initial commit

.gitignore

@@ -0,0 +1,2 @@
+*.so
+*.o

Makefile

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+STATIC_LINKING := 0
+AR             := ar
+
+ifeq ($(platform),)
+	platform = unix
+ifeq ($(shell uname -a),)
+	platform = win
+else ifneq ($(findstring MINGW,$(shell uname -a)),)
+	platform = win
+else ifneq ($(findstring Darwin,$(shell uname -a)),)
+	platform = osx
+else ifneq ($(findstring win,$(shell uname -a)),)
+	platform = win
+endif
+endif
+
+# system platform
+system_platform = unix
+ifeq ($(shell uname -a),)
+	EXE_EXT = .exe
+	system_platform = win
+else ifneq ($(findstring Darwin,$(shell uname -a)),)
+	system_platform = osx
+	arch = intel
+ifeq ($(shell uname -p),powerpc)
+	arch = ppc
+endif
+else ifneq ($(findstring MINGW,$(shell uname -a)),)
+	system_platform = win
+endif
+
+TARGET_NAME := teampandory_scummvm_vcore
+LIBM		= -lm
+
+ifeq ($(ARCHFLAGS),)
+ifeq ($(archs),ppc)
+   ARCHFLAGS = -arch ppc -arch ppc64
+else
+   ARCHFLAGS = -arch i386 -arch x86_64
+endif
+endif
+
+ifeq ($(platform), osx)
+ifndef ($(NOUNIVERSAL))
+   CFLAGS += $(ARCHFLAGS)
+   LFLAGS += $(ARCHFLAGS)
+endif
+endif
+
+ifeq ($(STATIC_LINKING), 1)
+EXT := a
+endif
+
+ifeq ($(platform), unix)
+	EXT ?= so
+   TARGET := $(TARGET_NAME)_libretro.$(EXT)
+   fpic := -fPIC
+   SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
+else ifeq ($(platform), linux-portable)
+   TARGET := $(TARGET_NAME)_libretro.$(EXT)
+   fpic := -fPIC -nostdlib
+   SHARED := -shared -Wl,--version-script=link.T
+	LIBM :=
+else ifneq (,$(findstring osx,$(platform)))
+   TARGET := $(TARGET_NAME)_libretro.dylib
+   fpic := -fPIC
+   SHARED := -dynamiclib
+else ifneq (,$(findstring ios,$(platform)))
+   TARGET := $(TARGET_NAME)_libretro_ios.dylib
+	fpic := -fPIC
+	SHARED := -dynamiclib
+
+ifeq ($(IOSSDK),)
+   IOSSDK := $(shell xcodebuild -version -sdk iphoneos Path)
+endif
+
+	DEFINES := -DIOS
+	CC = cc -arch armv7 -isysroot $(IOSSDK)
+ifeq ($(platform),ios9)
+CC     += -miphoneos-version-min=8.0
+CFLAGS += -miphoneos-version-min=8.0
+else
+CC     += -miphoneos-version-min=5.0
+CFLAGS += -miphoneos-version-min=5.0
+endif
+else ifneq (,$(findstring qnx,$(platform)))
+	TARGET := $(TARGET_NAME)_libretro_qnx.so
+   fpic := -fPIC
+   SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
+else ifeq ($(platform), emscripten)
+   TARGET := $(TARGET_NAME)_libretro_emscripten.bc
+   fpic := -fPIC
+   SHARED := -shared -Wl,--version-script=link.T -Wl,--no-undefined
+else ifeq ($(platform), vita)
+   TARGET := $(TARGET_NAME)_vita.a
+   CC = arm-vita-eabi-gcc
+   AR = arm-vita-eabi-ar
+   CFLAGS += -Wl,-q -Wall -O3
+	STATIC_LINKING = 1
+else
+   CC = gcc
+   TARGET := $(TARGET_NAME)_libretro.dll
+   SHARED := -shared -static-libgcc -static-libstdc++ -s -Wl,--version-script=link.T -Wl,--no-undefined
+endif
+
+LDFLAGS += $(LIBM)
+
+ifeq ($(DEBUG), 1)
+   CFLAGS += -O0 -g
+else
+   CFLAGS += -O3
+endif
+
+OBJECTS := libretro-teampandory-scummvm-vcore.o
+CFLAGS += -Wall -pedantic $(fpic)
+
+ifneq (,$(findstring qnx,$(platform)))
+CFLAGS += -Wc,-std=c99
+else
+CFLAGS += -std=gnu99
+endif
+
+CFLAGS += -I.
+
+all: $(TARGET)
+
+$(TARGET): $(OBJECTS)
+ifeq ($(STATIC_LINKING), 1)
+	$(AR) rcs $@ $(OBJECTS)
+else
+	$(CC) $(fpic) $(SHARED) $(INCLUDES) -o $@ $(OBJECTS) $(LDFLAGS)
+endif
+
+%.o: %.c
+	$(CC) $(CFLAGS) $(fpic) -c -o $@ $<
+
+clean:
+	rm -f $(OBJECTS) $(TARGET)
+
+.PHONY: clean
+

