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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) 2011-2021 - 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 <math.h>
#include <string/stdstring.h>
#include <retro_math.h>
#include <retro_assert.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include <gfx/video_frame.h>
#include "../config.def.h"
#include "video_driver.h"
#include "video_filter.h"
#include "video_display_server.h"
#include "gfx_animation.h"
#ifdef HAVE_GFX_WIDGETS
#include "gfx_widgets.h"
#endif
#ifdef HAVE_THREADS
#include "video_thread_wrapper.h"
#endif
#ifdef HAVE_MENU
#include "../menu/menu_driver.h"
#endif
#ifdef _WIN32
#include "common/win32_common.h"
#endif
#include "../audio/audio_driver.h"
#include "../frontend/frontend_driver.h"
#include "../record/record_driver.h"
#include "../ui/ui_companion_driver.h"
#include "../driver.h"
#include "../file_path_special.h"
#include "../list_special.h"
#include "../retroarch.h"
#include "../verbosity.h"
#define TIME_TO_FPS(last_time, new_time, frames) ((1000000.0f * (frames)) / ((new_time) - (last_time)))
typedef struct
{
struct string_list *list;
enum gfx_ctx_api api;
} gfx_api_gpu_map;
static gfx_api_gpu_map gpu_map[] = {
{ NULL, GFX_CTX_VULKAN_API },
{ NULL, GFX_CTX_DIRECT3D10_API },
{ NULL, GFX_CTX_DIRECT3D11_API },
{ NULL, GFX_CTX_DIRECT3D12_API }
};
static const video_display_server_t dispserv_null = {
NULL, /* init */
NULL, /* destroy */
NULL, /* set_window_opacity */
NULL, /* set_window_progress */
NULL, /* set_window_decorations */
NULL, /* set_resolution */
NULL, /* get_resolution_list */
NULL, /* get_output_options */
NULL, /* set_screen_orientation */
NULL, /* get_screen_orientation */
NULL, /* get_flags */
"null"
};
#ifdef HAVE_VULKAN
static const gfx_ctx_driver_t *gfx_ctx_vk_drivers[] = {
#if defined(__APPLE__)
&gfx_ctx_cocoavk,
#endif
#if defined(_WIN32) && !defined(__WINRT__)
&gfx_ctx_w_vk,
#endif
#if defined(ANDROID)
&gfx_ctx_vk_android,
#endif
#if defined(HAVE_WAYLAND)
&gfx_ctx_vk_wayland,
#endif
#if defined(HAVE_X11)
&gfx_ctx_vk_x,
#endif
#if defined(HAVE_VULKAN_DISPLAY)
&gfx_ctx_khr_display,
#endif
&gfx_ctx_null,
NULL
};
#endif
static const gfx_ctx_driver_t *gfx_ctx_gl_drivers[] = {
#if defined(ORBIS)
&orbis_ctx,
#endif
#if defined(HAVE_VITAGL) | defined(HAVE_VITAGLES)
&vita_ctx,
#endif
#if !defined(__PSL1GHT__) && defined(__PS3__)
&gfx_ctx_ps3,
#endif
#if defined(HAVE_LIBNX) && defined(HAVE_OPENGL)
&switch_ctx,
#endif
#if defined(HAVE_VIDEOCORE)
&gfx_ctx_videocore,
#endif
#if defined(HAVE_MALI_FBDEV)
&gfx_ctx_mali_fbdev,
#endif
#if defined(HAVE_VIVANTE_FBDEV)
&gfx_ctx_vivante_fbdev,
#endif
#if defined(HAVE_OPENDINGUX_FBDEV)
&gfx_ctx_opendingux_fbdev,
#endif
#if defined(_WIN32) && !defined(__WINRT__) && (defined(HAVE_OPENGL) || defined(HAVE_OPENGL1) || defined(HAVE_OPENGL_CORE))
&gfx_ctx_wgl,
#endif
#if defined(__WINRT__) && defined(HAVE_OPENGLES)
&gfx_ctx_uwp,
#endif
#if defined(HAVE_WAYLAND)
&gfx_ctx_wayland,
#endif
#if defined(HAVE_X11) && !defined(HAVE_OPENGLES)
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGL1) || defined(HAVE_OPENGL_CORE)
&gfx_ctx_x,
#endif
#endif
#if defined(HAVE_X11) && defined(HAVE_OPENGL) && defined(HAVE_EGL)
&gfx_ctx_x_egl,
#endif
#if defined(HAVE_KMS)
#if defined(HAVE_ODROIDGO2)
&gfx_ctx_go2_drm,
#endif
&gfx_ctx_drm,
#endif
#if defined(ANDROID)
&gfx_ctx_android,
#endif
#if defined(__QNX__)
&gfx_ctx_qnx,
#endif
#if defined(HAVE_COCOA) || defined(HAVE_COCOATOUCH) || defined(HAVE_COCOA_METAL)
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
&gfx_ctx_cocoagl,
#endif
#endif
#if (defined(HAVE_SDL) || defined(HAVE_SDL2)) && (defined(HAVE_OPENGL) || defined(HAVE_OPENGL1) || defined(HAVE_OPENGL_CORE))
&gfx_ctx_sdl_gl,
#endif
#ifdef HAVE_OSMESA
&gfx_ctx_osmesa,
#endif
#ifdef EMSCRIPTEN
&gfx_ctx_emscripten,
#endif
&gfx_ctx_null,
NULL
};
struct aspect_ratio_elem aspectratio_lut[ASPECT_RATIO_END] = {
{ 1.3333f, "4:3" },
{ 1.7778f, "16:9" },
{ 1.6f, "16:10" },
{ 16.0f / 15.0f, "16:15" },
{ 21.0f / 9.0f, "21:9" },
{ 1.0f, "1:1" },
{ 2.0f, "2:1" },
{ 1.5f, "3:2" },
{ 0.75f, "3:4" },
{ 4.0f, "4:1" },
{ 0.5625f, "9:16" },
{ 1.25f, "5:4" },
{ 1.2f, "6:5" },
{ 0.7777f, "7:9" },
{ 2.6666f, "8:3" },
{ 1.1428f, "8:7" },
{ 1.5833f, "19:12" },
{ 1.3571f, "19:14" },
{ 1.7647f, "30:17" },
{ 3.5555f, "32:9" },
{ 0.0f, "Config" },
{ 1.0f, "Square pixel" },
{ 1.0f, "Core provided" },
{ 0.0f, "Custom" },
{ 1.3333f, "Full" }
};
static void *video_null_init(const video_info_t *video,
input_driver_t **input, void **input_data)
{
*input = NULL;
*input_data = NULL;
frontend_driver_install_signal_handler();
return (void*)-1;
}
static bool video_null_frame(void *data, const void *frame,
unsigned frame_width, unsigned frame_height, uint64_t frame_count,
unsigned pitch, const char *msg, video_frame_info_t *video_info)
{
return true;
}
static void video_null_free(void *data) { }
static void video_null_set_nonblock_state(void *a, bool b, bool c, unsigned d) { }
static bool video_null_alive(void *data) { return frontend_driver_get_signal_handler_state() != 1; }
static bool video_null_focus(void *data) { return true; }
static bool video_null_has_windowed(void *data) { return true; }
static bool video_null_suppress_screensaver(void *data, bool enable) { return false; }
static bool video_null_set_shader(void *data,
enum rarch_shader_type type, const char *path) { return false; }
video_driver_t video_null = {
video_null_init,
video_null_frame,
video_null_set_nonblock_state,
video_null_alive,
video_null_focus,
video_null_suppress_screensaver,
video_null_has_windowed,
video_null_set_shader,
video_null_free,
"null",
NULL, /* set_viewport */
NULL, /* set_rotation */
NULL, /* viewport_info */
NULL, /* read_viewport */
NULL, /* read_frame_raw */
#ifdef HAVE_OVERLAY
NULL, /* overlay_interface */
#endif
#ifdef HAVE_VIDEO_LAYOUT
NULL,
#endif
NULL, /* get_poke_interface */
};
const video_driver_t *video_drivers[] = {
#ifdef __PSL1GHT__
&video_gcm,
#endif
#ifdef HAVE_VITA2D
&video_vita2d,
#endif
#ifdef HAVE_OPENGL
&video_gl2,
#endif
#if defined(HAVE_OPENGL_CORE)
&video_gl3,
#endif
#ifdef HAVE_OPENGL1
&video_gl1,
#endif
#ifdef HAVE_VULKAN
&video_vulkan,
#endif
#ifdef HAVE_METAL
&video_metal,
#endif
#ifdef XENON
&video_xenon360,
#endif
#if defined(HAVE_D3D12)
&video_d3d12,
#endif
#if defined(HAVE_D3D11)
&video_d3d11,
#endif
#if defined(HAVE_D3D10)
&video_d3d10,
#endif
#if defined(HAVE_D3D9)
&video_d3d9,
#endif
#if defined(HAVE_D3D8)
&video_d3d8,
#endif
#ifdef PSP
&video_psp1,
#endif
#ifdef PS2
&video_ps2,
#endif
#ifdef _3DS
&video_ctr,
#endif
#ifdef SWITCH
&video_switch,
#endif
#ifdef HAVE_ODROIDGO2
&video_oga,
#endif
#if defined(HAVE_SDL) && !defined(HAVE_SDL_DINGUX)
&video_sdl,
#endif
#ifdef HAVE_SDL2
&video_sdl2,
#endif
#ifdef HAVE_SDL_DINGUX
#if defined(RS90) || defined(MIYOO)
&video_sdl_rs90,
#else
&video_sdl_dingux,
#endif
#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
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
#ifdef HAVE_GDI
&video_gdi,
#endif
#endif
#ifdef DJGPP
&video_vga,
#endif
#ifdef HAVE_FPGA
&video_fpga,
#endif
#ifdef HAVE_SIXEL
&video_sixel,
#endif
#ifdef HAVE_CACA
&video_caca,
#endif
#ifdef HAVE_NETWORK_VIDEO
&video_network,
#endif
&video_null,
NULL,
};
static video_driver_state_t video_driver_st = { 0 };
static const video_display_server_t *current_display_server =
&dispserv_null;
struct retro_hw_render_callback *video_driver_get_hw_context(void)
{
video_driver_state_t *video_st = &video_driver_st;
return VIDEO_DRIVER_GET_HW_CONTEXT_INTERNAL(video_st);
}
video_driver_state_t *video_state_get_ptr(void)
{
return &video_driver_st;
}
void crt_switch_driver_refresh(void)
{
video_driver_reinit(DRIVERS_CMD_ALL);
}
#ifdef HAVE_THREADS
void *video_thread_get_ptr(video_driver_state_t *video_st)
{
const thread_video_t *thr = (const thread_video_t*)video_st->data;
if (thr)
return thr->driver_data;
return NULL;
}
#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(void)
{
video_driver_state_t *video_st = &video_driver_st;
return VIDEO_DRIVER_GET_PTR_INTERNAL(video_st);
}
video_driver_t *hw_render_context_driver(
enum retro_hw_context_type type, int major, int minor)
{
switch (type)
{
case RETRO_HW_CONTEXT_OPENGL_CORE:
#ifdef HAVE_OPENGL_CORE
return &video_gl3;
#else
break;
#endif
case RETRO_HW_CONTEXT_OPENGL:
#ifdef HAVE_OPENGL
return &video_gl2;
#else
break;
#endif
case RETRO_HW_CONTEXT_DIRECT3D:
#if defined(HAVE_D3D9)
if (major == 9)
return &video_d3d9;
#endif
#if defined(HAVE_D3D11)
if (major == 11)
return &video_d3d11;
#endif
break;
case RETRO_HW_CONTEXT_VULKAN:
#if defined(HAVE_VULKAN)
return &video_vulkan;
#else
break;
#endif
default:
case RETRO_HW_CONTEXT_NONE:
break;
}
return NULL;
}
const char *hw_render_context_name(
enum retro_hw_context_type type, int major, int minor)
{
#ifdef HAVE_OPENGL_CORE
if (type == RETRO_HW_CONTEXT_OPENGL_CORE)
return "glcore";
#endif
#ifdef HAVE_OPENGL
switch (type)
{
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGLES3:
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
case RETRO_HW_CONTEXT_OPENGL:
#ifndef HAVE_OPENGL_CORE
case RETRO_HW_CONTEXT_OPENGL_CORE:
#endif
return "gl";
default:
break;
}
#endif
#ifdef HAVE_VULKAN
if (type == RETRO_HW_CONTEXT_VULKAN)
return "vulkan";
#endif
#ifdef HAVE_D3D11
if (type == RETRO_HW_CONTEXT_DIRECT3D && major == 11)
return "d3d11";
#endif
#ifdef HAVE_D3D9
if (type == RETRO_HW_CONTEXT_DIRECT3D && major == 9)
return "d3d9";
#endif
return "N/A";
}
enum retro_hw_context_type hw_render_context_type(const char *s)
{
#ifdef HAVE_OPENGL_CORE
if (string_is_equal(s, "glcore"))
return RETRO_HW_CONTEXT_OPENGL_CORE;
#endif
#ifdef HAVE_OPENGL
if (string_is_equal(s, "gl"))
return RETRO_HW_CONTEXT_OPENGL;
#endif
#ifdef HAVE_VULKAN
if (string_is_equal(s, "vulkan"))
return RETRO_HW_CONTEXT_VULKAN;
#endif
#ifdef HAVE_D3D11
if (string_is_equal(s, "d3d11"))
return RETRO_HW_CONTEXT_DIRECT3D;
#endif
#ifdef HAVE_D3D11
if (string_is_equal(s, "d3d9"))
return RETRO_HW_CONTEXT_DIRECT3D;
#endif
return RETRO_HW_CONTEXT_NONE;
}
/* string list stays owned by the caller and must be available at
* all times after the video driver is inited */
void video_driver_set_gpu_api_devices(
enum gfx_ctx_api api, struct string_list *list)
{
int i;
for (i = 0; i < ARRAY_SIZE(gpu_map); i++)
{
if (api == gpu_map[i].api)
{
gpu_map[i].list = list;
break;
}
}
}
struct string_list* video_driver_get_gpu_api_devices(enum gfx_ctx_api api)
{
int i;
for (i = 0; i < ARRAY_SIZE(gpu_map); i++)
{
if (api == gpu_map[i].api)
return gpu_map[i].list;
}
return NULL;
}
/**
* video_driver_translate_coord_viewport:
* @mouse_x : Pointer X coordinate.
