diff --git a/Core/Compatibility.cpp b/Core/Compatibility.cpp
index a9f1a7556e..11233bf1bb 100644
--- a/Core/Compatibility.cpp
+++ b/Core/Compatibility.cpp
@@ -97,6 +97,7 @@ void Compatibility::CheckSettings(IniFile &iniFile, const std::string &gameID) {
 	CheckSetting(iniFile, gameID, "AtracLoopHack", &flags_.AtracLoopHack);
 	CheckSetting(iniFile, gameID, "DeswizzleDepth", &flags_.DeswizzleDepth);
 	CheckSetting(iniFile, gameID, "SplitFramebufferMargin", &flags_.SplitFramebufferMargin);
+	CheckSetting(iniFile, gameID, "ForceLowerResolutionForEffectsOn", &flags_.ForceLowerResolutionForEffectsOn);
 }
 
 void Compatibility::CheckSetting(IniFile &iniFile, const std::string &gameID, const char *option, bool *flag) {
diff --git a/Core/Compatibility.h b/Core/Compatibility.h
index 97f2d48075..9b1dfa5fd7 100644
--- a/Core/Compatibility.h
+++ b/Core/Compatibility.h
@@ -87,6 +87,7 @@ struct CompatFlags {
 	bool AtracLoopHack;
 	bool DeswizzleDepth;
 	bool SplitFramebufferMargin;
+	bool ForceLowerResolutionForEffectsOn;
 };
 
 class IniFile;
diff --git a/GPU/Common/FramebufferManagerCommon.cpp b/GPU/Common/FramebufferManagerCommon.cpp
index 5a74382fb6..d907f1ac2f 100644
--- a/GPU/Common/FramebufferManagerCommon.cpp
+++ b/GPU/Common/FramebufferManagerCommon.cpp
@@ -84,14 +84,17 @@ void FramebufferManagerCommon::Init() {
 
 bool FramebufferManagerCommon::UpdateSize() {
 	const bool newRender = renderWidth_ != (float)PSP_CoreParameter().renderWidth || renderHeight_ != (float)PSP_CoreParameter().renderHeight;
-	const bool newSettings = bloomHack_ != g_Config.iBloomHack || useBufferedRendering_ != (g_Config.iRenderingMode != FB_NON_BUFFERED_MODE);
+
+	const int effectiveBloomHack = PSP_CoreParameter().compat.flags().ForceLowerResolutionForEffectsOn ? 3 : g_Config.iBloomHack;
+
+	const bool newSettings = bloomHack_ != effectiveBloomHack || useBufferedRendering_ != (g_Config.iRenderingMode != FB_NON_BUFFERED_MODE);
 
 	renderWidth_ = (float)PSP_CoreParameter().renderWidth;
 	renderHeight_ = (float)PSP_CoreParameter().renderHeight;
 	renderScaleFactor_ = (float)PSP_CoreParameter().renderScaleFactor;
 	pixelWidth_ = PSP_CoreParameter().pixelWidth;
 	pixelHeight_ = PSP_CoreParameter().pixelHeight;
-	bloomHack_ = g_Config.iBloomHack;
+	bloomHack_ = effectiveBloomHack;
 	useBufferedRendering_ = g_Config.iRenderingMode != FB_NON_BUFFERED_MODE;
 
 	presentation_->UpdateSize(pixelWidth_, pixelHeight_, renderWidth_, renderHeight_);
@@ -626,7 +629,7 @@ void FramebufferManagerCommon::CopyToDepthFromOverlappingFramebuffers(VirtualFra
 			BlitUsingRaster(
 				src->fbo, 0.0f, 0.0f, src->renderWidth, src->renderHeight,
 				dest->fbo, 0.0f, 0.0f, src->renderWidth, src->renderHeight,
-				false, Get2DPipeline(shader), "565_to_depth");
+				false, dest->renderScaleFactor, Get2DPipeline(shader), "565_to_depth");
 		}
 	}
 
@@ -802,7 +805,7 @@ void FramebufferManagerCommon::CopyToColorFromOverlappingFramebuffers(VirtualFra
 				tookActions = true;
 				// OK we have the pipeline, now just do the blit.
 				BlitUsingRaster(src->fbo, 0.0f, 0.0f, srcWidth, srcHeight,
-					dst->fbo, dstX1, dstY1, dstX2, dstY2, false, pipeline, pass_name);
+					dst->fbo, dstX1, dstY1, dstX2, dstY2, false, dst->renderScaleFactor, pipeline, pass_name);
 			}
 		}
 	}
@@ -886,7 +889,7 @@ void FramebufferManagerCommon::BlitFramebufferDepth(VirtualFramebuffer *src, Vir
 		draw_->BlitFramebuffer(src->fbo, 0, 0, w, h, dst->fbo, 0, 0, w, h, Draw::FB_DEPTH_BIT, Draw::FB_BLIT_NEAREST, "BlitFramebufferDepth");
 		RebindFramebuffer("After BlitFramebufferDepth");
 	} else if (useRaster) {
-		BlitUsingRaster(src->fbo, 0, 0, w, h, dst->fbo, 0, 0, w, h, false, Get2DPipeline(Draw2DShader::DRAW2D_COPY_DEPTH), "BlitDepthRaster");
+		BlitUsingRaster(src->fbo, 0, 0, w, h, dst->fbo, 0, 0, w, h, false, dst->renderScaleFactor, Get2DPipeline(Draw2DShader::DRAW2D_COPY_DEPTH), "BlitDepthRaster");
 	}
 
