mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-05 15:08:27 +00:00
1047 lines
29 KiB
C
1047 lines
29 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2013 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "driver.h"
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#include "general.h"
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#include "file.h"
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include "compat/posix_string.h"
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#include "audio/utils.h"
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#include "audio/resampler.h"
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#include "gfx/thread_wrapper.h"
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#include "gfx/gfx_common.h"
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#ifdef HAVE_X11
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#include "gfx/context/x11_common.h"
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#endif
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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static const audio_driver_t *audio_drivers[] = {
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#ifdef HAVE_ALSA
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&audio_alsa,
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#ifndef __QNX__
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&audio_alsathread,
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#endif
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#endif
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#if defined(HAVE_OSS) || defined(HAVE_OSS_BSD)
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&audio_oss,
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#endif
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#ifdef HAVE_RSOUND
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&audio_rsound,
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#endif
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#ifdef HAVE_COREAUDIO
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&audio_coreaudio,
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#endif
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#ifdef HAVE_AL
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&audio_openal,
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#endif
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#ifdef HAVE_SL
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&audio_opensl,
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#endif
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#ifdef HAVE_ROAR
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&audio_roar,
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#endif
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#ifdef HAVE_JACK
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&audio_jack,
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#endif
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#ifdef HAVE_SDL
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&audio_sdl,
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#endif
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#ifdef HAVE_XAUDIO
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&audio_xa,
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#endif
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#ifdef HAVE_DSOUND
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&audio_dsound,
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#endif
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#ifdef HAVE_PULSE
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&audio_pulse,
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#endif
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#ifdef __CELLOS_LV2__
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&audio_ps3,
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#endif
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#ifdef XENON
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&audio_xenon360,
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#endif
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#ifdef GEKKO
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&audio_gx,
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#endif
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#ifdef HAVE_NULLAUDIO
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&audio_null,
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#endif
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};
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static const video_driver_t *video_drivers[] = {
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#ifdef HAVE_OPENGL
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&video_gl,
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#endif
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#ifdef XENON
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&video_xenon360,
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#endif
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#if defined(_XBOX) && (defined(HAVE_D3D8) || defined(HAVE_D3D9))
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&video_xdk_d3d,
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#endif
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#if defined(HAVE_WIN32_D3D9)
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&video_d3d9,
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#endif
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#ifdef SN_TARGET_PSP2
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&video_vita,
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#endif
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//#ifdef PSP
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//&video_psp1,
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//#endif
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#ifdef HAVE_SDL
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&video_sdl,
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#endif
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#ifdef HAVE_XVIDEO
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&video_xvideo,
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#endif
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#ifdef GEKKO
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&video_gx,
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#endif
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#ifdef HAVE_VG
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&video_vg,
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#endif
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#ifdef HAVE_NULLVIDEO
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&video_null,
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#endif
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};
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static const input_driver_t *input_drivers[] = {
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#ifdef __CELLOS_LV2__
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&input_ps3,
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#endif
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#if defined(SN_TARGET_PSP2) || defined(PSP)
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&input_psp,
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#endif
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#ifdef HAVE_SDL
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&input_sdl,
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#endif
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#ifdef HAVE_DINPUT
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&input_dinput,
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#endif
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#ifdef HAVE_X11
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&input_x,
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#endif
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#ifdef XENON
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&input_xenon360,
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#endif
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#if defined(HAVE_XINPUT2) || defined(HAVE_XINPUT_XBOX1)
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&input_xinput,
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#endif
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#ifdef GEKKO
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&input_gx,
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#endif
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#ifdef ANDROID
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&input_android,
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#endif
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#if defined(__linux__) && !defined(ANDROID)
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&input_linuxraw,
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#endif
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#if defined(IOS) || defined(OSX) //< Don't use __APPLE__ as it breaks basic SDL builds
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&input_apple,
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#endif
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#ifdef __BLACKBERRY_QNX__
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&input_qnx,
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#endif
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#ifdef HAVE_NULLINPUT
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&input_null,
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#endif
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};
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static void find_audio_driver(void)
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{
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for (unsigned i = 0; i < ARRAY_SIZE(audio_drivers); i++)
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{
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if (strcasecmp(g_settings.audio.driver, audio_drivers[i]->ident) == 0)
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{
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driver.audio = audio_drivers[i];
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return;
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}
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}
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RARCH_ERR("Couldn't find any audio driver named \"%s\"\n", g_settings.audio.driver);
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RARCH_LOG_OUTPUT("Available audio drivers are:\n");