* @mouse_y : Pointer Y coordinate.
* @res_x : Scaled X coordinate.
* @res_y : Scaled Y coordinate.
* @res_screen_x : Scaled screen X coordinate.
* @res_screen_y : Scaled screen Y coordinate.
*
* Translates pointer [X,Y] coordinates into scaled screen
* coordinates based on viewport info.
*
* Returns: true (1) if successful, false if video driver doesn't support
* viewport info.
**/
bool video_driver_translate_coord_viewport(
struct video_viewport *vp,
int mouse_x, int mouse_y,
int16_t *res_x, int16_t *res_y,
int16_t *res_screen_x, int16_t *res_screen_y)
{
int norm_vp_width = (int)vp->width;
int norm_vp_height = (int)vp->height;
int norm_full_vp_width = (int)vp->full_width;
int norm_full_vp_height = (int)vp->full_height;
int scaled_screen_x = -0x8000; /* OOB */
int scaled_screen_y = -0x8000; /* OOB */
int scaled_x = -0x8000; /* OOB */
int scaled_y = -0x8000; /* OOB */
if (norm_vp_width <= 0 ||
norm_vp_height <= 0 ||
norm_full_vp_width <= 0 ||
norm_full_vp_height <= 0)
return false;
if (mouse_x >= 0 && mouse_x <= norm_full_vp_width)
scaled_screen_x = ((2 * mouse_x * 0x7fff)
/ norm_full_vp_width) - 0x7fff;
if (mouse_y >= 0 && mouse_y <= norm_full_vp_height)
scaled_screen_y = ((2 * mouse_y * 0x7fff)
/ norm_full_vp_height) - 0x7fff;
mouse_x -= vp->x;
mouse_y -= vp->y;
if (mouse_x >= 0 && mouse_x <= norm_vp_width)
scaled_x = ((2 * mouse_x * 0x7fff)
/ norm_vp_width) - 0x7fff;
else
scaled_x = -0x8000; /* OOB */
if (mouse_y >= 0 && mouse_y <= norm_vp_height)
scaled_y = ((2 * mouse_y * 0x7fff)
/ norm_vp_height) - 0x7fff;
*res_x = scaled_x;
*res_y = scaled_y;
*res_screen_x = scaled_screen_x;
*res_screen_y = scaled_screen_y;
return true;
}
void video_monitor_compute_fps_statistics(uint64_t
frame_time_count)
{
double avg_fps = 0.0;
double stddev = 0.0;
unsigned samples = 0;
if (frame_time_count <
(2 * MEASURE_FRAME_TIME_SAMPLES_COUNT))
{
RARCH_LOG(
"[Video]: 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("[Video]: Average monitor Hz: %.6f Hz. (%.3f %% frame time"
" deviation, based on %u last samples).\n",
avg_fps, 100.0f * stddev, samples);
}
}
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);
if (settings->bools.notification_show_refresh_rate)
runloop_msg_queue_push(msg, 1, 180, false, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
RARCH_LOG("[Video]: %s\n", msg);
configuration_set_float(settings,
settings->floats.video_refresh_rate,
hz);
}
void video_driver_force_fallback(const char *driver)
{
settings_t *settings = config_get_ptr();
ui_msg_window_t *msg_window = NULL;
configuration_set_string(settings,
settings->arrays.video_driver,
driver);
command_event(CMD_EVENT_MENU_SAVE_CURRENT_CONFIG, NULL);
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__) && !defined(WINAPI_FAMILY)
/* UI companion driver is not inited yet, just call into it directly */
msg_window = &ui_msg_window_win32;
#endif
if (msg_window)
{
char text[PATH_MAX_LENGTH];
ui_msg_window_state window_state;
char *title = strdup(msg_hash_to_str(MSG_ERROR));
text[0] = '\0';
snprintf(text, sizeof(text),
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_VIDEO_DRIVER_FALLBACK),
driver);
window_state.buttons = UI_MSG_WINDOW_OK;
window_state.text = strdup(text);
window_state.title = title;
window_state.window = NULL;
msg_window->error(&window_state);
free(title);
}
exit(1);
}
static bool get_metrics_null(void *data, enum display_metric_types type,
float *value) { return false; }
static bool video_context_driver_get_metrics_null(
void *data, enum display_metric_types type,
float *value) { return false; }
void video_context_driver_destroy(gfx_ctx_driver_t *ctx_driver)
{
if (!ctx_driver)
return;
ctx_driver->init = NULL;
ctx_driver->bind_api = NULL;
ctx_driver->swap_interval = NULL;
ctx_driver->set_video_mode = NULL;
ctx_driver->get_video_size = NULL;
ctx_driver->get_video_output_size = NULL;
ctx_driver->get_video_output_prev = NULL;
ctx_driver->get_video_output_next = NULL;
ctx_driver->get_metrics =
video_context_driver_get_metrics_null;
ctx_driver->translate_aspect = NULL;
ctx_driver->update_window_title = NULL;
ctx_driver->check_window = NULL;
ctx_driver->set_resize = NULL;
ctx_driver->suppress_screensaver = NULL;
ctx_driver->swap_buffers = NULL;
ctx_driver->input_driver = NULL;
ctx_driver->get_proc_address = NULL;
ctx_driver->image_buffer_init = NULL;
ctx_driver->image_buffer_write = NULL;
ctx_driver->show_mouse = NULL;
ctx_driver->ident = NULL;
ctx_driver->get_flags = NULL;
ctx_driver->set_flags = NULL;
ctx_driver->bind_hw_render = NULL;
ctx_driver->get_context_data = NULL;
ctx_driver->make_current = NULL;
}
const gfx_ctx_driver_t *video_context_driver_init(
bool core_set_shared_context,
settings_t *settings,
void *data,
const gfx_ctx_driver_t *ctx,
const char *ident,
enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx,
void **ctx_data)
{
if (!ctx->bind_api(data, api, major, minor))
{
RARCH_WARN("Failed to bind API (#%u, version %u.%u)"
" on context driver \"%s\".\n",
(unsigned)api, major, minor, ctx->ident);
return NULL;
}
if (!(*ctx_data = ctx->init(data)))
return NULL;
if (ctx->bind_hw_render)
{
bool video_shared_context =
settings->bools.video_shared_context || core_set_shared_context;
ctx->bind_hw_render(*ctx_data,
video_shared_context && hw_render_ctx);
}
return ctx;
}
/**
* 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);
}
void video_driver_pixel_converter_free(
video_pixel_scaler_t *scalr)
{
if (!scalr)
return;
if (scalr->scaler)
{
scaler_ctx_gen_reset(scalr->scaler);
free(scalr->scaler);
}
if (scalr->scaler_out)
free(scalr->scaler_out);
scalr->scaler = NULL;
scalr->scaler_out = NULL;
free(scalr);
}
video_pixel_scaler_t *video_driver_pixel_converter_init(
const enum retro_pixel_format video_driver_pix_fmt,
struct retro_hw_render_callback *hwr,
unsigned size)
{
void *scalr_out = NULL;
video_pixel_scaler_t *scalr = NULL;
struct scaler_ctx *scalr_ctx = NULL;
/* 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 NULL;
/* No need to perform pixel conversion for HW rendering contexts. */
if (hwr && hwr->context_type != RETRO_HW_CONTEXT_NONE)
return NULL;
RARCH_WARN("[Video]: 0RGB1555 pixel format is deprecated,"
" and will be slower. For 15/16-bit, RGB565"
" format is preferred.\n");
if (!(scalr = (video_pixel_scaler_t*)malloc(sizeof(*scalr))))
goto error;
scalr->scaler = NULL;
scalr->scaler_out = NULL;
if (!(scalr_ctx = (struct scaler_ctx*)calloc(1, sizeof(*scalr_ctx))))
goto error;
scalr->scaler = scalr_ctx;
scalr->scaler->scaler_type = SCALER_TYPE_POINT;
scalr->scaler->in_fmt = SCALER_FMT_0RGB1555;
/* TODO/FIXME: Pick either ARGB8888 or RGB565 depending on driver. */
scalr->scaler->out_fmt = SCALER_FMT_RGB565;
if (!scaler_ctx_gen_filter(scalr_ctx))
goto error;
if (!(scalr_out = calloc(sizeof(uint16_t), size * size)))
goto error;
scalr->scaler_out = scalr_out;
return scalr;
error:
video_driver_pixel_converter_free(scalr);
#ifdef HAVE_VIDEO_FILTER
video_driver_filter_free();
#endif
return NULL;
}
struct video_viewport *video_viewport_get_custom(void)
{
return &config_get_ptr()->video_viewport_custom;
}
bool video_driver_monitor_adjust_system_rates(
float timing_skew_hz,
float video_refresh_rate,
bool vrr_runloop_enable,
float audio_max_timing_skew,
double input_fps)
{
if (!vrr_runloop_enable)
{
float timing_skew = fabs(
1.0f - input_fps / timing_skew_hz);
/* We don't want to adjust pitch too much. If we have extreme cases,
* just don't readjust at all. */
if (timing_skew <= audio_max_timing_skew)
return true;
RARCH_LOG("[Video]: Timings deviate too much. Will not adjust."
" (Display = %.2f Hz, Game = %.2f Hz)\n",
video_refresh_rate,
(float)input_fps);
}
return input_fps <= timing_skew_hz;
}
void video_driver_reset_custom_viewport(settings_t *settings)
{
struct video_viewport *custom_vp = &settings->video_viewport_custom;
custom_vp->width = 0;
custom_vp->height = 0;
custom_vp->x = 0;
custom_vp->y = 0;
}
struct retro_system_av_info *video_viewport_get_system_av_info(void)
{
return &video_driver_st.av_info;
}
void video_driver_gpu_record_deinit(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->record_gpu_buffer)
free(video_st->record_gpu_buffer);
video_st->record_gpu_buffer = NULL;
}
void recording_dump_frame(
const void *data, unsigned width,
unsigned height, size_t pitch, bool is_idle)
{
struct record_video_data ffemu_data;
video_driver_state_t
*video_st = &video_driver_st;
recording_state_t
*record_st = recording_state_get_ptr();
ffemu_data.data = data;
ffemu_data.width = width;
ffemu_data.height = height;
ffemu_data.pitch = (int)pitch;
ffemu_data.is_dupe = false;
if (video_st->record_gpu_buffer)
{
struct video_viewport vp;
vp.x = 0;
vp.y = 0;
vp.width = 0;
vp.height = 0;
vp.full_width = 0;
vp.full_height = 0;
video_driver_get_viewport_info(&vp);
if (!vp.width || !vp.height)
{
RARCH_WARN("[Recording]: %s\n",
msg_hash_to_str(MSG_VIEWPORT_SIZE_CALCULATION_FAILED));
video_driver_gpu_record_deinit();
recording_dump_frame(
data, width, height, pitch, is_idle);
return;
}
/* User has resized. We kinda have a problem now. */
if ( vp.width != record_st->gpu_width ||
vp.height != record_st->gpu_height)
{
RARCH_WARN("[Recording]: %s\n",
msg_hash_to_str(MSG_RECORDING_TERMINATED_DUE_TO_RESIZE));
runloop_msg_queue_push(
msg_hash_to_str(MSG_RECORDING_TERMINATED_DUE_TO_RESIZE),
1, 180, true,
NULL, MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
command_event(CMD_EVENT_RECORD_DEINIT, NULL);
return;
}
/* Big bottleneck.
