initial commit-moved from vulkan_guide

shaders/gradient_color.comp

@@ -0,0 +1,32 @@
+#version 460
+
+layout (local_size_x = 16, local_size_y = 16) in;
+
+layout(rgba16f,set = 0, binding = 0) uniform image2D image;
+
+//push constants block
+layout( push_constant ) uniform constants
+{
+ vec4 data1;
+ vec4 data2;
+ vec4 data3;
+ vec4 data4;
+} PushConstants;
+
+void main() 
+{
+    ivec2 texelCoord = ivec2(gl_GlobalInvocationID.xy);
+
+	ivec2 size = imageSize(image);
+
+    vec4 topColor = PushConstants.data1;
+    vec4 bottomColor = PushConstants.data2;
+
+    if(texelCoord.x < size.x && texelCoord.y < size.y)
+    {
+        float blend = float(texelCoord.y)/(size.y); 
+    
+        imageStore(image, texelCoord, mix(topColor,bottomColor, blend));
+    }
+}
+