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for (size_t i = 0; i < ARRAY_SIZE(audio_drivers); i++)
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RARCH_LOG_OUTPUT("\t%s\n", audio_drivers[i]->ident);
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rarch_fail(1, "find_audio_driver()");
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}
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static void find_video_driver(void)
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{
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for (unsigned i = 0; i < ARRAY_SIZE(video_drivers); i++)
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{
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if (strcasecmp(g_settings.video.driver, video_drivers[i]->ident) == 0)
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{
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driver.video = video_drivers[i];
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return;
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}
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}
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RARCH_ERR("Couldn't find any video driver named \"%s\"\n", g_settings.video.driver);
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RARCH_LOG_OUTPUT("Available video drivers are:\n");
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for (size_t i = 0; i < ARRAY_SIZE(video_drivers); i++)
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RARCH_LOG_OUTPUT("\t%s\n", video_drivers[i]->ident);
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rarch_fail(1, "find_video_driver()");
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}
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static void find_input_driver(void)
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{
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for (unsigned i = 0; i < ARRAY_SIZE(input_drivers); i++)
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{
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if (strcasecmp(g_settings.input.driver, input_drivers[i]->ident) == 0)
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{
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driver.input = input_drivers[i];
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return;
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}
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}
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RARCH_ERR("Couldn't find any input driver named \"%s\"\n", g_settings.input.driver);
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RARCH_LOG_OUTPUT("Available input drivers are:\n");
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for (size_t i = 0; i < ARRAY_SIZE(input_drivers); i++)
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RARCH_LOG_OUTPUT("\t%s\n", input_drivers[i]->ident);
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rarch_fail(1, "find_input_driver()");
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}
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void init_drivers_pre(void)
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{
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find_audio_driver();
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find_video_driver();
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find_input_driver();
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}
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static void adjust_system_rates(void)
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{
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g_extern.system.force_nonblock = false;
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const struct retro_system_timing *info = &g_extern.system.av_info.timing;
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if (info->fps <= 0.0 || info->sample_rate <= 0.0)
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return;
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float timing_skew = fabs(1.0f - info->fps / g_settings.video.refresh_rate);
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if (timing_skew > 0.05f) // We don't want to adjust pitch too much. If we have extreme cases, just don't readjust at all.
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{
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RARCH_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n",
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g_settings.video.refresh_rate,
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(float)info->fps);
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// We won't be able to do VSync reliably as game FPS > monitor FPS.
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if (info->fps > g_settings.video.refresh_rate)
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{
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g_extern.system.force_nonblock = true;
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RARCH_LOG("Game FPS > Monitor FPS. Cannot rely on VSync.\n");
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}
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g_settings.audio.in_rate = info->sample_rate;
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}
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else
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g_settings.audio.in_rate = info->sample_rate *
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(g_settings.video.refresh_rate / info->fps);
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RARCH_LOG("Set audio input rate to: %.2f Hz.\n", g_settings.audio.in_rate);
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if (driver.video_data)
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{
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if (g_extern.system.force_nonblock)
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video_set_nonblock_state_func(true);
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else
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driver_set_nonblock_state(driver.nonblock_state);
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}
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}
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void driver_set_monitor_refresh_rate(float hz)
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{
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char msg[256];
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snprintf(msg, sizeof(msg), "Setting refresh rate to: %.3f Hz.", hz);
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msg_queue_push(g_extern.msg_queue, msg, 1, 180);
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RARCH_LOG("%s\n", msg);
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g_settings.video.refresh_rate = hz;
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adjust_system_rates();
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g_extern.audio_data.orig_src_ratio =
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g_extern.audio_data.src_ratio =
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(double)g_settings.audio.out_rate / g_settings.audio.in_rate;
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}
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void driver_set_nonblock_state(bool nonblock)
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{
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// Only apply non-block-state for video if we're using vsync.
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if (g_extern.video_active && driver.video_data)
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{
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bool video_nb = nonblock;
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if (!g_settings.video.vsync || g_extern.system.force_nonblock)
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video_nb = true;
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video_set_nonblock_state_func(video_nb);
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}
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if (g_extern.audio_active && driver.audio_data)
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audio_set_nonblock_state_func(g_settings.audio.sync ? nonblock : true);
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g_extern.audio_data.chunk_size = nonblock ?
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g_extern.audio_data.nonblock_chunk_size : g_extern.audio_data.block_chunk_size;
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}
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uintptr_t driver_get_current_framebuffer(void)
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{
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#ifdef HAVE_FBO
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if (driver.video_poke && driver.video_poke->get_current_framebuffer)
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return driver.video_poke->get_current_framebuffer(driver.video_data);
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else
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#endif
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return 0;
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}
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retro_proc_address_t driver_get_proc_address(const char *sym)
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{
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#ifdef HAVE_FBO
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if (driver.video_poke && driver.video_poke->get_proc_address)
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return driver.video_poke->get_proc_address(driver.video_data, sym);
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else
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#endif
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return NULL;
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}
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// Only called once on init and deinit.
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// Video and input drivers need to be active (owned)
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// before retroarch core starts.
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// Core handles audio.
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// FIXME - start() and stop() can't be ifdeffable with
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// RARCH_CONSOLE since more systems now need similar functionality
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void global_init_drivers(void)
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{
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init_drivers_pre(); // Set driver.* function callbacks.
