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Add one more sample offset

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This commit is contained in:
Marco Buono 2023-04-25 23:57:02 -03:00
parent 8ac3ef127b
commit d47fe5bc2a
1 changed files with 5 additions and 3 deletions
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8
crates/bevy_pbr/src/render/pbr_lighting.wgsl
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@ -321,7 +321,7 @@ fn interleaved_gradient_noise(pixel_coordinates: vec2<f32>) -> f32 {
}
// https://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare (slides 120-135)
const sample_offsets: array<vec2<f32>, 8> = array<vec2<f32>, 8>(
const sample_offsets: array<vec2<f32>, 9> = array<vec2<f32>, 9>(
vec2<f32>(-0.7071, 0.7071),
vec2<f32>(-0.0000, -0.8750),
vec2<f32>( 0.5303, 0.5303),
@ -330,6 +330,7 @@ const sample_offsets: array<vec2<f32>, 8> = array<vec2<f32>, 8>(
vec2<f32>(-0.0000, 0.3750),
vec2<f32>(-0.1768, -0.1768),
vec2<f32>( 0.1250, 0.0000),
vec2<f32>(-0.0404, 0.0404),
);
fn fetch_transmissive_background(offset_position: vec2<f32>, frag_coord: vec3<f32>, perceptual_roughness: f32, distance: f32) -> vec4<f32> {
@ -348,9 +349,9 @@ fn fetch_transmissive_background(offset_position: vec2<f32>, frag_coord: vec3<f3
let blur_intensity = perceptual_roughness / distance;
// Number of taps scale with blur intensity
// Minimum: 1, Maximum: 8
// Minimum: 1, Maximum: 9
let num_taps = i32(min(blur_intensity * 90.0, 7.0)) + 1;
let num_taps = i32(min(blur_intensity * 300.0, 8.0)) + 1;
var result = vec4<f32>(0.0);
for (var i: i32 = 0; i < num_taps; i = i + 1) {
let random_angle = 2.0 * PI * interleaved_gradient_noise(frag_coord.xy);
@ -372,6 +373,7 @@ fn fetch_transmissive_background(offset_position: vec2<f32>, frag_coord: vec3<f3
case 5: { sample_offset = sample_offsets[5]; }
case 6: { sample_offset = sample_offsets[6]; }
case 7: { sample_offset = sample_offsets[7]; }
case 8: { sample_offset = sample_offsets[8]; }
default: {}
}