- changed CreateTexBuffer to return its info in a structure and not as a naked pointer.

src/gl/shaders/gl_postprocessshader.cpp

@@ -226,16 +226,15 @@ void PostProcessShaderInstance::BindTextures()
 			if (it == mTextureHandles.end())
 			{
 				// Why does this completely circumvent the normal way of handling textures?
-				int width, height;
-				auto buffer = tex->CreateTexBuffer(0, width, height);
+				// This absolutely needs fixing because it will also circumvent any potential caching system that may get implemented.
+				auto buffer = tex->CreateTexBuffer(0);
 
 				GLuint handle = 0;
 				glGenTextures(1, &handle);
 				glBindTexture(GL_TEXTURE_2D, handle);
-				glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_BGRA, GL_UNSIGNED_BYTE, buffer);
+				glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, buffer.mWidth, buffer.mHeight, 0, GL_BGRA, GL_UNSIGNED_BYTE, buffer.mBuffer);
 				glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 				glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-				delete[] buffer;
 				mTextureHandles[tex] = handle;
 			}
 			else

src/gl/textures/gl_hwtexture.cpp

@@ -100,7 +100,7 @@ unsigned int FHardwareTexture::CreateTexture(unsigned char * buffer, int w, int
 	bool firstCall = glTex->glTexID == 0;
 	if (firstCall) glGenTextures(1,&glTex->glTexID);
 
-	unsigned textureBinding = UINT_MAX;
+	int textureBinding = UINT_MAX;
 	if (texunit == -1)	glGetIntegerv(GL_TEXTURE_BINDING_2D, &textureBinding);
 	if (texunit > 0) glActiveTexture(GL_TEXTURE0+texunit);
 	if (texunit >= 0) lastbound[texunit] = glTex->glTexID;
@@ -448,24 +448,25 @@ bool FHardwareTexture::BindOrCreate(FTexture *tex, int texunit, int clampmode, i
 		int w = 0, h = 0;
 
 		// Create this texture
-		unsigned char * buffer = nullptr;
+		
+		FTextureBuffer texbuffer;
 
 		if (!tex->isHardwareCanvas())
 		{
-			buffer = tex->CreateTexBuffer(translation, w, h, flags | CTF_ProcessData);
+			texbuffer = tex->CreateTexBuffer(translation, flags | CTF_ProcessData);
+			w = texbuffer.mWidth;
+			h = texbuffer.mHeight;
 		}
 		else
 		{
 			w = tex->GetWidth();
 			h = tex->GetHeight();
 		}
-		if (!CreateTexture(buffer, w, h, texunit, needmipmap, translation, "FHardwareTexture.BindOrCreate"))
+		if (!CreateTexture(texbuffer.mBuffer, w, h, texunit, needmipmap, translation, "FHardwareTexture.BindOrCreate"))
 		{
 			// could not create texture
-			delete[] buffer;
 			return false;
 		}
-		delete[] buffer;
 	}
 	if (tex->isHardwareCanvas()) static_cast<FCanvasTexture*>(tex)->NeedUpdate();
 	GLRenderer->mSamplerManager->Bind(texunit, clampmode, 255);

src/hwrenderer/textures/hw_material.cpp

@@ -341,19 +341,19 @@ void FMaterial::SetSpriteRect()
 
 bool FMaterial::TrimBorders(uint16_t *rect)
 {
-	int w;
-	int h;
 
-	unsigned char *buffer = sourcetex->CreateTexBuffer(0, w, h);
+	auto texbuffer = sourcetex->CreateTexBuffer(0);
+	int w = texbuffer.mWidth;
+	int h = texbuffer.mHeight;
+	auto Buffer = texbuffer.mBuffer;
 
-	if (buffer == NULL) 
+	if (texbuffer.mBuffer == nullptr) 
 	{
 		return false;
 	}
 	if (w != mWidth || h != mHeight)
 	{
 		// external Hires replacements cannot be trimmed.
-		delete [] buffer;
 		return false;
 	}
 
@@ -365,14 +365,13 @@ bool FMaterial::TrimBorders(uint16_t *rect)
 		rect[1] = 0;
 		rect[2] = 1;
 		rect[3] = 1;
-		delete[] buffer;
 		return true;
 	}
 	int first, last;
 
 	for(first = 0; first < size; first++)
 	{
-		if (buffer[first*4+3] != 0) break;
+		if (Buffer[first*4+3] != 0) break;
 	}
 	if (first >= size)
 	{
@@ -381,13 +380,12 @@ bool FMaterial::TrimBorders(uint16_t *rect)
 		rect[1] = 0;
 		rect[2] = 1;
 		rect[3] = 1;
-		delete [] buffer;
 		return true;
 	}
 
 	for(last = size-1; last >= first; last--)
 	{
-		if (buffer[last*4+3] != 0) break;
+		if (Buffer[last*4+3] != 0) break;
 	}
 
 	rect[1] = first / w;
@@ -396,7 +394,7 @@ bool FMaterial::TrimBorders(uint16_t *rect)
 	rect[0] = 0;
 	rect[2] = w;
 