libretro-teampandory-scummvm-vcore.c

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+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <math.h>
+#include <libretro.h>
+
+static uint32_t *frame_buf;
+static struct retro_log_callback logging;
+static retro_log_printf_t log_cb;
+
+static void fallback_log(enum retro_log_level level, const char *fmt, ...)
+{
+   (void)level;
+   va_list va;
+   va_start(va, fmt);
+   vfprintf(stderr, fmt, va);
+   va_end(va);
+}
+
+void retro_init(void)
+{
+   frame_buf = calloc(320 * 240, sizeof(uint32_t));
+}
+
+void retro_deinit(void)
+{
+   free(frame_buf);
+   frame_buf = NULL;
+}
+
+unsigned retro_api_version(void)
+{
+   return RETRO_API_VERSION;
+}
+
+void retro_set_controller_port_device(unsigned port, unsigned device)
+{
+   log_cb(RETRO_LOG_INFO, "Plugging device %u into port %u.\n", device, port);
+}
+
+void retro_get_system_info(struct retro_system_info *info)
+{
+   memset(info, 0, sizeof(*info));
+   info->library_name     = "TeamPandory - SCUMMVM VCore";
+   info->library_version  = "2.7.1";
+   info->need_fullpath    = true;
+   info->valid_extensions = "scummvm";
+}
+
+static retro_video_refresh_t video_cb;
+static retro_audio_sample_t audio_cb;
+static retro_audio_sample_batch_t audio_batch_cb;
+static retro_environment_t environ_cb;
+static retro_input_poll_t input_poll_cb;
+static retro_input_state_t input_state_cb;
+
+void retro_get_system_av_info(struct retro_system_av_info *info)
+{
+   float aspect = 4.0f / 3.0f;
+   float sampling_rate = 30000.0f;
+
+   info->timing = (struct retro_system_timing) {
+      .fps = 60.0,
+      .sample_rate = sampling_rate,
+   };
+
+   info->geometry = (struct retro_game_geometry) {
+      .base_width   = 320,
+      .base_height  = 240,
+      .max_width    = 320,
+      .max_height   = 240,
+      .aspect_ratio = aspect,
+   };
+}
+
+void retro_set_environment(retro_environment_t cb)
+{
+   environ_cb = cb;
+
+   bool no_content = true;
+   cb(RETRO_ENVIRONMENT_SET_SUPPORT_NO_GAME, &no_content);
+
+   if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
+      log_cb = logging.log;
+   else
+      log_cb = fallback_log;
+}
+
+void retro_set_audio_sample(retro_audio_sample_t cb)
+{
+   audio_cb = cb;
+}
+
+void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb)
+{
+   audio_batch_cb = cb;
+}
+
+void retro_set_input_poll(retro_input_poll_t cb)
+{
+   input_poll_cb = cb;
+}
+
+void retro_set_input_state(retro_input_state_t cb)
+{
+   input_state_cb = cb;
+}
+
+void retro_set_video_refresh(retro_video_refresh_t cb)
+{
+   video_cb = cb;
+}
+
+void retro_reset(void)
+{
+   // Nothing needs to happen when the game is reset.
+}
+
+/**
+ * libretro callback; Called every game tick.
+ *
+ * Once the core has run, we will attempt to exit, since Bash is done.
+ */
+void retro_run(void)
+{
+   // Clear the display.
+   unsigned stride = 320;
+   video_cb(frame_buf, 320, 240, stride << 2);
+
+   // Shutdown the environment now that Bash has loaded and quit.
+   environ_cb(RETRO_ENVIRONMENT_SHUTDOWN, NULL);
+}
+
+/**
+ * libretro callback; Called when a game is to be loaded.
+ */
+bool retro_load_game(const struct retro_game_info *info)
+{
+   char command[512] = "scummvm --auto-detect -p ";
+
+   // Check if there is content to load.
+   if (info != NULL && info->path != NULL && info->path[0] != '\0') {
+      sprintf(command, "%s \"%s\"", command, dirname(info->path));
+   }
+
+   // Run FFPlay.
+   return system(command) != -1;
+}
+
+void retro_unload_game(void)
+{
+   // Nothing needs to happen when the game unloads.
+}
+
+unsigned retro_get_region(void)
+{
+   return RETRO_REGION_NTSC;
+}
+
+bool retro_load_game_special(unsigned game_type, const struct retro_game_info *info, size_t num_info)
+{
+   return retro_load_game(info);
+}
+
+size_t retro_serialize_size(void)
+{
+   return 0;
+}
+
+bool retro_serialize(void *data_, size_t size)
+{
+   return true;
+}
+
+bool retro_unserialize(const void *data_, size_t size)
+{
+   return true;
+}
+
+void *retro_get_memory_data(unsigned id)
+{
+   (void)id;
+   return NULL;
+}
+
+size_t retro_get_memory_size(unsigned id)
+{
+   (void)id;
+   return 0;
+}
+
+void retro_cheat_reset(void)
+{
+   // Nothing.
+}
+
+void retro_cheat_set(unsigned index, bool enabled, const char *code)
+{
+   (void)index;
+   (void)enabled;
+   (void)code;
+}

link.T

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+{
+   global: retro_*;
+   local: *;
+};

teampandory_scummvm_vcore_libretro.info

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+display_name = "Team Pandory - SCUMMVM VCore"
+authors = "@dajoho & @emuchicken"
+supported_extensions = ".scummvm"
+corename = "Team Pandory - SCUMMVM Virtual Passthrough Core"
+manufacturer = "Linux"
+categories = "Emulator"
+systemname = "Game"
+database = "Game"
+license = "GPL"
+permissions = ""
+display_version = "2.7.1"
+smeupports_no_game = "true"