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RetroArch/gfx/video_driver.c

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/* 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 <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <string.h>
#include <retro_assert.h>
#include <gfx/scaler/pixconv.h>
#include <gfx/scaler/scaler.h>
#ifdef HAVE_THREADS
#include <rthreads/rthreads.h>
#endif
#include <file/config_file.h>
#include <features/features_cpu.h>
#include "video_thread_wrapper.h"
#include "../frontend/frontend_driver.h"
#include "video_context_driver.h"
#include "../record/record_driver.h"
#include "../config.def.h"
#include "../retroarch.h"
#include "../runloop.h"
#include "../performance_counters.h"
#include "../list_special.h"
#include "../core.h"
#include "../system.h"
#include "../command.h"
#include "../msg_hash.h"
#ifdef HAVE_MENU
#include "../menu/menu_hash.h"
#include "../menu/menu_setting.h"
#endif
#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
#ifdef _WIN32
#define U64_SIGN "%I64u"
#else
#define U64_SIGN "%llu"
#endif
typedef struct video_driver_state
{
struct
{
retro_time_t samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
uint64_t count;
} frame_time;
enum retro_pixel_format pix_fmt;
unsigned video_width;
unsigned video_height;
float aspect_ratio;
struct
{
const void *data;
unsigned width;
unsigned height;
size_t pitch;
} frame_cache;
struct
{
rarch_softfilter_t *filter;
void *buffer;
unsigned scale;
unsigned out_bpp;
bool out_rgb32;
} filter;
} video_driver_state_t;
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 enum rarch_display_type video_driver_display_type;
static char video_driver_title_buf[64];
static uint64_t video_driver_frame_count;
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;
static video_driver_state_t video_driver_state;
/* 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;
char rotation_lut[4][32] =
{
"Normal",
"90 deg",
"180 deg",
"270 deg"
};
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 },
{ "4:4", 1.0f },
{ "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 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
&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;
}
/**
* 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
settings_t *settings = config_get_ptr();
if (settings->video.threaded
&& !video_driver_is_hw_context()
&& !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.filter);
#ifdef _3DS
linearFree(video_driver_state.filter.buffer);
#else
free(video_driver_state.filter.buffer);
#endif
memset(&video_driver_state.filter, 0,
sizeof(video_driver_state.filter));
}
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.filter = rarch_softfilter_new(
settings->path.softfilter_plugin,
RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height);
if (!video_driver_state.filter.filter)
{
RARCH_ERR("Failed to load filter.\n");
return;
}
rarch_softfilter_get_max_output_size(video_driver_state.filter.filter,
&width, &height);
pow2_x = next_pow2(width);
pow2_y = next_pow2(height);
maxsize = MAX(pow2_x, pow2_y);
video_driver_state.filter.scale = maxsize / RARCH_SCALE_BASE;
video_driver_state.filter.out_rgb32 = rarch_softfilter_get_output_format(
video_driver_state.filter.filter) == RETRO_PIXEL_FORMAT_XRGB8888;
video_driver_state.filter.out_bpp =
video_driver_state.filter.out_rgb32 ?
sizeof(uint32_t) : sizeof(uint16_t);
/* TODO: Aligned output. */
#ifdef _3DS
video_driver_state.filter.buffer = linearMemAlign(width
* height * video_driver_state.filter.out_bpp, 0x80);
#else
video_driver_state.filter.buffer = malloc(width
* height * video_driver_state.filter.out_bpp);
#endif
if (!video_driver_state.filter.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_state.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_get_pixel_format() != 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_state.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.filter)
scale = video_driver_state.filter.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.filter ?
