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RetroArch/gfx/video_driver.c
twinaphex b11620e1eb Add retro_timers.h/retro_math.h
2017-06-28 04:41:38 +02:00

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stddef.h>
#include <string.h>
#include <compat/strl.h>
#include <retro_common_api.h>
#include <file/config_file.h>
#include <features/features_cpu.h>
#include <file/file_path.h>
#include <string/stdstring.h>
#include <retro_math.h>
#include <retro_assert.h>
#include <gfx/scaler/pixconv.h>
#include <gfx/scaler/scaler.h>
#include <gfx/video_frame.h>
#include <formats/image.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#ifdef HAVE_THREADS
#include <rthreads/rthreads.h>
#endif
#ifdef HAVE_MENU
#include "../menu/menu_driver.h"
#include "../menu/menu_setting.h"
#endif
#ifdef HAVE_OPENGL
#include "common/gl_common.h"
#endif
#include "video_thread_wrapper.h"
#include "video_driver.h"
#include "../frontend/frontend_driver.h"
#include "../record/record_driver.h"
#include "../config.def.h"
#include "../configuration.h"
#include "../driver.h"
#include "../retroarch.h"
#include "../input/input_driver.h"
#include "../list_special.h"
#include "../core.h"
#include "../command.h"
#include "../msg_hash.h"
#include "../verbosity.h"
#define MEASURE_FRAME_TIME_SAMPLES_COUNT (2 * 1024)
#define TIME_TO_FPS(last_time, new_time, frames) ((1000000.0f * (frames)) / ((new_time) - (last_time)))
#define FPS_UPDATE_INTERVAL 256
#ifdef HAVE_THREADS
#define video_driver_is_threaded() ((!video_driver_is_hw_context() && video_driver_threaded) ? true : false)
#else
#define video_driver_is_threaded() (false)
#endif
#ifdef HAVE_THREADS
#define video_driver_lock() \
if (display_lock) \
slock_lock(display_lock)
#define video_driver_unlock() \
if (display_lock) \
slock_unlock(display_lock)
#define video_driver_context_lock() \
if (context_lock) \
slock_lock(context_lock)
#define video_driver_context_unlock() \
if (context_lock) \
slock_unlock(context_lock)
#define video_driver_lock_free() \
slock_free(display_lock); \
slock_free(context_lock); \
display_lock = NULL; \
context_lock = NULL
#define video_driver_threaded_lock(is_threaded) \
if (is_threaded) \
video_driver_lock()
#define video_driver_threaded_unlock(is_threaded) \
if (is_threaded) \
video_driver_unlock()
#else
#define video_driver_lock() ((void)0)
#define video_driver_unlock() ((void)0)
#define video_driver_lock_free() ((void)0)
#define video_driver_threaded_lock(is_threaded) ((void)0)
#define video_driver_threaded_unlock(is_threaded) ((void)0)
#define video_driver_context_lock() ((void)0)
#define video_driver_context_unlock() ((void)0)
#endif
typedef struct video_pixel_scaler
{
struct scaler_ctx *scaler;
void *scaler_out;
} video_pixel_scaler_t;
static void (*video_driver_cb_shader_use)(void *data, void *shader_data, unsigned index, bool set_active);
static bool (*video_driver_cb_shader_set_mvp)(void *data, void *shader_data, const math_matrix_4x4 *mat);
bool (*video_driver_cb_has_focus)(void);
/* Opaque handles to currently running window.
* Used by e.g. input drivers which bind to a window.