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#if defined(HAVE_RGUI) || defined(HAVE_RMENU)
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driver.video->start(); // Statically starts video driver. Sets driver.video_data.
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#endif
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driver.input_data = driver.input->init();
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#ifdef HAVE_OVERLAY
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if (*g_settings.input.overlay)
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{
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driver.overlay = input_overlay_new(g_settings.input.overlay);
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if (!driver.overlay)
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RARCH_ERR("Failed to load overlay.\n");
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}
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#endif
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}
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void global_uninit_drivers(void)
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{
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if (driver.video_data)
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{
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driver.video_data = NULL;
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}
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if (driver.input_data)
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{
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driver.input->free(NULL);
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driver.input_data = NULL;
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}
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}
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void init_drivers(void)
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{
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driver.video_data_own = !driver.video_data;
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driver.audio_data_own = !driver.audio_data;
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driver.input_data_own = !driver.input_data;
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adjust_system_rates();
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g_extern.frame_count = 0;
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init_video_input();
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if (g_extern.system.hw_render_callback.context_reset)
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g_extern.system.hw_render_callback.context_reset();
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init_audio();
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// Keep non-throttled state as good as possible.
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if (driver.nonblock_state)
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driver_set_nonblock_state(driver.nonblock_state);
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}
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void uninit_drivers(void)
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{
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uninit_audio();
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uninit_video_input();
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if (driver.video_data_own)
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driver.video_data = NULL;
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if (driver.audio_data_own)
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driver.audio_data = NULL;
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if (driver.input_data_own)
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driver.input_data = NULL;
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driver.video_data_own = false;
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driver.audio_data_own = false;
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driver.input_data_own = false;
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}
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#ifdef HAVE_DYLIB
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static void init_dsp_plugin(void)
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{
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if (!(*g_settings.audio.dsp_plugin))
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return;
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rarch_dsp_info_t info = {0};
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g_extern.audio_data.dsp_lib = dylib_load(g_settings.audio.dsp_plugin);
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if (!g_extern.audio_data.dsp_lib)
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{
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RARCH_ERR("Failed to open DSP plugin: \"%s\" ...\n", g_settings.audio.dsp_plugin);
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return;
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}
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const rarch_dsp_plugin_t* (RARCH_API_CALLTYPE *plugin_init)(void) =
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(const rarch_dsp_plugin_t *(RARCH_API_CALLTYPE*)(void))dylib_proc(g_extern.audio_data.dsp_lib, "rarch_dsp_plugin_init");
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if (!plugin_init)
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{
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RARCH_ERR("Failed to find symbol \"rarch_dsp_plugin_init\" in DSP plugin.\n");
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goto error;
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}
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g_extern.audio_data.dsp_plugin = plugin_init();
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if (!g_extern.audio_data.dsp_plugin)
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{
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RARCH_ERR("Failed to get a valid DSP plugin.\n");
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goto error;
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}
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if (g_extern.audio_data.dsp_plugin->api_version != RARCH_DSP_API_VERSION)
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{
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RARCH_ERR("DSP plugin API mismatch. RetroArch: %d, Plugin: %d\n", RARCH_DSP_API_VERSION, g_extern.audio_data.dsp_plugin->api_version);
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goto error;
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}
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RARCH_LOG("Loaded DSP plugin: \"%s\"\n", g_extern.audio_data.dsp_plugin->ident ? g_extern.audio_data.dsp_plugin->ident : "Unknown");
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info.input_rate = g_settings.audio.in_rate;
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g_extern.audio_data.dsp_handle = g_extern.audio_data.dsp_plugin->init(&info);
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if (!g_extern.audio_data.dsp_handle)
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{
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RARCH_ERR("Failed to init DSP plugin.\n");
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goto error;
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}
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return;
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error:
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if (g_extern.audio_data.dsp_lib)
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dylib_close(g_extern.audio_data.dsp_lib);
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g_extern.audio_data.dsp_plugin = NULL;
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g_extern.audio_data.dsp_lib = NULL;
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}
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static void deinit_dsp_plugin(void)
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{
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if (g_extern.audio_data.dsp_lib && g_extern.audio_data.dsp_plugin)
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{
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g_extern.audio_data.dsp_plugin->free(g_extern.audio_data.dsp_handle);
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dylib_close(g_extern.audio_data.dsp_lib);
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}
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}
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#endif
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void init_audio(void)
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{
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audio_convert_init_simd();
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// Resource leaks will follow if audio is initialized twice.
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if (driver.audio_data)
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return;
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// Accomodate rewind since at some point we might have two full buffers.
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size_t max_bufsamples = AUDIO_CHUNK_SIZE_NONBLOCKING * 2;
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size_t outsamples_max = max_bufsamples * AUDIO_MAX_RATIO * g_settings.slowmotion_ratio;
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// Used for recording even if audio isn't enabled.
