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Added ability for SSAO to affect AO textures too

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This commit is contained in:
Juan Linietsky 2018-07-02 16:50:52 -03:00
parent 2dc738ce27
commit 7fc2367508
13 changed files with 77 additions and 31 deletions
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10
drivers/gles3/shaders/scene.glsl
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@ -90,6 +90,7 @@ layout(std140) uniform SceneData { //ubo:0
mediump float reflection_multiplier;
mediump float subsurface_scatter_width;
mediump float ambient_occlusion_affect_light;
mediump float ambient_occlusion_affect_ao_channel;
bool fog_depth_enabled;
highp float fog_depth_begin;
@ -670,6 +671,7 @@ layout(std140) uniform SceneData {
mediump float reflection_multiplier;
mediump float subsurface_scatter_width;
mediump float ambient_occlusion_affect_light;
mediump float ambient_occlusion_affect_ao_channel;
bool fog_depth_enabled;
highp float fog_depth_begin;
@ -2128,18 +2130,16 @@ FRAGMENT_SHADER_CODE
#else
#if defined(ENABLE_AO)
float ambient_scale=0.0; // AO is supplied by material
#else
//approximate ambient scale for SSAO, since we will lack full ambient
float max_emission=max(emission.r,max(emission.g,emission.b));
float max_ambient=max(ambient_light.r,max(ambient_light.g,ambient_light.b));
float max_diffuse=max(diffuse_light.r,max(diffuse_light.g,diffuse_light.b));
float total_ambient = max_ambient+max_diffuse+max_emission;
float ambient_scale = (total_ambient>0.0) ? (max_ambient+ambient_occlusion_affect_light*max_diffuse)/total_ambient : 0.0;
#endif //ENABLE_AO
#if defined(ENABLE_AO)
ambient_scale=mix(0.0,ambient_scale,ambient_occlusion_affect_ao_channel);
#endif
diffuse_buffer=vec4(emission+diffuse_light+ambient_light,ambient_scale);
specular_buffer=vec4(specular_light,metallic);