/* RetroArch - A frontend for libretro. * Copyright (C) 2010-2014 - Hans-Kristian Arntzen * Copyright (C) 2011-2016 - Daniel De Matteis * * RetroArch 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 Found- * ation, either version 3 of the License, or (at your option) any later version. * * RetroArch 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 RetroArch. * If not, see . */ #include #include #include #include #include #include #include #include #include #include #include #include #ifdef HAVE_CONFIG_H #include "../config.h" #endif #ifdef HAVE_THREADS #include #endif #ifdef HAVE_MENU #include "../menu/menu_setting.h" #endif #include "video_thread_wrapper.h" #include "video_context_driver.h" #include "../frontend/frontend_driver.h" #include "../record/record_driver.h" #include "../config.def.h" #include "../configuration.h" #include "../driver.h" #include "../retroarch.h" #include "../runloop.h" #include "../performance_counters.h" #include "../list_special.h" #include "../core.h" #include "../command.h" #include "../msg_hash.h" #include "../verbosity.h" #define MEASURE_FRAME_TIME_SAMPLES_COUNT (2 * 1024) #define TIME_TO_FPS(last_time, new_time, frames) ((1000000.0f * (frames)) / ((new_time) - (last_time))) #define FPS_UPDATE_INTERVAL 256 typedef struct video_pixel_scaler { struct scaler_ctx *scaler; void *scaler_out; } video_pixel_scaler_t; /* Opaque handles to currently running window. * Used by e.g. input drivers which bind to a window. * Drivers are responsible for setting these if an input driver * could potentially make use of this. */ static uintptr_t video_driver_display; static uintptr_t video_driver_window; static rarch_softfilter_t *video_driver_state_filter = NULL; static void *video_driver_state_buffer = NULL; static unsigned video_driver_state_scale = 0; static unsigned video_driver_state_out_bpp = 0; static bool video_driver_state_out_rgb32 = false; static enum retro_pixel_format video_driver_pix_fmt = RETRO_PIXEL_FORMAT_0RGB1555; static const void *frame_cache_data = NULL; static unsigned frame_cache_width = 0; static unsigned frame_cache_height = 0; static size_t frame_cache_pitch = 0; static float video_driver_aspect_ratio; static unsigned video_driver_width = 0; static unsigned video_driver_height = 0; static enum rarch_display_type video_driver_display_type = RARCH_DISPLAY_NONE; static char video_driver_title_buf[64] = {0}; static retro_time_t video_driver_frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT]; static uint64_t video_driver_frame_time_count = 0; static uint64_t video_driver_frame_count = 0; static void *video_driver_data = NULL; static video_driver_t *current_video = NULL; /* Interface for "poking". */ static const video_poke_interface_t *video_driver_poke = NULL; /* Used for 16-bit -> 16-bit conversions that take place before * being passed to video driver. */ static video_pixel_scaler_t *video_driver_scaler_ptr = NULL; /* Graphics driver requires RGBA byte order data (ABGR on little-endian) * for 32-bit. * This takes effect for overlay and shader cores that wants to load * data into graphics driver. Kinda hackish to place it here, it is only * used for GLES. * TODO: Refactor this better. */ static struct retro_hw_render_callback hw_render; static const struct retro_hw_render_context_negotiation_interface *hw_render_context_negotiation = NULL; static bool video_driver_use_rgba = false; static bool video_driver_data_own = false; static bool video_driver_active = false; static video_driver_frame_t frame_bak = NULL; /* If set during context deinit, the driver should keep * graphics context alive to avoid having to reset all * context state. */ static bool video_driver_cache_context = false; /* Set to true by driver if context caching succeeded. */ static bool video_driver_cache_context_ack = false; static uint8_t *video_driver_record_gpu_buffer = NULL; #ifdef HAVE_THREADS static slock_t *display_lock = NULL; #endif struct aspect_ratio_elem aspectratio_lut[ASPECT_RATIO_END] = { { "4:3", 1.3333f }, { "16:9", 1.7778f }, { "16:10", 1.6f }, { "16:15", 16.0f / 15.0f }, { "1:1", 1.0f }, { "2:1", 2.0f }, { "3:2", 1.5f }, { "3:4", 0.75f }, { "4:1", 4.0f }, { "9:16", 0.5625f }, { "5:4", 1.25f }, { "6:5", 1.2f }, { "7:9", 0.7777f }, { "8:3", 2.6666f }, { "8:7", 1.1428f }, { "19:12", 1.5833f }, { "19:14", 1.3571f }, { "30:17", 1.7647f }, { "32:9", 3.5555f }, { "Config", 0.0f }, { "Square pixel", 1.0f }, { "Core provided", 1.0f }, { "Custom", 0.0f } }; static const video_driver_t *video_drivers[] = { #ifdef HAVE_VULKAN &video_vulkan, #endif #ifdef HAVE_OPENGL &video_gl, #endif #ifdef XENON &video_xenon360, #endif #if defined(HAVE_D3D) &video_d3d, #endif #ifdef HAVE_VITA2D &video_vita2d, #endif #ifdef PSP &video_psp1, #endif #ifdef _3DS &video_ctr, #endif #ifdef HAVE_SDL &video_sdl, #endif #ifdef HAVE_SDL2 &video_sdl2, #endif #ifdef HAVE_XVIDEO &video_xvideo, #endif #ifdef GEKKO &video_gx, #endif #ifdef WIIU &video_wiiu, #endif #ifdef HAVE_VG &video_vg, #endif #ifdef HAVE_OMAP &video_omap, #endif #ifdef HAVE_EXYNOS &video_exynos, #endif #ifdef HAVE_DISPMANX &video_dispmanx, #endif #ifdef HAVE_SUNXI &video_sunxi, #endif #ifdef HAVE_PLAIN_DRM &video_drm, #endif #ifdef HAVE_XSHM &video_xshm, #endif &video_null, NULL, }; /** * video_driver_find_handle: * @idx : index of driver to get handle to. * * Returns: handle to video driver at index. Can be NULL * if nothing found. **/ const void *video_driver_find_handle(int idx) { const void *drv = video_drivers[idx]; if (!drv) return NULL; return drv; } /** * video_driver_find_ident: * @idx : index of driver to get handle to. * * Returns: Human-readable identifier of video driver at index. Can be NULL * if nothing found. **/ const char *video_driver_find_ident(int idx) { const video_driver_t *drv = video_drivers[idx]; if (!drv) return NULL; return drv->ident; } /** * config_get_video_driver_options: * * Get an enumerated list of all video driver names, separated by '|'. * * Returns: string listing of all video driver names, separated by '|'. **/ const char* config_get_video_driver_options(void) { return char_list_new_special(STRING_LIST_VIDEO_DRIVERS, NULL); } static bool hw_render_context_is_vulkan(enum retro_hw_context_type