diff --git a/engine/src/flutter/ci/licenses_golden/licenses_flutter b/engine/src/flutter/ci/licenses_golden/licenses_flutter
index ee2724eaec..dd6eac3c39 100644
--- a/engine/src/flutter/ci/licenses_golden/licenses_flutter
+++ b/engine/src/flutter/ci/licenses_golden/licenses_flutter
@@ -1107,6 +1107,7 @@ FILE: ../../../flutter/impeller/compiler/reflector.cc
 FILE: ../../../flutter/impeller/compiler/reflector.h
 FILE: ../../../flutter/impeller/compiler/runtime_stage_data.cc
 FILE: ../../../flutter/impeller/compiler/runtime_stage_data.h
+FILE: ../../../flutter/impeller/compiler/shader_lib/flutter/runtime_effect.glsl
 FILE: ../../../flutter/impeller/compiler/shader_lib/impeller/blending.glsl
 FILE: ../../../flutter/impeller/compiler/shader_lib/impeller/branching.glsl
 FILE: ../../../flutter/impeller/compiler/shader_lib/impeller/color.glsl
diff --git a/engine/src/flutter/impeller/compiler/shader_lib/flutter/runtime_effect.glsl b/engine/src/flutter/impeller/compiler/shader_lib/flutter/runtime_effect.glsl
new file mode 100644
index 0000000000..3e5740c103
--- /dev/null
+++ b/engine/src/flutter/impeller/compiler/shader_lib/flutter/runtime_effect.glsl
@@ -0,0 +1,25 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef RUNTIME_EFFECT_GLSL_
+#define RUNTIME_EFFECT_GLSL_
+
+#if defined(IMPELLER_GRAPHICS_BACKEND)
+
+in vec2 _fragCoord;
+vec2 FlutterFragCoord() {
+  return _fragCoord;
+}
+
+#elif defined(SKIA_GRAPHICS_BACKEND)
+
+vec2 FlutterFragCoord() {
+  return gl_FragCoord.xy;
+}
+
+#else
+#error "Runtime effect builtins are not supported for this graphics backend."
+#endif
+
+#endif
diff --git a/engine/src/flutter/impeller/fixtures/ink_sparkle.frag b/engine/src/flutter/impeller/fixtures/ink_sparkle.frag
index 1b3a43ca45..b8dea9bf00 100644
--- a/engine/src/flutter/impeller/fixtures/ink_sparkle.frag
+++ b/engine/src/flutter/impeller/fixtures/ink_sparkle.frag
@@ -6,6 +6,8 @@
 
 precision highp float;
 
+#include <flutter/runtime_effect.glsl>
+
 layout(location = 0) uniform vec4 u_color;
 layout(location = 1) uniform float u_alpha;
 layout(location = 2) uniform vec4 u_sparkle_color;
@@ -86,7 +88,7 @@ float turbulence(vec2 uv) {
 }
 
 void main() {
-  vec2 p = gl_FragCoord.xy;
+  vec2 p = FlutterFragCoord();
   vec2 uv = p * u_resolution_scale;
   vec2 density_uv = uv - mod(p, u_noise_scale);
   float radius = u_max_radius * u_radius_scale;
diff --git a/engine/src/flutter/impeller/fixtures/simple.vert b/engine/src/flutter/impeller/fixtures/simple.vert
index e0cb437917..122bf06305 100644
--- a/engine/src/flutter/impeller/fixtures/simple.vert
+++ b/engine/src/flutter/impeller/fixtures/simple.vert
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+out vec2 v_position;
+
 void main() {
   gl_Position = vec4(1.0);
+  v_position = vec2(1.0);
 }
diff --git a/engine/src/flutter/lib/ui/fixtures/shaders/general_shaders/uniforms_sorted.frag b/engine/src/flutter/lib/ui/fixtures/shaders/general_shaders/uniforms_sorted.frag
index 3c97433f00..827fc18ce3 100644
--- a/engine/src/flutter/lib/ui/fixtures/shaders/general_shaders/uniforms_sorted.frag
+++ b/engine/src/flutter/lib/ui/fixtures/shaders/general_shaders/uniforms_sorted.frag
@@ -11,6 +11,8 @@
 
 precision highp float;
 
+#include <flutter/runtime_effect.glsl>
+
 layout(location = 0) uniform vec4 u_color;
 layout(location = 1) uniform float u_alpha;
 layout(location = 2) uniform vec4 u_sparkle_color;
@@ -93,7 +95,7 @@ float turbulence(vec2 uv) {
 void main() {
   // This block of code triggers the compiler to emit the uniforms out of order
   // if they are not explicitly sorted.
-  vec2 p = gl_FragCoord.xy;
+  vec2 p = FlutterFragCoord();
   vec2 uv = p * u_resolution_scale;
   vec2 density_uv = uv - mod(p, u_noise_scale);
   float radius = u_max_radius * u_radius_scale;