Add ktx

ktx/tests/loadtests/vkloadtests/shaders/texture/texture2d.frag

@@ -0,0 +1,36 @@
+// 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 = 1) uniform sampler2D samplerColor;
+
+layout (location = 0) in vec2 inUV;
+layout (location = 1) in float inLodBias;
+layout (location = 2) in vec3 inNormal;
+layout (location = 3) in vec3 inViewVec;
+layout (location = 4) in vec3 inLightVec;
+layout (location = 5) in vec3 inColor;
+
+layout (location = 0) out vec4 outFragColor;
+
+void main()
+{
+    vec4 fragcolor, texcolor;
+
+    texcolor = texture(samplerColor, inUV, inLodBias);
+    fragcolor.rgb = inColor.rgb * (1.0f - texcolor.a) + texcolor.rgb * texcolor.a;
+    fragcolor.a = texcolor.a;
+
+    vec3 N = normalize(inNormal);
+    vec3 L = normalize(inLightVec);
+    vec3 V = normalize(inViewVec);
+    vec3 R = reflect(-L, N);
+    vec3 diffuse = max(dot(N, L), 0.0) * vec3(1.0);
+    float specular = pow(max(dot(R, V), 0.0), 16.0) * fragcolor.a;
+
+    outFragColor = vec4(diffuse * fragcolor.rgb + specular, 1.0);
+}