- fixed creation of true color textures.

The palette check was not correct so they ended up empty and caused other problems down the line.

source/build/src/polymost.cpp

@@ -697,7 +697,7 @@ static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32
         skyzbufferhack_pass--;
     }
 
-	if (!tilePtr(globalpicnum))
+	if (!success)
 		GLInterface.SetColorMask(true);
 }
 

source/glbackend/gl_texture.cpp

@@ -96,7 +96,7 @@ FHardwareTexture* GLInstance::CreateIndexedTexture(FTexture* tex)
 FHardwareTexture* GLInstance::CreateTrueColorTexture(FTexture* tex, int palid, bool checkfulltransparency, bool rgb8bit)
 {
 	auto palette = palid < 0? nullptr : palmanager.GetPaletteData(palid);
-	if (palette == nullptr) return nullptr;
+	if (palid >= 0 && palette == nullptr) return nullptr;
 	auto texbuffer = tex->CreateTexBuffer(palette, CTF_ProcessData);
 	// Check if the texture is fully transparent. When creating a brightmap such textures can be discarded.
 	if (checkfulltransparency)