diff --git a/util/test/tests/D3D11/D3D11_CBuffer_Zoo.py b/util/test/tests/D3D11/D3D11_CBuffer_Zoo.py
index 0ce62eb23..2fad69bbc 100644
--- a/util/test/tests/D3D11/D3D11_CBuffer_Zoo.py
+++ b/util/test/tests/D3D11/D3D11_CBuffer_Zoo.py
@@ -16,12 +16,10 @@ class D3D11_CBuffer_Zoo(rdtest.TestCase):
         self.controller.SetFrameEvent(draw.eventId, False)
 
         # Make an output so we can pick pixels
-        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(), rd.ReplayOutputType.Texture)
+        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
 
-        out.SetDimensions(100, 100)
-
         pipe: rd.PipeState = self.controller.GetPipelineState()
 
         stage = rd.ShaderStage.Pixel
diff --git a/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py b/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py
index 24dbd0d88..f143d4954 100644
--- a/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py
+++ b/util/test/tests/D3D12/D3D12_CBuffer_Zoo.py
@@ -17,12 +17,10 @@ class D3D12_CBuffer_Zoo(rdtest.TestCase):
         self.controller.SetFrameEvent(draw.eventId, False)
 
         # Make an output so we can pick pixels
-        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(), rd.ReplayOutputType.Texture)
+        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
 
-        out.SetDimensions(100, 100)
-
         pipe: rd.PipeState = self.controller.GetPipelineState()
 
         stage = rd.ShaderStage.Pixel
diff --git a/util/test/tests/GL/GL_CBuffer_Zoo.py b/util/test/tests/GL/GL_CBuffer_Zoo.py
index 8ffb27ca3..9fce70eb9 100644
--- a/util/test/tests/GL/GL_CBuffer_Zoo.py
+++ b/util/test/tests/GL/GL_CBuffer_Zoo.py
@@ -14,12 +14,10 @@ class GL_CBuffer_Zoo(rdtest.TestCase):
         self.controller.SetFrameEvent(draw.eventId, False)
 
         # Make an output so we can pick pixels
-        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(), rd.ReplayOutputType.Texture)
+        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
 
-        out.SetDimensions(100, 100)
-
         pipe: rd.PipeState = self.controller.GetPipelineState()
 
         stage = rd.ShaderStage.Pixel
diff --git a/util/test/tests/Vulkan/VK_Adv_CBuffer_Zoo.py b/util/test/tests/Vulkan/VK_Adv_CBuffer_Zoo.py
index dbc7515c5..a36bc8d17 100644
--- a/util/test/tests/Vulkan/VK_Adv_CBuffer_Zoo.py
+++ b/util/test/tests/Vulkan/VK_Adv_CBuffer_Zoo.py
@@ -14,12 +14,10 @@ class VK_Adv_CBuffer_Zoo(rdtest.TestCase):
         self.controller.SetFrameEvent(draw.eventId, False)
 
         # Make an output so we can pick pixels
-        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(), rd.ReplayOutputType.Texture)
+        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
 
-        out.SetDimensions(100, 100)
-
         pipe: rd.PipeState = self.controller.GetPipelineState()
 
         stage = rd.ShaderStage.Vertex
diff --git a/util/test/tests/Vulkan/VK_CBuffer_Zoo.py b/util/test/tests/Vulkan/VK_CBuffer_Zoo.py
index 15e2c7dd2..e9bb58b66 100644
--- a/util/test/tests/Vulkan/VK_CBuffer_Zoo.py
+++ b/util/test/tests/Vulkan/VK_CBuffer_Zoo.py
@@ -14,12 +14,10 @@ class VK_CBuffer_Zoo(rdtest.TestCase):
         self.controller.SetFrameEvent(draw.eventId, False)
 
         # Make an output so we can pick pixels
-        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(), rd.ReplayOutputType.Texture)
+        out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100), rd.ReplayOutputType.Texture)
 
         self.check(out is not None)
 
-        out.SetDimensions(100, 100)
-
         pipe: rd.PipeState = self.controller.GetPipelineState()
 
         stage = rd.ShaderStage.Pixel
diff --git a/util/test/tests/Vulkan/VK_Indirect.py b/util/test/tests/Vulkan/VK_Indirect.py
index b4fb2b25a..fc6580432 100644
--- a/util/test/tests/Vulkan/VK_Indirect.py
+++ b/util/test/tests/Vulkan/VK_Indirect.py
@@ -35,13 +35,11 @@ class VK_Indirect(rdtest.TestCase):
             dispatches = self.find_draw("{}: Dispatches".format(level))
 
             # Set up a ReplayOutput and TextureSave for quickly testing the drawcall highlight overlay
-            out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(),
+            out: rd.ReplayOutput = self.controller.CreateOutput(rd.CreateHeadlessWindowingData(100, 100),
                                                                 rd.ReplayOutputType.Texture)
 
             self.check(out is not None)
 
-            out.SetDimensions(100, 100)
-
             tex = rd.TextureDisplay()
             tex.overlay = rd.DebugOverlay.Drawcall