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rarch_assert(g_extern.audio_data.conv_outsamples = (int16_t*)malloc(outsamples_max * sizeof(int16_t)));
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g_extern.audio_data.block_chunk_size = AUDIO_CHUNK_SIZE_BLOCKING;
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g_extern.audio_data.nonblock_chunk_size = AUDIO_CHUNK_SIZE_NONBLOCKING;
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g_extern.audio_data.chunk_size = g_extern.audio_data.block_chunk_size;
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// Needs to be able to hold full content of a full max_bufsamples in addition to its own.
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rarch_assert(g_extern.audio_data.rewind_buf = (int16_t*)malloc(max_bufsamples * sizeof(int16_t)));
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g_extern.audio_data.rewind_size = max_bufsamples;
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if (!g_settings.audio.enable)
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{
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g_extern.audio_active = false;
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return;
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}
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|
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driver.audio_data = audio_init_func(*g_settings.audio.device ? g_settings.audio.device : NULL,
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g_settings.audio.out_rate, g_settings.audio.latency);
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|
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if (!driver.audio_data)
|
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{
|
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RARCH_ERR("Failed to initialize audio driver. Will continue without audio.\n");
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g_extern.audio_active = false;
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}
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|
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if (g_extern.audio_active && driver.audio->use_float && audio_use_float_func())
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g_extern.audio_data.use_float = true;
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|
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if (!g_settings.audio.sync && g_extern.audio_active)
|
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{
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audio_set_nonblock_state_func(true);
|
|
g_extern.audio_data.chunk_size = g_extern.audio_data.nonblock_chunk_size;
|
|
}
|
|
|
|
g_extern.audio_data.orig_src_ratio =
|
|
g_extern.audio_data.src_ratio =
|
|
(double)g_settings.audio.out_rate / g_settings.audio.in_rate;
|
|
|
|
const char *resampler = *g_settings.audio.resampler ? g_settings.audio.resampler : NULL;
|
|
if (!rarch_resampler_realloc(&g_extern.audio_data.resampler_data, &g_extern.audio_data.resampler,
|
|
resampler, g_extern.audio_data.orig_src_ratio))
|
|
{
|
|
RARCH_ERR("Failed to initialize resampler \"%s\".\n", resampler ? resampler : "(default)");
|
|
g_extern.audio_active = false;
|
|
}
|
|
|
|
rarch_assert(g_extern.audio_data.data = (float*)malloc(max_bufsamples * sizeof(float)));
|
|
|
|
g_extern.audio_data.data_ptr = 0;
|
|
|
|
rarch_assert(g_settings.audio.out_rate < g_settings.audio.in_rate * AUDIO_MAX_RATIO);
|
|
rarch_assert(g_extern.audio_data.outsamples = (float*)malloc(outsamples_max * sizeof(float)));
|
|
|
|
if (g_extern.audio_active && g_settings.audio.rate_control)
|
|
{
|
|
if (driver.audio->buffer_size && driver.audio->write_avail)
|
|
{
|
|
g_extern.audio_data.driver_buffer_size = audio_buffer_size_func();
|
|
g_extern.audio_data.rate_control = true;
|
|
}
|
|
else
|
|
RARCH_WARN("Audio rate control was desired, but driver does not support needed features.\n");
|
|
}
|
|
|
|
g_extern.audio_data.volume_db = g_settings.audio.volume;
|
|
g_extern.audio_data.volume_gain = db_to_gain(g_settings.audio.volume);
|
|
|
|
#ifdef HAVE_DYLIB
|
|
init_dsp_plugin();
|
|
#endif
|
|
|
|
g_extern.measure_data.buffer_free_samples_count = 0;
|
|
}
|
|
|
|
static void compute_audio_buffer_statistics(void)
|
|
{
|
|
unsigned samples = min(g_extern.measure_data.buffer_free_samples_count, AUDIO_BUFFER_FREE_SAMPLES_COUNT);
|
|
if (samples < 3)
|
|
return;
|
|
|
|
uint64_t accum = 0;
|
|
for (unsigned i = 1; i < samples; i++)
|
|
accum += g_extern.measure_data.buffer_free_samples[i];
|
|
|
|
int avg = accum / (samples - 1);
|
|
|
|
uint64_t accum_var = 0;
|
|
for (unsigned i = 1; i < samples; i++)
|
|
{
|
|
int diff = avg - g_extern.measure_data.buffer_free_samples[i];
|
|
accum_var += diff * diff;
|
|
}
|
|
|
|
unsigned stddev = (unsigned)sqrt((double)accum_var / (samples - 2));
|
|
|
|
float avg_filled = 1.0f - (float)avg / g_extern.audio_data.driver_buffer_size;
|
|
float deviation = (float)stddev / g_extern.audio_data.driver_buffer_size;
|
|
|
|
unsigned low_water_size = g_extern.audio_data.driver_buffer_size * 3 / 4;
|
|
unsigned high_water_size = g_extern.audio_data.driver_buffer_size / 4;
|
|
|
|
unsigned low_water_count = 0;
|
|
unsigned high_water_count = 0;
|
|
for (unsigned i = 1; i < samples; i++)
|
|
{
|
|
if (g_extern.measure_data.buffer_free_samples[i] >= low_water_size)
|
|
low_water_count++;
|
|
else if (g_extern.measure_data.buffer_free_samples[i] <= high_water_size)
|
|
high_water_count++;
|
|
}
|
|
|
|
RARCH_LOG("Average audio buffer saturation: %.2f %%, standard deviation (percentage points): %.2f %%.\n",
|
|
avg_filled * 100.0, deviation * 100.0);
|
|
RARCH_LOG("Amount of time spent close to underrun: %.2f %%. Close to blocking: %.2f %%.\n",
|
|
(100.0 * low_water_count) / (samples - 1),
|
|
(100.0 * high_water_count) / (samples - 1));
|
|
}
|
|
|
|
bool driver_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points)
|
|
{
|
|
if (g_settings.video.threaded)
|
|
{
|
|
RARCH_LOG("Monitor FPS estimation is disabled for threaded video.\n");
|
|
return false;
|
|
}
|
|
|
|
unsigned samples = min(MEASURE_FRAME_TIME_SAMPLES_COUNT, g_extern.measure_data.frame_time_samples_count);
|
|
if (samples < 2)
|
|
return false;
|
|
|
|
// Measure statistics on frame time (microsecs), *not* FPS.
