mirror of
https://github.com/libretro/RetroArch.git
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536 lines
15 KiB
C
536 lines
15 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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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 <string.h>
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#include <string/string_list.h>
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#include "video_driver.h"
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#include "video_thread_wrapper.h"
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#include "video_pixel_converter.h"
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#include "video_monitor.h"
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#include "../general.h"
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#include "../retroarch.h"
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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)) || defined(HAVE_WIN32_D3D9)
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&video_d3d,
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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_SDL2
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&video_sdl2,
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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_OMAP
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&video_omap,
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#endif
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#ifdef HAVE_EXYNOS
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&video_exynos,
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#endif
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&video_null,
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NULL,
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};
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/**
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* video_driver_find_handle:
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* @idx : index of driver to get handle to.
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*
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* Returns: handle to video driver at index. Can be NULL
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* if nothing found.
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**/
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const void *video_driver_find_handle(int idx)
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{
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const void *drv = video_drivers[idx];
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if (!drv)
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return NULL;
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return drv;
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}
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/**
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* video_driver_find_ident:
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* @idx : index of driver to get handle to.
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*
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* Returns: Human-readable identifier of video driver at index. Can be NULL
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* if nothing found.
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**/
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const char *video_driver_find_ident(int idx)
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{
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const video_driver_t *drv = video_drivers[idx];
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if (!drv)
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return NULL;
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return drv->ident;
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}
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/**
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* config_get_video_driver_options:
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*
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* Get an enumerated list of all video driver names, separated by '|'.
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*
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* Returns: string listing of all video driver names, separated by '|'.
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**/
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const char* config_get_video_driver_options(void)
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{
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union string_list_elem_attr attr;
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unsigned i;
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char *options = NULL;
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int options_len = 0;
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struct string_list *options_l = string_list_new();
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attr.i = 0;
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if (!options_l)
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return NULL;
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for (i = 0; video_driver_find_handle(i); i++)
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{
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const char *opt = video_driver_find_ident(i);
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options_len += strlen(opt) + 1;
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string_list_append(options_l, opt, attr);
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}
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options = (char*)calloc(options_len, sizeof(char));
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if (!options)
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{
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string_list_free(options_l);
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options_l = NULL;
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return NULL;
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}
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string_list_join_concat(options, options_len, options_l, "|");
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string_list_free(options_l);
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options_l = NULL;
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return options;
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}
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void find_video_driver(void)
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{
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int i;
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#if defined(HAVE_OPENGL) && defined(HAVE_FBO)
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if (g_extern.system.hw_render_callback.context_type)
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{
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RARCH_LOG("Using HW render, OpenGL driver forced.\n");
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driver.video = &video_gl;
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return;
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}
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#endif
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if (driver.frontend_ctx &&
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driver.frontend_ctx->get_video_driver)
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{
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driver.video = driver.frontend_ctx->get_video_driver();
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if (driver.video)
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return;
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RARCH_WARN("Frontend supports get_video_driver() but did not specify one.\n");
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}
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i = find_driver_index("video_driver", g_settings.video.driver);
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if (i >= 0)
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driver.video = (const video_driver_t*)video_driver_find_handle(i);
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else
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{
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unsigned d;
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RARCH_ERR("Couldn't find any video driver named \"%s\"\n",
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g_settings.video.driver);
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RARCH_LOG_OUTPUT("Available video drivers are:\n");
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for (d = 0; video_driver_find_handle(d); d++)
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RARCH_LOG_OUTPUT("\t%s\n", video_driver_find_ident(d));
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RARCH_WARN("Going to default to first video driver...\n");
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driver.video = (const video_driver_t*)video_driver_find_handle(0);
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if (!driver.video)
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rarch_fail(1, "find_video_driver()");
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}
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}
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/**
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* video_driver_resolve:
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* @drv : real video driver will be set to this.
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*
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* Use this if you need the real video driver
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* and driver data pointers.
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*
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* Returns: video driver's userdata.
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**/
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void *video_driver_resolve(const video_driver_t **drv)
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{
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#ifdef HAVE_THREADS
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if (g_settings.video.threaded
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&& !g_extern.system.hw_render_callback.context_type)
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return rarch_threaded_video_resolve(drv);
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#endif
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if (drv)
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*drv = driver.video;
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return driver.video_data;
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}
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/**
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* video_driver_get_current_framebuffer:
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*
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* Gets pointer to current hardware renderer framebuffer object.
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* Used by RETRO_ENVIRONMENT_SET_HW_RENDER.
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*
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* Returns: pointer to hardware framebuffer object, otherwise 0.
