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Differential D10390 Diff 33913 source/blender/draw/engines/eevee/shaders/lightprobe_lib.glsl

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

Show First 20 Lines • Show All 131 Lines • ▼ Show 20 Linesfloat probe_attenuation_planar(PlanarData pd, vec3 W, vec3 N, float roughness)
fac *= step(2.0, dot(step(pd.pl_clip_edges, dist_to_clip.xxyy), vec2(-1.0, 1.0).xyxy)); fac *= step(2.0, dot(step(pd.pl_clip_edges, dist_to_clip.xxyy), vec2(-1.0, 1.0).xyxy));
/* Decrease influence for high roughness */ /* Decrease influence for high roughness */
fac *= saturate(1.0 - roughness * 10.0); fac *= saturate(1.0 - roughness * 10.0);
return fac; return fac;
} }
float probe_attenuation_grid(GridData gd, mat4 localmat, vec3 W, out vec3 localpos) float probe_attenuation_grid(GridData gd, vec3 W, out vec3 localpos)
{ {
localpos = transform_point(localmat, W); localpos = transform_point(gd.localmat, W);
vec3 pos_to_edge = max(vec3(0.0), abs(localpos) - 1.0); vec3 pos_to_edge = max(vec3(0.0), abs(localpos) - 1.0);
float fade = length(pos_to_edge); float fade = length(pos_to_edge);
return saturate(-fade * gd.g_atten_scale + gd.g_atten_bias); return saturate(-fade * gd.g_atten_scale + gd.g_atten_bias);
} }
vec3 probe_evaluate_cube(int pd_id, vec3 W, vec3 R, float roughness) vec3 probe_evaluate_cube(int pd_id, vec3 W, vec3 R, float roughness)
{ {
/* Correct reflection ray using parallax volume intersection. */ /* Correct reflection ray using parallax volume intersection. */
Show All 27 Linesvec3 probe_evaluate_cube(int pd_id, vec3 W, vec3 R, float roughness)
return textureLod_cubemapArray(probeCubes, vec4(R, float(pd_id)), roughness * prbLodCubeMax).rgb; return textureLod_cubemapArray(probeCubes, vec4(R, float(pd_id)), roughness * prbLodCubeMax).rgb;
} }
vec3 probe_evaluate_world_spec(vec3 R, float roughness) vec3 probe_evaluate_world_spec(vec3 R, float roughness)
{ {
return textureLod_cubemapArray(probeCubes, vec4(R, 0.0), roughness * prbLodCubeMax).rgb; return textureLod_cubemapArray(probeCubes, vec4(R, 0.0), roughness * prbLodCubeMax).rgb;
} }
vec3 probe_evaluate_planar( vec3 probe_evaluate_planar(int id, PlanarData pd, vec3 W, vec3 N, vec3 V, float roughness)
float id, PlanarData pd, vec3 W, vec3 N, vec3 V, float roughness, inout float fade)
{ {
/* Find view vector / reflection plane intersection. */ /* Find view vector / reflection plane intersection. */
vec3 point_on_plane = line_plane_intersect(W, V, pd.pl_plane_eq); vec3 point_on_plane = line_plane_intersect(W, V, pd.pl_plane_eq);
/* How far the pixel is from the plane. */ /* How far the pixel is from the plane. */
float ref_depth = 1.0; /* TODO parameter */ float ref_depth = 1.0; /* TODO parameter */
/* Compute distorded reflection vector based on the distance to the reflected object. /* Compute distorded reflection vector based on the distance to the reflected object.
Show All 25 Linesvoid fallback_cubemap(vec3 N,
inout vec4 spec_accum) inout vec4 spec_accum)
{ {
/* Specular probes */ /* Specular probes */
vec3 spec_dir = specular_dominant_dir(N, V, roughnessSquared); vec3 spec_dir = specular_dominant_dir(N, V, roughnessSquared);
#ifdef SSR_AO #ifdef SSR_AO
vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy); vec4 rand = texelfetch_noise_tex(gl_FragCoord.xy);
vec3 bent_normal; vec3 bent_normal;
float final_ao = occlusion_compute(N, viewPosition, 1.0, rand, bent_normal); float final_ao = occlusion_compute(N, viewPosition, rand, bent_normal);
final_ao = specular_occlusion(dot(N, V), final_ao, roughness); final_ao = specular_occlusion(dot(N, V), final_ao, roughness);
#else #else
const float final_ao = 1.0; const float final_ao = 1.0;
#endif #endif
/* Starts at 1 because 0 is world probe */ /* Starts at 1 because 0 is world probe */
for (int i = 1; i < MAX_PROBE && i < prbNumRenderCube && spec_accum.a < 0.999; i++) { for (int i = 1; i < MAX_PROBE && i < prbNumRenderCube && spec_accum.a < 0.999; i++) {
float fade = probe_attenuation_cube(i, W); float fade = probe_attenuation_cube(i, W);
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