1 files changed, 33 insertions, 0 deletions
diff --git a/source/blender/gpu/metal/kernels/depth_2d_update_vert.glsl b/source/blender/gpu/metal/kernels/depth_2d_update_vert.glsl
new file mode 100644
index 00000000000..092ae45b719
--- /dev/null
+++ b/source/blender/gpu/metal/kernels/depth_2d_update_vert.glsl
@@ -0,0 +1,33 @@
+
+uniform vec2 extent;
+uniform vec2 offset;
+uniform vec2 size;
+out vec2 texCoord_interp;
+in vec2 pos;
+
+void main()
+{
+  vec4 rect = vec4(offset.x, offset.y, offset.x + extent.x, offset.y + extent.y);
+  rect /= vec4(size, size);
+  vec4 tex = rect;
+  rect = rect * 2.0 - 1.0;
+
+  /* QUAD */
+  if (pos.x == 0.0 && pos.y == 0.0) {
+    rect.xy = rect.xy;
+    texCoord_interp = tex.xy;
+  }
+  else if (pos.x == 0.0 && pos.y == 1.0) {
+    rect.xy = rect.xw;
+    texCoord_interp = tex.xw;
+  }
+  else if (pos.x == 1.0 && pos.y == 1.0) {
+    rect.xy = rect.zw;
+    texCoord_interp = tex.zw;
+  }
+  else {
+    rect.xy = rect.zy;
+    texCoord_interp = tex.zy;
+  }
+  gl_Position = vec4(rect.xy, 0.0f, 1.0f);
+}
+\ No newline at end of file