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backends/platform/libretro/include/libretro-defs.h

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+/* Copyright (C) 2023 Giovanni Cascione <ing.cascione@gmail.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef LIBRETRO_DEFS_H
+#define LIBRETRO_DEFS_H
+
+/* Workaround for a RetroArch audio driver
+ * limitation: a maximum of 1024 frames
+ * can be written per call of audio_batch_cb() */
+#define AUDIO_BATCH_FRAMES_MAX 1024
+
+// System analog stick range is -0x8000 to 0x8000
+#define ANALOG_RANGE 0x8000
+
+#define DEFAULT_SAMPLE_RATE         48000
+#define DEFAULT_REFRESH_RATE        60
+#define FRAMESKIP_MAX               DEFAULT_REFRESH_RATE / 2
+#define DEFAULT_SOUNDFONT_FILENAME  "Roland_SC-55.sf2"
+
+// Audio status
+#define AUDIO_STATUS_MUTE               (1 << 0)
+#define AUDIO_STATUS_UPDATE_LATENCY     (1 << 1)
+#define AV_STATUS_UPDATE_AV_INFO        (1 << 2)
+#define AV_STATUS_RESET_PENDING         (1 << 3)
+#define AV_STATUS_UPDATE_GEOMETRY       (1 << 4)
+#define AV_STATUS_UPDATE_GUI            (1 << 5)
+
+// Video status
+#define VIDEO_GRAPHIC_MODE_REQUEST_SW     (1 << 0)
+#define VIDEO_GRAPHIC_MODE_REQUEST_HW     (1 << 1)
+#define VIDEO_GRAPHIC_MODE_HAVE_OPENGL    (1 << 2)
+#define VIDEO_GRAPHIC_MODE_HAVE_OPENGLES2 (1 << 3)
+#define VIDEO_GRAPHIC_MODE_RESET_PENDING  (1 << 4)
+
+// Preliminary scan results
+#define TEST_GAME_OK_TARGET_FOUND        0
+#define TEST_GAME_OK_ID_FOUND            1
+#define TEST_GAME_OK_ID_AUTODETECTED     2
+#define TEST_GAME_KO_NOT_FOUND           3
+#define TEST_GAME_KO_MULTIPLE_RESULTS    4
+
+#ifndef F_OK
+#define F_OK 0
+#endif
+
+#ifndef W_OK
+#define W_OK 2
+#endif
+
+#ifndef R_OK
+#define R_OK 4
+#endif
+
+#endif