* Since we might need to do read-backs asynchronously,
* it might take 3-4 times before this returns true. */
if (!video_driver_read_viewport(video_st->record_gpu_buffer, is_idle))
return;
ffemu_data.pitch = (int)(record_st->gpu_width * 3);
ffemu_data.width = (unsigned)record_st->gpu_width;
ffemu_data.height = (unsigned)record_st->gpu_height;
ffemu_data.data = video_st->record_gpu_buffer + (ffemu_data.height - 1) * ffemu_data.pitch;
ffemu_data.pitch = -ffemu_data.pitch;
}
else
ffemu_data.is_dupe = !data;
record_st->driver->push_video(record_st->data, &ffemu_data);
}
const char *video_display_server_get_ident(void)
{
if (!current_display_server)
return FILE_PATH_UNKNOWN;
return current_display_server->ident;
}
void* video_display_server_init(enum rarch_display_type type)
{
video_driver_state_t *video_st = &video_driver_st;
video_display_server_destroy();
switch (type)
{
case RARCH_DISPLAY_WIN32:
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
current_display_server = &dispserv_win32;
#endif
break;
case RARCH_DISPLAY_X11:
#if defined(HAVE_X11)
current_display_server = &dispserv_x11;
#endif
break;
default:
#if defined(ANDROID)
current_display_server = &dispserv_android;
#else
current_display_server = &dispserv_null;
#endif
break;
}
if (current_display_server)
{
if (current_display_server->init)
video_st->current_display_server_data = current_display_server->init();
if (!string_is_empty(current_display_server->ident))
{
RARCH_LOG("[Video]: Found display server: \"%s\".\n",
current_display_server->ident);
}
}
video_st->initial_screen_orientation =
video_display_server_get_screen_orientation();
video_st->current_screen_orientation =
video_st->initial_screen_orientation;
return video_st->current_display_server_data;
}
void video_display_server_destroy(void)
{
video_driver_state_t *video_st = &video_driver_st;
const enum rotation initial_screen_orientation = video_st->initial_screen_orientation;
const enum rotation current_screen_orientation = video_st->current_screen_orientation;
if (initial_screen_orientation != current_screen_orientation)
video_display_server_set_screen_orientation(initial_screen_orientation);
if (current_display_server)
if (video_st->current_display_server_data)
current_display_server->destroy(video_st->current_display_server_data);
}
bool video_display_server_set_window_opacity(unsigned opacity)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->set_window_opacity)
return current_display_server->set_window_opacity(
video_st->current_display_server_data, opacity);
return false;
}
bool video_display_server_set_window_progress(int progress, bool finished)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->set_window_progress)
return current_display_server->set_window_progress(
video_st->current_display_server_data, progress, finished);
return false;
}
bool video_display_server_set_window_decorations(bool on)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->set_window_decorations)
return current_display_server->set_window_decorations(
video_st->current_display_server_data, on);
return false;
}
bool video_display_server_set_resolution(unsigned width, unsigned height,
int int_hz, float hz, int center, int monitor_index, int xoffset, int padjust)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->set_resolution)
return current_display_server->set_resolution(
video_st->current_display_server_data, width, height, int_hz,
hz, center, monitor_index, xoffset, padjust);
return false;
}
bool video_display_server_has_resolution_list(void)
{
return (current_display_server
&& current_display_server->get_resolution_list);
}
void *video_display_server_get_resolution_list(unsigned *size)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_display_server_has_resolution_list())
return current_display_server->get_resolution_list(
video_st->current_display_server_data, size);
return NULL;
}
bool video_display_server_has_refresh_rate(float hz)
{
unsigned i, size = 0;
bool rate_exists = false;
struct video_display_config *video_list = (struct video_display_config*)
video_display_server_get_resolution_list(&size);
if (video_list)
{
video_driver_state_t *video_st = &video_driver_st;
unsigned video_driver_width = video_st->width;
unsigned video_driver_height = video_st->height;
for (i = 0; i < size && !rate_exists; i++)
{
if (video_list[i].width == video_driver_width &&
video_list[i].height == video_driver_height &&
video_list[i].refreshrate == floor(hz))
rate_exists = true;
}
free(video_list);
}
return rate_exists;
}
void video_switch_refresh_rate_maybe(
float *refresh_rate_suggest,
bool *video_switch_refresh_rate)
{
settings_t *settings = config_get_ptr();
video_driver_state_t *video_st = video_state_get_ptr();
float refresh_rate = *refresh_rate_suggest;
float video_refresh_rate = settings->floats.video_refresh_rate;
unsigned crt_switch_resolution = settings->uints.crt_switch_resolution;
unsigned video_swap_interval = settings->uints.video_swap_interval;
unsigned video_bfi = settings->uints.video_black_frame_insertion;
bool video_fullscreen = settings->bools.video_fullscreen;
bool video_windowed_full = settings->bools.video_windowed_fullscreen;
bool vrr_runloop_enable = settings->bools.vrr_runloop_enable;
/* Roundings to PAL & NTSC standards */
refresh_rate = (refresh_rate > 54 && refresh_rate < 60) ? 59.94f : refresh_rate;
refresh_rate = (refresh_rate > 49 && refresh_rate < 55) ? 50.00f : refresh_rate;
/* Black frame insertion + swap interval multiplier */
refresh_rate = (refresh_rate * (video_bfi + 1.0f) * video_swap_interval);
/* Fallback when target refresh rate is not exposed */
if (!video_display_server_has_refresh_rate(refresh_rate))
refresh_rate = video_refresh_rate;
*refresh_rate_suggest = refresh_rate;
/* Store original refresh rate on automatic change, and
* restore it in deinit_core and main_quit, because not all
* cores announce refresh rate via SET_SYSTEM_AV_INFO */
if (!video_st->video_refresh_rate_original)
video_st->video_refresh_rate_original = video_refresh_rate;
/* Try to switch display rate when:
* - Not already at correct rate
* - In exclusive fullscreen
* - 'CRT SwitchRes' OFF & 'Sync to Exact Content Framerate' OFF
*/
*video_switch_refresh_rate = (
refresh_rate != video_refresh_rate &&
!crt_switch_resolution && !vrr_runloop_enable &&
video_fullscreen && !video_windowed_full);
}
bool video_display_server_set_refresh_rate(float hz)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->set_resolution)
return current_display_server->set_resolution(
video_st->current_display_server_data, 0, 0, (int)hz,
hz, 0, 0, 0, 0);
return false;
}
void video_display_server_restore_refresh_rate(void)
{
video_driver_state_t *video_st = &video_driver_st;
settings_t *settings = config_get_ptr();
float refresh_rate_original = video_st->video_refresh_rate_original;
float refresh_rate_current = settings->floats.video_refresh_rate;
if (!refresh_rate_original || refresh_rate_current == refresh_rate_original)
return;
video_monitor_set_refresh_rate(refresh_rate_original);
video_display_server_set_refresh_rate(refresh_rate_original);
}
const char *video_display_server_get_output_options(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->get_output_options)
return current_display_server->get_output_options(
video_st->current_display_server_data);
return NULL;
}
void video_display_server_set_screen_orientation(enum rotation rotation)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->set_screen_orientation)
{
RARCH_LOG("[Video]: Setting screen orientation to %d.\n", rotation);
video_st->current_screen_orientation = rotation;
current_display_server->set_screen_orientation(video_st->current_display_server_data, rotation);
}
}
bool video_display_server_can_set_screen_orientation(void)
{
return (current_display_server && current_display_server->set_screen_orientation);
}
enum rotation video_display_server_get_screen_orientation(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (current_display_server && current_display_server->get_screen_orientation)
return current_display_server->get_screen_orientation(
video_st->current_display_server_data);
return ORIENTATION_NORMAL;
}
bool video_display_server_get_flags(gfx_ctx_flags_t *flags)
{
video_driver_state_t *video_st = &video_driver_st;
if (!flags || !current_display_server || !current_display_server->get_flags)
return false;
flags->flags = current_display_server->get_flags(
video_st->current_display_server_data);
return true;
}
bool video_driver_is_threaded(void)
{
#ifdef HAVE_THREADS
video_driver_state_t *video_st = &video_driver_st;
return VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st);
#else
return false;
#endif
}
bool *video_driver_get_threaded(void)
{
video_driver_state_t *video_st = &video_driver_st;
#if defined(__MACH__) && defined(__APPLE__)
/* TODO/FIXME - force threaded video to disabled on Apple for now
* until NSWindow/UIWindow concurrency issues are taken care of */
video_st->threaded = false;
#endif
return &video_st->threaded;
}
void video_driver_set_threaded(bool val)
{
video_driver_state_t *video_st = &video_driver_st;
#if defined(__MACH__) && defined(__APPLE__)
/* TODO/FIXME - force threaded video to disabled on Apple for now
* until NSWindow/UIWindow concurrency issues are taken care of */
video_st->threaded = false;
#else
video_st->threaded = val;
#endif
}
const char *video_driver_get_ident(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->current_video)
return NULL;
#ifdef HAVE_THREADS
if (VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st))
{
const thread_video_t *thr = (const thread_video_t*)video_st->data;
if (!thr || !thr->driver)
return NULL;
return thr->driver->ident;
}
#endif
return video_st->current_video->ident;
}
void video_context_driver_reset(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->current_video_context.get_metrics)
video_st->current_video_context.get_metrics = get_metrics_null;
}
bool video_context_driver_set(const gfx_ctx_driver_t *data)
{
video_driver_state_t *video_st = &video_driver_st;
if (!data)
return false;
video_st->current_video_context = *data;
video_context_driver_reset();
return true;
}
uintptr_t video_driver_get_current_framebuffer(void)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->get_current_framebuffer)
return video_st->poke->get_current_framebuffer(video_st->data);
return 0;
}
retro_proc_address_t video_driver_get_proc_address(const char *sym)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->get_proc_address)
return video_st->poke->get_proc_address(video_st->data, sym);
return NULL;
}
#ifdef HAVE_VIDEO_FILTER
void video_driver_filter_free(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->state_filter)
rarch_softfilter_free(video_st->state_filter);
video_st->state_filter = NULL;
if (video_st->state_buffer)
{
#ifdef _3DS
linearFree(video_st->state_buffer);
#else
free(video_st->state_buffer);
#endif
}
video_st->state_buffer = NULL;
video_st->state_scale = 0;
video_st->state_out_bpp = 0;
video_st->state_out_rgb32 = false;
}
void video_driver_init_filter(enum retro_pixel_format colfmt_int,
settings_t *settings)
{
unsigned pow2_x, pow2_y, maxsize;
void *buf = NULL;
video_driver_state_t *video_st = &video_driver_st;
struct retro_game_geometry *geom = &video_st->av_info.geometry;
unsigned width = geom->max_width;
unsigned height = geom->max_height;
/* Deprecated format. Gets pre-converted. */
enum retro_pixel_format colfmt =
(colfmt_int == RETRO_PIXEL_FORMAT_0RGB1555) ?
RETRO_PIXEL_FORMAT_RGB565 : colfmt_int;
if (video_driver_is_hw_context())
{
RARCH_WARN("[Video]: Cannot use CPU filters when hardware rendering is used.\n");
return;
}
video_st->state_filter = rarch_softfilter_new(
settings->paths.path_softfilter_plugin,
RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height);
if (!video_st->state_filter)
{
RARCH_ERR("[Video]: Failed to load filter.\n");
return;
}
rarch_softfilter_get_max_output_size(
video_st->state_filter,
&width, &height);
pow2_x = next_pow2(width);
pow2_y = next_pow2(height);
maxsize = MAX(pow2_x, pow2_y);
#ifdef _3DS
/* On 3DS, video is disabled if the output resolution
* exceeds 2048x2048. To avoid the user being presented
* with a black screen, we therefore have to check that
* the filter upscaling buffer fits within this limit. */
if (maxsize >= 2048)
{
RARCH_ERR("[Video]: Softfilter initialization failed."
" Upscaling buffer exceeds hardware limitations.\n");
video_driver_filter_free();
return;
}
#endif
video_st->state_scale = maxsize / RARCH_SCALE_BASE;
video_st->state_out_rgb32 = rarch_softfilter_get_output_format(
video_st->state_filter) == RETRO_PIXEL_FORMAT_XRGB8888;
video_st->state_out_bpp =
video_st->state_out_rgb32
? sizeof(uint32_t)
: sizeof(uint16_t);
/* TODO: Aligned output. */
#ifdef _3DS
buf = linearMemAlign(
width * height * video_st->state_out_bpp, 0x80);
#else
buf = malloc(
width * height * video_st->state_out_bpp);
#endif
if (!buf)
{
RARCH_ERR("[Video]: Softfilter initialization failed.\n");
video_driver_filter_free();
return;
}
video_st->state_buffer = buf;
}
#endif
void video_driver_free_hw_context(void)
{
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_CONTEXT_LOCK(video_st);
if (video_st->hw_render.context_destroy)
video_st->hw_render.context_destroy();
memset(&video_st->hw_render, 0, sizeof(video_st->hw_render));
VIDEO_DRIVER_CONTEXT_UNLOCK(video_st);
video_st->hw_render_context_negotiation = NULL;
}
void video_driver_free_internal(void)
{
input_driver_state_t *input_st = input_state_get_ptr();
video_driver_state_t *video_st = &video_driver_st;
#ifdef HAVE_THREADS
bool is_threaded =
VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st);
#endif
#ifdef HAVE_VIDEO_LAYOUT
video_layout_deinit();
#endif
command_event(CMD_EVENT_OVERLAY_DEINIT, NULL);
if (!video_driver_is_video_cache_context())
video_driver_free_hw_context();
if (!(input_st->current_data == video_st->data))
{
if (input_st->current_driver)
if (input_st->current_driver->free)
input_st->current_driver->free(input_st->current_data);
if (input_st->primary_joypad)
{
const input_device_driver_t *tmp = input_st->primary_joypad;
input_st->primary_joypad = NULL;
tmp->destroy();
}
#ifdef HAVE_MFI
if (input_st->secondary_joypad)
{
const input_device_driver_t *tmp = input_st->secondary_joypad;
input_st->secondary_joypad = NULL;
tmp->destroy();
}
#endif
input_st->keyboard_mapping_blocked = false;
input_st->current_data = NULL;
}
if ( video_st->data
&& video_st->current_video
&& video_st->current_video->free)
video_st->current_video->free(video_st->data);
if (video_st->scaler_ptr)
video_driver_pixel_converter_free(video_st->scaler_ptr);
video_st->scaler_ptr = NULL;
#ifdef HAVE_VIDEO_FILTER
video_driver_filter_free();
#endif
#if defined(HAVE_CG) || defined(HAVE_GLSL) || defined(HAVE_SLANG) || defined(HAVE_HLSL)
dir_free_shader(
(struct rarch_dir_shader_list*)&video_st->dir_shader_list,
config_get_ptr()->bools.video_shader_remember_last_dir);
#endif
#ifdef HAVE_THREADS
if (is_threaded)
return;
#endif
if (video_st->data)
video_monitor_compute_fps_statistics(video_st->frame_time_count);
}
void video_driver_set_viewport_config(
struct retro_game_geometry *geom,
float video_aspect_ratio,
bool video_aspect_ratio_auto)
{
if (video_aspect_ratio < 0.0f)
{
if (geom->aspect_ratio > 0.0f && 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 = video_aspect_ratio;
}
void video_driver_set_viewport_square_pixel(struct retro_game_geometry *geom)
{
unsigned len, i, aspect_x, aspect_y;
unsigned int rotation = 0;
unsigned highest = 1;
unsigned width = geom->base_width;
unsigned height = geom->base_height;
if (width == 0 || height == 0)
return;
rotation = retroarch_get_rotation();
len = MIN(width, height);
for (i = 1; i < len; i++)
{
if ((width % i) == 0 && (height % i) == 0)
highest = i;
}
if (rotation % 2)
{
aspect_x = height / highest;
aspect_y = width / highest;
}
else
{
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(unsigned width, unsigned height,
bool force_fullscreen, bool allow_rotate)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->current_video && video_st->current_video->set_viewport)
video_st->current_video->set_viewport(
video_st->data, width, height,
force_fullscreen, allow_rotate);
}
bool video_driver_set_rotation(unsigned rotation)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->current_video || !video_st->current_video->set_rotation)
return false;
video_st->current_video->set_rotation(video_st->data, rotation);
return true;
}
bool video_driver_set_video_mode(unsigned width,
unsigned height, bool fullscreen)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_video_mode)
{
video_st->poke->set_video_mode(video_st->data,
width, height, fullscreen);
return true;
}
return false;
}
bool video_driver_get_video_output_size(unsigned *width, unsigned *height, char *desc, size_t desc_len)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->poke || !video_st->poke->get_video_output_size)
return false;
video_st->poke->get_video_output_size(video_st->data,
width, height, desc, desc_len);
return true;
}
void video_driver_set_texture_enable(bool enable, bool fullscreen)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->poke && video_st->poke->set_texture_enable)
video_st->poke->set_texture_enable(video_st->data,
enable, fullscreen);
}
void video_driver_set_texture_frame(const void *frame, bool rgb32,
unsigned width, unsigned height, float alpha)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_texture_frame)
video_st->poke->set_texture_frame(video_st->data,
frame, rgb32, width, height, alpha);
}
#ifdef HAVE_VIDEO_LAYOUT
const video_layout_render_interface_t *video_driver_layout_render_interface(void)
{
video_driver_state_t *video_st = &video_driver_st;
if ( !video_st->current_video ||
!video_st->current_video->video_layout_render_interface)
return NULL;
return video_st->current_video->video_layout_render_interface(
video_st->data);
}
#endif
void *video_driver_read_frame_raw(unsigned *width,
unsigned *height, size_t *pitch)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->current_video
&& video_st->current_video->read_frame_raw)
return video_st->current_video->read_frame_raw(
video_st->data, width,
height, pitch);
return NULL;
}
void video_driver_set_filtering(unsigned index,
bool smooth, bool ctx_scaling)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_filtering)
video_st->poke->set_filtering(
video_st->data,
index, smooth, ctx_scaling);
}
void video_driver_set_hdr_max_nits(float max_nits)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_hdr_max_nits)
video_st->poke->set_hdr_max_nits(video_st->data, max_nits);
}
void video_driver_set_hdr_paper_white_nits(float paper_white_nits)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_hdr_paper_white_nits)
video_st->poke->set_hdr_paper_white_nits(video_st->data, paper_white_nits);
}
void video_driver_set_hdr_contrast(float contrast)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_hdr_contrast)
video_st->poke->set_hdr_contrast(video_st->data,
VIDEO_HDR_MAX_CONTRAST - contrast);
}
void video_driver_set_hdr_expand_gamut(bool expand_gamut)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->set_hdr_expand_gamut)
video_st->poke->set_hdr_expand_gamut(video_st->data, expand_gamut);
}
/* Use this value as a replacement for anywhere
* where a pure white colour value is used in the UI.