type) { return type == RETRO_HW_CONTEXT_VULKAN; } static bool hw_render_context_is_gl(enum retro_hw_context_type type) { switch (type) { case RETRO_HW_CONTEXT_OPENGL: case RETRO_HW_CONTEXT_OPENGLES2: case RETRO_HW_CONTEXT_OPENGL_CORE: case RETRO_HW_CONTEXT_OPENGLES3: case RETRO_HW_CONTEXT_OPENGLES_VERSION: return true; default: break; } return false; } bool video_driver_is_threaded(void) { #ifdef HAVE_THREADS settings_t *settings = config_get_ptr(); return settings->video.threaded && !video_driver_is_hw_context(); #else return false; #endif } /** * video_driver_get_ptr: * * Use this if you need the real video driver * and driver data pointers. * * Returns: video driver's userdata. **/ void *video_driver_get_ptr(bool force_nonthreaded_data) { #ifdef HAVE_THREADS if (video_driver_is_threaded() && !force_nonthreaded_data) return video_thread_get_ptr(NULL); #endif return video_driver_data; } const char *video_driver_get_ident(void) { return (current_video) ? current_video->ident : NULL; } const video_poke_interface_t *video_driver_get_poke(void) { return video_driver_poke; } /** * video_driver_get_current_framebuffer: * * Gets pointer to current hardware renderer framebuffer object. * Used by RETRO_ENVIRONMENT_SET_HW_RENDER. * * Returns: pointer to hardware framebuffer object, otherwise 0. **/ uintptr_t video_driver_get_current_framebuffer(void) { if (!video_driver_poke || !video_driver_poke->get_current_framebuffer) return 0; return video_driver_poke->get_current_framebuffer(video_driver_data); } retro_proc_address_t video_driver_get_proc_address(const char *sym) { if (!video_driver_poke || !video_driver_poke->get_proc_address) return NULL; return video_driver_poke->get_proc_address(video_driver_data, sym); } bool video_driver_set_shader(enum rarch_shader_type type, const char *path) { if (!current_video->set_shader) return false; return current_video->set_shader(video_driver_data, type, path); } static void deinit_video_filter(void) { rarch_softfilter_free(video_driver_state_filter); #ifdef _3DS linearFree(video_driver_state_buffer); #else free(video_driver_state_buffer); #endif video_driver_state_filter = NULL; video_driver_state_buffer = NULL; video_driver_state_scale = 0; video_driver_state_out_bpp = 0; video_driver_state_out_rgb32 = false; } static void init_video_filter(enum retro_pixel_format colfmt) { unsigned width, height, pow2_x, pow2_y, maxsize; struct retro_game_geometry *geom = NULL; settings_t *settings = config_get_ptr(); struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); deinit_video_filter(); if (!*settings->path.softfilter_plugin) return; /* Deprecated format. Gets pre-converted. */ if (colfmt == RETRO_PIXEL_FORMAT_0RGB1555) colfmt = RETRO_PIXEL_FORMAT_RGB565; if (video_driver_is_hw_context()) { RARCH_WARN("Cannot use CPU filters when hardware rendering is used.\n"); return; } if (av_info) geom = (struct retro_game_geometry*)&av_info->geometry; if (!geom) return; width = geom->max_width; height = geom->max_height; video_driver_state_filter = rarch_softfilter_new( settings->path.softfilter_plugin, RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height); if (!video_driver_state_filter) { RARCH_ERR("Failed to load filter.\n"); return; } rarch_softfilter_get_max_output_size(video_driver_state_filter, &width, &height); pow2_x = next_pow2(width); pow2_y = next_pow2(height); maxsize = MAX(pow2_x, pow2_y); video_driver_state_scale = maxsize / RARCH_SCALE_BASE; video_driver_state_out_rgb32 = rarch_softfilter_get_output_format( video_driver_state_filter) == RETRO_PIXEL_FORMAT_XRGB8888; video_driver_state_out_bpp = video_driver_state_out_rgb32 ? sizeof(uint32_t) : sizeof(uint16_t); /* TODO: Aligned output. */ #ifdef _3DS video_driver_state_buffer = linearMemAlign(width * height * video_driver_state_out_bpp, 0x80); #else video_driver_state_buffer = malloc(width * height * video_driver_state_out_bpp); #endif if (!video_driver_state_buffer) goto error; return; error: RARCH_ERR("Softfilter initialization failed.\n"); deinit_video_filter(); } static void init_video_input(const input_driver_t *tmp) { const input_driver_t **input = input_get_double_ptr(); if (*input) return; /* Video driver didn't provide an input driver, * so we use configured one. */ RARCH_LOG("Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n"); if (tmp) *input = tmp; else input_driver_find_driver(); /* This should never really happen as tmp (driver.input) is always * found before this in find_driver_input(), or we have aborted * in a similar fashion anyways. */ if (!input_get_ptr()) goto error; if (input_driver_init()) return; error: RARCH_ERR("Cannot initialize input driver. Exiting ...\n"); retroarch_fail(1, "init_video_input()"); } /** * video_monitor_compute_fps_statistics: * * Computes monitor FPS statistics. **/ static void video_monitor_compute_fps_statistics(void) { double avg_fps = 0.0; double stddev = 0.0; unsigned samples = 0; settings_t *settings = config_get_ptr(); if (settings->video.threaded) { RARCH_LOG("Monitor FPS estimation is disabled for threaded video.\n"); return; } if (video_driver_frame_time_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; } if (video_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); } } static void deinit_pixel_converter(void) { if (!video_driver_scaler_ptr) return; scaler_ctx_gen_reset(video_driver_scaler_ptr->scaler); if (video_driver_scaler_ptr->scaler) free(video_driver_scaler_ptr->scaler); video_driver_scaler_ptr->scaler = NULL; if (video_driver_scaler_ptr->scaler_out) free(video_driver_scaler_ptr->scaler_out); video_driver_scaler_ptr->scaler_out = NULL; if (video_driver_scaler_ptr) free(video_driver_scaler_ptr); video_driver_scaler_ptr = NULL; } static bool uninit_video_input(void) { command_event(CMD_EVENT_OVERLAY_DEINIT, NULL); if (!video_driver_is_video_cache_context()) video_driver_deinit_hw_context(); if ( !input_driver_owns_driver() && !input_driver_is_data_ptr_same(video_driver_data) ) input_driver_deinit(); if ( !video_driver_owns_driver() && video_driver_data && current_video && current_video->free ) current_video->free(video_driver_data); deinit_pixel_converter(); deinit_video_filter(); command_event(CMD_EVENT_SHADER_DIR_DEINIT, NULL); video_monitor_compute_fps_statistics(); return true; } static bool init_video_pixel_converter(unsigned size) { struct retro_hw_render_callback *hwr = video_driver_get_hw_context(); /* If pixel format is not 0RGB1555, we don't need to do * any internal pixel conversion. */ if (video_driver_pix_fmt != RETRO_PIXEL_FORMAT_0RGB1555) return true; /* No need to perform pixel conversion for HW rendering contexts. */ if (hwr && hwr->context_type != RETRO_HW_CONTEXT_NONE) return true; RARCH_WARN("0RGB1555 pixel format is deprecated, and will be slower. For 15/16-bit, RGB565 format is preferred.