* Drivers are responsible for setting these if an input driver
* could potentially make use of this. */
static uintptr_t video_driver_display = 0;
static uintptr_t video_driver_window = 0;
static rarch_softfilter_t *video_driver_state_filter = NULL;
static void *video_driver_state_buffer = NULL;
static unsigned video_driver_state_scale = 0;
static unsigned video_driver_state_out_bpp = 0;
static bool video_driver_state_out_rgb32 = false;
static struct retro_system_av_info video_driver_av_info;
static enum retro_pixel_format video_driver_pix_fmt = RETRO_PIXEL_FORMAT_0RGB1555;
static const void *frame_cache_data = NULL;
static unsigned frame_cache_width = 0;
static unsigned frame_cache_height = 0;
static size_t frame_cache_pitch = 0;
static bool video_driver_threaded = false;
static float video_driver_aspect_ratio = 0.0f;
static unsigned video_driver_width = 0;
static unsigned video_driver_height = 0;
static enum rarch_display_type video_driver_display_type = RARCH_DISPLAY_NONE;
static char video_driver_title_buf[64] = {0};
static char video_driver_window_title[128] = {0};
static bool video_driver_window_title_update = true;
static retro_time_t video_driver_frame_time_samples[MEASURE_FRAME_TIME_SAMPLES_COUNT];
static uint64_t video_driver_frame_time_count = 0;
static uint64_t video_driver_frame_count = 0;
static void *video_driver_data = NULL;
static video_driver_t *current_video = NULL;
/* Interface for "poking". */
static const video_poke_interface_t *video_driver_poke = NULL;
/* Used for 15-bit -> 16-bit conversions that take place before
* being passed to video driver. */
static video_pixel_scaler_t *video_driver_scaler_ptr = NULL;
static struct retro_hw_render_callback hw_render;
static const struct
retro_hw_render_context_negotiation_interface *
hw_render_context_negotiation = NULL;
/* Graphics driver requires RGBA byte order data (ABGR on little-endian)
* for 32-bit.
* This takes effect for overlay and shader cores that wants to load
* data into graphics driver. Kinda hackish to place it here, it is only
* used for GLES.
* TODO: Refactor this better. */
static bool video_driver_use_rgba = false;
static bool video_driver_data_own = false;
static bool video_driver_active = false;
static video_driver_frame_t frame_bak = NULL;
/* If set during context deinit, the driver should keep
* graphics context alive to avoid having to reset all
* context state. */
static bool video_driver_cache_context = false;
/* Set to true by driver if context caching succeeded. */
static bool video_driver_cache_context_ack = false;
static uint8_t *video_driver_record_gpu_buffer = NULL;
#ifdef HAVE_THREADS
static slock_t *display_lock = NULL;
static slock_t *context_lock = NULL;
#endif
static gfx_ctx_driver_t current_video_context;
static void *video_context_data = NULL;
shader_backend_t *current_shader = NULL;
void *shader_data = NULL;
struct aspect_ratio_elem aspectratio_lut[ASPECT_RATIO_END] = {
{ "4:3", 1.3333f },
{ "16:9", 1.7778f },
{ "16:10", 1.6f },
{ "16:15", 16.0f / 15.0f },
{ "1:1", 1.0f },
{ "2:1", 2.0f },
{ "3:2", 1.5f },
{ "3:4", 0.75f },
{ "4:1", 4.0f },
{ "9:16", 0.5625f },
{ "5:4", 1.25f },
{ "6:5", 1.2f },
{ "7:9", 0.7777f },
{ "8:3", 2.6666f },
{ "8:7", 1.1428f },
{ "19:12", 1.5833f },
{ "19:14", 1.3571f },
{ "30:17", 1.7647f },
{ "32:9", 3.5555f },
{ "Config", 0.0f },
{ "Square pixel", 1.0f },
{ "Core provided", 1.0f },
{ "Custom", 0.0f }
};
static const video_driver_t *video_drivers[] = {
#ifdef HAVE_VULKAN
&video_vulkan,
#endif
#ifdef HAVE_OPENGL
&video_gl,
#endif
