Add ktx

ktx/tests/loadtests/vkloadtests/shaders/cubemap/reflect.frag

@@ -0,0 +1,47 @@
+// Copyright 2017 Mark Callow
+// SPDX-License-Identifier: Apache-2.0
+
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (binding = 0) uniform UBO
+{
+    mat4 projection;
+    mat4 modelView;
+    mat4 invModelView;
+    mat4 uvwTransform;
+    float lodBias;
+} ubo;
+
+layout (binding = 1) uniform samplerCube samplerColor;
+
+layout (location = 0) in vec3 inPos;
+layout (location = 1) in vec3 inNormal;
+layout (location = 2) in float inLodBias;
+layout (location = 3) in vec3 inViewVec;
+layout (location = 4) in vec3 inLightVec;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main() 
+{
+	vec3 cI = normalize (inPos);
+	vec3 cR = reflect (cI, normalize(inNormal));
+
+    //cR = vec3(ubo.invModelView * vec4(cR, 0.0));
+    cR = vec3(ubo.uvwTransform * ubo.invModelView * vec4(cR, 0.0));
+
+	vec4 color = texture(samplerColor, cR, inLodBias);
+
+	vec3 N = normalize(inNormal);
+	vec3 L = normalize(inLightVec);
+	vec3 V = normalize(inViewVec);
+	vec3 R = reflect(-L, N);
+	vec3 ambient = vec3(0.5) * color.rgb;
+	vec3 diffuse = max(dot(N, L), 0.0) * vec3(1.0);
+	vec3 specular = pow(max(dot(R, V), 0.0), 16.0) * vec3(0.5);
+	outFragColor = vec4(ambient + diffuse * color.rgb + specular, 1.0);		
+
+}