\n"); video_driver_scaler_ptr = (video_pixel_scaler_t*) calloc(1, sizeof(*video_driver_scaler_ptr)); if (!video_driver_scaler_ptr) goto error; video_driver_scaler_ptr->scaler = (struct scaler_ctx*) calloc(1, sizeof(*video_driver_scaler_ptr->scaler)); if (!video_driver_scaler_ptr->scaler) goto error; video_driver_scaler_ptr->scaler->scaler_type = SCALER_TYPE_POINT; video_driver_scaler_ptr->scaler->in_fmt = SCALER_FMT_0RGB1555; /* TODO: Pick either ARGB8888 or RGB565 depending on driver. */ video_driver_scaler_ptr->scaler->out_fmt = SCALER_FMT_RGB565; if (!scaler_ctx_gen_filter(video_driver_scaler_ptr->scaler)) goto error; video_driver_scaler_ptr->scaler_out = calloc(sizeof(uint16_t), size * size); if (!video_driver_scaler_ptr->scaler_out) goto error; return true; error: deinit_pixel_converter(); deinit_video_filter(); return false; } static bool init_video(void) { unsigned max_dim, scale, width, height; video_viewport_t *custom_vp = NULL; const input_driver_t *tmp = NULL; const struct retro_game_geometry *geom = NULL; rarch_system_info_t *system = NULL; video_info_t video = {0}; static uint16_t dummy_pixels[32] = {0}; settings_t *settings = config_get_ptr(); struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); runloop_ctl(RUNLOOP_CTL_SYSTEM_INFO_GET, &system); init_video_filter(video_driver_pix_fmt); command_event(CMD_EVENT_SHADER_DIR_INIT, NULL); if (av_info) geom = (const struct retro_game_geometry*)&av_info->geometry; if (!geom) { RARCH_ERR("AV geometry not initialized, cannot initialize video driver.\n"); goto error; } max_dim = MAX(geom->max_width, geom->max_height); scale = next_pow2(max_dim) / RARCH_SCALE_BASE; scale = MAX(scale, 1); if (video_driver_state_filter) scale = video_driver_state_scale; /* Update core-dependent aspect ratio values. */ video_driver_set_viewport_square_pixel(); video_driver_set_viewport_core(); video_driver_set_viewport_config(); /* Update CUSTOM viewport. */ custom_vp = video_viewport_get_custom(); if (settings->video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM) { float default_aspect = aspectratio_lut[ASPECT_RATIO_CORE].value; aspectratio_lut[ASPECT_RATIO_CUSTOM].value = (custom_vp->width && custom_vp->height) ? (float)custom_vp->width / custom_vp->height : default_aspect; } video_driver_set_aspect_ratio_value( aspectratio_lut[settings->video.aspect_ratio_idx].value); if (settings->video.fullscreen) { width = settings->video.fullscreen_x; height = settings->video.fullscreen_y; } else { if (settings->video.force_aspect) { /* Do rounding here to simplify integer scale correctness. */ unsigned base_width = roundf(geom->base_height * video_driver_get_aspect_ratio()); width = roundf(base_width * settings->video.scale); } else width = roundf(geom->base_width * settings->video.scale); height = roundf(geom->base_height * settings->video.scale); } if (width && height) RARCH_LOG("Video @ %ux%u\n", width, height); else RARCH_LOG("Video @ fullscreen\n"); video_driver_display_type_set(RARCH_DISPLAY_NONE); video_driver_display_set(0); video_driver_window_set(0); if (!init_video_pixel_converter(RARCH_SCALE_BASE * scale)) { RARCH_ERR("Failed to initialize pixel converter.\n"); goto error; } video.width = width; video.height = height; video.fullscreen = settings->video.fullscreen; video.vsync = settings->video.vsync && !runloop_ctl(RUNLOOP_CTL_IS_NONBLOCK_FORCED, NULL); video.force_aspect = settings->video.force_aspect; #ifdef GEKKO video.viwidth = settings->video.viwidth; video.vfilter = settings->video.vfilter; #endif video.smooth = settings->video.smooth; video.input_scale = scale; video.rgb32 = video_driver_state_filter ? video_driver_state_out_rgb32 : (video_driver_pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888); /* Reset video frame count */ video_driver_frame_count = 0; tmp = input_get_ptr(); /* Need to grab the "real" video driver interface on a reinit. */ video_driver_find_driver(); #ifdef HAVE_THREADS if (video_driver_is_threaded()) { /* Can't do hardware rendering with threaded driver currently. */ RARCH_LOG("Starting threaded video driver ...\n"); if (!video_init_thread((const video_driver_t**)¤t_video, &video_driver_data, input_get_double_ptr(), input_driver_get_data_ptr(), current_video, &video)) { RARCH_ERR("Cannot open threaded video driver ... Exiting ...\n"); goto error; } } else #endif video_driver_data = current_video->init(&video, input_get_double_ptr(), input_driver_get_data_ptr()); if (!video_driver_data) { RARCH_ERR("Cannot open video driver ... Exiting ...\n"); goto error; } video_driver_poke = NULL; if (current_video->poke_interface) current_video->poke_interface(video_driver_data, &video_driver_poke); if (current_video->viewport_info && (!custom_vp->width || !custom_vp->height)) { /* Force custom viewport to have sane parameters. */ custom_vp->width = width; custom_vp->height = height; video_driver_get_viewport_info(custom_vp); } video_driver_set_rotation( (settings->video.rotation + system->rotation) % 4); current_video->suppress_screensaver(video_driver_data, settings->ui.suspend_screensaver_enable); init_video_input(tmp); command_event(CMD_EVENT_OVERLAY_DEINIT, NULL); command_event(CMD_EVENT_OVERLAY_INIT, NULL); video_driver_cached_frame_set(&dummy_pixels, 4, 4, 8); #if defined(PSP) video_driver_set_texture_frame(&dummy_pixels, false, 1, 1, 1.0f); #endif return true; error: retroarch_fail(1, "init_video()"); return false; } bool video_driver_set_viewport(unsigned width, unsigned height, bool force_fullscreen, bool allow_rotate) { if (!current_video || !current_video->set_viewport) return false; current_video->set_viewport(video_driver_data, width, height, force_fullscreen, allow_rotate); return