- moved the hires replacement and upscaling code out of the GL classes into FTexture.

This theoretically means that the software renderer could access this data as well - if it just had been written with a more flexible texture interface.
However, as things stand, this may require quite a bit of work to achieve.

src/CMakeLists.txt

@@ -572,17 +572,17 @@ if( HAVE_MMX )
 	add_definitions( -DHAVE_MMX=1 )
 
 	set( SYSTEM_SOURCES ${SYSTEM_SOURCES}
-		gl/hqnx_asm/hq2x_asm.cpp
-		gl/hqnx_asm/hq3x_asm.cpp
-		gl/hqnx_asm/hq4x_asm.cpp
-		gl/hqnx_asm/hqnx_asm_Image.cpp)
+		textures/hires/hqnx_asm/hq2x_asm.cpp
+		textures/hires/hqnx_asm/hq3x_asm.cpp
+		textures/hires/hqnx_asm/hq4x_asm.cpp
+		textures/hires/hqnx_asm/hqnx_asm_Image.cpp)
 
 	if( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
 		set_source_files_properties(
-			gl/hqnx_asm/hq2x_asm.cpp
-			gl/hqnx_asm/hq3x_asm.cpp
-			gl/hqnx_asm/hq4x_asm.cpp
-			gl/textures/gl_hqresize.cpp
+			textures/hires/hqnx_asm/hq2x_asm.cpp
+			textures/hires/hqnx_asm/hq3x_asm.cpp
+			textures/hires/hqnx_asm/hq4x_asm.cpp
+			textures/hires/gl_hqresize.cpp
 			PROPERTIES COMPILE_FLAGS "-mmmx" )
 	endif( ZD_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
 endif( HAVE_MMX )
@@ -687,6 +687,9 @@ file( GLOB HEADER_FILES
 	sfmt/*.h
 	sound/*.h
 	textures/*.h
+	textures/hires/hqnx/*.h
+	textures/hires/hqnx_asm/*.h
+	textures/hires/xbr/*.h
 	scripting/*.h
 	scripting/backend/*.h
 	scripting/decorate/*.h
@@ -716,9 +719,6 @@ file( GLOB HEADER_FILES
 	gl/api/*.h
 	gl/data/*.h
 	gl/dynlights/*.h
-	gl/hqnx/*.h
-	gl/hqnx_asm/*.h
-	gl/xbr/*.h
 	gl/models/*.h
 	gl/renderer/*.h
 	gl/scene/*.h
@@ -833,12 +833,12 @@ set( FASTMATH_SOURCES
 	sound/timiditypp/fft4g.cpp
 	sound/timiditypp/reverb.cpp
 	gl/utility/gl_clock.cpp
-	gl/hqnx/init.cpp
-	gl/hqnx/hq2x.cpp
-	gl/hqnx/hq3x.cpp
-	gl/hqnx/hq4x.cpp
-	gl/xbr/xbrz.cpp
-	gl/xbr/xbrz_old.cpp
+	textures/hires/hqnx/init.cpp
+	textures/hires/hqnx/hq2x.cpp
+	textures/hires/hqnx/hq3x.cpp
+	textures/hires/hqnx/hq4x.cpp
+	textures/hires/xbr/xbrz.cpp
+	textures/hires/xbr/xbrz_old.cpp
 	gl/scene/gl_bsp.cpp
 	gl/scene/gl_fakeflat.cpp
 	gl/scene/gl_clipper.cpp
@@ -1087,9 +1087,7 @@ set (PCH_SOURCES
 	gl/textures/gl_hwtexture.cpp
 	gl/textures/gl_texture.cpp
 	gl/textures/gl_material.cpp
-	gl/textures/gl_hirestex.cpp
 	gl/textures/gl_samplers.cpp
-	gl/textures/gl_hqresize.cpp
 	menu/joystickmenu.cpp
 	menu/loadsavemenu.cpp
 	menu/menu.cpp
@@ -1134,6 +1132,8 @@ set (PCH_SOURCES
 	textures/formats/tgatexture.cpp
 	textures/formats/worldtexture.cpp
 	textures/formats/warptexture.cpp
+	textures/hires/hqresize.cpp
+	textures/hires/hirestex.cpp
 	xlat/parse_xlat.cpp
 	fragglescript/t_func.cpp
 	fragglescript/t_load.cpp
@@ -1414,9 +1414,6 @@ source_group("Menu" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/menu/.+")
 source_group("OpenGL Renderer" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/.+")
 source_group("OpenGL Renderer\\Data" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/data/.+")
 source_group("OpenGL Renderer\\Dynamic Lights" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/dynlights/.+")
-source_group("OpenGL Renderer\\HQ Resize" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/hqnx/.+")
-source_group("OpenGL Renderer\\HQ Resize MMX version" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/hqnx_asm/.+")
-source_group("OpenGL Renderer\\XBRZ" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/hqnx_asm/.+")
 source_group("OpenGL Renderer\\Models" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/models/.+")
 source_group("OpenGL Renderer\\Renderer" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/renderer/.+")
 source_group("OpenGL Renderer\\Scene" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/gl/scene/.+")
@@ -1438,8 +1435,12 @@ source_group("Poly Renderer\\Math" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_D
 source_group("Poly Renderer\\Drawers" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/polyrenderer/drawers/.+")
 source_group("Poly Renderer\\Scene" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/polyrenderer/scene/.+")
 source_group("Render Data" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/r_data/.+")
-source_group("Render Data\\Textures\\Formats" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/formats/.+")
 source_group("Render Data\\Textures" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/.+")
+source_group("Render Data\\Textures\\Hires" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/hires/.+")
+source_group("Render Data\\Textures\\Hires\\HQ Resize" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/hires/hqnx/.+")
+source_group("Render Data\\Textures\\Hires\\HQ Resize MMX version" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/hires/hqnx_asm/.+")
+source_group("Render Data\\Textures\\Hires\\XBRZ" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/hires/xbr/.+")
+source_group("Render Data\\Textures\\Formats" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/textures/formats/.+")
 source_group("Render Data\\Models" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/r_data/models/.+")
 source_group("Render Interface" FILES r_defs.h r_renderer.h r_sky.cpp r_sky.h r_state.h r_utility.cpp r_utility.h)
 source_group("Resource Files" REGULAR_EXPRESSION "^${CMAKE_CURRENT_SOURCE_DIR}/resourcefiles/.+")

