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Differential D13910 Diff 47464 source/blender/draw/engines/workbench/shaders/workbench_prepass_hair_vert.glsl

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source/blender/draw/engines/workbench/shaders/workbench_prepass_hair_vert.glsl

#pragma BLENDER_REQUIRE(common_hair_lib.glsl) #pragma BLENDER_REQUIRE(common_hair_lib.glsl)
#pragma BLENDER_REQUIRE(common_view_lib.glsl) #pragma BLENDER_REQUIRE(common_view_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_shader_interface_lib.glsl) #pragma BLENDER_REQUIRE(common_view_clipping_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_common_lib.glsl) #pragma BLENDER_REQUIRE(workbench_common_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_material_lib.glsl) #pragma BLENDER_REQUIRE(workbench_material_lib.glsl)
#pragma BLENDER_REQUIRE(workbench_image_lib.glsl) #pragma BLENDER_REQUIRE(workbench_image_lib.glsl)
#ifndef WORKBENCH_SHADER_SHARED_H
uniform samplerBuffer ac; /* active color layer */
uniform samplerBuffer au; /* active texture layer */
#endif
/* From http://libnoise.sourceforge.net/noisegen/index.html */ /* From http://libnoise.sourceforge.net/noisegen/index.html */
float integer_noise(int n) float integer_noise(int n)
{ {
n = (n >> 13) ^ n; n = (n >> 13) ^ n;
int nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff; int nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 0x7fffffff;
return (float(nn) / 1073741824.0); return (float(nn) / 1073741824.0);
} }
Show All 39 Lines hair_get_pos_tan_binor_time(is_persp,
thickness, thickness,
thick_time); thick_time);
gl_Position = point_world_to_ndc(world_pos); gl_Position = point_world_to_ndc(world_pos);
float hair_rand = integer_noise(hair_get_strand_id()); float hair_rand = integer_noise(hair_get_strand_id());
vec3 nor = workbench_hair_random_normal(tan, binor, hair_rand); vec3 nor = workbench_hair_random_normal(tan, binor, hair_rand);
#ifdef USE_WORLD_CLIP_PLANES view_clipping_distances(world_pos);
world_clip_planes_calc_clip_distance(world_pos);
#endif
uv_interp = hair_get_customdata_vec2(au); uv_interp = hair_get_customdata_vec2(au);
normal_interp = normalize(normal_world_to_view(nor)); normal_interp = normalize(normal_world_to_view(nor));
#ifndef WORKBENCH_SHADER_SHARED_H
# ifdef OPAQUE_MATERIAL
float metallic, roughness;
# endif
#endif
workbench_material_data_get(resource_handle, color_interp, alpha_interp, roughness, metallic); workbench_material_data_get(resource_handle, color_interp, alpha_interp, roughness, metallic);
if (materialIndex == 0) { if (materialIndex == 0) {
color_interp = hair_get_customdata_vec3(ac); color_interp = hair_get_customdata_vec3(ac);
} }
/* Hairs have lots of layer and can rapidly become the most prominent surface. /* Hairs have lots of layer and can rapidly become the most prominent surface.
* So we lower their alpha artificially. */ * So we lower their alpha artificially. */
alpha_interp *= 0.3; alpha_interp *= 0.3;
workbench_hair_random_material(hair_rand, color_interp, roughness, metallic); workbench_hair_random_material(hair_rand, color_interp, roughness, metallic);
#ifdef OPAQUE_MATERIAL
packed_rough_metal = workbench_float_pair_encode(roughness, metallic);
#endif
object_id = int(uint(resource_handle) & 0xFFFFu) + 1; object_id = int(uint(resource_handle) & 0xFFFFu) + 1;
} }