Moved shaders to new directory

shaders/glsl/computeshader/emboss.comp

@@ -0,0 +1,44 @@
+#version 450
+
+layout (local_size_x = 16, local_size_y = 16) in;
+layout (binding = 0, rgba8) uniform readonly image2D inputImage;
+layout (binding = 1, rgba8) uniform image2D resultImage;
+
+float conv(in float[9] kernel, in float[9] data, in float denom, in float offset) 
+{
+   float res = 0.0;
+   for (int i=0; i<9; ++i) 
+   {
+      res += kernel[i] * data[i];
+   }
+   return clamp(res/denom + offset, 0.0, 1.0);
+}
+
+struct ImageData 
+{
+	float avg[9];
+} imageData;	
+
+void main()
+{	
+	// Fetch neighbouring texels
+	int n = -1;
+	for (int i=-1; i<2; ++i) 
+	{   
+		for(int j=-1; j<2; ++j) 
+		{    
+			n++;    
+			vec3 rgb = imageLoad(inputImage, ivec2(gl_GlobalInvocationID.x + i, gl_GlobalInvocationID.y + j)).rgb;
+			imageData.avg[n] = (rgb.r + rgb.g + rgb.b) / 3.0;
+		}
+	}
+
+	float[9] kernel;
+	kernel[0] = -1.0; kernel[1] =  0.0; kernel[2] =  0.0;
+	kernel[3] = 0.0; kernel[4] = -1.0; kernel[5] =  0.0;
+	kernel[6] = 0.0; kernel[7] =  0.0; kernel[8] = 2.0;
+									
+	vec4 res = vec4(vec3(conv(kernel, imageData.avg, 1.0, 0.50)), 1.0);
+
+	imageStore(resultImage, ivec2(gl_GlobalInvocationID.xy), res);
+}