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**/
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uintptr_t video_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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#endif
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return 0;
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}
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retro_proc_address_t video_driver_get_proc_address(const char *sym)
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{
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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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return NULL;
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}
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bool video_driver_is_alive(void)
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{
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/* Possible race issue, return true */
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if (!driver.video || !driver.video_data)
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return true;
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if (!driver.video->alive(driver.video_data))
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return false;
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return true;
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}
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bool video_driver_has_focus(void)
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{
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if (!driver.video || !driver.video_data)
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return false;
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if (!driver.video->focus(driver.video_data))
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return false;
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return true;
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}
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bool video_driver_set_shader(enum rarch_shader_type type,
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const char *shader)
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{
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if (!driver.video || !driver.video_data)
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return false;
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if (!driver.video->set_shader(driver.video_data, type, shader))
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return false;
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return true;
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}
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static void deinit_video_filter(void)
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{
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rarch_softfilter_free(g_extern.filter.filter);
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free(g_extern.filter.buffer);
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memset(&g_extern.filter, 0, sizeof(g_extern.filter));
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}
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static void init_video_filter(enum retro_pixel_format colfmt)
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{
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unsigned width, height, pow2_x, pow2_y, maxsize;
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struct retro_game_geometry *geom = NULL;
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deinit_video_filter();
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if (!*g_settings.video.softfilter_plugin)
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return;
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/* Deprecated format. Gets pre-converted. */
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if (colfmt == RETRO_PIXEL_FORMAT_0RGB1555)
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colfmt = RETRO_PIXEL_FORMAT_RGB565;
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if (g_extern.system.hw_render_callback.context_type)
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{
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RARCH_WARN("Cannot use CPU filters when hardware rendering is used.\n");
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return;
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}
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geom = (struct retro_game_geometry*)&g_extern.system.av_info.geometry;
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width = geom->max_width;
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height = geom->max_height;
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g_extern.filter.filter = rarch_softfilter_new(
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g_settings.video.softfilter_plugin,
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RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height);
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if (!g_extern.filter.filter)
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{
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RARCH_ERR("Failed to load filter.\n");
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return;
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}
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rarch_softfilter_get_max_output_size(g_extern.filter.filter,
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&width, &height);
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pow2_x = next_pow2(width);
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pow2_y = next_pow2(height);
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maxsize = max(pow2_x, pow2_y);
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g_extern.filter.scale = maxsize / RARCH_SCALE_BASE;
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g_extern.filter.out_rgb32 = rarch_softfilter_get_output_format(
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g_extern.filter.filter) == RETRO_PIXEL_FORMAT_XRGB8888;
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g_extern.filter.out_bpp = g_extern.filter.out_rgb32 ?
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sizeof(uint32_t) : sizeof(uint16_t);
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/* TODO: Aligned output. */
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g_extern.filter.buffer = malloc(width * height * g_extern.filter.out_bpp);
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if (!g_extern.filter.buffer)
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goto error;
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return;
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error:
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RARCH_ERR("Softfilter initialization failed.\n");
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deinit_video_filter();
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}
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static void init_video_input(const input_driver_t *tmp)
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{
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/* Video driver didn't provide an input driver,
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* so we use configured one. */
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RARCH_LOG("Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n");
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if (tmp)
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driver.input = tmp;
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else
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find_input_driver();
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if (!driver.input)
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{
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/* This should never really happen as tmp (driver.input) is always
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* found before this in find_driver_input(), or we have aborted
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* in a similar fashion anyways. */
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rarch_fail(1, "init_video_input()");
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}
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driver.input_data = driver.input->init();
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if (driver.input_data)
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return;
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RARCH_ERR("Cannot initialize input driver. Exiting ...\n");
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rarch_fail(1, "init_video_input()");
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}
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void uninit_video_input(void)
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{
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rarch_main_command(RARCH_CMD_OVERLAY_DEINIT);
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if (
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!driver.input_data_own &&
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(driver.input_data != driver.video_data) &&
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driver.input &&
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driver.input->free)
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driver.input->free(driver.input_data);
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if (
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!driver.video_data_own &&
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driver.video_data &&
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driver.video &&
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driver.video->free)
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driver.video->free(driver.video_data);
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deinit_pixel_converter();
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deinit_video_filter();
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rarch_main_command(RARCH_CMD_SHADER_DIR_DEINIT);
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video_monitor_compute_fps_statistics();
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}
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void init_video(void)
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{
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unsigned max_dim, scale, width, height;
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video_viewport_t *custom_vp = NULL;
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const input_driver_t *tmp = NULL;
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const struct retro_game_geometry *geom = NULL;
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video_info_t video = {0};
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static uint16_t dummy_pixels[32] = {0};
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init_video_filter(g_extern.system.pix_fmt);
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rarch_main_command(RARCH_CMD_SHADER_DIR_INIT);
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geom = (const struct retro_game_geometry*)&g_extern.system.av_info.geometry;
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max_dim = max(geom->max_width, geom->max_height);
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scale = next_pow2(max_dim) / RARCH_SCALE_BASE;
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scale = max(scale, 1);
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if (g_extern.filter.filter)
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scale = g_extern.filter.scale;
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/* Update core-dependent aspect ratio values. */
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video_viewport_set_square_pixel(geom->base_width, geom->base_height);
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video_viewport_set_core();
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video_viewport_set_config();
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/* Update CUSTOM viewport. */
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custom_vp = &g_extern.console.screen.viewports.custom_vp;
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if (g_settings.video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
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{
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float default_aspect = aspectratio_lut[ASPECT_RATIO_CORE].value;
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aspectratio_lut[ASPECT_RATIO_CUSTOM].value =
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(custom_vp->width && custom_vp->height) ?