*
* When HDR is turned on 1,1,1,1 should never really
* be used as this is peak brightness and could cause
* damage to displays over long periods of time
* and be quite hard to look at on really bright displays.
*
* Use paper white instead which is always defined as
* 0.5, 0.5, 0.5, 1.0 or in other words is the top of
* the old SDR (Standard Dynamic Range) range
*/
unsigned video_driver_get_hdr_paper_white(void)
{
/* 0.5, 0.5, 0.5, 1 */
if ( video_driver_supports_hdr()
&& config_get_ptr()->bools.video_hdr_enable)
return 0x7f7f7fff;
return 0xffffffff;
}
/* Same as above but returns the white value in floats */
float *video_driver_get_hdr_paper_white_float(void)
{
static float paper_white[4] = { 0.5f, 0.5f, 0.5f, 1.0f};
static float sdr_white [4] = { 1.0f, 1.0f, 1.0f, 1.0f};
if( video_driver_supports_hdr()
&& config_get_ptr()->bools.video_hdr_enable)
return paper_white;
return sdr_white;
}
/* This is useful to create a HDR (High Dynamic Range) white
* based off of some passed in nit level - say you want a
* slightly brighter than paper white value for some parts
* of the UI
*/
float video_driver_get_hdr_luminance(float nits)
{
settings_t *settings = config_get_ptr();
if(video_driver_supports_hdr() && settings->bools.video_hdr_enable)
{
float luminance = nits /
settings->floats.video_hdr_paper_white_nits;
return luminance / (1.0f + luminance);
}
return nits;
}
/* Get reinhard tone mapped colour value for UI elements
* when using HDR and its inverse tonemapper - normally don't use
* but useful if you want a specific colour to look the same
* after inverse tonemapping has been applied */
unsigned video_driver_get_hdr_color(unsigned color)
{
if( video_driver_supports_hdr()
&& config_get_ptr()->bools.video_hdr_enable)
{
float luminance;
float rgb[3];
float yxy[3];
rgb[0] = (float)((color >> 24) & 0xFF) / 255.0f;
rgb[1] = (float)((color >> 16) & 0xFF) / 255.0f;
rgb[2] = (float)((color >> 8 ) & 0xFF) / 255.0f;
convert_rgb_to_yxy(rgb, yxy);
/* TODO: We should probably scale this by average luminance */
luminance = yxy[0];
yxy[0] = luminance / (1.0f + luminance);
convert_yxy_to_rgb(rgb, yxy);
return ( (unsigned)(saturate_value(rgb[0]) * 255.0f) << 24)
| ((unsigned)(saturate_value(rgb[1]) * 255.0f) << 16)
| ((unsigned)(saturate_value(rgb[2]) * 255.0f) << 8)
| (color & 0xFF);
}
return color;
}
void video_driver_cached_frame_set(const void *data, unsigned width,
unsigned height, size_t pitch)
{
video_driver_state_t *video_st= &video_driver_st;
if (data)
video_st->frame_cache_data = data;
video_st->frame_cache_width = width;
video_st->frame_cache_height = height;
video_st->frame_cache_pitch = pitch;
}
void video_driver_cached_frame_get(const void **data, unsigned *width,
unsigned *height, size_t *pitch)
{
video_driver_state_t *video_st= &video_driver_st;
if (data)
*data = video_st->frame_cache_data;
if (width)
*width = video_st->frame_cache_width;
if (height)
*height = video_st->frame_cache_height;
if (pitch)
*pitch = video_st->frame_cache_pitch;
}
void video_driver_get_size(unsigned *width, unsigned *height)
{
video_driver_state_t *video_st = &video_driver_st;
#ifdef HAVE_THREADS
bool is_threaded = VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st);
VIDEO_DRIVER_THREADED_LOCK(video_st, is_threaded);
#endif
if (width)
*width = video_st->width;
if (height)
*height = video_st->height;
#ifdef HAVE_THREADS
VIDEO_DRIVER_THREADED_UNLOCK(video_st, is_threaded);
#endif
}
void video_driver_set_size(unsigned width, unsigned height)
{
video_driver_state_t *video_st = &video_driver_st;
#ifdef HAVE_THREADS
bool is_threaded = VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st);
VIDEO_DRIVER_THREADED_LOCK(video_st, is_threaded);
#endif
video_st->width = width;
video_st->height = height;
#ifdef HAVE_THREADS
VIDEO_DRIVER_THREADED_UNLOCK(video_st, is_threaded);
#endif
}
/**
* 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;
retro_time_t avg = 0;
retro_time_t accum_var = 0;
unsigned samples = 0;
video_driver_state_t *video_st = &video_driver_st;
#ifdef HAVE_THREADS
if (VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st))
return false;
#endif
if ((samples = MIN(MEASURE_FRAME_TIME_SAMPLES_COUNT,
(unsigned)video_st->frame_time_count)) < 2)
return false;
/* Measure statistics on frame time (microsecs), *not* FPS. */
for (i = 0; i < samples; i++)
{
accum += video_st->frame_time_samples[i];
#if 0
RARCH_LOG("[Video]: 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_st->frame_time_samples[i] - avg;
accum_var += diff * diff;
}
*deviation = sqrt((double)accum_var / (samples - 1)) / avg;
if (refresh_rate)
*refresh_rate = 1000000.0 / avg;
if (sample_points)
*sample_points = samples;
return true;
}
float video_driver_get_aspect_ratio(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->aspect_ratio;
}
void video_driver_set_aspect_ratio_value(float value)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->aspect_ratio = value;
}
enum retro_pixel_format video_driver_get_pixel_format(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->pix_fmt;
}
void video_driver_lock_new(void)
{
#ifdef HAVE_THREADS
video_driver_state_t *video_st = &video_driver_st;
#endif
VIDEO_DRIVER_LOCK_FREE(video_st);
#ifdef HAVE_THREADS
if (!video_st->display_lock)
video_st->display_lock = slock_new();
retro_assert(video_st->display_lock);
if (!video_st->context_lock)
video_st->context_lock = slock_new();
retro_assert(video_st->context_lock);
#endif
}
void video_driver_set_cached_frame_ptr(const void *data)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->frame_cache_data = data;
}
void video_driver_set_stub_frame(void)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->frame_bak = video_st->current_video->frame;
video_st->current_video->frame = video_null.frame;
}
void video_driver_unset_stub_frame(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->frame_bak)
video_st->current_video->frame = video_st->frame_bak;
video_st->frame_bak = NULL;
}
bool video_driver_supports_viewport_read(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->current_video->read_viewport
&& video_st->current_video->viewport_info;
}
bool video_driver_prefer_viewport_read(void)
{
video_driver_state_t *video_st = &video_driver_st;
settings_t *settings = config_get_ptr();
#ifdef HAVE_SCREENSHOTS
bool video_gpu_screenshot = settings->bools.video_gpu_screenshot;
if (video_gpu_screenshot)
return true;
#endif
return (video_driver_is_hw_context() &&
!video_st->current_video->read_frame_raw);
}
bool video_driver_supports_read_frame_raw(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->current_video->read_frame_raw)
return true;
return false;
}
void video_driver_set_viewport_core(void)
{
video_driver_state_t *video_st = &video_driver_st;
struct retro_game_geometry *geom = &video_st->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_set_rgba(void)
{
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_LOCK(video_st);
video_st->use_rgba = true;
VIDEO_DRIVER_UNLOCK(video_st);
}
void video_driver_unset_rgba(void)
{
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_LOCK(video_st);
video_st->use_rgba = false;
VIDEO_DRIVER_UNLOCK(video_st);
}
bool video_driver_supports_rgba(void)
{
bool tmp;
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_LOCK(video_st);
tmp = video_st->use_rgba;
VIDEO_DRIVER_UNLOCK(video_st);
return tmp;
}
void video_driver_set_hdr_support(void)
{
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_LOCK(video_st);
video_st->hdr_support = true;
VIDEO_DRIVER_UNLOCK(video_st);
}
void video_driver_unset_hdr_support(void)
{
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_LOCK(video_st);
video_st->hdr_support = false;
VIDEO_DRIVER_UNLOCK(video_st);
}
bool video_driver_supports_hdr(void)
{
bool tmp;
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_LOCK(video_st);
tmp = video_st->hdr_support;
VIDEO_DRIVER_UNLOCK(video_st);
return tmp;
}
bool video_driver_get_next_video_out(void)
{
video_driver_state_t *video_st = &video_driver_st;
if ( !video_st->poke
|| !video_st->poke->get_video_output_next
)
return false;
video_st->poke->get_video_output_next(video_st->data);
return true;
}
bool video_driver_get_prev_video_out(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (
!video_st->poke
|| !video_st->poke->get_video_output_prev
)
return false;
video_st->poke->get_video_output_prev(video_st->data);
return true;
}
void video_driver_monitor_reset(void)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->frame_time_count = 0;
}
void video_driver_set_aspect_ratio(void)
{
settings_t *settings = config_get_ptr();
video_driver_state_t *video_st = &video_driver_st;
unsigned aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
switch (aspect_ratio_idx)
{
case ASPECT_RATIO_SQUARE:
video_driver_set_viewport_square_pixel(&video_st->av_info.geometry);
break;
case ASPECT_RATIO_CORE:
video_driver_set_viewport_core();
break;
case ASPECT_RATIO_CONFIG:
video_driver_set_viewport_config(
&video_st->av_info.geometry,
settings->floats.video_aspect_ratio,
settings->bools.video_aspect_ratio_auto);
break;
case ASPECT_RATIO_FULL:
{
unsigned width = video_st->width;
unsigned height = video_st->height;
if (width != 0 && height != 0)
aspectratio_lut[ASPECT_RATIO_FULL].value = (float)width / (float)height;
}
break;
default:
break;
}
video_driver_set_aspect_ratio_value(
aspectratio_lut[aspect_ratio_idx].value);
if ( video_st->poke
&& video_st->poke->set_aspect_ratio)
video_st->poke->set_aspect_ratio(video_st->data, aspect_ratio_idx);
}
void video_driver_update_viewport(
struct video_viewport* vp, bool force_full, bool keep_aspect)
{
float device_aspect = (float)vp->full_width / vp->full_height;
settings_t *settings = config_get_ptr();
bool video_scale_integer = settings->bools.video_scale_integer;
unsigned video_aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
video_driver_state_t *video_st = &video_driver_st;
float video_driver_aspect_ratio = video_st->aspect_ratio;
vp->x = 0;
vp->y = 0;
vp->width = vp->full_width;
vp->height = vp->full_height;
if (video_scale_integer && !force_full)
video_viewport_get_scaled_integer(
vp,
vp->full_width,
vp->full_height,
video_driver_aspect_ratio, keep_aspect);
else if (keep_aspect && !force_full)
{
float desired_aspect = video_driver_aspect_ratio;
#if defined(HAVE_MENU)
if (video_aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
const struct video_viewport *custom = &settings->video_viewport_custom;
vp->x = custom->x;
vp->y = custom->y;
vp->width = custom->width;
vp->height = custom->height;
}
else
#endif
{
float delta;
if (fabsf(device_aspect - desired_aspect) < 0.0001f)
{
/* If the aspect ratios of screen and desired aspect
* ratio are sufficiently equal (floating point stuff),
* assume they are actually equal.