#ifdef XENON
&video_xenon360,
#endif
#if defined(HAVE_D3D)
&video_d3d,
#endif
#ifdef HAVE_VITA2D
&video_vita2d,
#endif
#ifdef PSP
&video_psp1,
#endif
#ifdef _3DS
&video_ctr,
#endif
#ifdef HAVE_SDL
&video_sdl,
#endif
#ifdef HAVE_SDL2
&video_sdl2,
#endif
#ifdef HAVE_XVIDEO
&video_xvideo,
#endif
#ifdef GEKKO
&video_gx,
#endif
#ifdef WIIU
&video_wiiu,
#endif
#ifdef HAVE_VG
&video_vg,
#endif
#ifdef HAVE_OMAP
&video_omap,
#endif
#ifdef HAVE_EXYNOS
&video_exynos,
#endif
#ifdef HAVE_DISPMANX
&video_dispmanx,
#endif
#ifdef HAVE_SUNXI
&video_sunxi,
#endif
#ifdef HAVE_PLAIN_DRM
&video_drm,
#endif
#ifdef HAVE_XSHM
&video_xshm,
#endif
#if defined(_WIN32) && !defined(_XBOX)
&video_gdi,
#endif
#ifdef HAVE_CACA
&video_caca,
#endif
#ifdef DJGPP
&video_vga,
#endif
&video_null,
NULL,
};
static const gfx_ctx_driver_t *gfx_ctx_drivers[] = {
#if defined(__CELLOS_LV2__)
&gfx_ctx_ps3,
#endif
#if defined(HAVE_D3D)
&gfx_ctx_d3d,
#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_VULKAN))
&gfx_ctx_wgl,
#endif
#if defined(HAVE_WAYLAND)
&gfx_ctx_wayland,
#endif
#if defined(HAVE_X11) && !defined(HAVE_OPENGLES)
#if defined(HAVE_OPENGL) || defined(HAVE_VULKAN)
&gfx_ctx_x,
#endif
#endif
#if defined(HAVE_X11) && defined(HAVE_OPENGL) && defined(HAVE_EGL)
&gfx_ctx_x_egl,
#endif
#if defined(HAVE_KMS)
&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)
&gfx_ctx_cocoagl,
#endif
#if defined(__APPLE__) && !defined(TARGET_IPHONE_SIMULATOR) && !defined(TARGET_OS_IPHONE)
&gfx_ctx_cgl,
#endif
#if (defined(HAVE_SDL) || defined(HAVE_SDL2)) && defined(HAVE_OPENGL)
&gfx_ctx_sdl_gl,
#endif
#ifdef HAVE_OSMESA
&gfx_ctx_osmesa,
#endif
#ifdef EMSCRIPTEN
&gfx_ctx_emscripten,
#endif
#if defined(HAVE_VULKAN) && defined(HAVE_VULKAN_DISPLAY)
&gfx_ctx_khr_display,
#endif
#if defined(_WIN32) && !defined(_XBOX)
&gfx_ctx_gdi,
#endif
&gfx_ctx_null,
NULL
};
static const shader_backend_t *shader_ctx_drivers[] = {
#ifdef HAVE_GLSL
&gl_glsl_backend,
#endif
#ifdef HAVE_CG
&gl_cg_backend,
#endif
#ifdef HAVE_HLSL
&hlsl_backend,
#endif
&shader_null_backend,
NULL
};
static const renderchain_driver_t *renderchain_drivers[] = {
#if defined(_WIN32) && defined(HAVE_D3D9) && defined(HAVE_CG)
&cg_d3d9_renderchain,
#endif
#ifdef _XBOX
&xdk_d3d_renderchain,
#endif
&null_renderchain,
NULL
};
/* Stub functions */
static void update_window_title_null(void *data, void *data2)
{
}
static void swap_buffers_null(void *data, void *data2)
{
}
static bool get_metrics_null(void *data, enum display_metric_types type,
float *value)
{
return false;
}
static bool set_resize_null(void *a, unsigned b, unsigned c)
{
return false;
}
void video_driver_set_resize(unsigned width, unsigned height)
{
if (current_video_context.set_resize)
current_video_context.set_resize(video_context_data, width, height);
}
/**
* video_driver_find_handle:
* @idx : index of driver to get handle to.
*
* Returns: handle to video driver at index. Can be NULL
* if nothing found.
**/
const void *video_driver_find_handle(int idx)
{
const void *drv = video_drivers[idx];
if (!drv)
return NULL;
return drv;
}
/**
* video_driver_find_ident:
* @idx : index of driver to get handle to.
*
* Returns: Human-readable identifier of video driver at index. Can be NULL
* if nothing found.
**/
const char *video_driver_find_ident(int idx)
{
const video_driver_t *drv = video_drivers[idx];
if (!drv)
return NULL;
return drv->ident;
}
/**
* config_get_video_driver_options:
*
* Get an enumerated list of all video driver names, separated by '|'.
*
* Returns: string listing of all video driver names, separated by '|'.