|
|
rarch_time_t accum = 0;
|
|
for (unsigned i = 0; i < samples; i++)
|
|
accum += g_extern.measure_data.frame_time_samples[i];
|
|
|
|
#if 0
|
|
for (unsigned i = 0; i < samples; i++)
|
|
RARCH_LOG("Interval #%u: %d usec / frame.\n",
|
|
i, (int)g_extern.measure_data.frame_time_samples[i]);
|
|
#endif
|
|
|
|
rarch_time_t avg = accum / samples;
|
|
rarch_time_t accum_var = 0;
|
|
|
|
// Drop first measurement. It is likely to be bad.
|
|
for (unsigned i = 0; i < samples; i++)
|
|
{
|
|
rarch_time_t diff = g_extern.measure_data.frame_time_samples[i] - avg;
|
|
accum_var += diff * diff;
|
|
}
|
|
|
|
*deviation = sqrt((double)accum_var / (samples - 1)) / avg;
|
|
*refresh_rate = 1000000.0 / avg;
|
|
*sample_points = samples;
|
|
|
|
return true;
|
|
}
|
|
|
|
static void compute_monitor_fps_statistics(void)
|
|
{
|
|
if (g_extern.measure_data.frame_time_samples_count < 2 * MEASURE_FRAME_TIME_SAMPLES_COUNT)
|
|
{
|
|
RARCH_LOG("Does not have enough samples for monitor refresh rate estimation. Requires to run for at least %u frames.\n",
|
|
2 * MEASURE_FRAME_TIME_SAMPLES_COUNT);
|
|
return;
|
|
}
|
|
|
|
double avg_fps = 0.0;
|
|
double stddev = 0.0;
|
|
unsigned samples = 0;
|
|
if (driver_monitor_fps_statistics(&avg_fps, &stddev, &samples))
|
|
{
|
|
RARCH_LOG("Average monitor Hz: %.6f Hz. (%.3f %% frame time deviation, based on %u last samples).\n",
|
|
avg_fps, 100.0 * stddev, samples);
|
|
}
|
|
}
|
|
|
|
void uninit_audio(void)
|
|
{
|
|
free(g_extern.audio_data.conv_outsamples);
|
|
g_extern.audio_data.conv_outsamples = NULL;
|
|
g_extern.audio_data.data_ptr = 0;
|
|
|
|
free(g_extern.audio_data.rewind_buf);
|
|
g_extern.audio_data.rewind_buf = NULL;
|
|
|
|
if (!g_settings.audio.enable)
|
|
{
|
|
g_extern.audio_active = false;
|
|
return;
|
|
}
|
|
|
|
if (driver.audio_data && driver.audio)
|
|
driver.audio->free(driver.audio_data);
|
|
|
|
rarch_resampler_freep(&g_extern.audio_data.resampler, &g_extern.audio_data.resampler_data);
|
|
|
|
free(g_extern.audio_data.data);
|
|
g_extern.audio_data.data = NULL;
|
|
|
|
free(g_extern.audio_data.outsamples);
|
|
g_extern.audio_data.outsamples = NULL;
|
|
|
|
#ifdef HAVE_DYLIB
|
|
deinit_dsp_plugin();
|
|
#endif
|
|
|
|
compute_audio_buffer_statistics();
|
|
}
|
|
|
|
#ifdef HAVE_DYLIB
|
|
static void deinit_filter(void)
|
|
{
|
|
g_extern.filter.active = false;
|
|
|
|
if (g_extern.filter.lib)
|
|
dylib_close(g_extern.filter.lib);