*/
}
else if (device_aspect > desired_aspect)
{
delta = (desired_aspect / device_aspect - 1.0f)
/ 2.0f + 0.5f;
vp->x = (int)roundf(vp->full_width * (0.5f - delta));
vp->width = (unsigned)roundf(2.0f * vp->full_width * delta);
vp->y = 0;
vp->height = vp->full_height;
}
else
{
vp->x = 0;
vp->width = vp->full_width;
delta = (device_aspect / desired_aspect - 1.0f)
/ 2.0f + 0.5f;
vp->y = (int)roundf(vp->full_height * (0.5f - delta));
vp->height = (unsigned)roundf(2.0f * vp->full_height * delta);
}
}
}
#if defined(RARCH_MOBILE)
/* In portrait mode, we want viewport to gravitate to top of screen. */
if (device_aspect < 1.0f)
vp->y = 0;
#endif
}
void video_driver_show_mouse(void)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->show_mouse)
video_st->poke->show_mouse(video_st->data, true);
}
void video_driver_hide_mouse(void)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->show_mouse)
video_st->poke->show_mouse(video_st->data, false);
}
void video_driver_restore_cached(void *settings_data)
{
settings_t *settings = (settings_t*)settings_data;
video_driver_state_t *video_st = &video_driver_st;
if (video_st->cached_driver_id[0])
{
configuration_set_string(settings,
settings->arrays.video_driver, video_st->cached_driver_id);
video_st->cached_driver_id[0] = 0;
RARCH_LOG("[Video]: Restored video driver to \"%s\".\n",
settings->arrays.video_driver);
}
}
bool video_driver_find_driver(
void *settings_data,
const char *prefix, bool verbosity_enabled)
{
int i;
settings_t *settings = (settings_t*)settings_data;
video_driver_state_t *video_st = &video_driver_st;
if (video_driver_is_hw_context())
{
struct retro_hw_render_callback *hwr =
VIDEO_DRIVER_GET_HW_CONTEXT_INTERNAL(video_st);
int rdr_major = hwr->version_major;
int rdr_minor = hwr->version_minor;
const char *rdr_context_name = hw_render_context_name(hwr->context_type, rdr_major, rdr_minor);
enum retro_hw_context_type rdr_type = hw_render_context_type(rdr_context_name);
video_st->current_video = NULL;
if (hwr)
{
switch (rdr_type)
{
case RETRO_HW_CONTEXT_OPENGL_CORE:
case RETRO_HW_CONTEXT_VULKAN:
case RETRO_HW_CONTEXT_DIRECT3D:
#if defined(HAVE_VULKAN) || defined(HAVE_D3D11) || defined(HAVE_D3D9) || defined(HAVE_OPENGL_CORE)
RARCH_LOG("[Video]: Using HW render, %s driver forced.\n",
rdr_context_name);
if (!string_is_equal(settings->arrays.video_driver,
rdr_context_name))
{
strlcpy(video_st->cached_driver_id,
settings->arrays.video_driver,
sizeof(video_st->cached_driver_id));
configuration_set_string(settings,
settings->arrays.video_driver,
rdr_context_name);
RARCH_LOG("[Video]: \"%s\" saved as cached driver.\n",
settings->arrays.video_driver);
}
video_st->current_video = hw_render_context_driver(rdr_type, rdr_major, rdr_minor);
return true;
#else
break;
#endif
case RETRO_HW_CONTEXT_OPENGL:
#if defined(HAVE_OPENGL)
RARCH_LOG("[Video]: Using HW render, OpenGL driver forced.\n");
/* If we have configured one of the HW render
* capable GL drivers, go with that. */
#if defined(HAVE_OPENGL_CORE)
if ( !string_is_equal(settings->arrays.video_driver, "gl") &&
!string_is_equal(settings->arrays.video_driver, "glcore"))
{
strlcpy(video_st->cached_driver_id,
settings->arrays.video_driver,
sizeof(video_st->cached_driver_id));
configuration_set_string(settings,
settings->arrays.video_driver,
"glcore");
RARCH_LOG("[Video]: \"%s\" saved as cached driver.\n",
settings->arrays.video_driver);
video_st->current_video = &video_gl3;
return true;
}
#else
if ( !string_is_equal(settings->arrays.video_driver, "gl"))
{
strlcpy(video_st->cached_driver_id,
settings->arrays.video_driver,
sizeof(video_st->cached_driver_id));
configuration_set_string(settings,
settings->arrays.video_driver,
"gl");
RARCH_LOG("[Video]: \"%s\" saved as cached driver.\n",
settings->arrays.video_driver);
video_st->current_video = &video_gl2;
return true;
}
#endif
RARCH_LOG("[Video]: Using configured \"%s\""
" driver for GL HW render.\n",
settings->arrays.video_driver);
break;
#endif
default:
case RETRO_HW_CONTEXT_NONE:
break;
}
}
}
if (frontend_driver_has_get_video_driver_func())
{
if ((video_st->current_video = (video_driver_t*)
frontend_driver_get_video_driver()))
return true;
RARCH_WARN("[Video]: Frontend supports get_video_driver() but did not specify one.\n");
}
i = (int)driver_find_index(
"video_driver",
settings->arrays.video_driver);
if (i >= 0)
video_st->current_video = (video_driver_t*)video_drivers[i];
else
{
if (verbosity_enabled)
{
unsigned d;
RARCH_ERR("Couldn't find any %s named \"%s\"\n", prefix,
settings->arrays.video_driver);
RARCH_LOG_OUTPUT("Available %ss are:\n", prefix);
for (d = 0; video_drivers[d]; d++)
RARCH_LOG_OUTPUT("\t%s\n", video_drivers[d]->ident);
RARCH_WARN("Going to default to first %s...\n", prefix);
}
if (!(video_st->current_video = (video_driver_t*)video_drivers[0]))
return false;
}
return true;
}
void video_driver_apply_state_changes(void)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->poke
&& video_st->poke->apply_state_changes)
video_st->poke->apply_state_changes(video_st->data);
}
bool video_driver_read_viewport(uint8_t *buffer, bool is_idle)
{
video_driver_state_t *video_st = &video_driver_st;
if ( video_st->current_video->read_viewport
&& video_st->current_video->read_viewport(
video_st->data, buffer, is_idle))
return true;
return false;
}
bool video_driver_is_hw_context(void)
{
bool is_hw_context = false;
video_driver_state_t *video_st = &video_driver_st;
VIDEO_DRIVER_CONTEXT_LOCK(video_st);
is_hw_context = (video_st->hw_render.context_type
!= RETRO_HW_CONTEXT_NONE);
VIDEO_DRIVER_CONTEXT_UNLOCK(video_st);
return is_hw_context;
}
const struct retro_hw_render_context_negotiation_interface *
video_driver_get_context_negotiation_interface(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->hw_render_context_negotiation;
}
bool video_driver_is_video_cache_context(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->cache_context;
}
void video_driver_set_video_cache_context_ack(void)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->cache_context_ack = true;
}
bool video_driver_get_viewport_info(struct video_viewport *viewport)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->current_video || !video_st->current_video->viewport_info)
return false;
video_st->current_video->viewport_info(video_st->data, viewport);
return true;
}
/**
* 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();
video_driver_state_t *video_st = &video_driver_st;
unsigned video_aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
bool overscale = settings->bools.video_scale_integer_overscale;
if (video_aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
struct video_viewport *custom = &settings->video_viewport_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. */
unsigned base_height =
video_st->av_info.geometry.base_height;
unsigned int rotation = retroarch_get_rotation();
if (rotation % 2)
base_height = video_st->av_info.geometry.base_width;
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 = 1;
if (overscale)
max_scale = MIN((width / base_width) + !!(width % base_width),
(height / base_height) + !!(height % base_height));
else
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;
}
void video_driver_display_type_set(enum rarch_display_type type)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->display_type = type;
}
uintptr_t video_driver_display_get(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->display;
}
uintptr_t video_driver_display_userdata_get(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->display_userdata;
}
void video_driver_display_userdata_set(uintptr_t idx)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->display_userdata = idx;
}
void video_driver_display_set(uintptr_t idx)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->display = idx;
}
enum rarch_display_type video_driver_display_type_get(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->display_type;
}
void video_driver_window_set(uintptr_t idx)
{
video_driver_state_t *video_st = &video_driver_st;
video_st->window = idx;
}
uintptr_t video_driver_window_get(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->window;
}
bool video_driver_texture_load(void *data,
enum texture_filter_type filter_type,
uintptr_t *id)
{
video_driver_state_t *video_st = &video_driver_st;
if ( !id
|| !video_st->poke
|| !video_st->poke->load_texture)
return false;
*id = video_st->poke->load_texture(
video_st->data, data,
VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st),
filter_type);
return true;
}
bool video_driver_texture_unload(uintptr_t *id)
{
video_driver_state_t *video_st = &video_driver_st;
if ( !video_st->poke
|| !video_st->poke->unload_texture)
return false;
video_st->poke->unload_texture(
video_st->data,
VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st),
*id);
*id = 0;
return true;
}
/**
* video_driver_cached_frame:
*
* Renders the current video frame.
**/
void video_driver_cached_frame(void)
{
runloop_state_t *runloop_st = runloop_state_get_ptr();
recording_state_t *recording_st= recording_state_get_ptr();
video_driver_state_t *video_st = &video_driver_st;
void *recording = recording_st->data;
struct retro_callbacks *cbs = &runloop_st->retro_ctx;
/* Cannot allow recording when pushing duped frames. */
recording_st->data = NULL;
if (runloop_st->current_core.inited)
cbs->frame_cb(
(video_st->frame_cache_data != RETRO_HW_FRAME_BUFFER_VALID)
? video_st->frame_cache_data
: NULL,
video_st->frame_cache_width,
video_st->frame_cache_height,
video_st->frame_cache_pitch);
recording_st->data = recording;
}
bool video_driver_has_focus(void)
{
video_driver_state_t *video_st = &video_driver_st;
return VIDEO_HAS_FOCUS(video_st);
}
void video_driver_get_window_title(char *buf, unsigned len)
{
video_driver_state_t *video_st = &video_driver_st;
if (buf && video_st->window_title_update)
{
strlcpy(buf, video_st->window_title, len);
video_st->window_title_update = false;
}
}
void video_driver_build_info(video_frame_info_t *video_info)
{
video_viewport_t *custom_vp = NULL;
runloop_state_t *runloop_st = runloop_state_get_ptr();
settings_t *settings = config_get_ptr();
video_driver_state_t *video_st = &video_driver_st;
input_driver_state_t *input_st = input_state_get_ptr();
#ifdef HAVE_MENU
struct menu_state *menu_st = menu_state_get_ptr();
#endif
#ifdef HAVE_GFX_WIDGETS
dispgfx_widget_t *p_dispwidget = dispwidget_get_ptr();
#endif
#ifdef HAVE_THREADS
bool is_threaded =
VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st);
VIDEO_DRIVER_THREADED_LOCK(video_st, is_threaded);
#endif
custom_vp = &settings->video_viewport_custom;
#ifdef HAVE_GFX_WIDGETS
video_info->widgets_active = p_dispwidget->active;
#else
video_info->widgets_active = false;
#endif
#ifdef HAVE_MENU
video_info->notifications_hidden = settings->bools.notification_show_when_menu_is_alive && !menu_st->alive;
#endif
video_info->refresh_rate = settings->floats.video_refresh_rate;
video_info->crt_switch_resolution = settings->uints.crt_switch_resolution;
video_info->crt_switch_resolution_super = settings->uints.crt_switch_resolution_super;
video_info->crt_switch_center_adjust = settings->ints.crt_switch_center_adjust;
video_info->crt_switch_porch_adjust = settings->ints.crt_switch_porch_adjust;
video_info->crt_switch_hires_menu = settings->bools.crt_switch_hires_menu;
video_info->black_frame_insertion = settings->uints.video_black_frame_insertion;
video_info->hard_sync = settings->bools.video_hard_sync;
video_info->hard_sync_frames = settings->uints.video_hard_sync_frames;
video_info->fps_show = settings->bools.video_fps_show;
video_info->memory_show = settings->bools.video_memory_show;
video_info->statistics_show = settings->bools.video_statistics_show;
video_info->framecount_show = settings->bools.video_framecount_show;
video_info->core_status_msg_show = runloop_st->core_status_msg.set;
video_info->aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
video_info->post_filter_record = settings->bools.video_post_filter_record;
video_info->input_menu_swap_ok_cancel_buttons = settings->bools.input_menu_swap_ok_cancel_buttons;
video_info->max_swapchain_images = settings->uints.video_max_swapchain_images;
video_info->windowed_fullscreen = settings->bools.video_windowed_fullscreen;
video_info->fullscreen = settings->bools.video_fullscreen
|| video_st->force_fullscreen;
video_info->menu_mouse_enable = settings->bools.menu_mouse_enable;
video_info->monitor_index = settings->uints.video_monitor_index;
video_info->font_enable = settings->bools.video_font_enable;
video_info->font_msg_pos_x = settings->floats.video_msg_pos_x;
video_info->font_msg_pos_y = settings->floats.video_msg_pos_y;
video_info->font_msg_color_r = settings->floats.video_msg_color_r;
video_info->font_msg_color_g = settings->floats.video_msg_color_g;
video_info->font_msg_color_b = settings->floats.video_msg_color_b;
video_info->custom_vp_x = custom_vp->x;
video_info->custom_vp_y = custom_vp->y;
video_info->custom_vp_width = custom_vp->width;
video_info->custom_vp_height = custom_vp->height;
video_info->custom_vp_full_width = custom_vp->full_width;
video_info->custom_vp_full_height = custom_vp->full_height;
#if defined(HAVE_GFX_WIDGETS)
video_info->widgets_userdata = p_dispwidget;
video_info->widgets_is_paused = video_st->widgets_paused;
video_info->widgets_is_fast_forwarding = video_st->widgets_fast_forward;
video_info->widgets_is_rewinding = video_st->widgets_rewinding;
#else
video_info->widgets_userdata = NULL;
video_info->widgets_is_paused = false;
video_info->widgets_is_fast_forwarding = false;
video_info->widgets_is_rewinding = false;
#endif
video_info->width = video_st->width;
video_info->height = video_st->height;
video_info->use_rgba = video_st->use_rgba;
video_info->hdr_enable = settings->bools.video_hdr_enable;
video_info->libretro_running = false;
video_info->msg_bgcolor_enable =
settings->bools.video_msg_bgcolor_enable;
video_info->fps_update_interval = settings->uints.fps_update_interval;
video_info->memory_update_interval = settings->uints.memory_update_interval;
#ifdef HAVE_MENU
video_info->menu_is_alive = menu_st->alive;
video_info->menu_screensaver_active = menu_st->screensaver_active;
video_info->menu_footer_opacity = settings->floats.menu_footer_opacity;
video_info->menu_header_opacity = settings->floats.menu_header_opacity;
video_info->materialui_color_theme = settings->uints.menu_materialui_color_theme;
video_info->ozone_color_theme = settings->uints.menu_ozone_color_theme;
video_info->menu_shader_pipeline = settings->uints.menu_xmb_shader_pipeline;
video_info->xmb_theme = settings->uints.menu_xmb_theme;
video_info->xmb_color_theme = settings->uints.menu_xmb_color_theme;
video_info->timedate_enable = settings->bools.menu_timedate_enable;
video_info->battery_level_enable = settings->bools.menu_battery_level_enable;
video_info->xmb_shadows_enable =
settings->bools.menu_xmb_shadows_enable;
video_info->xmb_alpha_factor =
settings->uints.menu_xmb_alpha_factor;
video_info->menu_wallpaper_opacity =
settings->floats.menu_wallpaper_opacity;
video_info->menu_framebuffer_opacity =
settings->floats.menu_framebuffer_opacity;
video_info->overlay_behind_menu = settings->bools.input_overlay_behind_menu;
video_info->libretro_running = runloop_st->current_core.game_loaded;
#else
video_info->menu_is_alive = false;
video_info->menu_screensaver_active = false;
video_info->menu_footer_opacity = 0.0f;
video_info->menu_header_opacity = 0.0f;
video_info->materialui_color_theme = 0;
video_info->menu_shader_pipeline = 0;
video_info->xmb_color_theme = 0;
video_info->xmb_theme = 0;
video_info->timedate_enable = false;
video_info->battery_level_enable = false;
video_info->xmb_shadows_enable = false;
video_info->xmb_alpha_factor = 0.0f;
video_info->menu_framebuffer_opacity = 0.0f;
video_info->menu_wallpaper_opacity = 0.0f;
video_info->overlay_behind_menu = false;
#endif
video_info->runloop_is_paused = runloop_st->paused;
video_info->runloop_is_slowmotion = runloop_st->slowmotion;
video_info->input_driver_nonblock_state = input_st ?