 	draw_->InvalidateCachedState();
@@ -2784,10 +2787,10 @@ void FramebufferManagerCommon::BlitFramebuffer(VirtualFramebuffer *dst, int dstX
 		Draw::Framebuffer *srcFBO = src->fbo;
 		if (src == dst) {
 			Draw::Framebuffer *tempFBO = GetTempFBO(TempFBO::BLIT, src->renderWidth, src->renderHeight);
-			BlitUsingRaster(src->fbo, srcX1, srcY1, srcX2, srcY2, tempFBO, dstX1, dstY1, dstX2, dstY2, false, pipeline, tag);
+			BlitUsingRaster(src->fbo, srcX1, srcY1, srcX2, srcY2, tempFBO, dstX1, dstY1, dstX2, dstY2, false, dst->renderScaleFactor, pipeline, tag);
 			srcFBO = tempFBO;
 		}
-		BlitUsingRaster(srcFBO, srcX1, srcY1, srcX2, srcY2, dst->fbo, dstX1, dstY1, dstX2, dstY2, false, pipeline, tag);
+		BlitUsingRaster(srcFBO, srcX1, srcY1, srcX2, srcY2, dst->fbo, dstX1, dstY1, dstX2, dstY2, false, dst->renderScaleFactor, pipeline, tag);
 	}
 
 	draw_->InvalidateCachedState();
@@ -2800,6 +2803,7 @@ void FramebufferManagerCommon::BlitUsingRaster(
 	Draw::Framebuffer *src, float srcX1, float srcY1, float srcX2, float srcY2,
 	Draw::Framebuffer *dest, float destX1, float destY1, float destX2, float destY2,
 	bool linearFilter,
+	int scaleFactor,
 	Draw2DPipeline *pipeline, const char *tag) {
 
 	if (pipeline->info.writeChannel == RASTER_DEPTH) {
@@ -2825,7 +2829,7 @@ void FramebufferManagerCommon::BlitUsingRaster(
 	draw_->SetViewports(1, &vp);
 	draw_->SetScissorRect(0, 0, (int)dest->Width(), (int)dest->Height());
 
-	draw2D_.Blit(pipeline, srcX1, srcY1, srcX2, srcY2, destX1, destY1, destX2, destY2, (float)srcW, (float)srcH, (float)destW, (float)destH, linearFilter , renderScaleFactor_);
+	draw2D_.Blit(pipeline, srcX1, srcY1, srcX2, srcY2, destX1, destY1, destX2, destY2, (float)srcW, (float)srcH, (float)destW, (float)destH, linearFilter, scaleFactor);
 
 	gstate_c.Dirty(DIRTY_BLEND_STATE | DIRTY_DEPTHSTENCIL_STATE | DIRTY_RASTER_STATE | DIRTY_VIEWPORTSCISSOR_STATE | DIRTY_VERTEXSHADER_STATE | DIRTY_FRAGMENTSHADER_STATE);
 }
diff --git a/GPU/Common/FramebufferManagerCommon.h b/GPU/Common/FramebufferManagerCommon.h
index f78e52d13e..e4e2b86cf6 100644
--- a/GPU/Common/FramebufferManagerCommon.h
+++ b/GPU/Common/FramebufferManagerCommon.h
@@ -441,7 +441,10 @@ protected:
 
 	void BlitUsingRaster(
 		Draw::Framebuffer *src, float srcX1, float srcY1, float srcX2, float srcY2,
-		Draw::Framebuffer *dest, float destX1, float destY1, float destX2, float destY2, bool linearFilter, Draw2DPipeline *pipeline, const char *tag);
+		Draw::Framebuffer *dest, float destX1, float destY1, float destX2, float destY2,
+		bool linearFilter,
+		int scaleFactor,  // usually unused, except for swizzle...
+		Draw2DPipeline *pipeline, const char *tag);
 
 	void CopyFramebufferForColorTexture(VirtualFramebuffer *dst, VirtualFramebuffer *src, int flags);
 
diff --git a/GPU/Common/TextureCacheCommon.cpp b/GPU/Common/TextureCacheCommon.cpp
index 599c39c9db..87c866fa93 100644
--- a/GPU/Common/TextureCacheCommon.cpp
+++ b/GPU/Common/TextureCacheCommon.cpp
@@ -2348,6 +2348,12 @@ bool TextureCacheCommon::PrepareBuildTexture(BuildTexturePlan &plan, TexCacheEnt
 		plan.scaleFactor = 1;
 	}
 
+	if (PSP_CoreParameter().compat.flags().ForceLowerResolutionForEffectsOn && gstate.FrameBufStride() < 0x1E0) {
+		// A bit of an esoteric workaround - force off upscaling for static textures that participate directly in small-resolution framebuffer effects.
+		// This fixes the water in Outrun/DiRT 2 with upscaling enabled.
+		plan.scaleFactor = 1;
+	}
+
 	if ((entry->status & TexCacheEntry::STATUS_CHANGE_FREQUENT) != 0 && plan.scaleFactor != 1 && plan.slowScaler) {
 		// Remember for later that we /wanted/ to scale this texture.
 		entry->status |= TexCacheEntry::STATUS_TO_SCALE;
diff --git a/assets/compat.ini b/assets/compat.ini
index 4a6dbc6caa..d94f8534ca 100644
--- a/assets/compat.ini
+++ b/assets/compat.ini
@@ -1269,3 +1269,17 @@ UCUS98646 = true
 UCET00278 = true
 UCUS98670 = true
 UCUS98646 = true
+
+[ForceLowerResolutionForEffectsOn]
+# The water effect of DiRT 2 and Outrun doesn't work in higher resolutions.
+
+# Colin McRae's DiRT 2 - issue #13012 (water)
+ULUS10471 = true
+ULJM05533 = true
+NPJH50006 = true
+ULES01301 = true
+
+# Outrun 2006: Coast to Coast - issue #11358 (car reflections), #11928 (water)
+ULES00262 = true
+ULUS10064 = true
+ULKS46087 = true