true; } bool video_driver_set_rotation(unsigned rotation) { if (!current_video || !current_video->set_rotation) return false; current_video->set_rotation(video_driver_data, rotation); return true; } bool video_driver_set_video_mode(unsigned width, unsigned height, bool fullscreen) { gfx_ctx_mode_t mode; if (video_driver_poke && video_driver_poke->set_video_mode) { video_driver_poke->set_video_mode(video_driver_data, width, height, fullscreen); return true; } mode.width = width; mode.height = height; mode.fullscreen = fullscreen; return video_context_driver_set_video_mode(&mode); } bool video_driver_get_video_output_size(unsigned *width, unsigned *height) { if (!video_driver_poke || !video_driver_poke->get_video_output_size) return false; video_driver_poke->get_video_output_size(video_driver_data, width, height); return true; } void video_driver_set_osd_msg(const char *msg, const struct font_params *params, void *font) { if (video_driver_poke && video_driver_poke->set_osd_msg) video_driver_poke->set_osd_msg(video_driver_data, msg, params, font); } void video_driver_set_texture_enable(bool enable, bool fullscreen) { if (video_driver_poke && video_driver_poke->set_texture_enable) video_driver_poke->set_texture_enable(video_driver_data, enable, fullscreen); } void video_driver_set_texture_frame(const void *frame, bool rgb32, unsigned width, unsigned height, float alpha) { #ifdef HAVE_MENU if (video_driver_poke && video_driver_poke->set_texture_frame) video_driver_poke->set_texture_frame(video_driver_data, frame, rgb32, width, height, alpha); #endif } #ifdef HAVE_OVERLAY bool video_driver_overlay_interface(const video_overlay_interface_t **iface) { if (!current_video || !current_video->overlay_interface) return false; current_video->overlay_interface(video_driver_data, iface); return true; } #endif void *video_driver_read_frame_raw(unsigned *width, unsigned *height, size_t *pitch) { if (!current_video || !current_video->read_frame_raw) return NULL; return current_video->read_frame_raw(video_driver_data, width, height, pitch); } void video_driver_set_filtering(unsigned index, bool smooth) { if (video_driver_poke && video_driver_poke->set_filtering) video_driver_poke->set_filtering(video_driver_data, index, smooth); } void video_driver_cached_frame_set(const void *data, unsigned width, unsigned height, size_t pitch) { video_driver_set_cached_frame_ptr(data); frame_cache_width = width; frame_cache_height = height; frame_cache_pitch = pitch; } void video_driver_cached_frame_get(const void **data, unsigned *width, unsigned *height, size_t *pitch) { if (data) *data = frame_cache_data; if (width) *width = frame_cache_width; if (height) *height = frame_cache_height; if (pitch) *pitch = frame_cache_pitch; } void video_driver_get_size(unsigned *width, unsigned *height) { if (width) *width = video_driver_width; if (height) *height = video_driver_height; } void video_driver_set_size(unsigned *width, unsigned *height) { if (width) video_driver_width = *width; if (height) video_driver_height = *height; } /** * video_monitor_set_refresh_rate: * @hz : New refresh rate for monitor. * * Sets monitor refresh rate to new value. **/ void video_monitor_set_refresh_rate(float hz) { char msg[128]; settings_t *settings = config_get_ptr(); snprintf(msg, sizeof(msg), "Setting refresh rate to: %.3f Hz.", hz); runloop_msg_queue_push(msg, 1, 180, false); RARCH_LOG("%s\n", msg); settings->video.refresh_rate = hz; } /** * video_monitor_fps_statistics * @refresh_rate : Monitor refresh rate. * @deviation : Deviation from measured refresh rate. * @sample_points : Amount of sampled points. * * Gets the monitor FPS statistics based on the current * runtime. * * Returns: true (1) on success. * false (0) if: * a) threaded video mode is enabled * b) less than 2 frame time samples. * c) FPS monitor enable is off. **/ bool video_monitor_fps_statistics(double *refresh_rate, double *deviation, unsigned *sample_points) { unsigned i; retro_time_t accum = 0, avg, accum_var = 0; settings_t *settings = config_get_ptr(); unsigned samples = MIN(MEASURE_FRAME_TIME_SAMPLES_COUNT, video_driver_frame_time_count); if (settings->video.threaded || (samples < 2)) return false; /* Measure statistics on frame time (microsecs), *not* FPS. */ for (i = 0; i < samples; i++) accum += video_driver_frame_time_samples[i]; #if 0 for (i = 0; i < samples; i++) RARCH_LOG("Interval #%u: %d usec / frame.\n", i, (int)frame_time_samples[i]); #endif avg = accum / samples; /* Drop first measurement. It is likely to be bad. */ for (i = 0; i < samples; i++) { retro_time_t diff = video_driver_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; } /** * video_monitor_get_fps: * @buf : string suitable for Window title * @size : size of buffer. * @buf_fps : string of raw FPS only (optional). * @size_fps : size of raw FPS buffer. * * Get the amount of frames per seconds. * * Returns: true if framerate per seconds could be obtained, * otherwise false. * **/ bool video_monitor_get_fps(char *buf, size_t size, char *buf_fps, size_t size_fps) { static retro_time_t curr_time; static retro_time_t fps_time; retro_time_t new_time = cpu_features_get_time_usec(); *buf = '\0'; if (video_driver_frame_count) { static float last_fps; bool ret = false; settings_t *settings = config_get_ptr(); unsigned write_index = video_driver_frame_time_count++ & (MEASURE_FRAME_TIME_SAMPLES_COUNT - 1); video_driver_frame_time_samples[write_index] = new_time - fps_time; fps_time = new_time; if ((video_driver_frame_count % FPS_UPDATE_INTERVAL) == 0) { char frames_text[64]; last_fps = TIME_TO_FPS(curr_time, new_time, FPS_UPDATE_INTERVAL); curr_time = new_time; fill_pathname_noext(buf, video_driver_title_buf, " || ", size); if (settings->fps_show) { char fps_text[64]; snprintf(fps_text, sizeof(fps_text), " FPS: %6.1f || ", last_fps); strlcat(buf, fps_text, size); } strlcat(buf, "Frames: ", size); snprintf(frames_text, sizeof(frames_text), STRING_REP_UINT64, (unsigned long long)video_driver_frame_count); strlcat(buf, frames_text, size); ret = true; } if (buf_fps && settings->fps_show) snprintf(buf_fps, size_fps, "FPS: %6.1f || %s: " STRING_REP_UINT64, last_fps, msg_hash_to_str(MSG_FRAMES), (unsigned