input_st->nonblocking_flag : false;
video_info->input_driver_grab_mouse_state = input_st->grab_mouse_state;
video_info->disp_userdata = disp_get_ptr();
video_info->userdata =
VIDEO_DRIVER_GET_PTR_INTERNAL(video_st);
#ifdef HAVE_THREADS
VIDEO_DRIVER_THREADED_UNLOCK(video_st, is_threaded);
#endif
}
#ifdef HAVE_VULKAN
static const gfx_ctx_driver_t *vk_context_driver_init_first(
runloop_state_t *runloop_st,
settings_t *settings,
void *data,
const char *ident, enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx, void **ctx_data)
{
unsigned j;
int i = -1;
video_driver_state_t *video_st = &video_driver_st;
for (j = 0; gfx_ctx_vk_drivers[j]; j++)
{
if (string_is_equal_noncase(ident, gfx_ctx_vk_drivers[j]->ident))
{
i = j;
break;
}
}
if (i >= 0)
{
const gfx_ctx_driver_t *ctx = video_context_driver_init(
runloop_st->core_set_shared_context,
settings,
data,
gfx_ctx_vk_drivers[i], ident,
api, major, minor, hw_render_ctx, ctx_data);
if (ctx)
{
video_st->context_data = *ctx_data;
return ctx;
}
}
for (i = 0; gfx_ctx_vk_drivers[i]; i++)
{
const gfx_ctx_driver_t *ctx =
video_context_driver_init(
runloop_st->core_set_shared_context,
settings,
data,
gfx_ctx_vk_drivers[i], ident,
api, major, minor, hw_render_ctx, ctx_data);
if (ctx)
{
video_st->context_data = *ctx_data;
return ctx;
}
}
return NULL;
}
#endif
static const gfx_ctx_driver_t *gl_context_driver_init_first(
runloop_state_t *runloop_st,
settings_t *settings,
void *data,
const char *ident, enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx, void **ctx_data)
{
unsigned j;
int i = -1;
video_driver_state_t *video_st = &video_driver_st;
for (j = 0; gfx_ctx_gl_drivers[j]; j++)
{
if (string_is_equal_noncase(ident, gfx_ctx_gl_drivers[j]->ident))
{
i = j;
break;
}
}
if (i >= 0)
{
const gfx_ctx_driver_t *ctx = video_context_driver_init(
runloop_st->core_set_shared_context,
settings,
data,
gfx_ctx_gl_drivers[i], ident,
api, major, minor, hw_render_ctx, ctx_data);
if (ctx)
{
video_st->context_data = *ctx_data;
return ctx;
}
}
for (i = 0; gfx_ctx_gl_drivers[i]; i++)
{
const gfx_ctx_driver_t *ctx =
video_context_driver_init(
runloop_st->core_set_shared_context,
settings,
data,
gfx_ctx_gl_drivers[i], ident,
api, major, minor, hw_render_ctx, ctx_data);
if (ctx)
{
video_st->context_data = *ctx_data;
return ctx;
}
}
return NULL;
}
/**
* video_context_driver_init_first:
* @data : Input data.
* @ident : Identifier of graphics context driver to find.
* @api : API of higher-level graphics API.
* @major : Major version number of higher-level graphics API.
* @minor : Minor version number of higher-level graphics API.
* @hw_render_ctx : Request a graphics context driver capable of
* hardware rendering?
*
* Finds first suitable graphics context driver and initializes.
*
* Returns: graphics context driver if found, otherwise NULL.
**/
const gfx_ctx_driver_t *video_context_driver_init_first(void *data,
const char *ident, enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx, void **ctx_data)
{
runloop_state_t *runloop_st = runloop_state_get_ptr();
settings_t *settings = config_get_ptr();
switch (api)
{
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
{
const gfx_ctx_driver_t *ptr = vk_context_driver_init_first(
runloop_st, settings,
data, ident, api, major, minor, hw_render_ctx, ctx_data);
if (ptr && !string_is_equal(ptr->ident, "null"))
return ptr;
/* fall-through if no valid driver was found */
}
#endif
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
case GFX_CTX_METAL_API:
case GFX_CTX_RSX_API:
return gl_context_driver_init_first(
runloop_st, settings,
data, ident, api, major, minor,
hw_render_ctx, ctx_data);
case GFX_CTX_NONE:
default:
break;
}
return NULL;
}
void video_context_driver_free(void)
{
video_driver_state_t *video_st = &video_driver_st;
video_context_driver_destroy(&video_st->current_video_context);
video_st->context_data = NULL;
}
bool video_context_driver_get_metrics(gfx_ctx_metrics_t *metrics)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->current_video_context.get_metrics)
return video_st->current_video_context.get_metrics(
video_st->context_data,
metrics->type,
metrics->value);
return false;
}
bool video_context_driver_get_refresh_rate(float *refresh_rate)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->current_video_context.get_refresh_rate || !refresh_rate)
return false;
if (!video_st->context_data)
return false;
if (!video_st->crt_switching_active)
{
if (refresh_rate)
*refresh_rate =
video_st->current_video_context.get_refresh_rate(
video_st->context_data);
}
else
{
float refresh_holder = 0;
if (refresh_rate)
refresh_holder =
video_st->current_video_context.get_refresh_rate(
video_st->context_data);
/* Fix for incorrect interlacing detection --
* HARD SET VSYNC TO REQUIRED REFRESH FOR CRT*/
if (refresh_holder != video_st->core_hz)
*refresh_rate = video_st->core_hz;
}
return true;
}
bool video_context_driver_get_ident(gfx_ctx_ident_t *ident)
{
video_driver_state_t *video_st = &video_driver_st;
if (!ident)
return false;
ident->ident = video_st->current_video_context.ident;
return true;
}
bool video_context_driver_get_flags(gfx_ctx_flags_t *flags)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->current_video_context.get_flags)
return false;
if (video_st->deferred_video_context_driver_set_flags)
{
flags->flags =
video_st->deferred_flag_data.flags;
video_st->deferred_video_context_driver_set_flags = false;
return true;
}
flags->flags = video_st->current_video_context.get_flags(
video_st->context_data);
return true;
}
static bool video_driver_get_flags(gfx_ctx_flags_t *flags)
{
video_driver_state_t *video_st = &video_driver_st;
if (!video_st->poke || !video_st->poke->get_flags)
return false;
flags->flags = video_st->poke->get_flags(video_st->data);
return true;
}
gfx_ctx_flags_t video_driver_get_flags_wrapper(void)
{
gfx_ctx_flags_t flags;
flags.flags = 0;
if (!video_driver_get_flags(&flags))
video_context_driver_get_flags(&flags);
return flags;
}
/**
* video_driver_test_all_flags:
* @testflag : flag to test
*
* Poll both the video and context driver's flags and test
* whether @testflag is set or not.
**/
bool video_driver_test_all_flags(enum display_flags testflag)
{
gfx_ctx_flags_t flags;
if (video_driver_get_flags(&flags))
if (BIT32_GET(flags.flags, testflag))
return true;
if (video_context_driver_get_flags(&flags))
if (BIT32_GET(flags.flags, testflag))
return true;
return false;
}
bool video_context_driver_set_flags(gfx_ctx_flags_t *flags)
{
video_driver_state_t *video_st = &video_driver_st;
if (!flags)
return false;
if (video_st->current_video_context.set_flags)
{
video_st->current_video_context.set_flags(
video_st->context_data, flags->flags);
return true;
}
video_st->deferred_flag_data.flags = flags->flags;
video_st->deferred_video_context_driver_set_flags = true;
return false;
}
enum gfx_ctx_api video_context_driver_get_api(void)
{
video_driver_state_t *video_st = &video_driver_st;
enum gfx_ctx_api ctx_api = video_st->context_data ?
video_st->current_video_context.get_api(
video_st->context_data) : GFX_CTX_NONE;
if (ctx_api == GFX_CTX_NONE)
{
const char *video_ident = (video_st->current_video)
? video_st->current_video->ident
: NULL;
if (string_starts_with_size(video_ident, "d3d", STRLEN_CONST("d3d")))
{
if (string_is_equal(video_ident, "d3d9"))
return GFX_CTX_DIRECT3D9_API;
else if (string_is_equal(video_ident, "d3d10"))
return GFX_CTX_DIRECT3D10_API;
else if (string_is_equal(video_ident, "d3d11"))
return GFX_CTX_DIRECT3D11_API;
else if (string_is_equal(video_ident, "d3d12"))
return GFX_CTX_DIRECT3D12_API;
}
if (string_starts_with_size(video_ident, "gl", STRLEN_CONST("gl")))
{
if (string_is_equal(video_ident, "gl"))
return GFX_CTX_OPENGL_API;
else if (string_is_equal(video_ident, "gl1"))
return GFX_CTX_OPENGL_API;
else if (string_is_equal(video_ident, "glcore"))
return GFX_CTX_OPENGL_API;
}
else if (string_is_equal(video_ident, "vulkan"))
return GFX_CTX_VULKAN_API;
else if (string_is_equal(video_ident, "metal"))
return GFX_CTX_METAL_API;
return GFX_CTX_NONE;
}
return ctx_api;
}
bool video_driver_has_windowed(void)
{
#if !(defined(RARCH_CONSOLE) || defined(RARCH_MOBILE))
video_driver_state_t *video_st = &video_driver_st;
if (video_st->data && video_st->current_video->has_windowed)
return video_st->current_video->has_windowed(video_st->data);
#endif
return false;
}
bool video_driver_cached_frame_has_valid_framebuffer(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->frame_cache_data)
return (video_st->frame_cache_data == RETRO_HW_FRAME_BUFFER_VALID);
return false;
}
bool video_shader_driver_get_current_shader(video_shader_ctx_t *shader)
{
video_driver_state_t *video_st = &video_driver_st;
void *video_driver = video_st->data;
const video_poke_interface_t *video_poke = video_st->poke;
shader->data = NULL;
if (!video_poke || !video_driver || !video_poke->get_current_shader)
return false;
shader->data = video_poke->get_current_shader(video_driver);
return true;
}
float video_driver_get_refresh_rate(void)
{
video_driver_state_t *video_st = &video_driver_st;
if (video_st->poke && video_st->poke->get_refresh_rate)
return video_st->poke->get_refresh_rate(video_st->data);
return 0.0f;
}
#if defined(HAVE_GFX_WIDGETS)
bool video_driver_has_widgets(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->current_video
&& video_st->current_video->gfx_widgets_enabled
&& video_st->current_video->gfx_widgets_enabled(video_st->data);
}
#endif
void video_driver_set_gpu_device_string(const char *str)
{
video_driver_state_t *video_st = &video_driver_st;
strlcpy(video_st->gpu_device_string, str,
sizeof(video_st->gpu_device_string));
}
const char* video_driver_get_gpu_device_string(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->gpu_device_string;
}
void video_driver_set_gpu_api_version_string(const char *str)
{
video_driver_state_t *video_st = &video_driver_st;
strlcpy(video_st->gpu_api_version_string, str,
sizeof(video_st->gpu_api_version_string));
}
const char* video_driver_get_gpu_api_version_string(void)
{
video_driver_state_t *video_st = &video_driver_st;
return video_st->gpu_api_version_string;
}
bool video_driver_init_internal(bool *video_is_threaded, bool verbosity_enabled)
{
video_info_t video;
unsigned max_dim, scale, width, height;
video_viewport_t *custom_vp = NULL;
input_driver_t *tmp = NULL;
static uint16_t dummy_pixels[32] = {0};
runloop_state_t *runloop_st = runloop_state_get_ptr();
settings_t *settings = config_get_ptr();
input_driver_state_t *input_st = input_state_get_ptr();
video_driver_state_t *video_st = &video_driver_st;
struct retro_game_geometry *geom = &video_st->av_info.geometry;
const enum retro_pixel_format
video_driver_pix_fmt = video_st->pix_fmt;
#ifdef HAVE_VIDEO_FILTER
const char *path_softfilter_plugin = settings->paths.path_softfilter_plugin;
if (!string_is_empty(path_softfilter_plugin))
video_driver_init_filter(video_driver_pix_fmt, settings);
#endif
max_dim = MAX(geom->max_width, geom->max_height);
scale = next_pow2(max_dim) / RARCH_SCALE_BASE;
scale = MAX(scale, 1);
#ifdef HAVE_VIDEO_FILTER
if (video_st->state_filter)
scale = video_st->state_scale;
#endif
/* Update core-dependent aspect ratio values. */
video_driver_set_viewport_square_pixel(geom);
video_driver_set_viewport_core();
video_driver_set_viewport_config(geom,
settings->floats.video_aspect_ratio,
settings->bools.video_aspect_ratio_auto);
/* Update CUSTOM viewport. */
custom_vp = &settings->video_viewport_custom;
if (settings->uints.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;
}
{
/* Guard against aspect ratio index possibly being out of bounds */
unsigned new_aspect_idx = settings->uints.video_aspect_ratio_idx;
if (new_aspect_idx > ASPECT_RATIO_END)
new_aspect_idx = settings->uints.video_aspect_ratio_idx = 0;
video_driver_set_aspect_ratio_value(
aspectratio_lut[new_aspect_idx].value);
}
if (settings->bools.video_fullscreen || video_st->force_fullscreen)
{
width = settings->uints.video_fullscreen_x;
height = settings->uints.video_fullscreen_y;
}
else
{
#ifdef __WINRT__
if (is_running_on_xbox())
{
width = uwp_get_width();
height = uwp_get_height();
}
else
#endif
{
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__)
bool window_custom_size_enable = settings->bools.video_window_save_positions;
#else
