Respect texture .flags files on export

(cherry picked from commit 11cbbeb17ed0f5ff369046c1a194e0a31863f207)

scene/io/resource_format_image.cpp

@@ -136,61 +136,7 @@ RES ResourceFormatLoaderImage::load(const String &p_path, const String& p_origin
 #endif
 
 
-		uint32_t flags=0;
-
-		FileAccess *f2 = FileAccess::open(p_path+".flags",FileAccess::READ);
-		Map<String,bool> flags_found;
-		if (f2) {
-
-			while(!f2->eof_reached()) {
-				String l2 = f2->get_line();
-				int eqpos = l2.find("=");
-				if (eqpos!=-1) {
-					String flag=l2.substr(0,eqpos).strip_edges();
-					String val=l2.substr(eqpos+1,l2.length()).strip_edges().to_lower();
-					flags_found[flag]=(val=="true" || val=="1")?true:false;
-				}
-			}
-			memdelete(f2);
-		}
-
-
-		if (flags_found.has("filter")) {
-			if (flags_found["filter"])
-				flags|=Texture::FLAG_FILTER;
-		} else if (bool(GLOBAL_DEF("image_loader/filter",true))) {
-			flags|=Texture::FLAG_FILTER;
-		}
-
-
-		if (flags_found.has("gen_mipmaps")) {
-			if (flags_found["gen_mipmaps"])
-				flags|=Texture::FLAG_MIPMAPS;
-		} else if (bool(GLOBAL_DEF("image_loader/gen_mipmaps",true))) {
-			flags|=Texture::FLAG_MIPMAPS;
-		}
-
-		if (flags_found.has("repeat")) {
-			if (flags_found["repeat"])
-				flags|=Texture::FLAG_REPEAT;
-		} else if (bool(GLOBAL_DEF("image_loader/repeat",true))) {
-			flags|=Texture::FLAG_REPEAT;
-		}
-
-		if (flags_found.has("anisotropic")) {
-			if (flags_found["anisotropic"])
-				flags|=Texture::FLAG_ANISOTROPIC_FILTER;
-		}
-
-		if (flags_found.has("tolinear")) {
-			if (flags_found["tolinear"])
-				flags|=Texture::FLAG_CONVERT_TO_LINEAR;
-		}
-
-		if (flags_found.has("mirroredrepeat")) {
-			if (flags_found["mirroredrepeat"])
-				flags|=Texture::FLAG_MIRRORED_REPEAT;
-		}
+		uint32_t flags=load_image_flags(p_path);
 
 		if (debug_load_times)
 			begtime=OS::get_singleton()->get_ticks_usec();
@@ -214,6 +160,68 @@ RES ResourceFormatLoaderImage::load(const String &p_path, const String& p_origin
 
 }
 
+uint32_t ResourceFormatLoaderImage::load_image_flags(const String &p_path) {
+
+
+	FileAccess *f2 = FileAccess::open(p_path+".flags",FileAccess::READ);
+	Map<String,bool> flags_found;
+	if (f2) {
+
+		while(!f2->eof_reached()) {
+			String l2 = f2->get_line();
+			int eqpos = l2.find("=");
+			if (eqpos!=-1) {
+				String flag=l2.substr(0,eqpos).strip_edges();
+				String val=l2.substr(eqpos+1,l2.length()).strip_edges().to_lower();
+				flags_found[flag]=(val=="true" || val=="1")?true:false;
+			}
+		}
+		memdelete(f2);
+	}
+
+
+	uint32_t flags=0;
+
+	if (flags_found.has("filter")) {
+		if (flags_found["filter"])
+			flags|=Texture::FLAG_FILTER;
+	} else if (bool(GLOBAL_DEF("image_loader/filter",true))) {
+		flags|=Texture::FLAG_FILTER;
+	}
+
+
+	if (flags_found.has("gen_mipmaps")) {
+		if (flags_found["gen_mipmaps"])
+			flags|=Texture::FLAG_MIPMAPS;
+	} else if (bool(GLOBAL_DEF("image_loader/gen_mipmaps",true))) {
+		flags|=Texture::FLAG_MIPMAPS;
+	}
+
+	if (flags_found.has("repeat")) {
+		if (flags_found["repeat"])
+			flags|=Texture::FLAG_REPEAT;
+	} else if (bool(GLOBAL_DEF("image_loader/repeat",true))) {
+		flags|=Texture::FLAG_REPEAT;
+	}
+
+	if (flags_found.has("anisotropic")) {
+		if (flags_found["anisotropic"])
+			flags|=Texture::FLAG_ANISOTROPIC_FILTER;
+	}
+
+	if (flags_found.has("tolinear")) {
+		if (flags_found["tolinear"])
+			flags|=Texture::FLAG_CONVERT_TO_LINEAR;
+	}
+
+	if (flags_found.has("mirroredrepeat")) {
+		if (flags_found["mirroredrepeat"])
+			flags|=Texture::FLAG_MIRRORED_REPEAT;
+	}
+
+	return flags;
+}
+
 bool ResourceFormatLoaderImage::handles_type(const String& p_type) const {
 
 	return ObjectTypeDB::is_type(p_type,"Texture") || ObjectTypeDB::is_type(p_type,"CubeMap");

scene/io/resource_format_image.h

@@ -39,8 +39,8 @@ class ResourceFormatLoaderImage : public ResourceFormatLoader {
 	bool debug_load_times;
 	int max_texture_size;
 public:
-
 	virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL);
+	static uint32_t load_image_flags(const String &p_path);
 	virtual void get_recognized_extensions(List<String> *p_extensions) const;
 	virtual bool handles_type(const String& p_type) const;
 	virtual String get_resource_type(const String &p_path) const;

tools/editor/io_plugins/editor_texture_import_plugin.cpp

@@ -38,6 +38,7 @@
 #include "scene/gui/check_button.h"
 #include "scene/gui/button_group.h"
 #include "scene/gui/margin_container.h"
+#include "scene/io/resource_format_image.h"
 
 static const char *flag_names[]={
 	("Streaming Format"),
@@ -1589,16 +1590,9 @@ Vector<uint8_t> EditorTextureImportPlugin::custom_export(const String& p_path, c
 				} break; //use default
 			}
 