video_driver_state.filter.out_rgb32 :
(video_driver_state.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 (settings->video.threaded
&& !video_driver_is_hw_context())
{
/* Can't do hardware rendering with threaded driver currently. */
RARCH_LOG("Starting threaded video driver ...\n");
if (!video_init_thread((const video_driver_t**)&current_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);
video_driver_state.frame_cache.width = width;
video_driver_state.frame_cache.height = height;
video_driver_state.frame_cache.pitch = pitch;
}
void video_driver_cached_frame_get(const void **data, unsigned *width,
unsigned *height, size_t *pitch)
{
if (data)
*data = video_driver_state.frame_cache.data;
if (width)
*width = video_driver_state.frame_cache.width;
if (height)
*height = video_driver_state.frame_cache.height;
if (pitch)
*pitch = video_driver_state.frame_cache.pitch;
}
void video_driver_get_size(unsigned *width, unsigned *height)
{
if (width)
*width = video_driver_state.video_width;
if (height)
*height = video_driver_state.video_height;
}
void video_driver_set_size(unsigned *width, unsigned *height)
{
if (width)
video_driver_state.video_width = *width;
if (height)
video_driver_state.video_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_state.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_state.frame_time.samples[i];
#if 0
for (i = 0; i < samples; i++)
RARCH_LOG("Interval #%u: %d usec / frame.\n",
i, (int)video_driver_state.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_state.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_state.frame_time.count++ &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1);
video_driver_state.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;
strlcpy(buf, video_driver_title_buf, size);
strlcat(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, " || ", size);
}
strlcat(buf, "Frames: ", size);
snprintf(frames_text, sizeof(frames_text), U64_SIGN,
(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 || Frames: " U64_SIGN,
last_fps, (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, "N/A", size_fps);
return true;
}
float video_driver_get_aspect_ratio(void)
{
return video_driver_state.aspect_ratio;
}
void video_driver_set_aspect_ratio_value(float value)
{
video_driver_state.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");
if (!video_driver_state.filter.filter || !data)
return false;
rarch_softfilter_get_output_size(video_driver_state.filter.filter,
output_width, output_height, width, height);
*output_pitch = (*output_width) * video_driver_state.filter.out_bpp;
performance_counter_start(&softfilter_process);
rarch_softfilter_process(video_driver_state.filter.filter,
video_driver_state.filter.buffer, *output_pitch,
data, width, height, pitch);
performance_counter_stop(&softfilter_process);
if (settings->video.post_filter_record)
recording_dump_frame(video_driver_state.filter.buffer,
*output_width, *output_height, *output_pitch);
return true;
}
rarch_softfilter_t *video_driver_frame_filter_get_ptr(void)
{
return video_driver_state.filter.filter;
}
enum retro_pixel_format video_driver_get_pixel_format(void)
{
return video_driver_state.pix_fmt;
}
void video_driver_set_pixel_format(enum retro_pixel_format fmt)
{
video_driver_state.pix_fmt = fmt;
}
/**
* video_driver_cached_frame:
*
* Renders the current video frame.
**/
static bool video_driver_cached_frame(void)
{
retro_ctx_frame_info_t info;
void *recording = recording_driver_get_data_ptr();
if (runloop_ctl(RUNLOOP_CTL_IS_IDLE, NULL))
return true; /* Maybe return false here for indication of idleness? */
/* 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 = NULL;
info.width = video_driver_state.frame_cache.width;
info.height = video_driver_state.frame_cache.height;
info.pitch = video_driver_state.frame_cache.pitch;
if (video_driver_state.frame_cache.data != RETRO_HW_FRAME_BUFFER_VALID)
info.data = video_driver_state.frame_cache.data;
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_hash_to_str(MENU_LABEL_SCREEN_RESOLUTION),
menu_hash_to_str(MENU_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_hash_to_str(MENU_LABEL_PAL60_ENABLE),
menu_hash_to_str(MENU_LABEL_VALUE_PAL60_ENABLE),
false,
menu_hash_to_str(MENU_VALUE_OFF),
menu_hash_to_str(MENU_VALUE_ON),
group_info,
subgroup_info,
parent_group,
general_write_handler,
general_read_handler);
#endif
#if defined(HW_RVL) || defined(_XBOX360)
CONFIG_UINT(
list, list_info,
&global->console.screen.gamma_correction,
menu_hash_to_str(MENU_LABEL_VIDEO_GAMMA),
menu_hash_to_str(MENU_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_hash_to_str(MENU_LABEL_VIDEO_SOFT_FILTER),
menu_hash_to_str(MENU_LABEL_VALUE_VIDEO_SOFT_FILTER),
false,
menu_hash_to_str(MENU_VALUE_OFF),
menu_hash_to_str(MENU_VALUE_ON),
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);
#endif
#ifdef _XBOX1
CONFIG_UINT(
list, list_info,
&settings->video.swap_interval,
menu_hash_to_str(MENU_LABEL_VIDEO_FILTER_FLICKER),