src/gl/renderer/gl_renderer.cpp

@@ -63,7 +63,6 @@
 #include "gl/shaders/gl_shadowmapshader.h"
 #include "gl/shaders/gl_postprocessshader.h"
 #include "gl/stereo3d/gl_stereo3d.h"
-#include "gl/textures/gl_texture.h"
 #include "gl/textures/gl_material.h"
 #include "gl/textures/gl_samplers.h"
 #include "gl/utility/gl_clock.h"

src/gl/scene/gl_decal.cpp

@@ -40,7 +40,6 @@
 #include "gl/scene/gl_drawinfo.h"
 #include "gl/scene/gl_scenedrawer.h"
 #include "gl/shaders/gl_shader.h"
-#include "gl/textures/gl_texture.h"
 #include "gl/textures/gl_material.h"
 #include "gl/utility/gl_clock.h"
 #include "gl/renderer/gl_quaddrawer.h"

src/gl/scene/gl_skydome.cpp

@@ -72,7 +72,6 @@
 #include "gl/scene/gl_scenedrawer.h"
 #include "gl/scene/gl_portal.h"
 #include "gl/shaders/gl_shader.h"
-#include "gl/textures/gl_texture.h"
 #include "gl/textures/gl_material.h"
 
 

src/gl/system/gl_framebuffer.cpp

@@ -44,7 +44,6 @@
 #include "gl/renderer/gl_lightdata.h"
 #include "gl/data/gl_data.h"
 #include "gl/textures/gl_hwtexture.h"
-#include "gl/textures/gl_texture.h"
 #include "gl/utility/gl_clock.h"
 #include "gl/utility/gl_templates.h"
 #include "gl/gl_functions.h"

src/gl/textures/gl_material.cpp

@@ -43,7 +43,6 @@
 #include "gl/renderer/gl_lightdata.h"
 #include "gl/renderer/gl_renderer.h"
 #include "gl/data/gl_data.h"
-#include "gl/textures/gl_texture.h"
 #include "gl/textures/gl_material.h"
 #include "gl/textures/gl_samplers.h"
 #include "gl/shaders/gl_shader.h"
@@ -70,10 +69,6 @@ FGLTexture::FGLTexture(FTexture * tx, bool expandpatches)
 	tex = tx;
 
