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video_driver.c
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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 <stdlib.h>
#include <math.h>
#include <retro_inline.h>
#include <string/stdstring.h>
#include <retro_math.h>
#include <retro_timers.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
#ifdef __WINRT__
#include "../uwp/uwp_func.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)))
#define FRAME_DELAY_AUTO_DEBUG 0
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"
};
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(__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(HAVE_OPENGL) || defined(HAVE_OPENGL1) || defined(HAVE_OPENGL_CORE)) && !defined(HAVE_ANGLE)
&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)) && !defined(HAVE_COCOA)
&gfx_ctx_sdl_gl,
#endif
#ifdef HAVE_OSMESA
&gfx_ctx_osmesa,
#endif
#ifdef EMSCRIPTEN
&gfx_ctx_emscripten,
#endif
&gfx_ctx_null,
NULL
};
/* Beware when changing this - it must match with enum aspect_ratio order */
struct aspect_ratio_elem aspectratio_lut[ASPECT_RATIO_END] = {
{ 4.0f / 3.0f , "4:3" },
{ 16.0f / 9.0f , "16:9" },
{ 16.0f / 10.0f, "16:10" },
{ 16.0f / 15.0f, "16:15" },
{ 21.0f / 9.0f , "21:9" },
{ 1.0f / 1.0f , "1:1" },
{ 2.0f / 1.0f , "2:1" },
{ 3.0f / 2.0f , "3:2" },
{ 3.0f / 4.0f , "3:4" },
{ 4.0f / 1.0f , "4:1" },
{ 9.0f / 16.0f , "9:16" },
{ 5.0f / 4.0f , "5:4" },
{ 6.0f / 5.0f , "6:5" },
{ 7.0f / 9.0f , "7:9" },
{ 8.0f / 3.0f , "8:3" },
{ 8.0f / 7.0f , "8:7" },
{ 19.0f / 12.0f, "19:12" },
{ 19.0f / 14.0f, "19:14" },
{ 30.0f / 17.0f, "30:17" },
{ 32.0f / 9.0f , "32:9" },
{ 0.0f , "" }, /* config - initialized in video_driver_init_internal */
{ 1.0f , "" }, /* square pixel - initialized in video_driver_set_viewport_square_pixel */
{ 1.0f , "" }, /* core provided - initialized in video_driver_init_internal */
{ 0.0f , "" }, /* custom - initialized in video_driver_init_internal */
{ 4.0f / 3.0f , "" } /* full - initialized in video_driver_init_internal */
};
static INLINE bool realloc_checked(void **ptr, size_t size)
{
void *nptr = NULL;
if (*ptr)
nptr = realloc(*ptr, size);
else
nptr = malloc(size);
if (nptr)
*ptr = nptr;
return *ptr == nptr;
}
static bool video_coord_array_resize(video_coord_array_t *ca,
unsigned cap)
{
size_t base_size = sizeof(float) * cap;
if (!realloc_checked((void**)&ca->coords.vertex,
2 * base_size))
return false;
if (!realloc_checked((void**)&ca->coords.color,
4 * base_size))
return false;
if (!realloc_checked((void**)&ca->coords.tex_coord,
2 * base_size))
return false;
if (!realloc_checked((void**)&ca->coords.lut_tex_coord,
2 * base_size))
return false;
ca->allocated = cap;
return true;
}
bool video_coord_array_append(video_coord_array_t *ca,
const video_coords_t *coords, unsigned count)
{
size_t base_size, offset;
count = MIN(count, coords->vertices);
if (ca->coords.vertices + count >= ca->allocated)
{
unsigned cap = next_pow2(ca->coords.vertices + count);
if (!video_coord_array_resize(ca, cap))
return false;
}
base_size = count * sizeof(float);
offset = ca->coords.vertices;
/* XXX: I wish we used interlaced arrays so
* we could call memcpy only once. */
memcpy(ca->coords.vertex + offset * 2,
coords->vertex, base_size * 2);
memcpy(ca->coords.color + offset * 4,
coords->color, base_size * 4);
memcpy(ca->coords.tex_coord + offset * 2,
coords->tex_coord, base_size * 2);
memcpy(ca->coords.lut_tex_coord + offset * 2,
coords->lut_tex_coord, base_size * 2);
ca->coords.vertices += count;
return true;
}
void video_coord_array_free(video_coord_array_t *ca)
{
if (!ca->allocated)
return;
if (ca->coords.vertex)
free(ca->coords.vertex);
ca->coords.vertex = NULL;
if (ca->coords.color)
free(ca->coords.color);
ca->coords.color = NULL;
if (ca->coords.tex_coord)
free(ca->coords.tex_coord);
ca->coords.tex_coord = NULL;
