaders/gpu_shader_3D_point_uniform...

27 lines
650 B
GLSL

/* SPDX-FileCopyrightText: 2016-2022 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma BLENDER_REQUIRE(gpu_shader_cfg_world_clip_lib.glsl)
void main()
{
vec4 pos_4d = vec4(pos, 1.0);
gl_Position = ModelViewProjectionMatrix * pos_4d;
gl_PointSize = size;
/* Calculate concentric radii in pixels. */
float radius = 0.5 * size;
/* Start at the outside and progress toward the center. */
radii[0] = radius;
radii[1] = radius - 1.0;
/* Convert to PointCoord units. */
radii /= size;
#ifdef USE_WORLD_CLIP_PLANES
world_clip_planes_calc_clip_distance((clipPlanes.ClipModelMatrix * pos_4d).xyz);
#endif
}