 	mHwTexture = NULL;
-	HiresLump = -1;
-	hirestexture = NULL;
-	bHasColorkey = false;
-	bIsTransparent = -1;
 	bExpandFlag = expandpatches;
 	lastSampler = 254;
 	lastTranslation = -1;
@@ -89,58 +84,6 @@ FGLTexture::FGLTexture(FTexture * tx, bool expandpatches)
 FGLTexture::~FGLTexture()
 {
 	Clean(true);
-	if (hirestexture) delete hirestexture;
-}
-
-//==========================================================================
-//
-// Checks for the presence of a hires texture replacement and loads it
-//
-//==========================================================================
-unsigned char *FGLTexture::LoadHiresTexture(FTexture *tex, int *width, int *height)
-{
-	if (bExpandFlag) return NULL;	// doesn't work for expanded textures
-
-	if (HiresLump==-1) 
-	{
-		bHasColorkey = false;
-		HiresLump = CheckDDPK3(tex);
-		if (HiresLump < 0) HiresLump = CheckExternalFile(tex, bHasColorkey);
-
-		if (HiresLump >=0) 
-		{
-			hirestexture = FTexture::CreateTexture(HiresLump, ETextureType::Any);
-		}
-	}
-	if (hirestexture != NULL)
-	{
-		int w=hirestexture->GetWidth();
-		int h=hirestexture->GetHeight();
-
-		unsigned char * buffer=new unsigned char[w*(h+1)*4];
-		memset(buffer, 0, w * (h+1) * 4);
-
-		FBitmap bmp(buffer, w*4, w, h);
-		
-		int trans = hirestexture->CopyTrueColorPixels(&bmp, 0, 0);
-		hirestexture->CheckTrans(buffer, w*h, trans);
-		bIsTransparent = hirestexture->gl_info.mIsTransparent;
-
-		if (bHasColorkey)
-		{
-			// This is a crappy Doomsday color keyed image
-			// We have to remove the key manually. :(
-			uint32_t * dwdata=(uint32_t*)buffer;
-			for (int i=(w*h);i>0;i--)
-			{
-				if (dwdata[i]==0xffffff00 || dwdata[i]==0xffff00ff) dwdata[i]=0;
-			}
-		}
-		*width = w;
-		*height = h;
-		return buffer;
-	}
-	return NULL;
 }
 
 //===========================================================================
@@ -194,7 +137,7 @@ unsigned char * FGLTexture::CreateTexBuffer(int translation, int & w, int & h, F
 	// by hires textures
 	if (gl_texture_usehires && hirescheck != NULL && !alphatrans)
 	{
-		buffer = LoadHiresTexture (hirescheck, &w, &h);
+		buffer = hirescheck->LoadHiresTexture (&w, &h);
 		if (buffer)
 		{
 			return buffer;
@@ -227,8 +170,7 @@ unsigned char * FGLTexture::CreateTexBuffer(int translation, int & w, int & h, F
 
 		int trans = tex->CopyTrueColorPixels(&bmp, exx, exx, 0, translation >= STRange_Min? &inf : nullptr);
 		tex->CheckTrans(buffer, W*H, trans);
-		isTransparent = tex->gl_info.mIsTransparent;
-		if (bIsTransparent == -1) bIsTransparent = isTransparent;
+		isTransparent = tex->bTranslucent;
 		// alpha texture for legacy mode
 		if (alphatrans)
 		{
@@ -259,7 +201,7 @@ unsigned char * FGLTexture::CreateTexBuffer(int translation, int & w, int & h, F
 
 	// [BB] The hqnx upsampling (not the scaleN one) destroys partial transparency, don't upsamle textures using it.
 	// [BB] Potentially upsample the buffer.
-	return gl_CreateUpsampledTextureBuffer ( tex, buffer, W, H, w, h, !!isTransparent);
+	return tex->CreateUpsampledTextureBuffer (buffer, W, H, w, h, !!isTransparent);
 }
 
 
@@ -553,7 +495,7 @@ FMaterial::FMaterial(FTexture * tx, bool expanded)
 	mMaxBound = -1;
 	mMaterials.Push(this);
 	tx->gl_info.Material[expanded] = this;
-	if (tx->bHasCanvas) tx->gl_info.mIsTransparent = 0;
+	if (tx->bHasCanvas) tx->bTranslucent = 0;
 }
 