long long)video_driver_frame_count); return ret; } curr_time = fps_time = new_time; strlcpy(buf, video_driver_title_buf, size); if (buf_fps) strlcpy(buf_fps, msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE), size_fps); return true; } float video_driver_get_aspect_ratio(void) { return video_driver_aspect_ratio; } void video_driver_set_aspect_ratio_value(float value) { video_driver_aspect_ratio = value; } static bool video_driver_frame_filter(const void *data, unsigned width, unsigned height, size_t pitch, unsigned *output_width, unsigned *output_height, unsigned *output_pitch) { static struct retro_perf_counter softfilter_process = {0}; settings_t *settings = config_get_ptr(); performance_counter_init(&softfilter_process, "softfilter_process"); rarch_softfilter_get_output_size(video_driver_state_filter, output_width, output_height, width, height); *output_pitch = (*output_width) * video_driver_state_out_bpp; performance_counter_start(&softfilter_process); rarch_softfilter_process(video_driver_state_filter, video_driver_state_buffer, *output_pitch, data, width, height, pitch); performance_counter_stop(&softfilter_process); if (settings->video.post_filter_record) recording_dump_frame(video_driver_state_buffer, *output_width, *output_height, *output_pitch); return true; } rarch_softfilter_t *video_driver_frame_filter_get_ptr(void) { return video_driver_state_filter; } enum retro_pixel_format video_driver_get_pixel_format(void) { return video_driver_pix_fmt; } void video_driver_set_pixel_format(enum retro_pixel_format fmt) { video_driver_pix_fmt = fmt; } /** * video_driver_cached_frame: * * Renders the current video frame. **/ bool video_driver_cached_frame(void) { retro_ctx_frame_info_t info; void *recording = recording_driver_get_data_ptr(); /* Cannot allow recording when pushing duped frames. */ recording_driver_clear_data_ptr(); /* Not 100% safe, since the library might have * freed the memory, but no known implementations do this. * It would be really stupid at any rate ... */ info.data = (frame_cache_data != RETRO_HW_FRAME_BUFFER_VALID) ? frame_cache_data : NULL; info.width = frame_cache_width; info.height = frame_cache_height; info.pitch = frame_cache_pitch; core_frame(&info); recording_driver_set_data_ptr(recording); return true; } void video_driver_monitor_adjust_system_rates(void) { float timing_skew; const struct retro_system_timing *info = NULL; struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); settings_t *settings = config_get_ptr(); runloop_ctl(RUNLOOP_CTL_UNSET_NONBLOCK_FORCED, NULL); if (av_info) info = (const struct retro_system_timing*)&av_info->timing; if (!info || info->fps <= 0.0) return; timing_skew = fabs(1.0f - info->fps / settings->video.refresh_rate); /* We don't want to adjust pitch too much. If we have extreme cases, * just don't readjust at all. */ if (timing_skew <= settings->audio.max_timing_skew) return; RARCH_LOG("Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n", settings->video.refresh_rate, (float)info->fps); if (info->fps <= settings->video.refresh_rate) return; /* We won't be able to do VSync reliably when game FPS > monitor FPS. */ runloop_ctl(RUNLOOP_CTL_SET_NONBLOCK_FORCED, NULL); RARCH_LOG("Game FPS > Monitor FPS. Cannot rely on VSync.\n"); } void video_driver_menu_settings(void **list_data, void *list_info_data, void *group_data, void *subgroup_data, const char *parent_group) { #ifdef HAVE_MENU rarch_setting_t **list = (rarch_setting_t**)list_data; rarch_setting_info_t *list_info = (rarch_setting_info_t*)list_info_data; rarch_setting_group_info_t *group_info = (rarch_setting_group_info_t*)group_data; rarch_setting_group_info_t *subgroup_info = (rarch_setting_group_info_t*)subgroup_data; global_t *global = global_get_ptr(); (void)list; (void)list_info; (void)group_info; (void)subgroup_info; (void)global; #if defined(GEKKO) || defined(__CELLOS_LV2__) CONFIG_ACTION( list, list_info, MENU_ENUM_LABEL_SCREEN_RESOLUTION, MENU_ENUM_LABEL_VALUE_SCREEN_RESOLUTION, group_info, subgroup_info, parent_group); #endif #if defined(__CELLOS_LV2__) CONFIG_BOOL( list, list_info, &global->console.screen.pal60_enable, MENU_ENUM_LABEL_PAL60_ENABLE, MENU_ENUM_LABEL_VALUE_PAL60_ENABLE, false, MENU_ENUM_LABEL_VALUE_OFF, MENU_ENUM_LABEL_VALUE_ON, group_info, subgroup_info, parent_group, general_write_handler, general_read_handler, SD_FLAG_NONE); #endif #if defined(GEKKO) || defined(_XBOX360) CONFIG_UINT( list, list_info, &global->console.screen.gamma_correction, MENU_ENUM_LABEL_VIDEO_GAMMA, MENU_ENUM_LABEL_VALUE_VIDEO_GAMMA, 0, group_info, subgroup_info, parent_group, general_write_handler, general_read_handler); menu_settings_list_current_add_cmd( list, list_info, CMD_EVENT_VIDEO_APPLY_STATE_CHANGES); menu_settings_list_current_add_range( list, list_info, 0, MAX_GAMMA_SETTING, 1, true, true); settings_data_list_current_add_flags(list, list_info, SD_FLAG_CMD_APPLY_AUTO|SD_FLAG_ADVANCED); #endif #if defined(_XBOX1) || defined(HW_RVL) CONFIG_BOOL( list, list_info, &global->console.softfilter_enable, MENU_ENUM_LABEL_VIDEO_SOFT_FILTER, MENU_ENUM_LABEL_VALUE_VIDEO_SOFT_FILTER, false, MENU_ENUM_LABEL_VALUE_OFF, MENU_ENUM_LABEL_VALUE_ON, group_info, subgroup_info, parent_group, general_write_handler, general_read_handler, SD_FLAG_NONE); menu_settings_list_current_add_cmd( list, list_info, CMD_EVENT_VIDEO_APPLY_STATE_CHANGES); #endif #ifdef _XBOX1 CONFIG_UINT( list, list_info, &settings->video.swap_interval, MENU_ENUM_LABEL_VIDEO_FILTER_FLICKER, MENU_ENUM_LABEL_VALUE_VIDEO_FILTER_FLICKER, 0, group_info, subgroup_info, parent_group, general_write_handler, general_read_handler); menu_settings_list_current_add_range(list, list_info, 0, 5, 1, true, true); #endif #endif } static void video_driver_lock(void) { #ifdef HAVE_THREADS if (!display_lock) return; slock_lock(display_lock); #endif } static void video_driver_unlock(void) { #ifdef HAVE_THREADS if (!display_lock) return; slock_unlock(display_lock); #endif } static void video_driver_lock_free(void) { #ifdef HAVE_THREADS slock_free(display_lock); display_lock = NULL; #endif } static void video_driver_lock_new(void) { video_driver_lock_free(); #ifdef HAVE_THREADS if (!display_lock) display_lock = slock_new(); retro_assert(display_lock); #endif } void video_driver_destroy(void) { video_driver_use_rgba = false; video_driver_data_own = false; video_driver_active = false; video_driver_cache_context = false; video_driver_cache_context_ack = false; video_driver_record_gpu_buffer = NULL; current_video = NULL; } void video_driver_set_cached_frame_ptr(const void *data) { if (data) frame_cache_data = data; } void video_driver_set_stub_frame(void) { frame_bak = current_video->frame; current_video->frame = video_null.frame; } void video_driver_unset_stub_frame(void) { if (frame_bak != NULL) current_video->frame = frame_bak; frame_bak = NULL; } bool video_driver_supports_recording(void) { settings_t *settings = config_get_ptr(); return settings->video.gpu_record && current_video->read_viewport; } bool video_driver_supports_viewport_read(void) { settings_t *settings = config_get_ptr(); return (settings->video.gpu_screenshot || (video_driver_is_hw_context() && !current_video->read_frame_raw)) && current_video->read_viewport && current_video->viewport_info; } bool video_driver_supports_read_frame_raw(void) { return current_video->read_frame_raw; } void video_driver_set_viewport_config(void) { settings_t *settings = config_get_ptr(); struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); if (settings->video.aspect_ratio < 0.0f) { struct retro_game_geometry *geom = &av_info->geometry; if (!geom) return; if (geom->aspect_ratio > 0.0f && settings->video.aspect_ratio_auto) aspectratio_lut[ASPECT_RATIO_CONFIG].value = geom->aspect_ratio; else { unsigned base_width = geom->base_width; unsigned base_height = geom->base_height; /* Get around division by zero errors */ if (base_width == 0) base_width = 1; if (base_height == 0) base_height = 1; aspectratio_lut[ASPECT_RATIO_CONFIG].value = (float)base_width / base_height; /* 1:1 PAR. */ } } else { aspectratio_lut[ASPECT_RATIO_CONFIG].value = settings->video.aspect_ratio; } } void video_driver_set_viewport_square_pixel(void) { unsigned len, highest, i, aspect_x, aspect_y; unsigned width, height; struct retro_game_geometry *geom = NULL; struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); if (av_info) geom = &av_info->geometry; if (!geom) return; width = geom->base_width; height = geom->base_height; if (width == 0 || height == 0) return; len = MIN(width, height); highest = 1; for (i = 1; i < len; i++) { if ((width % i) == 0 && (height % i) == 0) highest = i; } aspect_x = width / highest; aspect_y = height / highest; snprintf(aspectratio_lut[ASPECT_RATIO_SQUARE].name, sizeof(aspectratio_lut[ASPECT_RATIO_SQUARE].name), "1:1 PAR (%u:%u DAR)", aspect_x, aspect_y); aspectratio_lut[ASPECT_RATIO_SQUARE].value = (float)aspect_x / aspect_y; } void video_driver_set_viewport_core(void) { struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); struct retro_game_geometry *geom = &av_info->geometry; if (!geom || geom->base_width <= 0.0f || geom->base_height <= 0.0f) return; /* Fallback to 1:1 pixel ratio if none provided */ if (geom->aspect_ratio > 0.0f) { aspectratio_lut[ASPECT_RATIO_CORE].value = geom->aspect_ratio; } else { aspectratio_lut[ASPECT_RATIO_CORE].value = (float)geom->base_width / geom->base_height; } } void video_driver_reset_custom_viewport(void) { struct video_viewport *custom_vp = video_viewport_get_custom(); if (!custom_vp) return; custom_vp->width = 0; custom_vp->height = 0; custom_vp->x = 0; custom_vp->y = 0; } void video_driver_set_rgba(void) { video_driver_lock(); video_driver_use_rgba = true; image_texture_set_rgba(); video_driver_unlock(); } void video_driver_unset_rgba(void) { video_driver_lock(); video_driver_use_rgba = false; image_texture_unset_rgba(); video_driver_unlock(); } bool video_driver_supports_rgba(void) { bool tmp; video_driver_lock(); tmp = video_driver_use_rgba; video_driver_unlock(); return tmp; } bool video_driver_get_next_video_out(void) { if (!video_driver_poke) return false; if (!video_driver_poke->get_video_output_next) return video_context_driver_get_video_output_next(); video_driver_poke->get_video_output_next(video_driver_data); return true; } bool video_driver_get_prev_video_out(void) { if (!video_driver_poke) return false; if (!video_driver_poke->get_video_output_prev) return video_context_driver_get_video_output_prev(); video_driver_poke->get_video_output_prev(video_driver_data); return true; } bool video_driver_init(void) { video_driver_lock_new(); return init_video(); } void video_driver_destroy_data(void) { video_driver_data = NULL; } void video_driver_deinit(void) { uninit_video_input(); video_driver_lock_free(); video_driver_data = NULL; } void video_driver_monitor_reset(void) { video_driver_frame_time_count = 0; } void video_driver_set_aspect_ratio(void) { settings_t *settings = config_get_ptr(); if (!video_driver_poke || !video_driver_poke->set_aspect_ratio) return; video_driver_poke->set_aspect_ratio( video_driver_data, settings->video.aspect_ratio_idx); } void video_driver_show_mouse(void) { if (!video_driver_poke) return; if (video_driver_poke->show_mouse) video_driver_poke->show_mouse(video_driver_data, true); } void video_driver_hide_mouse(void) { if (!video_driver_poke) return; if (video_driver_poke->show_mouse) video_driver_poke->show_mouse(video_driver_data, false); } void video_driver_set_nonblock_state(bool toggle) { if (current_video->set_nonblock_state) current_video->set_nonblock_state(video_driver_data, toggle); } bool video_driver_find_driver(void) { int i; driver_ctx_info_t drv; settings_t *settings = config_get_ptr(); if (video_driver_is_hw_context()) { struct retro_hw_render_callback *hwr = video_driver_get_hw_context(); current_video = NULL; if (hwr && hw_render_context_is_vulkan(hwr->context_type)) { #if defined(HAVE_VULKAN) RARCH_LOG("Using HW render, Vulkan driver forced.\n"); current_video = &video_vulkan; #endif } if (hwr && hw_render_context_is_gl(hwr->context_type)) { #if defined(HAVE_OPENGL) && defined(HAVE_FBO) RARCH_LOG("Using HW render, OpenGL driver forced.\n"); current_video = &video_gl; #endif } if (current_video) return true; } if (frontend_driver_has_get_video_driver_func()) { current_video = (video_driver_t*)frontend_driver_get_video_driver(); if (current_video) return true; RARCH_WARN("Frontend supports get_video_driver() but did not specify one.