- fixed code that deternines when to upscale a texture.

This was very much non-functional.

src/common/textures/gametexture.h

@@ -241,10 +241,6 @@ public:
 		DisplayHeight = h;
 		ScaleX = TexelWidth / w;
 		ScaleY = TexelHeight / h;
-		if (shouldUpscaleFlag < 2)
-		{
-			shouldUpscaleFlag = ScaleX < 2 && ScaleY < 2;
-		}
 
 		// compensate for roundoff errors
 		if (int(ScaleX * w) != TexelWidth) ScaleX += (1 / 65536.);
@@ -271,10 +267,6 @@ public:
 	{
 		ScaleX = x;
 		ScaleY = y;
-		if (shouldUpscaleFlag < 2)
-		{
-			shouldUpscaleFlag = ScaleX < 2 && ScaleY < 2;
-		}
 		DisplayWidth = TexelWidth / x;
 		DisplayHeight = TexelHeight / y;
 	}
@@ -374,7 +366,7 @@ enum EUpscaleFlags
 extern int upscalemask;
 void UpdateUpscaleMask();
 
-int calcShouldUpscale(FGameTexture* tex);
+void calcShouldUpscale(FGameTexture* tex);
 inline int shouldUpscale(FGameTexture* tex, EUpscaleFlags UseType)
 {
 	// This only checks the global scale mask and the texture's validation for upscaling. Everything else has been done up front elsewhere.

src/common/textures/hires/hqresize.cpp

@@ -502,20 +502,21 @@ void FTexture::CreateUpsampledTextureBuffer(FTextureBuffer &texbuffer, bool hasA
 //
 //===========================================================================
 
-int calcShouldUpscale(FGameTexture *tex)
+void calcShouldUpscale(FGameTexture *tex)
 {
+	tex->SetUpscaleFlag(0);
 	// [BB] Don't resample if width * height of the input texture is bigger than gl_texture_hqresize_maxinputsize squared.
 	const int maxInputSize = gl_texture_hqresize_maxinputsize;
 	if (tex->GetTexelWidth() * tex->GetTexelHeight() > maxInputSize * maxInputSize)
-		return 0;
+		return;
 
 	// [BB] Don't try to upsample textures based off FCanvasTexture. (This should never get here in the first place!)
 	if (tex->isHardwareCanvas())
-		return 0;
+		return;
 
 	// already scaled?
 	if (tex->GetScaleX() >= 2.f || tex->GetScaleY() > 2.f)
-		return 0;
+		return;
 
-	return CTF_Upscale;
+	tex->SetUpscaleFlag(1);
 }

src/common/textures/texturemanager.cpp

@@ -106,7 +106,7 @@ void FTextureManager::DeleteAll()
 // This must not, under any circumstances, delete the wipe textures, because
 // all CCMDs triggering a flush can be executed while a wipe is in progress
 //
-// This now also deletes the software textures because having the software
+// This now also deletes the software textures because the software
 // renderer can also use the texture scalers and that is the
 // main reason to call this outside of the destruction code.
 //
@@ -120,8 +120,8 @@ void FTextureManager::FlushAll()
 		{
 			Textures[i].Texture->CleanHardwareData();
 			delete Textures[i].Texture->GetSoftwareTexture();
-			Textures[i].Texture->SetSoftwareTexture(nullptr);
 			calcShouldUpscale(Textures[i].Texture);
+			Textures[i].Texture->SetSoftwareTexture(nullptr);
 		}
 	}
 }

src/rendering/swrenderer/r_swrenderer.cpp

@@ -241,6 +241,7 @@ void FSoftwareRenderer::RenderTextureView (FCanvasTexture *camtex, AActor *viewp
 	cameraViewwindow = r_viewwindow;
 
 	auto tex = GetSWCamTex(camtex);
+	if (!tex) return;
 	
 	DCanvas *Canvas = renderTarget->IsBgra() ? tex->GetCanvasBgra() : tex->GetCanvas();
 

src/rendering/swrenderer/textures/r_swtexture.cpp

@@ -68,11 +68,10 @@ FSoftwareTexture::FSoftwareTexture(FGameTexture *tex)
 	mSource = tex->GetTexture();
 
 	mBufferFlags = CTF_ProcessData;
-	auto f = mBufferFlags;
 
-	if (shouldUpscale(tex, scaleFlagFromUseType(tex->GetUseType()))) f |= CTF_Upscale;
+	if (shouldUpscale(tex, scaleFlagFromUseType(tex->GetUseType()))) mBufferFlags |= CTF_Upscale;
 	// calculate the real size after running the scaler.
-	auto info = mSource->CreateTexBuffer(0, CTF_CheckOnly| f);
+	auto info = mSource->CreateTexBuffer(0, CTF_CheckOnly| mBufferFlags);
 	mPhysicalWidth = info.mWidth;
 	mPhysicalHeight = info.mHeight; 
 	mPhysicalScale = tex->GetTexelWidth() > 0 ? mPhysicalWidth / tex->GetTexelWidth() : mPhysicalWidth;
@@ -130,7 +129,7 @@ const uint8_t *FSoftwareTexture::GetPixels(int style)
 		}
 		else
 		{
-			auto f = mBufferFlags | CTF_Upscale;
+			auto f = mBufferFlags;
 			auto tempbuffer = mSource->CreateTexBuffer(0, f);
 			Pixels.Resize(GetPhysicalWidth()*GetPhysicalHeight());
 			PalEntry *pe = (PalEntry*)tempbuffer.mBuffer;
@@ -176,7 +175,7 @@ const uint32_t *FSoftwareTexture::GetPixelsBgra()
 		}
 		else
 		{
-			auto tempbuffer = mSource->CreateTexBuffer(0, mBufferFlags | CTF_Upscale);
+			auto tempbuffer = mSource->CreateTexBuffer(0, mBufferFlags);
 			CreatePixelsBgraWithMipmaps();
 			PalEntry *pe = (PalEntry*)tempbuffer.mBuffer;
 			for (int y = 0; y < GetPhysicalHeight(); y++)