|
|
g_extern.filter.lib = NULL;
|
|
|
|
free(g_extern.filter.buffer);
|
|
free(g_extern.filter.colormap);
|
|
free(g_extern.filter.scaler_out);
|
|
g_extern.filter.buffer = NULL;
|
|
g_extern.filter.colormap = NULL;
|
|
g_extern.filter.scaler_out = NULL;
|
|
|
|
scaler_ctx_gen_reset(&g_extern.filter.scaler);
|
|
memset(&g_extern.filter.scaler, 0, sizeof(g_extern.filter.scaler));
|
|
}
|
|
|
|
static void init_filter(bool rgb32)
|
|
{
|
|
if (g_extern.filter.active)
|
|
return;
|
|
if (!*g_settings.video.filter_path)
|
|
return;
|
|
|
|
if (g_extern.system.hw_render_callback.context_type)
|
|
{
|
|
RARCH_WARN("Cannot use CPU filters when hardware rendering is used.\n");
|
|
return;
|
|
}
|
|
|
|
RARCH_LOG("Loading bSNES filter from \"%s\"\n", g_settings.video.filter_path);
|
|
g_extern.filter.lib = dylib_load(g_settings.video.filter_path);
|
|
if (!g_extern.filter.lib)
|
|
{
|
|
RARCH_ERR("Failed to load filter \"%s\"\n", g_settings.video.filter_path);
|
|
return;
|
|
}
|
|
|
|
struct retro_game_geometry *geom = &g_extern.system.av_info.geometry;
|
|
unsigned width = geom->max_width;
|
|
unsigned height = geom->max_height;
|
|
unsigned pow2_x = 0;
|
|
unsigned pow2_y = 0;
|
|
unsigned maxsize = 0;
|
|
|
|
g_extern.filter.psize =
|
|
(void (*)(unsigned*, unsigned*))dylib_proc(g_extern.filter.lib, "filter_size");
|
|
g_extern.filter.prender =
|
|
(void (*)(uint32_t*, uint32_t*,
|
|
unsigned, const uint16_t*,
|
|
unsigned, unsigned, unsigned))dylib_proc(g_extern.filter.lib, "filter_render");
|
|
|
|
if (!g_extern.filter.psize || !g_extern.filter.prender)
|
|
{
|
|
RARCH_ERR("Failed to find functions in filter...\n");
|
|
goto error;
|
|
}
|
|
|
|
g_extern.filter.active = true;
|
|
g_extern.filter.psize(&width, &height);
|
|
|
|
pow2_x = next_pow2(width);
|
|
pow2_y = next_pow2(height);
|
|
maxsize = pow2_x > pow2_y ? pow2_x : pow2_y;
|
|
g_extern.filter.scale = maxsize / RARCH_SCALE_BASE;
|
|
|
|
g_extern.filter.buffer = (uint32_t*)malloc(RARCH_SCALE_BASE * RARCH_SCALE_BASE *
|
|
g_extern.filter.scale * g_extern.filter.scale * sizeof(uint32_t));
|
|
if (!g_extern.filter.buffer)
|
|
goto error;
|
|
|
|
g_extern.filter.pitch = RARCH_SCALE_BASE * g_extern.filter.scale * sizeof(uint32_t);
|
|
|
|
g_extern.filter.colormap = (uint32_t*)malloc(0x10000 * sizeof(uint32_t));
|
|
if (!g_extern.filter.colormap)
|
|
goto error;
|
|
|
|
// Set up conversion map from 16-bit XRGB1555 to 32-bit ARGB.