-	unsigned char *bufferoff = buffer + (rect[1] * w * 4);
+	unsigned char *bufferoff = Buffer + (rect[1] * w * 4);
 	h = rect[3];
 
 	for(int x = 0; x < w; x++)
@@ -416,13 +414,11 @@ outl:
 		{
 			if (bufferoff[(x+y*w)*4+3] != 0) 
 			{
-				delete [] buffer;
 				return true;
 			}
 		}
 		rect[2]--;
 	}
-	delete [] buffer;
 	return true;
 }
 

src/posix/cocoa/i_video.mm

@@ -656,12 +656,11 @@ bool I_SetCursor(FTexture *cursorpic)
 	{
 		// Create bitmap image representation
 		
-		int w, h;
-		auto sbuffer = cursorpic->CreateTexBuffer(0, w, h);
+		auto sbuffer = cursorpic->CreateTexBuffer(0);
 
-		const NSInteger imageWidth  = w;
-		const NSInteger imageHeight = h;
-		const NSInteger imagePitch  = w * 4;
+		const NSInteger imageWidth  = sbuffer.mWidth;
+		const NSInteger imageHeight = sbuffer.mHeight;
+		const NSInteger imagePitch  = sbuffer.mWidth * 4;
 
 		NSBitmapImageRep* bitmapImageRep = [NSBitmapImageRep alloc];
 		[bitmapImageRep initWithBitmapDataPlanes:NULL
@@ -678,8 +677,7 @@ bool I_SetCursor(FTexture *cursorpic)
 		// Load bitmap data to representation
 
 		uint8_t* buffer = [bitmapImageRep bitmapData];
-		memcpy(buffer, sbuffer, imagePitch * imageHeight);
-		delete [] sbuffer;
+		memcpy(buffer, sbuffer.mBuffer, imagePitch * imageHeight);
 
 		// Swap red and blue components in each pixel
 

src/textures/hires/hirestex.cpp

@@ -397,7 +397,7 @@ bool FTexture::LoadHiresTexture(FTextureBuffer &texbuffer)
 				if (dwdata[i] == 0xffffff00 || dwdata[i] == 0xffff00ff) dwdata[i] = 0;
 			}
 		}
-		FContentId contentId;
+		FContentIdBuilder contentId;
 		contentId.id = 0;
 		contentId.imageID = HiresTexture->GetImage()->GetId();
 		texbuffer.mBuffer = buffer;

src/textures/hires/hqresize.cpp

@@ -348,23 +348,23 @@ static void xbrzOldScale(size_t factor, const uint32_t* src, uint32_t* trg, int
 
 //===========================================================================
 // 
-// [BB] Upsamples the texture in inputBuffer, frees inputBuffer and returns
+// [BB] Upsamples the texture in texbuffer.mBuffer, frees texbuffer.mBuffer and returns
 //  the upsampled buffer.
 //
 //===========================================================================
 void FTexture::CreateUpsampledTextureBuffer(FTextureBuffer &texbuffer, bool hasAlpha)
 {
-	// [BB] Make sure that outWidth and outHeight denote the size of
+	// [BB] Make sure that inWidth and inHeight denote the size of
 	// the returned buffer even if we don't upsample the input buffer.
-	int outWidth = texbuffer.mWidth;
-	int outHeight = texbuffer.mHeight;
+	int inWidth = texbuffer.mWidth;
+	int inHeight = texbuffer.mHeight;
 
 	// [BB] Don't resample if the width or height of the input texture is bigger than gl_texture_hqresize_maxinputsize.
-	if ( ( outWidth > gl_texture_hqresize_maxinputsize ) || ( outHeight > gl_texture_hqresize_maxinputsize ) )
+	if ((inWidth > gl_texture_hqresize_maxinputsize) || (inHeight > gl_texture_hqresize_maxinputsize))
 		return;
 
 	// [BB] Don't try to upsample textures based off FCanvasTexture. (This should never get here in the first place!)
-	if ( bHasCanvas )
+	if (bHasCanvas)
 		return;
 
 	// already scaled?
@@ -401,47 +401,53 @@ void FTexture::CreateUpsampledTextureBuffer(FTextureBuffer &texbuffer, bool hasA
 		if (mult < 2)
 			type = 0;
 