+			String validated_path=EditorImportPlugin::validate_source_path(p_path);
 
-			int flags=0;
-
-			if (Globals::get_singleton()->get("image_loader/filter"))
-				flags|=IMAGE_FLAG_FILTER;
-			if (!Globals::get_singleton()->get("image_loader/gen_mipmaps"))
-				flags|=IMAGE_FLAG_NO_MIPMAPS;
-			if (!Globals::get_singleton()->get("image_loader/repeat"))
-				flags|=IMAGE_FLAG_REPEAT;
-
+			int flags=texture_flags_to_export_flags(ResourceFormatLoaderImage::load_image_flags(validated_path));
 			flags|=IMAGE_FLAG_FIX_BORDER_ALPHA;
 
 			print_line("group format"+itos(group_format));
@@ -1607,7 +1601,7 @@ Vector<uint8_t> EditorTextureImportPlugin::custom_export(const String& p_path, c
 			rimd->set_option("quality",group_lossy_quality);
 			rimd->set_option("atlas",false);
 			rimd->set_option("shrink",group_shrink);
-			rimd->add_source(EditorImportPlugin::validate_source_path(p_path),FileAccess::get_md5(p_path));
+			rimd->add_source(validated_path,FileAccess::get_md5(p_path));
 
 		} else if (EditorImportExport::get_singleton()->get_image_formats().has(p_path.extension().to_lower()) && EditorImportExport::get_singleton()->get_export_image_action()!=EditorImportExport::IMAGE_ACTION_NONE) {
 			//handled by general image export settings
@@ -1619,22 +1613,16 @@ Vector<uint8_t> EditorTextureImportPlugin::custom_export(const String& p_path, c
 				case EditorImportExport::IMAGE_ACTION_COMPRESS_RAM: rimd->set_option("format",IMAGE_FORMAT_COMPRESS_RAM); break;
 			}
 
-			int flags=0;
-
-			if (Globals::get_singleton()->get("image_loader/filter"))
-				flags|=IMAGE_FLAG_FILTER;
-			if (!Globals::get_singleton()->get("image_loader/gen_mipmaps"))
-				flags|=IMAGE_FLAG_NO_MIPMAPS;
-			if (!Globals::get_singleton()->get("image_loader/repeat"))
-				flags|=IMAGE_FLAG_REPEAT;
+			String validated_path=EditorImportPlugin::validate_source_path(p_path);
 
+			int flags=texture_flags_to_export_flags(ResourceFormatLoaderImage::load_image_flags(validated_path));
 			flags|=IMAGE_FLAG_FIX_BORDER_ALPHA;
 
 			rimd->set_option("shrink",EditorImportExport::get_singleton()->get_export_image_shrink());
 			rimd->set_option("flags",flags);
 			rimd->set_option("quality",EditorImportExport::get_singleton()->get_export_image_quality());
 			rimd->set_option("atlas",false);
-			rimd->add_source(EditorImportPlugin::validate_source_path(p_path),FileAccess::get_md5(p_path));
+			rimd->add_source(validated_path,FileAccess::get_md5(p_path));
 
 		} else {
 			return Vector<uint8_t>();
@@ -1726,6 +1714,33 @@ Vector<uint8_t> EditorTextureImportPlugin::custom_export(const String& p_path, c
 	return ret;
 }
 
+uint32_t EditorTextureImportPlugin::texture_flags_to_export_flags(uint32_t p_tex_flags) const {
+
+	uint32_t flags=0;
+
+	if (!(p_tex_flags&Texture::FLAG_MIPMAPS)) {
+		flags|=IMAGE_FLAG_NO_MIPMAPS;
+	}
+	if (p_tex_flags&Texture::FLAG_REPEAT) {
+		flags|=IMAGE_FLAG_REPEAT;
+	}
+	if (p_tex_flags&Texture::FLAG_FILTER) {
+		flags|=IMAGE_FLAG_FILTER;
+	}
+	if (p_tex_flags&Texture::FLAG_ANISOTROPIC_FILTER) {
+		flags|=IMAGE_FLAG_USE_ANISOTROPY;
+	}
+	if (p_tex_flags&Texture::FLAG_CONVERT_TO_LINEAR) {
+		flags|=IMAGE_FLAG_CONVERT_TO_LINEAR;
+	}
+	/* // no correspondence yet
+	if (p_tex_flags&Texture::TEXTURE_FLAG_MIRRORED_REPEAT) {
+		flags|=;
+	}*/
+
+	return flags;
+}
+
 void EditorTextureImportPlugin::import_from_drop(const Vector<String>& p_drop,const String& p_dest_path) {
 
 	Vector<String> valid;

tools/editor/io_plugins/editor_texture_import_plugin.h

@@ -72,6 +72,8 @@ private:
 
 	Error _process_texture_data(Ref<ImageTexture> &texture, int format, float quality, int flags,EditorExportPlatform::ImageCompression p_compr,int tex_flags,float shrink);
 	void compress_image(EditorExportPlatform::ImageCompression p_mode,Image& image,bool p_smaller);
+
+	uint32_t texture_flags_to_export_flags(uint32_t p_tex_flags) const;
 public: