Commit: 1c12e1a2ebc74c30c4677b75846a0351c7bd1134 Author: Clément Foucault Date: Thu Mar 1 15:30:25 2018 +0100 Branches: blender2.8 https://developer.blender.org/rB1c12e1a2ebc74c30c4677b75846a0351c7bd1134
Clay: Perf: Early out of SSAO if there is no need for it. =================================================================== M source/blender/draw/engines/clay/shaders/ssao_alchemy.glsl =================================================================== diff --git a/source/blender/draw/engines/clay/shaders/ssao_alchemy.glsl b/source/blender/draw/engines/clay/shaders/ssao_alchemy.glsl index 48c117c3d8d..94e2d6f3c7b 100644 --- a/source/blender/draw/engines/clay/shaders/ssao_alchemy.glsl +++ b/source/blender/draw/engines/clay/shaders/ssao_alchemy.glsl @@ -10,6 +10,11 @@ void ssao_factors( in float depth, in vec3 normal, in vec3 position, in vec2 screenco, out float cavities, out float edges) { + cavities = edges = 0.0; + /* early out if there is no need for SSAO */ + if (ssao_factor_cavity == 0.0 && ssao_factor_edge == 0.0) + return; + /* take the normalized ray direction here */ vec3 noise = texture(ssao_jitter, screenco.xy * jitter_tilling).rgb; @@ -22,7 +27,6 @@ void ssao_factors( /* convert from -1.0...1.0 range to 0.0..1.0 for easy use with texture coordinates */ offset *= 0.5; - cavities = edges = 0.0; int num_samples = int(ssao_samples_num); /* Note. Putting noise usage here to put some ALU after texture fetch. */ _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org https://lists.blender.org/mailman/listinfo/bf-blender-cvs