**/
const char* config_get_video_driver_options(void)
{
return char_list_new_special(STRING_LIST_VIDEO_DRIVERS, NULL);
}
static bool hw_render_context_is_vulkan(enum retro_hw_context_type type)
{
return type == RETRO_HW_CONTEXT_VULKAN;
}
static bool hw_render_context_is_gl(enum retro_hw_context_type type)
{
switch (type)
{
case RETRO_HW_CONTEXT_OPENGL:
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGL_CORE:
case RETRO_HW_CONTEXT_OPENGLES3:
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
return true;
default:
break;
}
return false;
}
bool *video_driver_get_threaded(void)
{
return &video_driver_threaded;
}
void video_driver_set_threaded(bool val)
{
video_driver_threaded = val;
}
/**
* video_driver_get_ptr:
*
* Use this if you need the real video driver
* and driver data pointers.
*
* Returns: video driver's userdata.
**/
void *video_driver_get_ptr(bool force_nonthreaded_data)
{
#ifdef HAVE_THREADS
if (video_driver_is_threaded() && !force_nonthreaded_data)
return video_thread_get_ptr(NULL);
#endif
return video_driver_data;
}
const char *video_driver_get_ident(void)
{
return (current_video) ? current_video->ident : NULL;
}
const video_poke_interface_t *video_driver_get_poke(void)
{
return video_driver_poke;
}
static bool video_context_has_focus(void)
{
return current_video_context.has_focus(video_context_data);
}
static bool video_driver_has_focus(void)
{
return current_video->focus(video_driver_data);
}
static bool null_driver_has_focus(void)
{
return true;
}
static void video_context_driver_reset(void)
{
if (!current_video_context.get_metrics)
current_video_context.get_metrics = get_metrics_null;
if (!current_video_context.update_window_title)
current_video_context.update_window_title = update_window_title_null;
if (!current_video_context.set_resize)
current_video_context.set_resize = set_resize_null;
if (!current_video_context.swap_buffers)
current_video_context.swap_buffers = swap_buffers_null;
if (current_video_context.has_focus)
video_driver_cb_has_focus = video_context_has_focus;
}
bool video_context_driver_set(const gfx_ctx_driver_t *data)
{
if (!data)
return false;
current_video_context = *data;
video_context_driver_reset();
return true;
}
void video_context_driver_destroy(void)
{
current_video_context.init = NULL;
current_video_context.bind_api = NULL;
current_video_context.swap_interval = NULL;
current_video_context.set_video_mode = NULL;
current_video_context.get_video_size = NULL;
current_video_context.get_video_output_size = NULL;
current_video_context.get_video_output_prev = NULL;
current_video_context.get_video_output_next = NULL;
current_video_context.get_metrics = get_metrics_null;
current_video_context.translate_aspect = NULL;
current_video_context.update_window_title = update_window_title_null;
current_video_context.check_window = NULL;
current_video_context.set_resize = set_resize_null;
current_video_context.has_focus = NULL;
current_video_context.suppress_screensaver = NULL;
current_video_context.has_windowed = NULL;
current_video_context.swap_buffers = swap_buffers_null;
current_video_context.input_driver = NULL;
current_video_context.get_proc_address = NULL;
current_video_context.image_buffer_init = NULL;
current_video_context.image_buffer_write = NULL;
current_video_context.show_mouse = NULL;
current_video_context.ident = NULL;
current_video_context.get_flags = NULL;
current_video_context.set_flags = NULL;
current_video_context.bind_hw_render = NULL;
current_video_context.get_context_data = NULL;
current_video_context.make_current = NULL;
}
/**
* video_driver_get_current_framebuffer:
*
* Gets pointer to current hardware renderer framebuffer object.
* Used by RETRO_ENVIRONMENT_SET_HW_RENDER.
*
* Returns: pointer to hardware framebuffer object, otherwise 0.