menu_hash_to_str(MENU_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
}
/* 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 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
void video_driver_lock(void)
{
#ifdef HAVE_THREADS
if (!display_lock)
return;
slock_lock(display_lock);
#endif
}
void video_driver_unlock(void)
{
#ifdef HAVE_THREADS
if (!display_lock)
return;
slock_unlock(display_lock);
#endif
}
void video_driver_lock_free(void)
{
#ifdef HAVE_THREADS
slock_free(display_lock);
display_lock = NULL;
#endif
}
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)
video_driver_state.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),
"%u:%u (1:1 PAR)", 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_state.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)
{
settings_t *settings = config_get_ptr();
int i;
driver_ctx_info_t drv;
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 (!video_driver_state.frame_cache.data)
return false;
return video_driver_state.frame_cache.data == RETRO_HW_FRAME_BUFFER_VALID;
}
bool video_driver_cached_frame_render(void)
{
if (!current_video)
return false;
return video_driver_cached_frame();
}
bool video_driver_is_alive(void)
{
if (current_video)
return current_video->alive(video_driver_data);
else
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.filter;
}
bool video_driver_frame_filter_is_32bit(void)
{
return video_driver_state.filter.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)
{
global_t *global = global_get_ptr();
if (!conf)
return;
CONFIG_GET_BOOL_BASE(conf, global,
console.screen.gamma_correction, "gamma_correction");
config_get_bool(conf, "flicker_filter_enable",
&global->console.flickerfilter_enable);
config_get_bool(conf, "soft_filter_enable",
&global->console.softfilter_enable);
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_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));
}
struct retro_hw_render_callback *video_driver_get_hw_context(void)
{
return &hw_render;
}
void video_driver_set_video_cache_context(void)
{
video_driver_cache_context = true;
}
void video_driver_unset_video_cache_context(void)
{
video_driver_cache_context = false;
}
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;
}
void video_driver_unset_active(void)
{
video_driver_active = false;
}
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);
strlcpy(video_driver_title_buf,
msg_hash_to_str(MSG_PROGRAM),
sizeof(video_driver_title_buf));
strlcat(video_driver_title_buf,
" ", 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;
}
static bool video_pixel_frame_scale(const void *data,
unsigned width, unsigned height,
size_t pitch)
{
static struct retro_perf_counter video_frame_conv = {0};
performance_counter_init(&video_frame_conv, "video_frame_conv");
if ( !data
|| video_driver_get_pixel_format() != RETRO_PIXEL_FORMAT_0RGB1555)
return false;
if (data == RETRO_HW_FRAME_BUFFER_VALID)
return false;
performance_counter_start(&video_frame_conv);
video_driver_scaler_ptr->scaler->in_width = width;
video_driver_scaler_ptr->scaler->in_height = height;
video_driver_scaler_ptr->scaler->out_width = width;
video_driver_scaler_ptr->scaler->out_height = height;
video_driver_scaler_ptr->scaler->in_stride = pitch;
video_driver_scaler_ptr->scaler->out_stride = width * sizeof(uint16_t);
scaler_ctx_scale(video_driver_scaler_ptr->scaler,
video_driver_scaler_ptr->scaler_out, data);
performance_counter_stop(&video_frame_conv);
return true;
}
/**
* 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];
unsigned output_width = 0;
unsigned output_height = 0;
unsigned output_pitch = 0;
const char *msg = NULL;
settings_t *settings = config_get_ptr();
runloop_ctl(RUNLOOP_CTL_MSG_QUEUE_PULL, &msg);
if (!video_driver_is_active())
return;
if (video_driver_scaler_ptr &&
video_pixel_frame_scale(data, width, height, pitch))
{
data = video_driver_scaler_ptr->scaler_out;
pitch = video_driver_scaler_ptr->scaler->out_stride;
}
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.filter
|| !settings->video.post_filter_record
|| !data
|| video_driver_has_gpu_record()
)
)
recording_dump_frame(data, width, height, pitch);
if (video_driver_frame_filter(data, width, height, pitch,
&output_width, &output_height, &output_pitch))
{
data = video_driver_state.filter.buffer;
width = output_width;
height = output_height;
pitch = output_pitch;
}
video_driver_msg[0] = '\0';
if (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_unset_active();
}
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)
{
#ifdef HAVE_THREADS
settings_t *settings = config_get_ptr();
#endif
if (!id || !video_driver_poke || !video_driver_poke->load_texture)
return false;
*id = video_driver_poke->load_texture(video_driver_data, data,
#ifdef HAVE_THREADS
settings->video.threaded
&& !video_driver_is_hw_context(),
#else
false,
#endif
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;
}
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