Page MenuHome
Differential D10575 Diff 35726 source/blender/draw/engines/eevee/shaders/closure_type_lib.glsl

Changeset View

Standalone View

View Options

source/blender/draw/engines/eevee/shaders/closure_type_lib.glsl

#pragma BLENDER_REQUIRE(common_math_geom_lib.glsl) #pragma BLENDER_REQUIRE(common_math_geom_lib.glsl)
#pragma BLENDER_REQUIRE(renderpass_lib.glsl) #pragma BLENDER_REQUIRE(renderpass_lib.glsl)
#pragma BLENDER_REQUIRE(common_colorpacking_lib.glsl)
#ifndef VOLUMETRICS #ifndef VOLUMETRICS
Context not available.
cl.transmittance = mix(cl1.transmittance, cl2.transmittance, fac); cl.transmittance = mix(cl1.transmittance, cl2.transmittance, fac);
cl.radiance = mix(cl1.radiance, cl2.radiance, fac); cl.radiance = mix(cl1.radiance, cl2.radiance, fac);
cl.flag = cl1.flag | cl2.flag; cl.flag = cl1.flag | cl2.flag;
cl.ssr_data = mix(cl1.ssr_data, cl2.ssr_data, fac); /* unpack TODO - clean up */
vec4 spec_cl1 = vec4(0.0,0.0,0.0,1.0);
vec4 spec_cl2 = vec4(0.0,0.0,0.0,1.0);
vec4 diffuse_cl1 = vec4(0.0,0.0,0.0,1.0);
vec4 diffuse_cl2 = vec4(0.0,0.0,0.0,1.0);
unpackVec4(cl1.ssr_data, spec_cl1, diffuse_cl1);
unpackVec4(cl2.ssr_data, spec_cl2, diffuse_cl2);
cl.ssr_data.rgb = packVec3(mix(spec_cl1.rgb, spec_cl2.rgb, fac), mix(diffuse_cl1.rgb, diffuse_cl2.rgb, fac));
bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG); bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG);
/* When mixing SSR don't blend roughness and normals but only specular (ssr_data.xyz).*/ /* When mixing SSR don't blend roughness and normals but only specular (ssr_data.xyz).*/
cl.ssr_data.w = (use_cl1_ssr) ? cl1.ssr_data.w : cl2.ssr_data.w; cl.ssr_data.w = (use_cl1_ssr) ? packFloat(spec_cl1.a, mix(diffuse_cl1.a, diffuse_cl2.a, fac)) : packFloat(spec_cl2.a, mix(diffuse_cl1.a, diffuse_cl2.a, fac));
cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal; cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal;
# ifdef USE_SSS # ifdef USE_SSS
Context not available.
cl.radiance = cl1.radiance + cl2.radiance; cl.radiance = cl1.radiance + cl2.radiance;
cl.holdout = cl1.holdout + cl2.holdout; cl.holdout = cl1.holdout + cl2.holdout;
cl.flag = cl1.flag | cl2.flag; cl.flag = cl1.flag | cl2.flag;
cl.ssr_data = cl1.ssr_data + cl2.ssr_data; /* unpack TODO - clean up */
vec4 spec_cl1 = vec4(0.0,0.0,0.0,1.0);
vec4 spec_cl2 = vec4(0.0,0.0,0.0,1.0);
vec4 diffuse_cl1 = vec4(0.0,0.0,0.0,1.0);
vec4 diffuse_cl2 = vec4(0.0,0.0,0.0,1.0);
unpackVec4(cl1.ssr_data, spec_cl1, diffuse_cl1);
unpackVec4(cl2.ssr_data, spec_cl2, diffuse_cl2);
cl.ssr_data.rgb = packVec3((spec_cl1.rgb + spec_cl2.rgb), (diffuse_cl1.rgb + diffuse_cl2.rgb));
bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG); bool use_cl1_ssr = FLAG_TEST(cl1.flag, CLOSURE_SSR_FLAG);
/* When mixing SSR don't blend roughness and normals.*/ /* When mixing SSR don't blend roughness and normals.*/
cl.ssr_data.w = (use_cl1_ssr) ? cl1.ssr_data.w : cl2.ssr_data.w; cl.ssr_data.w = (use_cl1_ssr) ? packFloat(spec_cl1.a, diffuse_cl1.a + diffuse_cl2.a): packFloat(spec_cl2.a, diffuse_cl1.a + diffuse_cl2.a);
cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal; cl.ssr_normal = (use_cl1_ssr) ? cl1.ssr_normal : cl2.ssr_normal;
# ifdef USE_SSS # ifdef USE_SSS
Context not available.
} }
void closure_load_ssr_data( void closure_load_ssr_data(
vec3 ssr_radiance, float roughness, vec3 N, float ssr_id, inout Closure cl) vec3 ssr_radiance, float roughness, vec3 N, float ssr_id, inout Closure cl, vec3 rgb_diffuse, float ao)
{ {
/* Still encode to avoid artifacts in the SSR pass. */ /* Packed colors to a 32bit texture - avoids few fetches, but would make more sense to use separate 16 bit buffers or at least pack before writing to buffer */
/* A for Spec, B for Diffuse */
/* color inputs over 1.0 are valid and should be allowed - so using clamped range of 0.0 - 10.0 */
/* Still encode normals to avoid artifacts in the SSR pass. */
vec3 vN = normalize(mat3(ViewMatrix) * N); vec3 vN = normalize(mat3(ViewMatrix) * N);
cl.ssr_normal = normal_encode(vN, viewCameraVec(viewPosition)); cl.ssr_normal = normal_encode(vN, viewCameraVec(viewPosition));
cl.ssr_data = packVec4(vec4(ssr_radiance, roughness), vec4(rgb_diffuse, ao));
if (ssrToggle && int(ssr_id) == outputSsrId) { if (ssrToggle && int(ssr_id) == outputSsrId) {
cl.ssr_data = vec4(ssr_radiance, roughness); cl.ssr_data = packVec4(vec4(ssr_radiance, roughness), vec4(rgb_diffuse, ao));
cl.flag |= CLOSURE_SSR_FLAG; cl.flag |= CLOSURE_SSR_FLAG;
} }
else { else {
cl.ssr_data = packVec4(vec4(0.0,0.0,0.0, 0.0), vec4(rgb_diffuse, ao));
cl.radiance += ssr_radiance; cl.radiance += ssr_radiance;
} }
} }
Context not available.