**/
uintptr_t video_driver_get_current_framebuffer(void)
{
if (video_driver_poke && video_driver_poke->get_current_framebuffer)
return video_driver_poke->get_current_framebuffer(video_driver_data);
return 0;
}
retro_proc_address_t video_driver_get_proc_address(const char *sym)
{
if (video_driver_poke && video_driver_poke->get_proc_address)
return video_driver_poke->get_proc_address(video_driver_data, sym);
return NULL;
}
bool video_driver_set_shader(enum rarch_shader_type type,
const char *path)
{
if (current_video->set_shader)
return current_video->set_shader(video_driver_data, type, path);
return false;
}
static void video_driver_filter_free(void)
{
if (video_driver_state_filter)
rarch_softfilter_free(video_driver_state_filter);
video_driver_state_filter = NULL;
if (video_driver_state_buffer)
{
#ifdef _3DS
linearFree(video_driver_state_buffer);
#else
free(video_driver_state_buffer);
#endif
}
video_driver_state_buffer = NULL;
video_driver_state_scale = 0;
video_driver_state_out_bpp = 0;
video_driver_state_out_rgb32 = false;
}
static void video_driver_init_filter(enum retro_pixel_format colfmt)
{
unsigned width, height, pow2_x, pow2_y, maxsize;
void *buf = NULL;
struct retro_game_geometry *geom = NULL;
settings_t *settings = config_get_ptr();
struct retro_system_av_info *av_info = &video_driver_av_info;
/* Deprecated format. Gets pre-converted. */
if (colfmt == RETRO_PIXEL_FORMAT_0RGB1555)
colfmt = RETRO_PIXEL_FORMAT_RGB565;
if (av_info)
geom = (struct retro_game_geometry*)&av_info->geometry;
if (!geom)
return;
width = geom->max_width;
height = geom->max_height;
video_driver_state_filter = rarch_softfilter_new(
settings->paths.path_softfilter_plugin,
RARCH_SOFTFILTER_THREADS_AUTO, colfmt, width, height);
if (!video_driver_state_filter)
{
RARCH_ERR("[Video]: Failed to load filter.\n");
return;
}
rarch_softfilter_get_max_output_size(video_driver_state_filter,
&width, &height);
pow2_x = next_pow2(width);
pow2_y = next_pow2(height);
maxsize = MAX(pow2_x, pow2_y);
video_driver_state_scale = maxsize / RARCH_SCALE_BASE;
video_driver_state_out_rgb32 = rarch_softfilter_get_output_format(
video_driver_state_filter) ==
RETRO_PIXEL_FORMAT_XRGB8888;
video_driver_state_out_bpp = video_driver_state_out_rgb32 ?
sizeof(uint32_t) :
sizeof(uint16_t);
/* TODO: Aligned output. */
#ifdef _3DS
buf = linearMemAlign(
width * height * video_driver_state_out_bpp, 0x80);
#else
buf = malloc(
width * height * video_driver_state_out_bpp);
#endif
if (!buf)
{
RARCH_ERR("[Video]: Softfilter initialization failed.\n");
video_driver_filter_free();
return;
}
video_driver_state_buffer = buf;
}
static void video_driver_init_input(const input_driver_t *tmp)
{
const input_driver_t **input = input_get_double_ptr();
if (*input)
return;
/* Video driver didn't provide an input driver,
* so we use configured one. */
RARCH_LOG("[Video]: Graphics driver did not initialize an input driver. Attempting to pick a suitable driver.\n");
if (tmp)
*input = tmp;
else
input_driver_find_driver();
/* This should never really happen as tmp (driver.input) is always
* found before this in find_driver_input(), or we have aborted
* in a similar fashion anyways. */
if (!input_get_ptr())
goto error;
if (input_driver_init())
return;
error:
RARCH_ERR("[Video]: Cannot initialize input driver. Exiting ...\n");
retroarch_fail(1, "video_driver_init_input()");
}
/**
* video_driver_monitor_compute_fps_statistics:
*
* Computes monitor FPS statistics.
