Switch to embedding cartridge templates and boot ROM as GResources

Also set up gdk-pixbuf in the Makefile, which will be used for image ops

Makefile

@@ -225,6 +225,12 @@ GIO_CFLAGS += -DG_ENABLE_DEBUG
 else
 GIO_CFLAGS += -DG_DISABLE_ASSERT
 endif
+
+GDK_PIXBUF_CFLAGS := $(shell $(PKG_CONFIG) --cflags gdk-pixbuf-2.0)
+GDK_PIXBUF_LDFLAGS := $(shell $(PKG_CONFIG) --libs gdk-pixbuf-2.0)
+
+LIBPNG_CFLAGS := $(shell $(PKG_CONFIG) --cflags libpng)
+LIBPNG_LDFLAGS := $(shell $(PKG_CONFIG) --libs libpng)
 endif
 
 ifeq (,$(PKG_CONFIG))
@@ -338,7 +344,7 @@ endif
 
 cocoa: $(BIN)/SameBoy.app
 quicklook: $(BIN)/SameBoy.qlgenerator
-xdg-thumbnailer: $(BIN)/XdgThumbnailer/sameboy-thumbnailer $(BIN)/XdgThumbnailer/cgb_boot_fast.bin $(patsubst QuickLook/%.png,$(BIN)/XdgThumbnailer/%.png,$(wildcard QuickLook/*.png))
+xdg-thumbnailer: $(BIN)/XdgThumbnailer/sameboy-thumbnailer
 sdl: $(SDL_TARGET) $(BIN)/SDL/dmg_boot.bin $(BIN)/SDL/mgb_boot.bin $(BIN)/SDL/cgb0_boot.bin $(BIN)/SDL/cgb_boot.bin $(BIN)/SDL/agb_boot.bin $(BIN)/SDL/sgb_boot.bin $(BIN)/SDL/sgb2_boot.bin $(BIN)/SDL/LICENSE $(BIN)/SDL/registers.sym $(BIN)/SDL/background.bmp $(BIN)/SDL/Shaders $(BIN)/SDL/Palettes
 bootroms: $(BIN)/BootROMs/agb_boot.bin $(BIN)/BootROMs/cgb_boot.bin $(BIN)/BootROMs/cgb0_boot.bin $(BIN)/BootROMs/dmg_boot.bin $(BIN)/BootROMs/mgb_boot.bin $(BIN)/BootROMs/sgb_boot.bin $(BIN)/BootROMs/sgb2_boot.bin
 tester: $(TESTER_TARGET) $(BIN)/tester/dmg_boot.bin $(BIN)/tester/cgb_boot.bin $(BIN)/tester/agb_boot.bin $(BIN)/tester/sgb_boot.bin $(BIN)/tester/sgb2_boot.bin
@@ -377,7 +383,7 @@ IOS_OBJECTS := $(patsubst %,$(OBJ)/%.o,$(IOS_SOURCES))
 QUICKLOOK_OBJECTS := $(patsubst %,$(OBJ)/%.o,$(QUICKLOOK_SOURCES))
 SDL_OBJECTS := $(patsubst %,$(OBJ)/%.o,$(SDL_SOURCES))
 TESTER_OBJECTS := $(patsubst %,$(OBJ)/%.o,$(TESTER_SOURCES))
-XDG_THUMBNAILER_OBJECTS := $(patsubst %,$(OBJ)/%.o,$(XDG_THUMBNAILER_SOURCES)) $(OBJ)/XdgThumbnailer/interface.c.o
+XDG_THUMBNAILER_OBJECTS := $(patsubst %,$(OBJ)/%.o,$(XDG_THUMBNAILER_SOURCES)) $(OBJ)/XdgThumbnailer/interface.c.o $(OBJ)/XdgThumbnailer/resources.c.o
 
 lib: $(PUBLIC_HEADERS)
 