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(float)custom_vp->width / custom_vp->height : default_aspect;
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}
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g_extern.system.aspect_ratio =
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aspectratio_lut[g_settings.video.aspect_ratio_idx].value;
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if (g_settings.video.fullscreen)
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{
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width = g_settings.video.fullscreen_x;
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height = g_settings.video.fullscreen_y;
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}
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else
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{
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if (g_settings.video.force_aspect)
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{
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/* Do rounding here to simplify integer scale correctness. */
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unsigned base_width = roundf(geom->base_height *
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g_extern.system.aspect_ratio);
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width = roundf(base_width * g_settings.video.scale);
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height = roundf(geom->base_height * g_settings.video.scale);
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}
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else
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{
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width = roundf(geom->base_width * g_settings.video.scale);
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height = roundf(geom->base_height * g_settings.video.scale);
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}
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}
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if (width && height)
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RARCH_LOG("Video @ %ux%u\n", width, height);
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else
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RARCH_LOG("Video @ fullscreen\n");
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driver.display_type = RARCH_DISPLAY_NONE;
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driver.video_display = 0;
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driver.video_window = 0;
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if (!init_video_pixel_converter(RARCH_SCALE_BASE * scale))
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{
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RARCH_ERR("Failed to initialize pixel converter.\n");
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rarch_fail(1, "init_video()");
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}
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video.width = width;
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video.height = height;
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video.fullscreen = g_settings.video.fullscreen;
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video.vsync = g_settings.video.vsync && !g_extern.system.force_nonblock;
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video.force_aspect = g_settings.video.force_aspect;
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#ifdef GEKKO
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video.viwidth = g_settings.video.viwidth;
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video.vfilter = g_settings.video.vfilter;
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#endif
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video.smooth = g_settings.video.smooth;
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video.input_scale = scale;
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video.rgb32 = g_extern.filter.filter ?
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g_extern.filter.out_rgb32 :
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(g_extern.system.pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
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tmp = (const input_driver_t*)driver.input;
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/* Need to grab the "real" video driver interface on a reinit. */
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find_video_driver();
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#ifdef HAVE_THREADS
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if (g_settings.video.threaded && !g_extern.system.hw_render_callback.context_type)
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{
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/* Can't do hardware rendering with threaded driver currently. */
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RARCH_LOG("Starting threaded video driver ...\n");
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if (!rarch_threaded_video_init(&driver.video, &driver.video_data,
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&driver.input, &driver.input_data,
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driver.video, &video))
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{
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RARCH_ERR("Cannot open threaded video driver ... Exiting ...\n");
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rarch_fail(1, "init_video()");
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}
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}
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else
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#endif
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driver.video_data = driver.video->init(&video, &driver.input,
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&driver.input_data);
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if (!driver.video_data)
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{
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RARCH_ERR("Cannot open video driver ... Exiting ...\n");
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rarch_fail(1, "init_video()");
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}
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driver.video_poke = NULL;
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if (driver.video->poke_interface)
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driver.video->poke_interface(driver.video_data, &driver.video_poke);
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if (driver.video->viewport_info && (!custom_vp->width ||
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!custom_vp->height))
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{
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/* Force custom viewport to have sane parameters. */
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custom_vp->width = width;
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custom_vp->height = height;
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driver.video->viewport_info(driver.video_data, custom_vp);
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}
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if (driver.video->set_rotation)
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driver.video->set_rotation(driver.video_data,
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(g_settings.video.rotation + g_extern.system.rotation) % 4);
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if (driver.video->suppress_screensaver)
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driver.video->suppress_screensaver(driver.video_data,
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g_settings.ui.suspend_screensaver_enable);
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if (!driver.input)
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init_video_input(tmp);
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rarch_main_command(RARCH_CMD_OVERLAY_DEINIT);
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rarch_main_command(RARCH_CMD_OVERLAY_INIT);
|
|
|
|
g_extern.measure_data.frame_time_samples_count = 0;
|
|
|
|
g_extern.frame_cache.width = 4;
|
|
g_extern.frame_cache.height = 4;
|
|
g_extern.frame_cache.pitch = 8;
|
|
g_extern.frame_cache.data = &dummy_pixels;
|
|
|
|
if (driver.video_poke && driver.video_poke->set_texture_frame)
|
|
driver.video_poke->set_texture_frame(driver.video_data,
|
|
&dummy_pixels, false, 1, 1, 1.0f);
|
|
}
|