 //===========================================================================

src/gl/textures/gl_material.h

@@ -62,20 +62,14 @@ class FGLTexture
 	friend class FMaterial;
 public:
 	FTexture * tex;
-	FTexture * hirestexture;
-	int8_t bIsTransparent;
-	int HiresLump;
 
 private:
 	FHardwareTexture *mHwTexture;
 
-	bool bHasColorkey;		// only for hires
 	bool bExpandFlag;
 	uint8_t lastSampler;
 	int lastTranslation;
 
-	unsigned char * LoadHiresTexture(FTexture *hirescheck, int *width, int *height);
-
 	FHardwareTexture *CreateHwTexture();
 
 	const FHardwareTexture *Bind(int texunit, int clamp, int translation, FTexture *hirescheck);
@@ -222,7 +216,7 @@ public:
 
 	bool GetTransparent() const
 	{
-		if (mBaseLayer->bIsTransparent == -1) 
+		if (tex->bTranslucent == -1) 
 		{
 			if (!mBaseLayer->tex->bHasCanvas)
 			{
@@ -232,10 +226,10 @@ public:
 			}
 			else
 			{
-				mBaseLayer->bIsTransparent = 0;
+				tex->bTranslucent = 0;
 			}
 		}
-		return !!mBaseLayer->bIsTransparent;
+		return !!tex->bTranslucent;
 	}
 
 	static void DeleteAll();

src/gl/textures/gl_texture.cpp

@@ -43,7 +43,6 @@
 
 #include "gl/system/gl_interface.h"
 #include "gl/renderer/gl_renderer.h"
-#include "gl/textures/gl_texture.h"
 #include "gl/textures/gl_material.h"
 #include "gl/textures/gl_samplers.h"
 #include "gl/models/gl_models.h"

src/gl/textures/gl_texture.h

@@ -4,9 +4,6 @@
 #include "r_defs.h"
 #include "textures/textures.h"
 
-unsigned char *gl_CreateUpsampledTextureBuffer ( const FTexture *inputTexture, unsigned char *inputBuffer, const int inWidth, const int inHeight, int &outWidth, int &outHeight, bool hasAlpha );
-int CheckDDPK3(FTexture *tex);
-int CheckExternalFile(FTexture *tex, bool & hascolorkey);
 
 #endif	// __GL_HQRESIZE_H__
 

src/textures/hires/hirestex.cpp

@@ -20,19 +20,10 @@
 //--------------------------------------------------------------------------
 //
 /*
-** Hires texture management
+** external hires texture management (i.e. Doomsday style texture packs)
 **
 */
 
-#ifdef _MSC_VER
-#define    F_OK    0    /* Check for file existence */
-#define    W_OK    2    /* Check for write permission */
-#define    R_OK    4    /* Check for read permission */
-#include <io.h>
-#else
-#include <unistd.h>
-#endif
-
 #include "w_wad.h"
 #include "m_png.h"
 #include "sbar.h"
@@ -42,12 +33,9 @@
 #include "doomstat.h"
 #include "d_main.h"
 #include "zstring.h"
+#include "bitmap.h"
 #include "textures.h"
 
-#ifndef _WIN32
-#define _access(a,b)	access(a,b)
-#endif
-
 static int Doom2Wad = -1;
 
 // quick'n dirty hack. Should be enough here...
@@ -67,7 +55,7 @@ static void SetDoom2Wad()
 // Checks for the presence of a hires texture replacement in a Doomsday style PK3
 //
 //==========================================================================
-int CheckDDPK3(FTexture *tex)
+int FTexture::CheckDDPK3()
 {
 	static const char * doom1texpath[]= {
 		"data/jdoom/textures/doom/%s.%s", "data/jdoom/textures/doom-ult/%s.%s", "data/jdoom/textures/doom1/%s.%s", "data/jdoom/textures/%s.%s", NULL };
@@ -111,7 +99,7 @@ int CheckDDPK3(FTexture *tex)
 
