1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/**
* Debug Shader outputing a gradient of orange - white - blue to mark culling hotspots.
* Green pixels are error pixels that are missing lights from the culling pass (i.e: when culling
* pass is not conservative enough).
*/
#pragma BLENDER_REQUIRE(common_view_lib.glsl)
#pragma BLENDER_REQUIRE(common_math_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_light_lib.glsl)
#pragma BLENDER_REQUIRE(eevee_light_iter_lib.glsl)
void main()
{
ivec2 texel = ivec2(gl_FragCoord.xy);
float depth = texelFetch(hiz_tx, texel, 0).r;
float vP_z = get_view_z_from_depth(depth);
vec3 P = get_world_space_from_depth(uvcoordsvar.xy, depth);
float light_count = 0.0;
uint light_cull = 0u;
vec2 px = gl_FragCoord.xy;
LIGHT_FOREACH_BEGIN_LOCAL(light_cull_buf, light_zbin_buf, light_tile_buf, px, vP_z, l_idx)
{
LightData light = light_buf[l_idx];
light_cull |= 1u << l_idx;
light_count += 1.0;
}
LIGHT_FOREACH_END
uint light_nocull = 0u;
LIGHT_FOREACH_BEGIN_LOCAL_NO_CULL(light_cull_buf, l_idx)
{
LightData light = light_buf[l_idx];
vec3 L;
float dist;
light_vector_get(light, P, L, dist);
if (light_attenuation(light, L, dist) > 0.0) {
light_nocull |= 1u << l_idx;
}
}
LIGHT_FOREACH_END
vec4 color = vec4(heatmap_gradient(light_count / 4.0), 1.0);
if ((light_cull & light_nocull) != light_nocull) {
/* ERROR. Some lights were culled incorrectly. */
color = vec4(0.0, 1.0, 0.0, 1.0);
}
out_debug_color_add = vec4(color.rgb, 0.0) * 0.2;
out_debug_color_mul = color;
}
|
