diff options
Diffstat (limited to 'servers/rendering')
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/scene_forward.glsl | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/servers/rendering/renderer_rd/shaders/scene_forward.glsl b/servers/rendering/renderer_rd/shaders/scene_forward.glsl index adccf1e712..1cea9bf8db 100644 --- a/servers/rendering/renderer_rd/shaders/scene_forward.glsl +++ b/servers/rendering/renderer_rd/shaders/scene_forward.glsl @@ -799,13 +799,11 @@ LIGHT_SHADER_CODE #ifndef USE_NO_SHADOWS -// Produces cheap white noise, optimized for window-space -// Comes from: https://www.shadertoy.com/view/4djSRW -// Copyright: Dave Hoskins, MIT License +// Interleaved Gradient Noise +// http://www.iryoku.com/next-generation-post-processing-in-call-of-duty-advanced-warfare float quick_hash(vec2 pos) { - vec3 p3 = fract(vec3(pos.xyx) * .1031); - p3 += dot(p3, p3.yzx + 33.33); - return fract((p3.x + p3.y) * p3.z); + const vec3 magic = vec3(0.06711056f, 0.00583715f, 52.9829189f); + return fract(magic.z * fract(dot(pos, magic.xy))); } float sample_directional_pcf_shadow(texture2D shadow, vec2 shadow_pixel_size, vec4 coord) { |