 	FString checkName;
 	const char ** checklist;
-	ETextureType useType=tex->UseType;
+	ETextureType useType=UseType;
 
 	if (useType==ETextureType::SkinSprite || useType==ETextureType::Decal || useType==ETextureType::FontChar)
 	{
@@ -165,7 +153,7 @@ int CheckDDPK3(FTexture *tex)
 
 		for (const char ** extp=extensions; *extp; extp++)
 		{
-			checkName.Format(*checklist, tex->Name.GetChars(), *extp);
+			checkName.Format(*checklist, Name.GetChars(), *extp);
 			int lumpnum = Wads.CheckNumForFullName(checkName);
 			if (lumpnum >= 0) return lumpnum;
 		}
@@ -180,7 +168,7 @@ int CheckDDPK3(FTexture *tex)
 // Checks for the presence of a hires texture replacement
 //
 //==========================================================================
-int CheckExternalFile(FTexture *tex, bool & hascolorkey)
+int FTexture::CheckExternalFile(bool & hascolorkey)
 {
 	static const char * doom1texpath[]= {
 		"%stextures/doom/doom1/%s.%s", "%stextures/doom/doom1/%s-ck.%s", 
@@ -292,7 +280,7 @@ int CheckExternalFile(FTexture *tex, bool & hascolorkey)
 
 	FString checkName;
 	const char ** checklist;
-	ETextureType useType = tex->UseType;
+	ETextureType useType = UseType;
 
 	if (useType == ETextureType::SkinSprite || useType == ETextureType::Decal || useType == ETextureType::FontChar)
 	{
@@ -346,7 +334,7 @@ int CheckExternalFile(FTexture *tex, bool & hascolorkey)
 
 		for (const char ** extp=extensions; *extp; extp++)
 		{
-			checkName.Format(*checklist, progdir.GetChars(), tex->Name.GetChars(), *extp);
+			checkName.Format(*checklist, progdir.GetChars(), Name.GetChars(), *extp);
 			if (_access(checkName, 0) == 0) 
 			{
 				hascolorkey = !!strstr(checkName, "-ck.");
@@ -358,4 +346,54 @@ int CheckExternalFile(FTexture *tex, bool & hascolorkey)
 	return -3;
 }
 
+//==========================================================================
+//
+// Checks for the presence of a hires texture replacement and loads it
+//
+//==========================================================================
+
+unsigned char *FTexture::LoadHiresTexture(int *width, int *height)
+{
+	if (HiresLump == -1)
+	{
+		bHiresHasColorKey = false;
+		HiresLump = CheckDDPK3();
+		if (HiresLump < 0) HiresLump = CheckExternalFile(bHiresHasColorKey);
+
+		if (HiresLump >= 0)
+		{
+			HiresTexture = FTexture::CreateTexture(HiresLump, ETextureType::Any);
+			HiresTexture->Name = "";
+			TexMan.AddTexture(HiresTexture);	// let the texture manager manage this.
+		}
+	}
+	if (HiresTexture != nullptr)
+	{
+		int w = HiresTexture->GetWidth();
+		int h = HiresTexture->GetHeight();
+
+		unsigned char * buffer = new unsigned char[w*(h + 1) * 4];
+		memset(buffer, 0, w * (h + 1) * 4);
+
+		FBitmap bmp(buffer, w * 4, w, h);
+
+		int trans = HiresTexture->CopyTrueColorPixels(&bmp, 0, 0);
+		HiresTexture->CheckTrans(buffer, w*h, trans);
+
+		if (bHiresHasColorKey)
+		{
+			// This is a crappy Doomsday color keyed image
+			// We have to remove the key manually. :(
+			uint32_t * dwdata = (uint32_t*)buffer;
+			for (int i = (w*h); i>0; i--)
+			{
+				if (dwdata[i] == 0xffffff00 || dwdata[i] == 0xffff00ff) dwdata[i] = 0;
+			}
+		}
+		*width = w;
+		*height = h;
+		return buffer;
+	}
+	return nullptr;
+}
 

src/textures/hires/hqresize.cpp

@@ -37,14 +37,13 @@
 #include "gl/system/gl_system.h"
 #include "gl/system/gl_interface.h"
 #include "gl/renderer/gl_renderer.h"
-#include "gl/textures/gl_texture.h"
 #include "c_cvars.h"
-#include "gl/hqnx/hqx.h"
+#include "hqnx/hqx.h"
 #ifdef HAVE_MMX
-#include "gl/hqnx_asm/hqnx_asm.h"
+#include "hqnx_asm/hqnx_asm.h"
 #endif
-#include "gl/xbr/xbrz.h"
-#include "gl/xbr/xbrz_old.h"
+#include "xbr/xbrz.h"
+#include "xbr/xbrz_old.h"
 