if (ca->coords.lut_tex_coord)
free(ca->coords.lut_tex_coord);
ca->coords.lut_tex_coord = NULL;
ca->coords.vertices = 0;
ca->allocated = 0;
}
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 *a, const void *b, unsigned c, unsigned d,
uint64_t e,
unsigned f, const char *g, video_frame_info_t *h) { return true; }
static void video_null_free(void *a) { }
static void video_null_set_nonblock_state(void *a, bool b, bool c, unsigned d) { }
static bool video_null_alive(void *a) { return frontend_driver_get_signal_handler_state() != 1; }
static bool video_null_focus(void *a) { return true; }
static bool video_null_has_windowed(void *a) { return true; }
static bool video_null_suppress_screensaver(void *a, bool b) { return false; }
static bool video_null_set_shader(void *a, enum rarch_shader_type b, const char
*c) { 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
NULL, /* get_poke_interface */
};
const video_driver_t *video_drivers[] = {
#ifdef HAVE_GCM
&video_gcm,
#endif
#ifdef HAVE_VITA2D
&video_vita2d,
#endif
#ifdef HAVE_VULKAN
&video_vulkan,
#endif
#if defined(HAVE_OPENGL_CORE)
&video_gl3,
#endif
#ifdef HAVE_OPENGL
&video_gl2,
#endif
#ifdef HAVE_OPENGL1
&video_gl1,
#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)
#if defined(HAVE_HLSL)
&video_d3d9_hlsl,
#endif
#if defined(HAVE_CG)
&video_d3d9_cg,
#endif
#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
#if defined(HAVE_SDL2) && !(defined(HAVE_COCOA) || defined(HAVE_COCOA_METAL))
&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;
}
#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_D3D10:
#if defined(HAVE_D3D10)
return &video_d3d10;
#else
break;
#endif
case RETRO_HW_CONTEXT_D3D11:
#if defined(HAVE_D3D11)
return &video_d3d11;
#else
break;
#endif
case RETRO_HW_CONTEXT_D3D12:
#if defined(HAVE_D3D12)
return &video_d3d12;
#else
break;
#endif
case RETRO_HW_CONTEXT_D3D9:
#if defined(HAVE_D3D9) && defined(HAVE_HLSL)
return &video_d3d9_hlsl;
#else
break;
#endif
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
#if defined(HAVE_D3D9) && defined(HAVE_HLSL)
if (type == RETRO_HW_CONTEXT_D3D9)
return "d3d9_hlsl";
#endif
#ifdef HAVE_D3D10
if (type == RETRO_HW_CONTEXT_D3D10)
return "d3d10";
#endif
#ifdef HAVE_D3D11
if (type == RETRO_HW_CONTEXT_D3D11)
return "d3d11";
#endif
#ifdef HAVE_D3D12
if (type == RETRO_HW_CONTEXT_D3D12)
return "d3d12";
#endif
return "N/A";
}
static 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
#if defined(HAVE_D3D9) && defined(HAVE_HLSL)
if (string_is_equal(s, "d3d9_hlsl"))
return RETRO_HW_CONTEXT_D3D9;
#endif
#ifdef HAVE_D3D10
if (string_is_equal(s, "d3d10"))
return RETRO_HW_CONTEXT_D3D10;
#endif
#ifdef HAVE_D3D11
if (string_is_equal(s, "d3d11"))
return RETRO_HW_CONTEXT_D3D11;
#endif
#ifdef HAVE_D3D12
if (string_is_equal(s, "d3d12"))
return RETRO_HW_CONTEXT_D3D12;
#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 < (int)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 < (int)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;
}
static 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_DBG(
"[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_DBG(
"[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[256];
char rate[8];
settings_t *settings = config_get_ptr();
/* Avoid message spamming if there is no change. */
if (settings->floats.video_refresh_rate == hz)
return;
snprintf(rate, sizeof(rate), "%.3f", hz);
snprintf(msg, sizeof(msg),
msg_hash_to_str(MSG_VIDEO_REFRESH_RATE_CHANGED), rate);
/* Message is visible for twice the usual duration */
/* as modeswitch will cause monitors to go blank for a while */
if (settings->bools.notification_show_refresh_rate)
runloop_msg_queue_push(msg, 1, 360, 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[128];
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;
}
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(