diff --git a/core/fpdfapi/render/cpdf_rendershading.cpp b/core/fpdfapi/render/cpdf_rendershading.cpp
index aa99a09..f44b1b8 100644
--- a/core/fpdfapi/render/cpdf_rendershading.cpp
+++ b/core/fpdfapi/render/cpdf_rendershading.cpp
@@ -912,10 +912,12 @@
     clip_rect_bbox.Intersect(
         mtMatrix.TransformRect(pDict->GetRectFor("BBox")).GetOuterRect());
   }
-  if (pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SHADING &&
+#if defined(PDF_USE_SKIA)
+  if ((pDevice->GetDeviceCaps(FXDC_RENDER_CAPS) & FXRC_SHADING) &&
       pDevice->DrawShading(*pPattern, mtMatrix, clip_rect_bbox, alpha)) {
     return;
   }
+#endif  // defined(PDF_USE_SKIA)
   CPDF_DeviceBuffer buffer(pContext, pDevice, clip_rect_bbox, pCurObj, 150);
   RetainPtr<CFX_DIBitmap> pBitmap = buffer.Initialize();
   if (!pBitmap) {
diff --git a/core/fxge/cfx_renderdevice.cpp b/core/fxge/cfx_renderdevice.cpp
index a8ae574..668fdac 100644
--- a/core/fxge/cfx_renderdevice.cpp
+++ b/core/fxge/cfx_renderdevice.cpp
@@ -700,25 +700,24 @@
   }
 
   if (fill && fill_alpha && stroke_alpha < 0xff && fill_options.stroke) {
-    if (m_RenderCaps & FXRC_FILLSTROKE_PATH) {
 #if defined(PDF_USE_SKIA)
-      if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
+    if (m_RenderCaps & FXRC_FILLSTROKE_PATH) {
+      const bool using_skia = CFX_DefaultRenderDevice::UseSkiaRenderer();
+      if (using_skia) {
         m_pDeviceDriver->SetGroupKnockout(true);
       }
-#endif
       bool draw_fillstroke_path_result = m_pDeviceDriver->DrawPath(
           path, pObject2Device, pGraphState, fill_color, stroke_color,
           fill_options, blend_type);
 
-#if defined(PDF_USE_SKIA)
-      if (CFX_DefaultRenderDevice::UseSkiaRenderer()) {
+      if (using_skia) {
         // Restore the group knockout status for `m_pDeviceDriver` after
         // finishing painting a fill-and-stroke path.
         m_pDeviceDriver->SetGroupKnockout(false);
       }
-#endif
       return draw_fillstroke_path_result;
     }
+#endif  // defined(PDF_USE_SKIA)
     return DrawFillStrokePath(path, pObject2Device, pGraphState, fill_color,
                               stroke_color, fill_options, blend_type);
   }
@@ -1011,6 +1010,13 @@
 }
 
 #if defined(PDF_USE_SKIA)
+bool CFX_RenderDevice::DrawShading(const CPDF_ShadingPattern& pattern,
+                                   const CFX_Matrix& matrix,
+                                   const FX_RECT& clip_rect,
+                                   int alpha) {
+  return m_pDeviceDriver->DrawShading(pattern, matrix, clip_rect, alpha);
+}
+
 bool CFX_RenderDevice::SetBitsWithMask(RetainPtr<const CFX_DIBBase> bitmap,
                                        RetainPtr<const CFX_DIBBase> mask,
                                        int left,
@@ -1024,7 +1030,7 @@
 bool CFX_RenderDevice::SyncInternalBitmaps() {
   return m_pDeviceDriver->SyncInternalBitmaps();
 }
-#endif
+#endif  // defined(PDF_USE_SKIA)
 
 bool CFX_RenderDevice::DrawNormalText(pdfium::span<const TextCharPos> pCharPos,
                                       CFX_Font* pFont,
@@ -1336,13 +1342,6 @@
   }
 }
 
-bool CFX_RenderDevice::DrawShading(const CPDF_ShadingPattern& pattern,
-                                   const CFX_Matrix& matrix,
-                                   const FX_RECT& clip_rect,
-                                   int alpha) {
-  return m_pDeviceDriver->DrawShading(pattern, matrix, clip_rect, alpha);
-}
-
 void CFX_RenderDevice::DrawBorder(const CFX_Matrix* pUser2Device,
                                   const CFX_FloatRect& rect,
                                   float fWidth,
diff --git a/core/fxge/cfx_renderdevice.h b/core/fxge/cfx_renderdevice.h
index 4970a7a..e1c3df4 100644
--- a/core/fxge/cfx_renderdevice.h
+++ b/core/fxge/cfx_renderdevice.h
@@ -194,16 +194,16 @@
                   int32_t nTransparency,
                   int32_t nStartGray,
                   int32_t nEndGray);
-  bool DrawShading(const CPDF_ShadingPattern& pattern,
-                   const CFX_Matrix& matrix,
-                   const FX_RECT& clip_rect,
-                   int alpha);
 
