Add lighting in VulkanTest

examples/bin/resources/shaders/triangle.frag

@@ -5,12 +5,16 @@
 
 layout(binding = 1) uniform sampler2D texSampler;
 
-layout (location = 0) in vec3 inColor;
-layout (location = 1) in vec2 outTexCoords;
+layout (location = 0) in vec3 inNormal;
+layout (location = 1) in vec2 inUV;
 
 layout (location = 0) out vec4 outFragColor;
 
 void main() 
 {
-  outFragColor = texture(texSampler, outTexCoords);
+	vec3 lightDir = vec3(0.0, -0.707, 0.707);
+	float lightFactor = dot(inNormal, lightDir);
+
+    float gamma = 2.2;
+    outFragColor = lightFactor * vec4(pow(texture(texSampler, inUV).xyz, vec3(1.0/gamma)), 1.0);
 }

examples/bin/resources/shaders/triangle.vert

@@ -4,7 +4,7 @@
 #extension GL_ARB_shading_language_420pack : enable
 
 layout (location = 0) in vec3 inPos;
-layout (location = 1) in vec3 inColor;
+layout (location = 1) in vec3 inNormals;
 layout (location = 2) in vec2 inTexCoord;
 
 layout (binding = 0) uniform UBO 
@@ -14,7 +14,7 @@ layout (binding = 0) uniform UBO
 	mat4 viewMatrix;
 } ubo;
 
-layout (location = 0) out vec3 outColor;
+layout (location = 0) out vec3 outNormal;
 layout (location = 1) out vec2 outTexCoords;
 
 out gl_PerVertex 
@@ -25,7 +25,7 @@ out gl_PerVertex
 
 void main() 
 {
-	outColor = inColor;
+	outNormal = inNormals;
 	outTexCoords = inTexCoord;
 	gl_Position = ubo.projectionMatrix * ubo.viewMatrix * ubo.modelMatrix * vec4(inPos, 1.0);
 }