diff --git a/src/operators/output/customRender.tox b/src/operators/output/customRender.tox
index d7c57ea0a..32222768e 100644
Binary files a/src/operators/output/customRender.tox and b/src/operators/output/customRender.tox differ
diff --git a/src/operators/output/customRender.yaml b/src/operators/output/customRender.yaml
index 383bb3c6e..949246848 100644
--- a/src/operators/output/customRender.yaml
+++ b/src/operators/output/customRender.yaml
@@ -1,7 +1,7 @@
 !rop
 meta: !meta
   opType: raytk.operators.output.customRender
-  opVersion: '18'
+  opVersion: '19'
   opStatus: alpha
 paramPages:
 - !page
@@ -192,6 +192,11 @@ opDef: !def
   callbacks: !text
     file: src/operators/output/customRender.py
     name: customRender
+  macroTable: !table
+    file: src/operators/output/customRender_macros.txt
+    name: macro_exprs
+    evaluate: true
+    evalOpts: !evalOpts {}
   displayCategory: Render
 inputs:
 - !input
diff --git a/src/operators/output/customRender_body.glsl b/src/operators/output/customRender_body.glsl
index 9b7435337..d506dfcd7 100644
--- a/src/operators/output/customRender_body.glsl
+++ b/src/operators/output/customRender_body.glsl
@@ -4,6 +4,21 @@ void main() {
 	#endif
 	initOutputs();
 
+	CustomRenderInputs inputs;
+	inputs.uvPos = vec3(vUV.st, 0.);
+	inputs.resolution = vec3(uTDOutputInfo.res.zw, 1.);
+	#if defined(RAYTK_OUTPUT_TEXTURE_2D)
+	#elif defined(RAYTK_OUTPUT_TEXTURE_3D)
+	inputs.uvPos.z = uTDOutputInfo.depth.z; // depth offset
+	inputs.resolution.z = int(uTDOutputInfo.depth.y); // depth
+	#elif defined(RAYTK_OUTPUT_TEXTURE_2D_ARRAY)
+	inputs.resolution.z = int(uTDOutputInfo.depth.y);
+	if (inputs.resolution.z > 1) {
+		inputs.uvPos.z = uTDOutputInfo.depth.z / (inputs.resolution.z - 1.0);
+	}
+	#endif
+	inputs.pixelPos = ivec3(inputs.uvPos * inputs.resolution);
+
 	vec2 resolution = uTDOutputInfo.res.zw;
 	vec2 fragCoord = vUV.st;//*resolution;
 	fragCoord.x *= uTDOutputInfo.res.z/uTDOutputInfo.res.w;
@@ -13,5 +28,5 @@ void main() {
 
 	Context ctx = createDefaultContext();
 
-	customMain(fragCoord, p, ctx);
+	customMain(inputs, ctx);
 }
\ No newline at end of file
diff --git a/src/operators/output/customRender_defaultMainCode.glsl b/src/operators/output/customRender_defaultMainCode.glsl
index 4860621cb..f65874f01 100644
--- a/src/operators/output/customRender_defaultMainCode.glsl
+++ b/src/operators/output/customRender_defaultMainCode.glsl
@@ -1,4 +1,5 @@
-void customMain(vec2 fragCoord, vec2 p, Context ctx) {
+void customMain(CustomRenderInputs inputs, Context ctx) {
+	vec2 p = inputs.uvPos.xy * vec2(2.) - vec2(1.);
 	vec4 res1 = fillToVec4(inputOp1(p, ctx));
 	#ifdef OUTPUT_COLOR
 	colorOut = TDOutputSwizzle(res1);
diff --git a/src/operators/output/customRender_macros.txt b/src/operators/output/customRender_macros.txt
new file mode 100644
index 000000000..1eb0f663e
--- /dev/null
+++ b/src/operators/output/customRender_macros.txt
@@ -0,0 +1,3 @@
+int(parent().par.Type == 'texture2d')	'RAYTK_OUTPUT_TEXTURE_2D'	''
+int(parent().par.Type == 'texture3d')	'RAYTK_OUTPUT_TEXTURE_3D'	''
+int(parent().par.Type == 'texture2darray')	'RAYTK_OUTPUT_TEXTURE_2D_ARRAY'	''
diff --git a/src/operators/output/customRender_predeclarations.glsl b/src/operators/output/customRender_predeclarations.glsl
new file mode 100644
index 000000000..543fe8763
--- /dev/null
+++ b/src/operators/output/customRender_predeclarations.glsl
@@ -0,0 +1,5 @@
+struct CustomRenderInputs {
+	ivec3 pixelPos;
+	vec3 uvPos;
+	vec3 resolution;
+};
diff --git a/tests/testCases/operators/output/customRender_test.tox b/tests/testCases/operators/output/customRender_test.tox
index 1544433cd..5636eca9e 100644
Binary files a/tests/testCases/operators/output/customRender_test.tox and b/tests/testCases/operators/output/customRender_test.tox differ