 #include "parallel_for.h"
 
@@ -314,7 +313,7 @@ static void xbrzOldScale(size_t factor, const uint32_t* src, uint32_t* trg, int
 //  the upsampled buffer.
 //
 //===========================================================================
-unsigned char *gl_CreateUpsampledTextureBuffer ( const FTexture *inputTexture, unsigned char *inputBuffer, const int inWidth, const int inHeight, int &outWidth, int &outHeight, bool hasAlpha )
+unsigned char *FTexture::CreateUpsampledTextureBuffer (unsigned char *inputBuffer, const int inWidth, const int inHeight, int &outWidth, int &outHeight, bool hasAlpha )
 {
 	// [BB] Make sure that outWidth and outHeight denote the size of
 	// the returned buffer even if we don't upsample the input buffer.
@@ -326,18 +325,18 @@ unsigned char *gl_CreateUpsampledTextureBuffer ( const FTexture *inputTexture, u
 		return inputBuffer;
 
 	// [BB] Don't try to upsample textures based off FCanvasTexture.
-	if ( inputTexture->bHasCanvas )
+	if ( bHasCanvas )
 		return inputBuffer;
 
 	// [BB] Don't upsample non-shader handled warped textures. Needs too much memory and time
-	if (gl.legacyMode && inputTexture->bWarped)
+	if (gl.legacyMode && bWarped)
 		return inputBuffer;
 
 	// already scaled?
-	if (inputTexture->Scale.X >= 2 && inputTexture->Scale.Y >= 2)
+	if (Scale.X >= 2 && Scale.Y >= 2)
 		return inputBuffer;
 
-	switch (inputTexture->UseType)
+	switch (UseType)
 	{
 	case ETextureType::Sprite:
 	case ETextureType::SkinSprite:

src/textures/textures.h

@@ -167,11 +167,13 @@ enum FTextureFormat : uint32_t
 // Base texture class
 class FTexture
 {
+
 public:
 	static FTexture *CreateTexture(const char *name, int lumpnum, ETextureType usetype);
 	static FTexture *CreateTexture(int lumpnum, ETextureType usetype);
 	virtual ~FTexture ();
 	void AddAutoMaterials();
+	unsigned char *CreateUpsampledTextureBuffer(unsigned char *inputBuffer, const int inWidth, const int inHeight, int &outWidth, int &outHeight, bool hasAlpha);
 
 	//int16_t LeftOffset, TopOffset;
 
@@ -186,6 +188,8 @@ public:
 
 	// Paletted variant
 	FTexture *PalVersion = nullptr;
+	// External hires texture
+	FTexture *HiresTexture = nullptr;
 	// Material layers
 	FTexture *Brightmap = nullptr;
 	FTexture *Normal = nullptr;							// Normal map texture
@@ -213,12 +217,14 @@ public:
 	uint8_t bBrightmapChecked : 1;				// Set to 1 if brightmap has been checked
 	uint8_t bGlowing : 1;						// Texture glow color
 	int8_t bTranslucent : 2;
+	bool bHiresHasColorKey = false;				// Support for old color-keyed Doomsday textures
 
 	uint16_t Rotations;
 	int16_t SkyOffset;
 	FloatRect *areas = nullptr;
 	int areacount = 0;
 	PalEntry GlowColor = 0;
+	int HiresLump = -1;							// For external hires textures.
 
 
 	struct Span
@@ -396,7 +402,13 @@ protected:
 	void GenerateBgraMipmapsFast();
 	int MipmapLevels() const;
 
+
+public:
+	unsigned char *LoadHiresTexture(int *width, int *height);
 private:
+	int CheckDDPK3();
+	int CheckExternalFile(bool & hascolorkey);
+
 	bool bSWSkyColorDone = false;
 	PalEntry FloorSkyColor;
 	PalEntry CeilingSkyColor;
@@ -420,7 +432,6 @@ public:
 		int GlowHeight;
 		int shaderindex;
 		float shaderspeed;
-		int mIsTransparent:2;
 		bool bAutoGlowing : 1;					// Glow info is determined from texture image.
 		bool bFullbright:1;						// always draw fullbright
 		bool bSkybox:1;							// This is a skybox