Perspective projection

data/shaders/basic.frag

@@ -1,9 +1,14 @@
 #version 450
 
-layout(location = 0) in vec3 fragCoord;
-layout(location = 1) in float vertexIndex;
+layout(location = 0) in float vertexIndex;
+layout(location = 1) in float depth;
 layout(location = 0) out vec4 fragColor;
 
 void main() {
-    fragColor = vec4(fragCoord.z, vertexIndex * 0.1, 0.0, 1.0);
+    fragColor = vec4(
+        depth,
+        0.0,
+        0.0,
+        1.0
+    );
 }

data/shaders/basic.vert

@@ -1,11 +1,20 @@
 #version 450
 
 layout(location = 0) in vec3 inCoord;
-layout(location = 0) out vec3 outCoord;
-layout(location = 1) out float vertexIndex;
+layout(location = 0) out float vertexIndex;
+layout(location = 1) out float depth;
+
+layout(set = 1, binding = 0) uniform Camera{
+    mat4 transform;
+} camera;
+layout(set = 1, binding = 1) uniform Object{
+    mat4 transform;
+} object;
+
 
 void main() {
-    outCoord = inCoord * 0.5 + 0.5;
     vertexIndex = gl_VertexIndex;
-    gl_Position = vec4(inCoord, 1.0);
+    vec4 outPos = vec4(inCoord, 1.0) * object.transform * camera.transform;
+    depth = outPos.z / outPos.w;
+    gl_Position = outPos;
 }