-		switch (type)
+
+		if (type == 1)
 		{
-		case 1:
-			switch(mult)
-			{
-			case 2:
-				return scaleNxHelper( &scale2x, 2, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			case 3:
-				return scaleNxHelper( &scale3x, 3, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			default:
-				return scaleNxHelper( &scale4x, 4, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			}
-		case 2:
-			switch(mult)
-			{
-			case 2:
-				return hqNxHelper( &hq2x_32, 2, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			case 3:
-				return hqNxHelper( &hq3x_32, 3, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			default:
-				return hqNxHelper( &hq4x_32, 4, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			}
-#ifdef HAVE_MMX
-		case 3:
-			switch(mult)
-			{
-			case 2:
-				return hqNxAsmHelper( &HQnX_asm::hq2x_32, 2, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			case 3:
-				return hqNxAsmHelper( &HQnX_asm::hq3x_32, 3, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			default:
-				return hqNxAsmHelper( &HQnX_asm::hq4x_32, 4, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-			}
-#endif
-		case 4:
-			return xbrzHelper(xbrz::scale, mult, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-		case 5:			
-			return xbrzHelper(xbrzOldScale, mult, inputBuffer, inWidth, inHeight, outWidth, outHeight );
-		case 6:
-			return normalNxHelper( &normalNx, mult, inputBuffer, inWidth, inHeight, outWidth, outHeight );
+			if (mult == 2)
+				texbuffer.mBuffer = scaleNxHelper(&scale2x, 2, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else if (mult == 3)
+				texbuffer.mBuffer = scaleNxHelper(&scale3x, 3, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else if (mult == 4)
+				texbuffer.mBuffer = scaleNxHelper(&scale4x, 4, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else return;
 		}
+		else if (type == 2)
+		{
+			if (mult == 2)
+				texbuffer.mBuffer = hqNxHelper(&hq2x_32, 2, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else if (mult == 3)
+				texbuffer.mBuffer = hqNxHelper(&hq3x_32, 3, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else if (mult == 4)
+				texbuffer.mBuffer = hqNxHelper(&hq4x_32, 4, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else return;
+		}
+#ifdef HAVE_MMX
+		else if (type == 3)
+		{
+			if (mult == 2)
+				texbuffer.mBuffer = hqNxAsmHelper(&HQnX_asm::hq2x_32, 2, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else if (mult == 3)
+				texbuffer.mBuffer = hqNxAsmHelper(&HQnX_asm::hq3x_32, 3, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else if (mult == 4)
+				texbuffer.mBuffer = hqNxAsmHelper(&HQnX_asm::hq4x_32, 4, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+			else return;
+		}
+#endif
+		else if (type == 4)
+			texbuffer.mBuffer = xbrzHelper(xbrz::scale, mult, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+		else if (type == 5)
+			texbuffer.mBuffer = xbrzHelper(xbrzOldScale, mult, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+		else if (type == 6)
+			texbuffer.mBuffer = normalNxHelper(&normalNx, mult, texbuffer.mBuffer, inWidth, inHeight, texbuffer.mWidth, texbuffer.mHeight);
+		else
+			return;
+
+		// Encode the scaling method in the content ID.
+		FContentIdBuilder contentId;
+		contentId.id = texbuffer.mContentId;
+		contentId.scaler = type;
+		contentId.scalefactor = mult;
+		texbuffer.mContentId = contentId.id;
 	}
-	return inputBuffer;
 }

src/textures/texture.cpp

@@ -671,7 +671,8 @@ FTextureBuffer FTexture::CreateTexBuffer(int translation, int flags)
 
 	if (flags & CTF_CheckHires)
 	{
-		if (LoadHiresTexture(result)) return result;
+		// No image means that this cannot be checked,
+		if (GetImage() && LoadHiresTexture(result)) return result;
 	}
 	int exx = !!(flags & CTF_Expand);
 
@@ -699,18 +700,23 @@ FTextureBuffer FTexture::CreateTexBuffer(int translation, int flags)
 		// A translated image is not conclusive for setting the texture's transparency info.
 	}
 
-	FContentId builder;
-	builder.id = 0;
-	builder.imageID = GetImage()->GetId();
-	builder.translation = MAX(0, translation);
-	builder.expand = exx;
+	if (GetImage())
+	{
+		FContentIdBuilder builder;
+		builder.id = 0;
+		builder.imageID = GetImage()->GetId();
+		builder.translation = MAX(0, translation);
+		builder.expand = exx;
+		result.mContentId = builder.id;
+	}
+	else result.mContentId = 0;	// for non-image backed textures this has no meaning so leave it at 0.
 
 	result.mBuffer = buffer;
 	result.mWidth = W;
 	result.mHeight = H;
-	result.mContentId = builder.id;
 
-	if (flags & CTF_ProcessData) 
+	// Only do postprocessing for image-backed textures. (i.e. not for the burn texture which can also pass through here.)
+	if (GetImage() && flags & CTF_ProcessData) 
 	{
 		CreateUpsampledTextureBuffer(result, !!isTransparent);
 		ProcessData(result.mBuffer, result.mWidth, result.mHeight, false);
@@ -731,9 +737,8 @@ bool FTexture::GetTranslucency()
 	{
 		if (!bHasCanvas)
 		{
-			int w, h;
-			unsigned char *buffer = CreateTexBuffer(0, w, h);
-			delete[] buffer;
+			// This will calculate all we need, so just discard the result.
+			CreateTexBuffer(0);
 		}
 		else
 		{

src/textures/textures.h

@@ -42,7 +42,6 @@
 #include "colormatcher.h"
 #include "r_data/renderstyle.h"
 #include "r_data/r_translate.h"
-#include "hwrenderer/textures/hw_texmanager.h"
 #include <vector>
 
 // 15 because 0th texture is our texture
@@ -226,7 +225,7 @@ namespace OpenGLRenderer
 	class FHardwareTexture;
 }
 
-union FContentId
+union FContentIdBuilder
 {
 	uint64_t id;
 	struct