remove some dead code

src/modules/graphics/Texture.cpp

@@ -179,7 +179,6 @@ Texture::Texture(Graphics *gfx, const Settings &settings, const Slices *slices)
 	, requestedMSAA(settings.msaa > 1 ? settings.msaa : 0)
 	, samplerState()
 	, graphicsMemorySize(0)
-	, usingDefaultTexture(false)
 {
 	if (slices != nullptr && slices->getMipmapCount() > 0 && slices->getSliceCount() > 0)
 	{
@@ -453,7 +452,7 @@ void Texture::replacePixels(love::image::ImageDataBase *d, int slice, int mipmap
 		throw love::Exception("replacePixels cannot be called on this Texture while it's an active render target.");
 
 	// No effect if the texture hasn't been created yet.
-	if (getHandle() == 0 || usingDefaultTexture)
+	if (getHandle() == 0)
 		return;
 
 	if (d->getFormat() != getPixelFormat())

src/modules/graphics/Texture.h

@@ -343,10 +343,6 @@ protected:
 
 	int64 graphicsMemorySize;
 
-	// True if the texture wasn't able to be properly created and it had to fall
-	// back to a default texture.
-	bool usingDefaultTexture;
-
 }; // Texture
 
 } // graphics

src/modules/graphics/opengl/Texture.cpp

@@ -369,11 +369,8 @@ bool Texture::loadVolatile()
 	if (isReadable())
 		createTexture();
 
-	if (!usingDefaultTexture && framebufferStatus == GL_FRAMEBUFFER_COMPLETE
-		&& (!isReadable() || actualSamples > 1))
-	{
+	if (framebufferStatus == GL_FRAMEBUFFER_COMPLETE && (!isReadable() || actualSamples > 1))
 		framebufferStatus = newRenderbuffer(pixelWidth, pixelHeight, actualSamples, format, renderbuffer);
-	}
 
 	textureGLError = glGetError();
 
@@ -403,7 +400,6 @@ bool Texture::loadVolatile()
 
 	setGraphicsMemorySize(memsize);
 
-	usingDefaultTexture = false;
 	return true;
 }
 
@@ -575,13 +571,6 @@ void Texture::setSamplerState(const SamplerState &s)
 			samplerState.mipmapFilter = SamplerState::MIPMAP_FILTER_NEAREST;
 	}
 
-	// We don't want filtering or (attempted) mipmaps on the default texture.
-	if (usingDefaultTexture)
-	{
-		samplerState.mipmapFilter = SamplerState::MIPMAP_FILTER_NONE;
-		samplerState.minFilter = samplerState.magFilter = SamplerState::FILTER_NEAREST;
-	}
-
 	// If we only have limited NPOT support then the wrap mode must be CLAMP.
 	if ((GLAD_ES_VERSION_2_0 && !(GLAD_ES_VERSION_3_0 || GLAD_OES_texture_npot))
 		&& (pixelWidth != nextP2(pixelWidth) || pixelHeight != nextP2(pixelHeight) || depth != nextP2(depth)))