|
|
for (unsigned i = 0; i < 0x10000; i++)
|
|
{
|
|
unsigned r = (i >> 10) & 0x1f;
|
|
unsigned g = (i >> 5) & 0x1f;
|
|
unsigned b = (i >> 0) & 0x1f;
|
|
|
|
r = (r << 3) | (r >> 2);
|
|
g = (g << 3) | (g >> 2);
|
|
b = (b << 3) | (b >> 2);
|
|
g_extern.filter.colormap[i] = (r << 16) | (g << 8) | (b << 0);
|
|
}
|
|
|
|
g_extern.filter.scaler_out = (uint16_t*)malloc(sizeof(uint16_t) * geom->max_width * geom->max_height);
|
|
if (!g_extern.filter.scaler_out)
|
|
goto error;
|
|
|
|
g_extern.filter.scaler.scaler_type = SCALER_TYPE_POINT;
|
|
g_extern.filter.scaler.in_fmt = rgb32 ? SCALER_FMT_ARGB8888 : SCALER_FMT_RGB565;
|
|
g_extern.filter.scaler.out_fmt = SCALER_FMT_0RGB1555;
|
|
|
|
if (!scaler_ctx_gen_filter(&g_extern.filter.scaler))
|
|
goto error;
|
|
|
|
return;
|
|
|
|
error:
|
|
RARCH_ERR("CPU filter init failed.\n");
|
|
deinit_filter();
|
|
}
|
|
#endif
|
|
|
|
static void deinit_shader_dir(void)
|
|
{
|
|
// It handles NULL, no worries :D
|
|
dir_list_free(g_extern.shader_dir.list);
|
|
g_extern.shader_dir.list = NULL;
|
|
g_extern.shader_dir.ptr = 0;
|
|
}
|
|
|
|
static void init_shader_dir(void)
|
|
{
|
|
if (!*g_settings.video.shader_dir)
|
|
return;
|
|
|
|
g_extern.shader_dir.list = dir_list_new(g_settings.video.shader_dir, "shader|cg|cgp|glsl|glslp", false);
|
|
if (!g_extern.shader_dir.list || g_extern.shader_dir.list->size == 0)
|
|
{
|
|
deinit_shader_dir();
|
|
return;
|
|
}
|
|
|
|
g_extern.shader_dir.ptr = 0;
|
|
dir_list_sort(g_extern.shader_dir.list, false);
|
|
|
|
for (unsigned i = 0; i < g_extern.shader_dir.list->size; i++)
|
|
RARCH_LOG("Found shader \"%s\"\n", g_extern.shader_dir.list->elems[i].data);
|
|
}
|
|
|
|
static void deinit_pixel_converter(void)
|
|
{
|
|
scaler_ctx_gen_reset(&driver.scaler);
|
|
memset(&driver.scaler, 0, sizeof(driver.scaler));
|
|
free(driver.scaler_out);
|
|
driver.scaler_out = NULL;
|
|
}
|
|
|
|
static bool init_video_pixel_converter(unsigned size)
|
|
{
|
|
// This function can be called multiple times without deiniting first on consoles.
|
|
deinit_pixel_converter();
|
|
|
|
if (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555)
|
|
{
|
|
RARCH_WARN("0RGB1555 pixel format is deprecated, and will be slower. For 15/16-bit, RGB565 format is preferred.\n");
|
|
|
|
driver.scaler.scaler_type = SCALER_TYPE_POINT;
|
|
driver.scaler.in_fmt = SCALER_FMT_0RGB1555;
|
|
|
|
// TODO: Pick either ARGB8888 or RGB565 depending on driver ...
|
|
driver.scaler.out_fmt = SCALER_FMT_RGB565;
|
|
|
|
if (!scaler_ctx_gen_filter(&driver.scaler))
|
|
return false;
|
|
|
|
driver.scaler_out = calloc(sizeof(uint16_t), size * size);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void init_video_input(void)
|
|
{
|
|
#ifdef HAVE_DYLIB
|
|
init_filter(g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
|
|
#endif
|
|
|
|
init_shader_dir();
|
|
|
|
const struct retro_game_geometry *geom = &g_extern.system.av_info.geometry;
|
|
unsigned max_dim = max(geom->max_width, geom->max_height);
|
|
unsigned scale = next_pow2(max_dim) / RARCH_SCALE_BASE;
|
|
scale = max(scale, 1);
|
|
|
|
if (g_extern.filter.active)
|
|
scale = g_extern.filter.scale;
|
|
|
|
g_extern.system.aspect_ratio = g_settings.video.aspect_ratio;
|
|
|
|
if (g_extern.system.aspect_ratio < 0.0f)
|
|
{
|
|
if (geom->aspect_ratio > 0.0f && g_settings.video.aspect_ratio_auto)
|
|
g_extern.system.aspect_ratio = geom->aspect_ratio;
|
|
else
|
|
g_extern.system.aspect_ratio = (float)geom->base_width / geom->base_height; // 1:1 PAR.
|
|
|
|
RARCH_LOG("Adjusting aspect ratio to %.2f\n", g_extern.system.aspect_ratio);
|
|
}
|
|
|
|
unsigned width;
|
|
unsigned height;
|
|
if (g_settings.video.fullscreen)
|
|
{
|
|
width = g_settings.video.fullscreen_x;
|
|
height = g_settings.video.fullscreen_y;
|
|
}
|
|
else
|
|
{
|
|
if (g_settings.video.force_aspect)
|
|
{
|
|
unsigned base_width = roundf(geom->base_height * g_extern.system.aspect_ratio); // Do rounding here to simplify integer scale correctness.