bool window_custom_size_enable = settings->bools.video_window_custom_size_enable;
#endif
/* TODO: remove when the new window resizing core is hooked */
if (window_custom_size_enable &&
settings->uints.window_position_width &&
settings->uints.window_position_height)
{
width = settings->uints.window_position_width;
height = settings->uints.window_position_height;
}
else
{
float video_scale = settings->floats.video_scale;
/* Determine maximum allowed window dimensions
* NOTE: We cannot read the actual display
* metrics here, because the context driver
* has not yet been initialised... */
/* > Try explicitly configured values */
unsigned max_win_width = settings->uints.window_auto_width_max;
unsigned max_win_height = settings->uints.window_auto_height_max;
/* > Handle invalid settings */
if ((max_win_width == 0) || (max_win_height == 0))
{
/* > Try configured fullscreen width/height */
max_win_width = settings->uints.video_fullscreen_x;
max_win_height = settings->uints.video_fullscreen_y;
if ((max_win_width == 0) || (max_win_height == 0))
{
/* Maximum window width/size *must* be non-zero;
* if all else fails, used defined default
* maximum window size */
max_win_width = DEFAULT_WINDOW_AUTO_WIDTH_MAX;
max_win_height = DEFAULT_WINDOW_AUTO_HEIGHT_MAX;
}
}
/* Determine nominal window size based on
* core geometry */
if (settings->bools.video_force_aspect)
{
/* Do rounding here to simplify integer
* scale correctness. */
unsigned base_width = roundf(geom->base_height *
video_st->aspect_ratio);
width = roundf(base_width * video_scale);
}
else
width = roundf(geom->base_width * video_scale);
height = roundf(geom->base_height * video_scale);
/* Cap window size to maximum allowed values */
if ((width > max_win_width) || (height > max_win_height))
{
unsigned geom_width = (width > 0) ? width : 1;
unsigned geom_height = (height > 0) ? height : 1;
float geom_aspect = (float)geom_width / (float)geom_height;
float max_win_aspect = (float)max_win_width / (float)max_win_height;
if (geom_aspect > max_win_aspect)
{
width = max_win_width;
height = geom_height * max_win_width / geom_width;
/* Account for any possible rounding errors... */
height = (height < 1) ? 1 : height;
height = (height > max_win_height) ? max_win_height : height;
}
else
{
height = max_win_height;
width = geom_width * max_win_height / geom_height;
/* Account for any possible rounding errors... */
width = (width < 1) ? 1 : width;
width = (width > max_win_width) ? max_win_width : width;
}
}
}
}
}
if (width && height)
RARCH_LOG("[Video]: Set video size to: %ux%u.\n", width, height);
else
RARCH_LOG("[Video]: Set video size to: fullscreen.\n");
video_st->display_type = RARCH_DISPLAY_NONE;
video_st->display = 0;
video_st->display_userdata = 0;
video_st->window = 0;
video_st->scaler_ptr = video_driver_pixel_converter_init(
video_st->pix_fmt,
VIDEO_DRIVER_GET_HW_CONTEXT_INTERNAL(video_st),
RARCH_SCALE_BASE * scale);
video.width = width;
video.height = height;
video.fullscreen = settings->bools.video_fullscreen ||
video_st->force_fullscreen;
video.vsync = settings->bools.video_vsync &&
!runloop_st->force_nonblock;
video.force_aspect = settings->bools.video_force_aspect;
video.font_enable = settings->bools.video_font_enable;
video.swap_interval = settings->uints.video_swap_interval;
video.adaptive_vsync = settings->bools.video_adaptive_vsync;
#ifdef GEKKO
video.viwidth = settings->uints.video_viwidth;
video.vfilter = settings->bools.video_vfilter;
#endif
video.smooth = settings->bools.video_smooth;
video.ctx_scaling = settings->bools.video_ctx_scaling;
video.input_scale = scale;
video.font_size = settings->floats.video_font_size;
video.path_font = settings->paths.path_font;
#ifdef HAVE_VIDEO_FILTER
video.rgb32 =
video_st->state_filter
? video_st->state_out_rgb32
: (video_driver_pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
#else
video.rgb32 =
(video_driver_pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
#endif
video.parent = 0;
video_st->started_fullscreen = video.fullscreen;
/* Reset video frame count */
video_st->frame_count = 0;
tmp = input_state_get_ptr()->current_driver;
/* Need to grab the "real" video driver interface on a reinit. */
video_driver_find_driver(settings,
"video driver", verbosity_enabled);
#ifdef HAVE_THREADS
video.is_threaded =
VIDEO_DRIVER_IS_THREADED_INTERNAL(video_st);
*video_is_threaded = video.is_threaded;
if (video.is_threaded)
{
bool ret;
/* Can't do hardware rendering with threaded driver currently. */
RARCH_LOG("[Video]: Starting threaded video driver ...\n");
ret = video_init_thread(
(const video_driver_t**)&video_st->current_video,
&video_st->data,
&input_state_get_ptr()->current_driver,
(void**)&input_state_get_ptr()->current_data,
video_st->current_video,
video);
if (!ret)
{
RARCH_ERR("[Video]: Cannot open threaded video driver ... Exiting ...\n");
return false;
}
}
else
#endif
video_st->data = video_st->current_video->init(
&video,
&input_state_get_ptr()->current_driver,
(void**)&input_state_get_ptr()->current_data);
if (!video_st->data)
{
RARCH_ERR("[Video]: Cannot open video driver ... Exiting ...\n");
return false;
}
video_st->poke = NULL;
if (video_st->current_video->poke_interface)
video_st->current_video->poke_interface(
video_st->data, &video_st->poke);
if (video_st->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(retroarch_get_rotation() % 4);
video_st->current_video->suppress_screensaver(video_st->data,
settings->bools.ui_suspend_screensaver_enable);
if (!video_driver_init_input(tmp, settings, verbosity_enabled))
return false;
#ifdef HAVE_OVERLAY
input_overlay_deinit();
input_overlay_init();
#endif
#ifdef HAVE_VIDEO_LAYOUT
if (settings->bools.video_layout_enable)
{
video_layout_init(video_st->data,
video_driver_layout_render_interface());
video_layout_load(settings->paths.path_video_layout);
video_layout_view_select(settings->uints.video_layout_selected_view);
}
#endif
if (!runloop_st->current_core.game_loaded)
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
video_context_driver_reset();
video_display_server_init(video_st->display_type);
if ((enum rotation)settings->uints.screen_orientation != ORIENTATION_NORMAL)
video_display_server_set_screen_orientation((enum rotation)settings->uints.screen_orientation);
/* Ensure that we preserve the 'grab mouse'
* state if it was enabled prior to driver
* (re-)initialisation */
if (input_st->grab_mouse_state)
{
video_driver_hide_mouse();
if (input_driver_grab_mouse())
input_st->grab_mouse_state = true;
}
else if (video.fullscreen)
{
video_driver_hide_mouse();
if (!settings->bools.video_windowed_fullscreen)
if (input_driver_grab_mouse())
input_st->grab_mouse_state = true;
}
return true;
}
void video_driver_frame(const void *data, unsigned width,
unsigned height, size_t pitch)
{
char status_text[128];
static char video_driver_msg[256];
static retro_time_t curr_time;
static retro_time_t fps_time;
static float last_fps, frame_time;
static uint64_t last_used_memory, last_total_memory;
/* Initialise 'last_frame_duped' to 'true'
* to ensure that the first frame is rendered */
static bool last_frame_duped = true;
retro_time_t new_time;
video_frame_info_t video_info;
video_driver_state_t *video_st= &video_driver_st;
runloop_state_t *runloop_st = runloop_state_get_ptr();
const enum retro_pixel_format
video_driver_pix_fmt = video_st->pix_fmt;
bool runloop_idle = runloop_st->idle;
bool render_frame = !runloop_st->fastforward_frameskip_frames_current;
bool video_driver_active = video_st->active;
#if defined(HAVE_GFX_WIDGETS)
bool widgets_active = dispwidget_get_ptr()->active;
#endif
recording_state_t
*recording_st = recording_state_get_ptr();
status_text[0] = '\0';
video_driver_msg[0] = '\0';
if (!video_driver_active)
return;
new_time = cpu_features_get_time_usec();
if (data)
video_st->frame_cache_data = data;
video_st->frame_cache_width = width;
video_st->frame_cache_height = height;
video_st->frame_cache_pitch = pitch;
if (
video_st->scaler_ptr
&& data
&& (video_driver_pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555)
&& (data != RETRO_HW_FRAME_BUFFER_VALID)
&& video_pixel_frame_scale(
video_st->scaler_ptr->scaler,
video_st->scaler_ptr->scaler_out,
data, width, height, pitch)
)
{
data = video_st->scaler_ptr->scaler_out;
pitch = video_st->scaler_ptr->scaler->out_stride;
}
video_driver_build_info(&video_info);
/* Always render a frame if:
* - Menu is open
* - The last frame was NULL and the
* current frame is not (i.e. if core was
* previously sending duped frames, ensure
* that the next frame update is captured) */
render_frame |= video_info.menu_is_alive || (last_frame_duped && !!data);
last_frame_duped = !data;
if (!render_frame)
runloop_st->fastforward_frameskip_frames_current--;
/* Get the amount of frames per seconds. */
if (video_st->frame_count)
{
unsigned fps_update_interval =
video_info.fps_update_interval;
unsigned memory_update_interval =
video_info.memory_update_interval;
size_t buf_pos = 1;
/* set this to 1 to avoid an offset issue */
unsigned write_index =
video_st->frame_time_count++ &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1);
frame_time = new_time - fps_time;
video_st->frame_time_samples
[write_index] = frame_time;
fps_time = new_time;
if (video_info.fps_show)
buf_pos = snprintf(
status_text, sizeof(status_text),
"FPS: %6.2f", last_fps);
if (video_info.framecount_show)
{
char frames_text[64];
if (status_text[buf_pos-1] != '\0')
strlcat(status_text, " || ", sizeof(status_text));
snprintf(frames_text,
sizeof(frames_text),
"%s: %" PRIu64, msg_hash_to_str(MSG_FRAMES),
(uint64_t)video_st->frame_count);
buf_pos = strlcat(status_text, frames_text, sizeof(status_text));
}
if (video_info.memory_show)
{
char mem[128];
if ((video_st->frame_count % memory_update_interval) == 0)
{
last_total_memory = frontend_driver_get_total_memory();
last_used_memory = last_total_memory - frontend_driver_get_free_memory();
}
mem[0] = '\0';
snprintf(
mem, sizeof(mem), "MEM: %.2f/%.2fMB", last_used_memory / (1024.0f * 1024.0f),
last_total_memory / (1024.0f * 1024.0f));
if (status_text[buf_pos-1] != '\0')
strlcat(status_text, " || ", sizeof(status_text));
strlcat(status_text, mem, sizeof(status_text));
}
if ((video_st->frame_count % fps_update_interval) == 0)
{
last_fps = TIME_TO_FPS(curr_time, new_time,
fps_update_interval);
strlcpy(video_st->window_title,
video_st->title_buf,
sizeof(video_st->window_title));
if (!string_is_empty(status_text))
{
strlcat(video_st->window_title,
" || ", sizeof(video_st->window_title));
strlcat(video_st->window_title,
status_text, sizeof(video_st->window_title));
}
curr_time = new_time;
video_st->window_title_update = true;
}
}
else
{
curr_time = fps_time = new_time;
strlcpy(video_st->window_title,
video_st->title_buf,
sizeof(video_st->window_title));
if (video_info.fps_show)
strlcpy(status_text,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE),
sizeof(status_text));
video_st->window_title_update = true;
}
/* Add core status message to status text */
if (video_info.core_status_msg_show)
{
/* Note: We need to lock a mutex here. Strictly
* speaking, runloop_core_status_msg is not part
* of the message queue, but:
* - It may be implemented as a queue in the future
* - It seems unnecessary to create a new slock_t
* object for this type of message when
* _runloop_msg_queue_lock is already available
* We therefore just call runloop_msg_queue_lock()/
* runloop_msg_queue_unlock() in this case */
RUNLOOP_MSG_QUEUE_LOCK(runloop_st);
/* Check whether duration timer has elapsed */
runloop_st->core_status_msg.duration -= anim_get_ptr()->delta_time;
if (runloop_st->core_status_msg.duration < 0.0f)
{
runloop_st->core_status_msg.str[0] = '\0';
runloop_st->core_status_msg.priority = 0;
runloop_st->core_status_msg.duration = 0.0f;
runloop_st->core_status_msg.set = false;
}
else
{
/* If status text is already set, add status
* message at the end */
if (!string_is_empty(status_text))
{
strlcat(status_text,
" || ", sizeof(status_text));
strlcat(status_text,
runloop_st->core_status_msg.str,
sizeof(status_text));
}
else
strlcpy(status_text,
runloop_st->core_status_msg.str,
sizeof(status_text));
}
RUNLOOP_MSG_QUEUE_UNLOCK(runloop_st);
}
/* Slightly messy code,
* but we really need to do processing before blocking on VSync
* for best possible scheduling.