@@ -423,18 +429,26 @@ $(OBJ)/SDL/%.c.o: SDL/%.c
 
 $(OBJ)/XdgThumbnailer/%.c.o: XdgThumbnailer/%.c
 	-@$(MKDIR) -p $(dir $@)
-	$(CC) $(CFLAGS) $(GIO_CFLAGS) -DG_LOG_DOMAIN='"sameboy-thumbnailer"' -c $< -o $@
+	$(CC) $(CFLAGS) $(GIO_CFLAGS) $(GDK_PIXBUF_CFLAGS) $(LIBPNG_CFLAGS) -DG_LOG_DOMAIN='"sameboy-thumbnailer"' -c $< -o $@
 # Make sure not to attempt compiling this before generating the interface code.
 $(OBJ)/XdgThumbnailer/main.c.o: $(OBJ)/XdgThumbnailer/interface.h
+# Make sure not to attempt compiling this before generating the resource code.
+$(OBJ)/XdgThumbnailer/emulate.c.o: $(OBJ)/XdgThumbnailer/resources.h
 # Silence warnings for this. It is code generated not by us, so we do not want `-Werror` to break
 # compilation with some version of the generator and/or compiler.
-$(OBJ)/XdgThumbnailer/interface.c.o: $(OBJ)/XdgThumbnailer/interface.c
+$(OBJ)/XdgThumbnailer/%.c.o: $(OBJ)/XdgThumbnailer/%.c
 	-@$(MKDIR) -p $(dir $@)
-	$(CC) $(CFLAGS) $(GIO_CFLAGS) -DG_LOG_DOMAIN='"sameboy-thumbnailer"' -w -c $< -o $@
+	$(CC) $(CFLAGS) $(GIO_CFLAGS) $(GDK_PIXBUF_CFLAGS) $(LIBPNG_CFLAGS) -DG_LOG_DOMAIN='"sameboy-thumbnailer"' -w -c $< -o $@
+
 $(OBJ)/XdgThumbnailer/interface.c $(OBJ)/XdgThumbnailer/interface.h: XdgThumbnailer/interface.xml
 	-@$(MKDIR) -p $(dir $@)
 	gdbus-codegen --c-generate-autocleanup none --c-namespace Thumbnailer --interface-prefix org.freedesktop.thumbnails. --generate-c-code $(OBJ)/XdgThumbnailer/interface $<
 
+$(OBJ)/XdgThumbnailer/resources.c $(OBJ)/XdgThumbnailer/resources.h: %: XdgThumbnailer/resources.gresource.xml $(BIN)/BootROMs/cgb_boot_fast.bin
+	-@$(MKDIR) -p $(dir $@)
+	CC=$(CC) glib-compile-resources --dependency-file $@.mk --generate-phony-targets --generate --target $@ $<
+-include $(OBJ)/XdgThumbnailer/resources.c.mk $(OBJ)/XdgThumbnailer/resources.h.mk
+
 $(OBJ)/OpenDialog/%.c.o: OpenDialog/%.c
 	-@$(MKDIR) -p $(dir $@)
 	$(CC) $(CFLAGS) $(SDL_CFLAGS) $(GL_CFLAGS) -c $< -o $@
@@ -560,7 +574,7 @@ $(BIN)/SameBoy.qlgenerator/Contents/Resources/cgb_boot_fast.bin: $(BIN)/BootROMs
 
 $(BIN)/XdgThumbnailer/sameboy-thumbnailer: $(CORE_OBJECTS) $(XDG_THUMBNAILER_OBJECTS)
 	-@$(MKDIR) -p $(dir $@)
-	$(CC) $^ -o $@ $(LDFLAGS) $(FAT_FLAGS) $(GIO_LDFLAGS)
+	$(CC) $^ -o $@ $(LDFLAGS) $(GIO_LDFLAGS) $(GDK_PIXBUF_LDFLAGS) $(LIBPNG_LDFLAGS)
 
 # SDL Port
 
@@ -627,14 +641,6 @@ $(BIN)/SameBoy-iOS.app/%.bin: $(BOOTROMS_DIR)/%.bin
 	-@$(MKDIR) -p $(dir $@)
 	cp -f $< $@
 
-$(BIN)/XdgThumbnailer/%.png: QuickLook/%.png
-	-@$(MKDIR) -p $(dir $@)
-	cp -f $< $@
-
-$(BIN)/XdgThumbnailer/%.bin: $(BOOTROMS_DIR)/%.bin
-	-@$(MKDIR) -p $(dir $@)
-	cp -f $< $@
-
 $(BIN)/SDL/%.bin: $(BOOTROMS_DIR)/%.bin
 	-@$(MKDIR) -p $(dir $@)
 	cp -f $< $@

XdgThumbnailer/emulate.c

@@ -1,11 +1,13 @@
 #include "emulate.h"
 
 #include <glib.h>
+#include <gio/gio.h>
 #include <stdint.h>
 
 #include "Core/gb.h"
-#include "Core/memory.h"
+
-#include "glibconfig.h"
+// Auto-generated via `glib-compile-resources` from `resources.gresource.xml`.
+#include "build/obj/XdgThumbnailer/resources.h"
 
 #define NB_FRAMES_TO_EMULATE (60 * 10)
 
@@ -67,7 +69,15 @@ unsigned emulate(enum FileKind kind, unsigned char const *rom, size_t rom_size,
     GB_gameboy_t gb;
     GB_init(&gb, GB_MODEL_CGB_E);
 