|
|
width = roundf(base_width * g_settings.video.xscale);
|
|
height = roundf(geom->base_height * g_settings.video.yscale);
|
|
}
|
|
else
|
|
{
|
|
width = roundf(geom->base_width * g_settings.video.xscale);
|
|
height = roundf(geom->base_height * g_settings.video.yscale);
|
|
}
|
|
}
|
|
|
|
if (width && height)
|
|
RARCH_LOG("Video @ %ux%u\n", width, height);
|
|
else
|
|
RARCH_LOG("Video @ fullscreen\n");
|
|
|
|
driver.display_type = RARCH_DISPLAY_NONE;
|
|
driver.video_display = 0;
|
|
driver.video_window = 0;
|
|
|
|
if (!init_video_pixel_converter(RARCH_SCALE_BASE * scale))
|
|
{
|
|
RARCH_ERR("Failed to init pixel converter.\n");
|
|
rarch_fail(1, "init_video_input()");
|
|
}
|
|
|
|
video_info_t video = {0};
|
|
video.width = width;
|
|
video.height = height;
|
|
video.fullscreen = g_settings.video.fullscreen;
|
|
video.vsync = g_settings.video.vsync && !g_extern.system.force_nonblock;
|
|
video.force_aspect = g_settings.video.force_aspect;
|
|
video.smooth = g_settings.video.smooth;
|
|
video.input_scale = scale;
|
|
video.rgb32 = g_extern.filter.active || (g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
|
|
|
|
const input_driver_t *tmp = driver.input;
|
|
#ifdef HAVE_THREADS
|
|
if (g_settings.video.threaded && !g_extern.system.hw_render_callback.context_type) // Can't do hardware rendering with threaded driver currently.
|
|
{
|
|
find_video_driver(); // Need to grab the "real" video driver interface on a reinit.
|
|
RARCH_LOG("Starting threaded video driver ...\n");
|
|
if (!rarch_threaded_video_init(&driver.video, &driver.video_data,
|
|
&driver.input, &driver.input_data,
|
|
driver.video, &video))
|
|
{
|
|
RARCH_ERR("Cannot open threaded video driver ... Exiting ...\n");
|
|
rarch_fail(1, "init_video_input()");
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
driver.video_data = video_init_func(&video, &driver.input, &driver.input_data);
|
|
|
|
if (driver.video_data == NULL)
|
|
{
|
|
RARCH_ERR("Cannot open video driver ... Exiting ...\n");
|
|
rarch_fail(1, "init_video_input()");
|
|
}
|
|
|
|
driver.video_poke = NULL;
|
|
if (driver.video->poke_interface)
|
|
driver.video->poke_interface(driver.video_data, &driver.video_poke);
|
|
|
|
if (driver.video->set_rotation && g_extern.system.rotation)
|
|
video_set_rotation_func(g_extern.system.rotation);
|
|
|
|
if (driver.video_poke && driver.video_poke->set_aspect_ratio &&
|
|
g_settings.video.aspect_ratio_idx != ASPECT_RATIO_CONFIG)
|
|
driver.video_poke->set_aspect_ratio(driver.video_data, g_settings.video.aspect_ratio_idx);
|
|
|
|
#ifdef HAVE_X11
|
|
if (driver.display_type == RARCH_DISPLAY_X11)
|
|
{
|
|
RARCH_LOG("Suspending screensaver (X11).\n");
|
|
x11_suspend_screensaver(driver.video_window);
|
|
}
|
|
#endif
|
|
|
|
// Video driver didn't provide an input driver so we use configured one.
|
|
if (driver.input == NULL)
|
|
{
|
|
RARCH_LOG("Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n");
|
|
driver.input = tmp;
|
|
if (driver.input != NULL)
|
|
{
|
|
driver.input_data = input_init_func();
|
|
if (driver.input_data == NULL)
|
|
{
|
|
RARCH_ERR("Cannot init input driver. Exiting ...\n");
|
|
rarch_fail(1, "init_video_input()");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
RARCH_ERR("Cannot find input driver. Exiting ...\n");
|
|
rarch_fail(1, "init_video_input()");
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_OVERLAY
|
|
if (driver.overlay)
|
|
{
|
|
input_overlay_free(driver.overlay);
|
|
driver.overlay = NULL;
|
|
}
|
|
|
|
if (*g_settings.input.overlay)
|
|
{
|
|
driver.overlay = input_overlay_new(g_settings.input.overlay);
|
|
if (!driver.overlay)
|
|
RARCH_ERR("Failed to load overlay.\n");
|
|
}
|
|
#endif
|
|
|
|
g_extern.measure_data.frame_time_samples_count = 0;
|
|
}
|
|
|
|
void uninit_video_input(void)
|
|
{
|
|
#ifdef HAVE_OVERLAY
|
|
if (driver.overlay)
|
|
{
|
|
input_overlay_free(driver.overlay);
|
|
driver.overlay = NULL;
|
|
driver.overlay_state = 0;
|
|
}
|
|
#endif
|
|
|
|
if (driver.input_data != driver.video_data && driver.input)
|
|
input_free_func();
|
|
|
|
if (driver.video_data && driver.video)
|
|
video_free_func();
|
|
|
|
deinit_pixel_converter();
|
|
|
|
#ifdef HAVE_DYLIB
|
|
deinit_filter();
|
|
#endif
|
|
|
|
deinit_shader_dir();
|
|
compute_monitor_fps_statistics();
|
|
}
|
|
|
|
driver_t driver;
|
|
|