Bulk update NvPro-Samples 03/18/21

ray_tracing_ao/shaders/post.frag

@@ -0,0 +1,23 @@
+#version 450
+layout(location = 0) in vec2 outUV;
+layout(location = 0) out vec4 fragColor;
+
+layout(set = 0, binding = 0) uniform sampler2D noisyTxt;
+layout(set = 0, binding = 1) uniform sampler2D aoTxt;
+
+
+layout(push_constant) uniform shaderInformation
+{
+  float aspectRatio;
+}
+pushc;
+
+void main()
+{
+  vec2  uv    = outUV;
+  float gamma = 1. / 2.2;
+  vec4  color = texture(noisyTxt, uv);
+  float ao    = texture(aoTxt, uv).x;
+
+  fragColor = pow(color * ao, vec4(gamma));
+}