From 0ae371f3ce454e712fd8310d75d787737d46bf79 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sun, 1 Apr 2018 16:32:37 +0200
Subject: [PATCH] - moved gl_use_hires check back into material class and
 cleaned up the interface a bit.

The function is supposed to be a worker, nothing more and its result should only depend on its arguments.
---
 src/gl/textures/gl_material.cpp | 19 +++++++++----------
 src/gl/textures/gl_material.h   |  5 +----
 src/textures/texture.cpp        |  4 +---
 3 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/src/gl/textures/gl_material.cpp b/src/gl/textures/gl_material.cpp
index 5e32f855d..c5d64a4ef 100644
--- a/src/gl/textures/gl_material.cpp
+++ b/src/gl/textures/gl_material.cpp
@@ -50,6 +50,7 @@
 EXTERN_CVAR(Bool, gl_render_precise)
 EXTERN_CVAR(Int, gl_lightmode)
 EXTERN_CVAR(Bool, gl_precache)
+EXTERN_CVAR(Bool, gl_texture_usehires)
 
 //===========================================================================
 //
@@ -141,7 +142,7 @@ FHardwareTexture *FGLTexture::CreateHwTexture()
 //
 //===========================================================================
 
-const FHardwareTexture *FGLTexture::Bind(int texunit, int clampmode, int translation, FTexture *hirescheck)
+const FHardwareTexture *FGLTexture::Bind(int texunit, int clampmode, int translation, int flags)
 {
 	int usebright = false;
 
@@ -179,11 +180,7 @@ const FHardwareTexture *FGLTexture::Bind(int texunit, int clampmode, int transla
 			
 			if (!tex->bHasCanvas)
 			{
-				int flags = CTF_ProcessData;
-				if (bExpandFlag) flags |= CTF_Expand;
-				if (hirescheck) flags |= CTF_CheckHires;
-
-				buffer = tex->CreateTexBuffer(translation, w, h, flags);
+				buffer = tex->CreateTexBuffer(translation, w, h, flags | CTF_ProcessData);
 				if (tex->bWarped && gl.legacyMode && w*h <= 256*256)	// do not software-warp larger textures, especially on the old systems that still need this fallback.
 				{
 					// need to do software warping
@@ -486,8 +483,8 @@ void FMaterial::SetSpriteRect()
 
 //===========================================================================
 // 
-//	Finds gaps in the texture which can be skipped by the renderer
-//  This was mainly added to speed up one area in E4M6 of 007LTSD
+//  Finds empty space around the texture. 
+//  Used for sprites that got placed into a huge empty frame.
 //
 //===========================================================================
 
@@ -607,12 +604,14 @@ void FMaterial::Bind(int clampmode, int translation)
 
 	int usebright = false;
 	int maxbound = 0;
-	bool allowhires = tex->Scale.X == 1 && tex->Scale.Y == 1 && clampmode <= CLAMP_XY && !mExpanded;
 
 	if (tex->bHasCanvas) clampmode = CLAMP_CAMTEX;
 	else if (tex->bWarped && clampmode <= CLAMP_XY) clampmode = CLAMP_NONE;
 
-	const FHardwareTexture *gltexture = mBaseLayer->Bind(0, clampmode, translation, allowhires? tex:NULL);
+	// Textures that are already scaled in the texture lump will not get replaced by hires textures.
+	int flags = mExpanded? CTF_Expand : (gl_texture_usehires && tex->Scale.X == 1 && tex->Scale.Y == 1 && clampmode <= CLAMP_XY)? CTF_CheckHires : 0;
+
+	const FHardwareTexture *gltexture = mBaseLayer->Bind(0, clampmode, translation, flags);
 	if (gltexture != NULL)
 	{
 		for(unsigned i=0;i<mTextureLayers.Size();i++)
diff --git a/src/gl/textures/gl_material.h b/src/gl/textures/gl_material.h
index 9b6647a02..04bef6031 100644
--- a/src/gl/textures/gl_material.h
+++ b/src/gl/textures/gl_material.h
@@ -59,13 +59,12 @@ public:
 private:
 	FHardwareTexture *mHwTexture;
 
-	bool bExpandFlag;
 	uint8_t lastSampler;
 	int lastTranslation;
 
 	FHardwareTexture *CreateHwTexture();
 
-	const FHardwareTexture *Bind(int texunit, int clamp, int translation, FTexture *hirescheck);
+	const FHardwareTexture *Bind(int texunit, int clamp, int translation, int flags);
 	
 public:
 	FGLTexture(FTexture * tx, bool expandpatches);
@@ -73,8 +72,6 @@ public:
 
 	void Clean(bool all);
 	void CleanUnused(SpriteHits &usedtranslations);
-	int Dump(int i);
-
 };
 
 //===========================================================================
diff --git a/src/textures/texture.cpp b/src/textures/texture.cpp
index 59d28e489..8a8d00449 100644
--- a/src/textures/texture.cpp
+++ b/src/textures/texture.cpp
@@ -59,8 +59,6 @@ CUSTOM_CVAR(Int, r_spriteadjust, 2, CVAR_ARCHIVE | CVAR_GLOBALCONFIG)
 	TexMan.SpriteAdjustChanged();
 }
 
-EXTERN_CVAR(Bool, gl_texture_usehires)
-
 //==========================================================================
 //
 // 
@@ -1357,7 +1355,7 @@ unsigned char * FTexture::CreateTexBuffer(int translation, int & w, int & h, int
 
 	// Textures that are already scaled in the texture lump will not get replaced
 	// by hires textures
-	if (gl_texture_usehires && (flags & CTF_CheckHires) && translation != STRange_AlphaTexture)
+	if ((flags & CTF_CheckHires) && translation != STRange_AlphaTexture)
 	{
 		buffer = LoadHiresTexture(&w, &h);
 		if (buffer)