From 29344006a0f912fa06f976d1ad58ac2b526e3170 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Mon, 25 May 2020 20:41:47 +0200
Subject: [PATCH] - fixed: texture upscaling was disabled by default.

It should only be disabled if the scale of a texture is greater than 2.
---
 src/common/textures/gametexture.cpp |  2 +-
 src/common/textures/gametexture.h   | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/common/textures/gametexture.cpp b/src/common/textures/gametexture.cpp
index 1ec6a60627..caf5d43573 100644
--- a/src/common/textures/gametexture.cpp
+++ b/src/common/textures/gametexture.cpp
@@ -430,7 +430,7 @@ CUSTOM_CVAR(Int, r_spriteadjust, 2, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 
 float FTexCoordInfo::RowOffset(float rowoffset) const
 {
-	float scale = fabs(mScale.Y);
+	float scale = fabsf(mScale.Y);
 	if (scale == 1.f || mWorldPanning) return rowoffset;
 	else return rowoffset / scale;
 }
diff --git a/src/common/textures/gametexture.h b/src/common/textures/gametexture.h
index 31864f9eba..7b4c461746 100644
--- a/src/common/textures/gametexture.h
+++ b/src/common/textures/gametexture.h
@@ -84,7 +84,7 @@ class FGameTexture
 	float DisplayWidth, DisplayHeight;
 	float ScaleX, ScaleY;
 
-	int8_t shouldUpscaleFlag = 0;				// Without explicit setup, scaling is disabled for a texture.
+	int8_t shouldUpscaleFlag = 1;
 	ETextureType UseType = ETextureType::Wall;	// This texture's primary purpose
 	SpritePositioningInfo* spi = nullptr;
 
@@ -131,7 +131,7 @@ public:
 
 	ETextureType GetUseType() const { return UseType; }
 	void SetUpscaleFlag(int what) { shouldUpscaleFlag = what; }
-	int GetUpscaleFlag() { return shouldUpscaleFlag; }
+	int GetUpscaleFlag() { return shouldUpscaleFlag == 1; }
 
 	FTexture* GetTexture() { return Base.get(); }
 	int GetSourceLump() const { return Base->GetSourceLump(); }
@@ -234,6 +234,10 @@ 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.);
@@ -253,6 +257,10 @@ public:
 	{
 		ScaleX = x;
 		ScaleY = y;
+		if (shouldUpscaleFlag < 2)
+		{
+			shouldUpscaleFlag = ScaleX < 2 && ScaleY < 2;
+		}
 		DisplayWidth = TexelWidth / x;
 		DisplayHeight = TexelHeight / y;
 	}