   // See RenderDeviceDriverIface methods of the same name.
   bool MultiplyAlpha(float alpha);
   bool MultiplyAlphaMask(RetainPtr<const CFX_DIBitmap> mask);
 
 #if defined(PDF_USE_SKIA)
+  bool DrawShading(const CPDF_ShadingPattern& pattern,
+                   const CFX_Matrix& matrix,
+                   const FX_RECT& clip_rect,
+                   int alpha);
   bool SetBitsWithMask(RetainPtr<const CFX_DIBBase> bitmap,
                        RetainPtr<const CFX_DIBBase> mask,
                        int left,
@@ -211,7 +211,7 @@
                        float alpha,
                        BlendMode blend_type);
   bool SyncInternalBitmaps();
-#endif
+#endif  // defined(PDF_USE_SKIA)
 
  protected:
   CFX_RenderDevice();
diff --git a/core/fxge/render_defines.h b/core/fxge/render_defines.h
index 055bac3..23c32a0 100644
--- a/core/fxge/render_defines.h
+++ b/core/fxge/render_defines.h
@@ -22,7 +22,11 @@
 #define FXRC_BLEND_MODE 0x80
 #define FXRC_SOFT_CLIP 0x100
 #define FXRC_BYTEMASK_OUTPUT 0x800
+// Assuming these are Skia-only for now. If this assumption changes, update both
+// the #if logic here, as well as the callsites that check these capabilities.
+#if defined(PDF_USE_SKIA)
 #define FXRC_FILLSTROKE_PATH 0x2000
 #define FXRC_SHADING 0x4000
+#endif
 
 #endif  // CORE_FXGE_RENDER_DEFINES_H_
diff --git a/core/fxge/renderdevicedriver_iface.cpp b/core/fxge/renderdevicedriver_iface.cpp
index 7367845..b637735 100644
--- a/core/fxge/renderdevicedriver_iface.cpp
+++ b/core/fxge/renderdevicedriver_iface.cpp
@@ -66,6 +66,7 @@
   return 0;
 }
 
+#if defined(PDF_USE_SKIA)
 bool RenderDeviceDriverIface::DrawShading(const CPDF_ShadingPattern& pattern,
                                           const CFX_Matrix& matrix,
                                           const FX_RECT& clip_rect,
@@ -73,7 +74,6 @@
   return false;
 }
 
-#if defined(PDF_USE_SKIA)
 bool RenderDeviceDriverIface::SetBitsWithMask(
     RetainPtr<const CFX_DIBBase> bitmap,
     RetainPtr<const CFX_DIBBase> mask,
@@ -89,7 +89,7 @@
 bool RenderDeviceDriverIface::SyncInternalBitmaps() {
   return true;
 }
-#endif
+#endif  // defined(PDF_USE_SKIA)
 
 RenderDeviceDriverIface::StartResult::StartResult(
     bool success,
diff --git a/core/fxge/renderdevicedriver_iface.h b/core/fxge/renderdevicedriver_iface.h
index f61558f..1e37a4c 100644
--- a/core/fxge/renderdevicedriver_iface.h
+++ b/core/fxge/renderdevicedriver_iface.h
@@ -111,11 +111,11 @@
                               uint32_t color,
                               const CFX_TextRenderOptions& options);
   virtual int GetDriverType() const;
+#if defined(PDF_USE_SKIA)
   virtual bool DrawShading(const CPDF_ShadingPattern& pattern,
                            const CFX_Matrix& matrix,
                            const FX_RECT& clip_rect,
                            int alpha);
-#if defined(PDF_USE_SKIA)
   virtual bool SetBitsWithMask(RetainPtr<const CFX_DIBBase> bitmap,
                                RetainPtr<const CFX_DIBBase> mask,
                                int left,
@@ -128,7 +128,7 @@
   // Syncs the current rendering result from the internal buffer to the output
   // bitmap if such internal buffer exists.
   virtual bool SyncInternalBitmaps();
-#endif
+#endif  // defined(PDF_USE_SKIA)
 
   // Multiplies the device by a constant alpha, returning `true` on success.
   // Implementations CHECK the following conditions: