- cache the upscaling check's result in the texture, as this will be queried quite frequently.

src/common/textures/hires/hqresize.cpp

@@ -405,6 +405,7 @@ static void xbrzOldScale(size_t factor, const uint32_t* src, uint32_t* trg, int
 //  the upsampled buffer.
 //
 //===========================================================================
+
 void FTexture::CreateUpsampledTextureBuffer(FTextureBuffer &texbuffer, bool hasAlpha, bool checkonly)
 {
 	// [BB] Make sure that inWidth and inHeight denote the size of
@@ -482,8 +483,17 @@ void FTexture::CreateUpsampledTextureBuffer(FTextureBuffer &texbuffer, bool hasA
 	texbuffer.mContentId = contentId.id;
 }
 
-bool shouldUpscale(FGameTexture *tex, ETextureType UseType)
+//===========================================================================
+// 
+// This was pulled out of the above function to allow running these
+// checks before the texture is passed to the render state.
+//
+//===========================================================================
+
+bool calcShouldUpscale(FGameTexture *tex, ETextureType UseType)
 {
+	if (gl_texture_hqresizemode == 0 || gl_texture_hqresizemult == 1) return false;
+
 	// [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)

src/common/textures/textures.h

@@ -632,10 +632,14 @@ public:
 class FGameTexture
 {
 	FTexture *wrapped;
+	int8_t shouldUpscaleFlag = -1;
 public:
 	FGameTexture(FTexture* wrap) : wrapped(wrap) {}
 	~FGameTexture();
 
+	void SetUpscaleFlag(int what) { shouldUpscaleFlag = what; }
+	int GetUpscaleFlag() { return shouldUpscaleFlag; }
+
 	FTexture* GetTexture() { return wrapped; }
 	int GetSourceLump() const { return wrapped->GetSourceLump(); }
 	void SetBrightmap(FGameTexture* tex) { wrapped->Brightmap = tex->GetTexture(); }
@@ -755,7 +759,16 @@ inline FGameTexture* MakeGameTexture(FTexture* tex)
 	return new FGameTexture(tex);
 }
 
-bool shouldUpscale(FGameTexture* tex, ETextureType UseType);
+bool calcShouldUpscale(FGameTexture* tex, ETextureType UseType);
+inline bool shouldUpscale(FGameTexture* tex, ETextureType UseType)
+{
+	auto f = tex->GetUpscaleFlag();
+	// Cache this value in the texture to save time because it is very frequently polled.
+	if (f != -1) return f;
+	auto res = calcShouldUpscale(tex, UseType);
+	tex->SetUpscaleFlag(res);
+	return res;
+}
 
 #endif