-    GB_load_boot_rom_from_buffer(&gb, (unsigned char const *)boot_rom, sizeof(boot_rom));
+    GError *error = NULL;
+    GBytes *boot_rom = g_resource_lookup_data(resources_get_resource(), "/thumbnailer/cgb_boot_fast.bin", G_RESOURCE_LOOKUP_FLAGS_NONE, &error);
+    g_assert_no_error(error);
+    size_t boot_rom_size;
+    unsigned char const *boot_rom_data = g_bytes_get_data(boot_rom, &boot_rom_size);
+    g_assert_cmpuint(boot_rom_size, ==, BOOT_ROM_SIZE);
+    GB_load_boot_rom_from_buffer(&gb, boot_rom_data, boot_rom_size);
+    g_bytes_unref(boot_rom);
+
     if (kind == KIND_ISX) {
         g_assert_not_reached(); // TODO: implement GB_load_isx_from_buffer
     }

XdgThumbnailer/main.c

@@ -111,7 +111,6 @@ int main(int argc, char const *argv[])
     // unsigned active_worker_threads = 0;
     //  Create the task queue *before* starting to accept tasks from D-Bus.
     init_tasks();
-    load_boot_rom();
     // Likewise, create the main loop before then, so it can be aborted even before entering it.
     main_loop = g_main_loop_new(NULL, FALSE);
 

XdgThumbnailer/main.h

@@ -3,9 +3,9 @@
 // As defined in the thumbnailer spec.
 enum ErrorCode {
 	ERROR_UNKNOWN_SCHEME_OR_MIME,
-	ERROR_SPECIALIZED_THUMBNAILER_CONNECTION_FAILED,
+	ERROR_SPECIALIZED_THUMBNAILER_CONNECTION_FAILED, // Not applicable.
-	ERROR_INVALID_DATA,
+	ERROR_INVALID_DATA, // Any file can be decoded as a GB ROM, apparently!
-	ERROR_THUMBNAIILING_THUMBNAIL,
+	ERROR_THUMBNAIILING_THUMBNAIL, // We defer checking this to the generic thumbnailer.
 	ERROR_COULD_NOT_WRITE,
 	ERROR_UNSUPPORTED_FLAVOR,
 };

XdgThumbnailer/resources.gresource.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+	<gresource prefix="/thumbnailer">
+		<file alias="CartridgeTemplate.png">QuickLook/CartridgeTemplate.png</file>
+		<file alias="ColorCartridgeTemplate.png">QuickLook/ColorCartridgeTemplate.png</file>
+		<file alias="UniversalCartridgeTemplate.png">QuickLook/UniversalCartridgeTemplate.png</file>
+		<file alias="cgb_boot_fast.bin">build/bin/BootROMs/cgb_boot_fast.bin</file>
+	</gresource>
+</gresources>

XdgThumbnailer/thumbnail.c

@@ -11,6 +11,20 @@
 
 #define THUMBNAILING_ERROR_DOMAIN (g_quark_from_static_string("thumbnailing"))
 
+/* --- */
+
+enum CartridgeType {
+    CART_DMG_ONLY,
+    CART_DUAL,
+    CART_CGB_ONLY,
+};
+
+void load_cartridge_images(void) {
+    // TODO
+}
+
+/* --- */
+
 struct TaskData {
     char *contents;
     size_t length;
@@ -25,6 +39,8 @@ static void destroy_task_data(void *data)
     g_slice_free(struct TaskData, task_data);
 }
 
+/* --- */
+
 static void generate_thumbnail(GTask *task, void *source_object, void *data,
                                GCancellable *cancellable)
 {
@@ -33,8 +49,21 @@ static void generate_thumbnail(GTask *task, void *source_object, void *data,
     uint32_t screen[160 * 144];
     unsigned cgb_flag = emulate(task_data->kind, (unsigned char const *)task_data->contents,
                                 task_data->length, screen);
-    // TODO: generate the thumbnail from `screen` and `cgb_flag`.
+
-    (void)cgb_flag;
+    // Generate the thumbnail from `screen` and `cgb_flag`.
+    enum CartridgeType type;
+    switch (cgb_flag) {
+    case 0xC0:
+        type = CART_CGB_ONLY;
+        break;
+    case 0x80:
+        type = CART_DUAL;
+        break;
+    default:
+        type = CART_DMG_ONLY;
+        break;
+    }
+    (void)type;
 
     g_task_return_boolean(task, TRUE);
     g_object_unref(task);
@@ -69,6 +98,8 @@ static void on_file_ready(GObject *source_object, GAsyncResult *res, void *user_
     g_task_run_in_thread(task, generate_thumbnail);
 }
 
+/* --- */
+
 static void on_thumbnailing_end(GObject *source_object, GAsyncResult *res, void *user_data)
 {
     // TODO: start a new thread if some task is pending.