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path: root/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl
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Diffstat (limited to 'source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl')
-rw-r--r--source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl305
1 files changed, 41 insertions, 264 deletions
diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl
index 656247b600d..15958dcf65e 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_principled.glsl
@@ -15,41 +15,38 @@ float principled_sheen(float NV)
CLOSURE_EVAL_FUNCTION_DECLARE_4(node_bsdf_principled, Diffuse, Glossy, Glossy, Refraction)
-/* Constant booleans assure discarding of the individual closure eval. */
-void node_bsdf_principled_ex(const bool do_diffuse,
- const bool do_clearcoat,
- const bool do_refraction,
- vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
+void node_bsdf_principled(vec4 base_color,
+ float subsurface,
+ vec3 subsurface_radius,
+ vec4 subsurface_color,
+ float metallic,
+ float specular,
+ float specular_tint,
+ float roughness,
+ float anisotropic,
+ float anisotropic_rotation,
+ float sheen,
+ float sheen_tint,
+ float clearcoat,
+ float clearcoat_roughness,
+ float ior,
+ float transmission,
+ float transmission_roughness,
+ vec4 emission,
+ float emission_strength,
+ float alpha,
+ vec3 N,
+ vec3 CN,
+ vec3 T,
+ const float do_diffuse,
+ const float do_clearcoat,
+ const float do_refraction,
+ const float do_multiscatter,
+ float ssr_id,
+ float sss_id,
+ vec3 sss_scale,
+ out Closure result)
{
- bool multi_ggx = false;
-
/* Match cycles. */
metallic = saturate(metallic);
transmission = saturate(transmission);
@@ -71,21 +68,22 @@ void node_bsdf_principled_ex(const bool do_diffuse,
in_Glossy_2.roughness = clearcoat_roughness;
in_Refraction_3.N = N; /* Normalized during eval. */
- in_Refraction_3.roughness = multi_ggx ? roughness : transmission_roughness;
+ in_Refraction_3.roughness = do_multiscatter != 0.0 ? roughness : transmission_roughness;
in_Refraction_3.ior = ior;
+
CLOSURE_EVAL_FUNCTION_4(node_bsdf_principled, Diffuse, Glossy, Glossy, Refraction);
result = CLOSURE_DEFAULT;
/* This will tag the whole eval for optimisation. */
- if (!do_diffuse) {
+ if (do_diffuse == 0.0) {
out_Diffuse_0.radiance = vec3(0);
}
- if (!do_clearcoat) {
+ if (do_clearcoat == 0.0) {
out_Glossy_2.radiance = vec3(0);
}
- if (!do_refraction) {
+ if (do_refraction == 0.0) {
out_Refraction_3.radiance = vec3(0);
}
@@ -114,8 +112,8 @@ void node_bsdf_principled_ex(const bool do_diffuse,
vec3 f0 = mix(vec3(1.0), base_color.rgb, specular_tint);
vec3 f90 = vec3(1);
- vec3 brdf = (multi_ggx) ? F_brdf_multi_scatter(f0, f90, split_sum) :
- F_brdf_single_scatter(f0, f90, split_sum);
+ vec3 brdf = (do_multiscatter != 0.0) ? F_brdf_multi_scatter(f0, f90, split_sum) :
+ F_brdf_single_scatter(f0, f90, split_sum);
out_glass_refl_radiance *= brdf;
out_glass_refl_radiance = render_pass_glossy_mask(vec3(1), out_glass_refl_radiance);
@@ -131,8 +129,8 @@ void node_bsdf_principled_ex(const bool do_diffuse,
* changing the f90 color directly in a non linear fashion. */
vec3 f90 = mix(f0, vec3(1), fast_sqrt(specular));
- vec3 brdf = (multi_ggx) ? F_brdf_multi_scatter(f0, f90, split_sum) :
- F_brdf_single_scatter(f0, f90, split_sum);
+ vec3 brdf = (do_multiscatter != 0.0) ? F_brdf_multi_scatter(f0, f90, split_sum) :
+ F_brdf_single_scatter(f0, f90, split_sum);
out_Glossy_1.radiance *= brdf;
out_Glossy_1.radiance = render_pass_glossy_mask(vec3(1), out_Glossy_1.radiance);
@@ -194,230 +192,9 @@ void node_bsdf_principled_ex(const bool do_diffuse,
# endif
}
-# define PRINCIPLED_BSDF_ARGUMENTS \
- base_color, subsurface, subsurface_radius, subsurface_color, metallic, specular, \
- specular_tint, roughness, anisotropic, anisotropic_rotation, sheen, sheen_tint, \
- clearcoat, clearcoat_roughness, ior, transmission, transmission_roughness, emission, \
- emission_strength, alpha, N, CN, T, use_multiscatter, ssr_id, sss_id, sss_scale, result
-
-void node_bsdf_principled(vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
-{
- node_bsdf_principled_ex(true /* do_diffuse */,
- true /* do_clearcoat */,
- true /* do_refraction */,
- PRINCIPLED_BSDF_ARGUMENTS);
-}
-
-void node_bsdf_principled_dielectric(vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
-{
- node_bsdf_principled_ex(true /* do_diffuse */,
- false /* do_clearcoat */,
- false /* do_refraction */,
- PRINCIPLED_BSDF_ARGUMENTS);
-}
-
-void node_bsdf_principled_metallic(vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
-{
- node_bsdf_principled_ex(false /* do_diffuse */,
- false /* do_clearcoat */,
- false /* do_refraction */,
- PRINCIPLED_BSDF_ARGUMENTS);
-}
-
-void node_bsdf_principled_clearcoat(vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
-{
- node_bsdf_principled_ex(false /* do_diffuse */,
- true /* do_clearcoat */,
- false /* do_refraction */,
- PRINCIPLED_BSDF_ARGUMENTS);
-}
-
-void node_bsdf_principled_subsurface(vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
-{
- node_bsdf_principled_ex(true /* do_diffuse */,
- false /* do_clearcoat */,
- false /* do_refraction */,
- PRINCIPLED_BSDF_ARGUMENTS);
-}
-
-void node_bsdf_principled_glass(vec4 base_color,
- float subsurface,
- vec3 subsurface_radius,
- vec4 subsurface_color,
- float metallic,
- float specular,
- float specular_tint,
- float roughness,
- float anisotropic,
- float anisotropic_rotation,
- float sheen,
- float sheen_tint,
- float clearcoat,
- float clearcoat_roughness,
- float ior,
- float transmission,
- float transmission_roughness,
- vec4 emission,
- float emission_strength,
- float alpha,
- vec3 N,
- vec3 CN,
- vec3 T,
- float use_multiscatter,
- float ssr_id,
- float sss_id,
- vec3 sss_scale,
- out Closure result)
-{
- node_bsdf_principled_ex(false /* do_diffuse */,
- false /* do_clearcoat */,
- true /* do_refraction */,
- PRINCIPLED_BSDF_ARGUMENTS);
-}
-# undef PRINCIPLED_BSDF_ARGUMENTS
#else
/* clang-format off */
/* Stub principled because it is not compatible with volumetrics. */
-# define node_bsdf_principled(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, result) (result = CLOSURE_DEFAULT)
-# define node_bsdf_principled_dielectric(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, result) (result = CLOSURE_DEFAULT)
-# define node_bsdf_principled_metallic(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, result) (result = CLOSURE_DEFAULT)
-# define node_bsdf_principled_clearcoat(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, result) (result = CLOSURE_DEFAULT)
-# define node_bsdf_principled_subsurface(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, result) (result = CLOSURE_DEFAULT)
-# define node_bsdf_principled_glass(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, result) (result = CLOSURE_DEFAULT)
+# define node_bsdf_principled(a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z, aa, bb, cc, dd, result) (result = CLOSURE_DEFAULT)
/* clang-format on */
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-21 19:02:28 +0300