*/
if (
(
#ifdef HAVE_VIDEO_FILTER
!video_st->state_filter ||
#endif
!video_info.post_filter_record
|| !data
|| video_st->record_gpu_buffer
) && recording_st->data
&& recording_st->driver
&& recording_st->driver->push_video)
recording_dump_frame(
data, width, height,
pitch, runloop_idle);
#ifdef HAVE_VIDEO_FILTER
if (render_frame && data && video_st->state_filter)
{
unsigned output_width = 0;
unsigned output_height = 0;
unsigned output_pitch = 0;
rarch_softfilter_get_output_size(video_st->state_filter,
&output_width, &output_height, width, height);
output_pitch = (output_width) * video_st->state_out_bpp;
rarch_softfilter_process(video_st->state_filter,
video_st->state_buffer, output_pitch,
data, width, height, pitch);
if (video_info.post_filter_record
&& recording_st->data
&& recording_st->driver
&& recording_st->driver->push_video)
recording_dump_frame(
video_st->state_buffer,
output_width, output_height, output_pitch,
runloop_idle);
data = video_st->state_buffer;
width = output_width;
height = output_height;
pitch = output_pitch;
}
#endif
if (runloop_st->msg_queue_size > 0)
{
/* If widgets are currently enabled, then
* messages were pushed to the queue before
* widgets were initialised - in this case, the
* first item in the message queue should be
* extracted and pushed to the widget message
* queue instead */
#if defined(HAVE_GFX_WIDGETS)
if (widgets_active)
{
msg_queue_entry_t msg_entry;
bool msg_found = false;
RUNLOOP_MSG_QUEUE_LOCK(runloop_st);
msg_found = msg_queue_extract(
&runloop_st->msg_queue, &msg_entry);
runloop_st->msg_queue_size = msg_queue_size(
&runloop_st->msg_queue);
RUNLOOP_MSG_QUEUE_UNLOCK(runloop_st);
if (msg_found)
gfx_widgets_msg_queue_push(
NULL,
msg_entry.msg,
roundf((float)msg_entry.duration / 60.0f * 1000.0f),
msg_entry.title,
msg_entry.icon,
msg_entry.category,
msg_entry.prio,
false,
video_info.menu_is_alive
);
}
/* ...otherwise, just output message via
* regular OSD notification text (if enabled) */
else if (video_info.font_enable)
#else
if (video_info.font_enable)
#endif
{
const char *msg = NULL;
RUNLOOP_MSG_QUEUE_LOCK(runloop_st);
msg = msg_queue_pull(&runloop_st->msg_queue);
runloop_st->msg_queue_size = msg_queue_size(&runloop_st->msg_queue);
if (msg)
strlcpy(video_driver_msg, msg, sizeof(video_driver_msg));
RUNLOOP_MSG_QUEUE_UNLOCK(runloop_st);
}
}
if (render_frame && video_info.statistics_show)
{
audio_statistics_t audio_stats;
double stddev = 0.0;
struct retro_system_av_info *av_info = &video_st->av_info;
unsigned red = 255;
unsigned green = 255;
unsigned blue = 255;
unsigned alpha = 255;
audio_stats.samples = 0;
audio_stats.average_buffer_saturation = 0.0f;
audio_stats.std_deviation_percentage = 0.0f;
audio_stats.close_to_underrun = 0.0f;
audio_stats.close_to_blocking = 0.0f;
video_monitor_fps_statistics(NULL, &stddev, NULL);
video_info.osd_stat_params.x = 0.010f;
video_info.osd_stat_params.y = 0.950f;
video_info.osd_stat_params.scale = 1.0f;
video_info.osd_stat_params.full_screen = true;
video_info.osd_stat_params.drop_x = -2;
video_info.osd_stat_params.drop_y = -2;
video_info.osd_stat_params.drop_mod = 0.3f;
video_info.osd_stat_params.drop_alpha = 1.0f;
video_info.osd_stat_params.color = COLOR_ABGR(
red, green, blue, alpha);
audio_compute_buffer_statistics(&audio_stats);
snprintf(video_info.stat_text,
sizeof(video_info.stat_text),
"Video Statistics:\n -Frame rate: %6.2f fps\n -Frame time: %6.2f ms\n -Frame time deviation: %.3f %%\n"
" -Frame delay (target/effective): %u/%u ms\n -Frame count: %" PRIu64"\n -Viewport: %d x %d x %3.2f\n"
"Audio Statistics:\n -Average buffer saturation: %.2f %%\n -Standard deviation: %.2f %%\n -Time spent close to underrun: %.2f %%\n -Time spent close to blocking: %.2f %%\n -Sample count: %d\n"
"Core Geometry:\n -Size: %u x %u\n -Max Size: %u x %u\n -Aspect: %3.2f\nCore Timing:\n -FPS: %3.2f\n -Sample Rate: %6.2f\n",
last_fps,
frame_time / 1000.0f,
100.0f * stddev,
video_st->frame_delay_target,
video_st->frame_delay_effective,
video_st->frame_count,
video_info.width,
video_info.height,
video_info.refresh_rate,
audio_stats.average_buffer_saturation,
audio_stats.std_deviation_percentage,
audio_stats.close_to_underrun,
audio_stats.close_to_blocking,
audio_stats.samples,
av_info->geometry.base_width,
av_info->geometry.base_height,
av_info->geometry.max_width,
av_info->geometry.max_height,
av_info->geometry.aspect_ratio,
av_info->timing.fps,
av_info->timing.sample_rate);
/* TODO/FIXME - add OSD chat text here */
}
if (render_frame && video_st->current_video && video_st->current_video->frame)
{
video_st->active = video_st->current_video->frame(
video_st->data, data, width, height,
video_st->frame_count, (unsigned)pitch,
video_info.menu_screensaver_active || video_info.notifications_hidden ? "" : video_driver_msg,
&video_info);
runloop_st->fastforward_frameskip_frames_current = runloop_st->fastforward_frameskip_frames;
}
video_st->frame_count++;
/* Display the status text, with a higher priority. */
if ( ( video_info.fps_show
|| video_info.framecount_show
|| video_info.memory_show
|| video_info.core_status_msg_show
)
&& !video_info.menu_screensaver_active
&& !video_info.notifications_hidden
)
{
#if defined(HAVE_GFX_WIDGETS)
if (widgets_active)
strlcpy(
dispwidget_get_ptr()->gfx_widgets_status_text,
status_text,
sizeof(dispwidget_get_ptr()->gfx_widgets_status_text)
);
else
#endif
{
runloop_msg_queue_push(status_text, 2, 1, true, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
}
}
#if defined(HAVE_CRTSWITCHRES)
/* trigger set resolution*/
if (video_info.crt_switch_resolution)
{
unsigned native_width = width;
bool dynamic_super_width = false;
video_st->crt_switching_active = true;
switch (video_info.crt_switch_resolution_super)
{
case 2560:
case 3840:
case 1920:
width = video_info.crt_switch_resolution_super;
dynamic_super_width = false;
break;
case 1:
dynamic_super_width = true;
break;
default:
break;
}
crt_switch_res_core(
&video_st->crt_switch_st,
native_width, width,
height,
video_st->core_hz,
video_info.crt_switch_resolution,
video_info.crt_switch_center_adjust,
video_info.crt_switch_porch_adjust,
video_info.monitor_index,
dynamic_super_width,
video_info.crt_switch_resolution_super,
video_info.crt_switch_hires_menu);
}
else if (!video_info.crt_switch_resolution)
#endif
video_st->crt_switching_active = false;
}
static void video_driver_reinit_context(settings_t *settings, int flags)
{
/* RARCH_DRIVER_CTL_UNINIT clears the callback struct so we
* need to make sure to keep a copy */
struct retro_hw_render_callback hwr_copy;
video_driver_state_t *video_st = &video_driver_st;
struct retro_hw_render_callback *hwr =
VIDEO_DRIVER_GET_HW_CONTEXT_INTERNAL(video_st);
const struct retro_hw_render_context_negotiation_interface *iface =
video_st->hw_render_context_negotiation;
memcpy(&hwr_copy, hwr, sizeof(hwr_copy));
driver_uninit(flags);
memcpy(hwr, &hwr_copy, sizeof(*hwr));
video_st->hw_render_context_negotiation = iface;
drivers_init(settings, flags, verbosity_is_enabled());
}
void video_driver_reinit(int flags)
{
settings_t *settings = config_get_ptr();
video_driver_state_t *video_st = &video_driver_st;
struct retro_hw_render_callback *hwr =
VIDEO_DRIVER_GET_HW_CONTEXT_INTERNAL(video_st);
video_st->cache_context = (hwr->cache_context != false);
video_st->cache_context_ack = false;
video_driver_reinit_context(settings, flags);
video_st->cache_context = false;
}
#define FRAME_DELAY_AUTO_DEBUG 0
void video_frame_delay_auto(video_driver_state_t *video_st, video_frame_delay_auto_t *vfda)
{
unsigned i = 0;
unsigned frame_time = 0;
unsigned frame_time_frames = vfda->frame_time_interval;
unsigned frame_time_target = 1000000.0f / vfda->refresh_rate;
unsigned frame_time_limit_min = frame_time_target * 1.30f;
unsigned frame_time_limit_med = frame_time_target * 1.50f;
unsigned frame_time_limit_max = frame_time_target * 1.90f;
unsigned frame_time_limit_cap = frame_time_target * 2.50f;
unsigned frame_time_limit_ign = frame_time_target * 3.75f;
unsigned frame_time_min = frame_time_target;
unsigned frame_time_max = frame_time_target;
unsigned frame_time_count_pos = 0;
unsigned frame_time_count_min = 0;
unsigned frame_time_count_med = 0;
unsigned frame_time_count_max = 0;
unsigned frame_time_count_ign = 0;
unsigned frame_time_index =
(video_st->frame_time_count &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1));
/* Calculate average frame time */
for (i = 1; i < frame_time_frames + 1; i++)
{
unsigned frame_time_i = 0;
if (i > frame_time_index)
continue;
frame_time_i = video_st->frame_time_samples[frame_time_index - i];
if (frame_time_max < frame_time_i)
frame_time_max = frame_time_i;
if (frame_time_min > frame_time_i)
frame_time_min = frame_time_i;
/* Count frames over the target */
if (frame_time_i > frame_time_target)
{
frame_time_count_pos++;
if (frame_time_i > frame_time_limit_min)
frame_time_count_min++;
if (frame_time_i > frame_time_limit_med)
frame_time_count_med++;
if (frame_time_i > frame_time_limit_max)
frame_time_count_max++;
if (frame_time_i > frame_time_limit_ign)
frame_time_count_ign++;
/* Limit maximum to prevent false positives */
if (frame_time_i > frame_time_limit_cap)
frame_time_i = frame_time_limit_cap;
}
frame_time += frame_time_i;
}
frame_time /= frame_time_frames;
/* Ignore values when core is doing internal frame skipping */
if (frame_time_count_ign > 0)
frame_time = 0;
/* Special handlings for different video driver frame timings */
if (frame_time < frame_time_limit_med && frame_time > frame_time_target)
{
unsigned frame_time_frames_half = frame_time_frames / 2;
unsigned frame_time_delta = frame_time_max - frame_time_min;
/* Ensure outcome on certain conditions */
int mode = 0;
/* All frames are above the target */
if (frame_time_count_pos == frame_time_frames)
mode = 1;
/* At least half of interval frames are above minimum level */
else if (frame_time_count_min >= frame_time_frames_half)
mode = 2;
/* D3Dx stripe equalizer */
else if (
frame_time_count_pos == frame_time_frames_half
&& frame_time_count_min >= 1
&& frame_time_delta > (frame_time_target / 3)
&& frame_time_delta < (frame_time_target / 2)
&& frame_time > frame_time_target
)
mode = 3;
/* Boost med/max spikes */
else if (
frame_time_count_pos >= frame_time_frames_half
&& ( frame_time_count_max > 0
|| frame_time_count_med > 1)
&& frame_time_count_max == frame_time_count_med
&& frame_time_delta < frame_time_target
)
mode = 4;
/* Ignore */
else if (frame_time_delta > frame_time_target
&& frame_time_count_med == 0
)
mode = -1;
if (mode > 0)
{
#if FRAME_DELAY_AUTO_DEBUG
RARCH_LOG("[Video]: Frame delay nudge %d by mode %d.\n", frame_time, mode);
#endif
frame_time = frame_time_limit_med;
}
else if (mode < 0)
{
#if FRAME_DELAY_AUTO_DEBUG
RARCH_LOG("[Video]: Frame delay ignore %d.\n", frame_time);
#endif
frame_time = 0;
}
}
/* Final output decision */
if (frame_time > frame_time_limit_min)
{
unsigned delay_decrease = 1;
/* Increase decrease the more frame time is off target */
if (frame_time > frame_time_limit_med && video_st->frame_delay_effective > delay_decrease)
{
delay_decrease++;
if (frame_time > frame_time_limit_max && video_st->frame_delay_effective > delay_decrease)
delay_decrease++;
}
vfda->decrease = delay_decrease;
}
vfda->time = frame_time;
vfda->target = frame_time_target;
#if FRAME_DELAY_AUTO_DEBUG
if (frame_time_index > frame_time_frames)
RARCH_LOG("[Video]: %5d / pos:%d min:%d med:%d max:%d / delta:%5d = %5d %5d %5d %5d %5d %5d %5d %5d\n",
frame_time,
frame_time_count_pos,
frame_time_count_min,
frame_time_count_med,
frame_time_count_max,
frame_time_max - frame_time_min,
video_st->frame_time_samples[frame_time_index - 1],
video_st->frame_time_samples[frame_time_index - 2],
video_st->frame_time_samples[frame_time_index - 3],
video_st->frame_time_samples[frame_time_index - 4],
video_st->frame_time_samples[frame_time_index - 5],
video_st->frame_time_samples[frame_time_index - 6],
video_st->frame_time_samples[frame_time_index - 7],
video_st->frame_time_samples[frame_time_index - 8]
);
#endif
}
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