diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl')
| -rw-r--r-- | source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl index 57b16418696..2f6f8327f58 100644 --- a/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl +++ b/source/blender/draw/engines/eevee/shaders/ambient_occlusion_lib.glsl @@ -1,4 +1,7 @@ +#pragma BLENDER_REQUIRE(common_math_lib.glsl) +#pragma BLENDER_REQUIRE(raytrace_lib.glsl) + /* Based on Practical Realtime Strategies for Accurate Indirect Occlusion * http://blog.selfshadow.com/publications/s2016-shading-course/activision/s2016_pbs_activision_occlusion.pdf * http://blog.selfshadow.com/publications/s2016-shading-course/activision/s2016_pbs_activision_occlusion.pptx @@ -24,12 +27,6 @@ #define MAX_SEARCH_ITER 32 #define MAX_LOD 6.0 -#ifndef UTIL_TEX -# define UTIL_TEX -uniform sampler2DArray utilTex; -# define texelfetch_noise_tex(coord) texelFetch(utilTex, ivec3(ivec2(coord) % LUT_SIZE, 2.0), 0) -#endif /* UTIL_TEX */ - uniform sampler2D horizonBuffer; /* aoSettings flags */ @@ -243,6 +240,11 @@ float gtao_multibounce(float visibility, vec3 albedo) return max(x, ((x * a + b) * x + c) * x); } +float specular_occlusion(float NV, float AO, float roughness) +{ + return saturate(pow(NV + AO, roughness) - 1.0 + AO); +} + /* Use the right occlusion */ float occlusion_compute(vec3 N, vec3 vpos, float user_occlusion, vec4 rand, out vec3 bent_normal) { |