\n"); } drv.label = "video_driver"; drv.s = settings->video.driver; driver_ctl(RARCH_DRIVER_CTL_FIND_INDEX, &drv); i = drv.len; if (i >= 0) current_video = (video_driver_t*)video_driver_find_handle(i); else { unsigned d; RARCH_ERR("Couldn't find any video driver named \"%s\"\n", settings->video.driver); RARCH_LOG_OUTPUT("Available video drivers are:\n"); for (d = 0; video_driver_find_handle(d); d++) RARCH_LOG_OUTPUT("\t%s\n", video_driver_find_ident(d)); RARCH_WARN("Going to default to first video driver...\n"); current_video = (video_driver_t*)video_driver_find_handle(0); if (!current_video) retroarch_fail(1, "find_video_driver()"); } return true; } void video_driver_apply_state_changes(void) { if (!video_driver_poke) return; if (video_driver_poke->apply_state_changes) video_driver_poke->apply_state_changes(video_driver_data); } bool video_driver_read_viewport(uint8_t *buffer) { if (!current_video->read_viewport) return false; if (!current_video->read_viewport(video_driver_data, buffer)) return false; return true; } bool video_driver_cached_frame_has_valid_framebuffer(void) { if (!frame_cache_data) return false; return frame_cache_data == RETRO_HW_FRAME_BUFFER_VALID; } bool video_driver_is_alive(void) { if (current_video) return current_video->alive(video_driver_data); return true; } bool video_driver_is_focused(void) { return current_video->focus(video_driver_data); } bool video_driver_has_windowed(void) { #if defined(RARCH_CONSOLE) || defined(RARCH_MOBILE) return false; #else return current_video->has_windowed(video_driver_data); #endif } uint64_t *video_driver_get_frame_count_ptr(void) { return &video_driver_frame_count; } bool video_driver_frame_filter_alive(void) { return !!video_driver_state_filter; } bool video_driver_frame_filter_is_32bit(void) { return video_driver_state_out_rgb32; } void video_driver_default_settings(void) { global_t *global = global_get_ptr(); if (!global) return; global->console.screen.gamma_correction = DEFAULT_GAMMA; global->console.flickerfilter_enable = false; global->console.softfilter_enable = false; global->console.screen.resolutions.current.id = 0; } void video_driver_load_settings(config_file_t *conf) { bool tmp_bool = false; global_t *global = global_get_ptr(); if (!conf) return; CONFIG_GET_BOOL_BASE(conf, global, console.screen.gamma_correction, "gamma_correction"); if (config_get_bool(conf, "flicker_filter_enable", &tmp_bool)) global->console.flickerfilter_enable = tmp_bool; if (config_get_bool(conf, "soft_filter_enable", &tmp_bool)) global->console.softfilter_enable = tmp_bool; CONFIG_GET_INT_BASE(conf, global, console.screen.soft_filter_index, "soft_filter_index"); CONFIG_GET_INT_BASE(conf, global, console.screen.resolutions.current.id, "current_resolution_id"); CONFIG_GET_INT_BASE(conf, global, console.screen.flicker_filter_index, "flicker_filter_index"); } void video_driver_save_settings(config_file_t *conf) { global_t *global = global_get_ptr(); if (!conf) return; config_set_bool(conf, "gamma_correction", global->console.screen.gamma_correction); config_set_bool(conf, "flicker_filter_enable", global->console.flickerfilter_enable); config_set_bool(conf, "soft_filter_enable", global->console.softfilter_enable); config_set_int(conf, "soft_filter_index", global->console.screen.soft_filter_index); config_set_int(conf, "current_resolution_id", global->console.screen.resolutions.current.id); config_set_int(conf, "flicker_filter_index", global->console.screen.flicker_filter_index); } void video_driver_reinit(void) { struct retro_hw_render_callback *hwr = video_driver_get_hw_context(); if (hwr->cache_context) video_driver_cache_context = true; else video_driver_cache_context = false; video_driver_cache_context_ack = false; command_event(CMD_EVENT_RESET_CONTEXT, NULL); video_driver_cache_context = false; } void video_driver_set_own_driver(void) { video_driver_data_own = true; } void video_driver_unset_own_driver(void) { video_driver_data_own = false; } bool video_driver_owns_driver(void) { return video_driver_data_own; } bool video_driver_is_hw_context(void) { return hw_render.context_type != RETRO_HW_CONTEXT_NONE; } void video_driver_deinit_hw_context(void) { if (hw_render.context_destroy) hw_render.context_destroy(); memset(&hw_render, 0, sizeof(hw_render)); hw_render_context_negotiation = NULL; } struct retro_hw_render_callback *video_driver_get_hw_context(void) { return &hw_render; } const struct retro_hw_render_context_negotiation_interface * video_driver_get_context_negotiation_interface(void) { return hw_render_context_negotiation; } void video_driver_set_context_negotiation_interface( const struct retro_hw_render_context_negotiation_interface *iface) { hw_render_context_negotiation = iface; } bool video_driver_is_video_cache_context(void) { return video_driver_cache_context; } void video_driver_set_video_cache_context_ack(void) { video_driver_cache_context_ack = true; } void video_driver_unset_video_cache_context_ack(void) { video_driver_cache_context_ack = false; } bool video_driver_is_video_cache_context_ack(void) { return video_driver_cache_context_ack; } void video_driver_set_active(void) { video_driver_active = true; } bool video_driver_is_active(void) { return video_driver_active; } bool video_driver_has_gpu_record(void) { return video_driver_record_gpu_buffer != NULL; } uint8_t *video_driver_get_gpu_record(void) { return video_driver_record_gpu_buffer; } bool video_driver_gpu_record_init(unsigned size) { video_driver_record_gpu_buffer = (uint8_t*)malloc(size); if (!video_driver_record_gpu_buffer) return false; return true; } void video_driver_gpu_record_deinit(void) { free(video_driver_record_gpu_buffer); video_driver_record_gpu_buffer = NULL; } bool video_driver_get_current_software_framebuffer(struct retro_framebuffer *fb) { if ( !video_driver_poke || !video_driver_poke->get_current_software_framebuffer) return false; if (!video_driver_poke->get_current_software_framebuffer( video_driver_data, fb)) return false; return true; } bool video_driver_get_hw_render_interface( const struct retro_hw_render_interface **iface) { if ( !video_driver_poke || !video_driver_poke->get_hw_render_interface) return false; if (!video_driver_poke->get_hw_render_interface( video_driver_data, iface)) return false; return true; } bool video_driver_get_viewport_info(struct video_viewport *viewport) { if (!current_video || !current_video->viewport_info) return false; current_video->viewport_info(video_driver_data, viewport); return true; } void video_driver_set_title_buf(void) { struct retro_system_info info; core_get_system_info(&info); fill_pathname_noext(video_driver_title_buf, msg_hash_to_str(MSG_PROGRAM), " ", sizeof(video_driver_title_buf)); strlcat(video_driver_title_buf, info.library_name, sizeof(video_driver_title_buf)); strlcat(video_driver_title_buf, " ", sizeof(video_driver_title_buf)); strlcat(video_driver_title_buf, info.library_version, sizeof(video_driver_title_buf)); } /** * video_viewport_get_scaled_integer: * @vp : Viewport handle * @width : Width. * @height : Height. * @aspect_ratio : Aspect ratio (in float). * @keep_aspect : Preserve aspect ratio? * * Gets viewport scaling dimensions based on * scaled integer aspect ratio. **/ void video_viewport_get_scaled_integer(struct video_viewport *vp, unsigned width, unsigned height, float aspect_ratio, bool keep_aspect) { int padding_x = 0; int padding_y = 0; settings_t *settings = config_get_ptr(); if (!vp) return; if (settings->video.aspect_ratio_idx == ASPECT_RATIO_CUSTOM) { struct video_viewport *custom = video_viewport_get_custom(); if (custom) { padding_x = width - custom->width; padding_y = height - custom->height; width = custom->width; height = custom->height; } } else { unsigned base_width; /* Use system reported sizes as these define the * geometry for the "normal" case. */ struct retro_system_av_info *av_info = video_viewport_get_system_av_info(); unsigned base_height = 0; if (av_info) base_height = av_info->geometry.base_height; if (base_height == 0) base_height = 1; /* Account for non-square pixels. * This is sort of contradictory with the goal of integer scale, * but it is desirable in some cases. * * If square pixels are used, base_height will be equal to * system->av_info.base_height. */ base_width = (unsigned)roundf(base_height * aspect_ratio); /* Make sure that we don't get 0x scale ... */ if (width >= base_width && height >= base_height) { if (keep_aspect) { /* X/Y scale must be same. */ unsigned max_scale = MIN(width / base_width, height / base_height); padding_x = width - base_width * max_scale; padding_y = height - base_height * max_scale; } else { /* X/Y can be independent, each scaled as much as possible. */ padding_x = width % base_width; padding_y = height % base_height; } } width -= padding_x; height -= padding_y; } vp->width = width; vp->height = height; vp->x = padding_x / 2; vp->y = padding_y / 2; } struct retro_system_av_info *video_viewport_get_system_av_info(void) { static struct retro_system_av_info av_info; return &av_info; } struct video_viewport *video_viewport_get_custom(void) { settings_t *settings = config_get_ptr(); return &settings->video_viewport_custom; } unsigned video_pixel_get_alignment(unsigned pitch) { if (pitch & 1) return 1; if (pitch & 2) return 2; if (pitch & 4) return 4; return 8; } /** * video_driver_frame: * @data : pointer to data of the video frame. * @width : width of the video frame. * @height : height of the video frame. * @pitch : pitch of the video frame. * * Video frame render callback function. **/ void video_driver_frame(const void *data, unsigned width, unsigned height, size_t pitch) { static char video_driver_msg[256]; static struct retro_perf_counter video_frame_conv = {0}; unsigned output_width = 0; unsigned output_height = 0; unsigned output_pitch = 0; const char *msg = NULL; settings_t *settings = config_get_ptr(); if (!video_driver_active) return; performance_counter_init(&video_frame_conv, "video_frame_conv"); performance_counter_start(&video_frame_conv); if (video_driver_scaler_ptr && data && (video_driver_pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555) && (data != RETRO_HW_FRAME_BUFFER_VALID) && video_pixel_frame_scale( video_driver_scaler_ptr->scaler, video_driver_scaler_ptr->scaler_out, data, width, height, pitch)) { data = video_driver_scaler_ptr->scaler_out; pitch = video_driver_scaler_ptr->scaler->out_stride; } performance_counter_stop(&video_frame_conv); video_driver_cached_frame_set(data, width, height, pitch); /* Slightly messy code, * but we really need to do processing before blocking on VSync * for best possible scheduling. */ if ( ( !video_driver_state_filter || !settings->video.post_filter_record || !data || video_driver_has_gpu_record() ) ) recording_dump_frame(data, width, height, pitch); if (data && video_driver_state_filter && video_driver_frame_filter(data, width, height, pitch, &output_width, &output_height, &output_pitch)) { data = video_driver_state_buffer; width = output_width; height = output_height; pitch = output_pitch; } video_driver_msg[0] = '\0'; if (runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_PULL, &msg) && msg) strlcpy(video_driver_msg, msg, sizeof(video_driver_msg)); if (!current_video || !current_video->frame( video_driver_data, data, width, height, video_driver_frame_count, pitch, video_driver_msg)) video_driver_active = false; video_driver_frame_count++; } void video_driver_display_type_set(enum rarch_display_type type) { video_driver_display_type = type; } uintptr_t video_driver_display_get(void) { return video_driver_display; } void video_driver_display_set(uintptr_t idx) { video_driver_display = idx; } enum rarch_display_type video_driver_display_type_get(void) { return video_driver_display_type; } void video_driver_window_set(uintptr_t idx) { video_driver_window = idx; } uintptr_t video_driver_window_get(void) { return video_driver_window; } bool video_driver_texture_load(void *data, enum texture_filter_type filter_type, uintptr_t *id) { if (!id || !video_driver_poke || !video_driver_poke->load_texture) return false; *id = video_driver_poke->load_texture(video_driver_data, data, video_driver_is_threaded(), filter_type); return true; } bool video_driver_texture_unload(uintptr_t *id) { if (!video_driver_poke || !video_driver_poke->unload_texture) return false; video_driver_poke->unload_texture(video_driver_data, *id); *id = 0; return true; }