**/
static void video_driver_monitor_compute_fps_statistics(void)
{
double avg_fps = 0.0;
double stddev = 0.0;
unsigned samples = 0;
if (video_driver_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, 100.0 * stddev, samples);
}
}
static void video_driver_pixel_converter_free(void)
{
if (!video_driver_scaler_ptr)
return;
scaler_ctx_gen_reset(video_driver_scaler_ptr->scaler);
if (video_driver_scaler_ptr->scaler)
free(video_driver_scaler_ptr->scaler);
video_driver_scaler_ptr->scaler = NULL;
if (video_driver_scaler_ptr->scaler_out)
free(video_driver_scaler_ptr->scaler_out);
video_driver_scaler_ptr->scaler_out = NULL;
if (video_driver_scaler_ptr)
free(video_driver_scaler_ptr);
video_driver_scaler_ptr = NULL;
}
static void video_driver_free_internal(void)
{
#ifdef HAVE_THREADS
bool is_threaded = video_driver_is_threaded();
#endif
command_event(CMD_EVENT_OVERLAY_DEINIT, NULL);
if (!video_driver_is_video_cache_context())
video_driver_free_hw_context();
if (
!input_driver_owns_driver() &&
!input_driver_is_data_ptr_same(video_driver_data)
)
input_driver_deinit();
if (
!video_driver_data_own
&& video_driver_data
&& current_video && current_video->free
)
current_video->free(video_driver_data);
video_driver_pixel_converter_free();
video_driver_filter_free();
command_event(CMD_EVENT_SHADER_DIR_DEINIT, NULL);
#ifdef HAVE_THREADS
if (is_threaded)
return;
#endif
video_driver_monitor_compute_fps_statistics();
}
static bool video_driver_pixel_converter_init(unsigned size)
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
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 true;
/* No need to perform pixel conversion for HW rendering contexts. */
if (hwr && hwr->context_type != RETRO_HW_CONTEXT_NONE)
return true;
RARCH_WARN("0RGB1555 pixel format is deprecated, and will be slower. For 15/16-bit, RGB565 format is preferred.\n");
scalr = (video_pixel_scaler_t*)calloc(1, sizeof(*scalr));
if (!scalr)
goto error;
video_driver_scaler_ptr = scalr;
scalr_ctx = (struct scaler_ctx*)calloc(1, sizeof(*scalr_ctx));
if (!scalr_ctx)
goto error;
video_driver_scaler_ptr->scaler = scalr_ctx;
video_driver_scaler_ptr->scaler->scaler_type = SCALER_TYPE_POINT;
video_driver_scaler_ptr->scaler->in_fmt = SCALER_FMT_0RGB1555;
/* TODO: Pick either ARGB8888 or RGB565 depending on driver. */
video_driver_scaler_ptr->scaler->out_fmt = SCALER_FMT_RGB565;
if (!scaler_ctx_gen_filter(scalr_ctx))
goto error;
scalr_out = calloc(sizeof(uint16_t), size * size);
if (!scalr_out)
goto error;
video_driver_scaler_ptr->scaler_out = scalr_out;
return true;
error:
video_driver_pixel_converter_free();
video_driver_filter_free();
return false;
}
static bool video_driver_init_internal(bool *video_is_threaded)
{
video_info_t video;
unsigned max_dim, scale, width, height;
video_viewport_t *custom_vp = NULL;
const input_driver_t *tmp = NULL;
const struct retro_game_geometry *geom = NULL;
rarch_system_info_t *system = NULL;
static uint16_t dummy_pixels[32] = {0};
settings_t *settings = config_get_ptr();
struct retro_system_av_info *av_info = &video_driver_av_info;
video_driver_filter_free();
if (!string_is_empty(settings->paths.path_softfilter_plugin))
{
if (video_driver_is_hw_context())
{
RARCH_WARN("Cannot use CPU filters when hardware rendering is used.\n");
}
else
video_driver_init_filter(video_driver_pix_fmt);
}
command_event(CMD_EVENT_SHADER_DIR_INIT, NULL);
if (av_info)
geom = (const struct retro_game_geometry*)&av_info->geometry;
if (!geom)
{
RARCH_ERR("[Video]: AV geometry not initialized, cannot initialize video driver.\n");
goto error;
}
max_dim = MAX(geom->max_width, geom->max_height);
scale = next_pow2(max_dim) / RARCH_SCALE_BASE;
scale = MAX(scale, 1);
if (video_driver_state_filter)
scale = video_driver_state_scale;
/* Update core-dependent aspect ratio values. */
video_driver_set_viewport_square_pixel();
video_driver_set_viewport_core();
video_driver_set_viewport_config();
/* Update CUSTOM viewport. */
custom_vp = video_viewport_get_custom();
if (settings->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;
}
video_driver_set_aspect_ratio_value(
aspectratio_lut[settings->uints.video_aspect_ratio_idx].value);
if (settings->bools.video_fullscreen)
{
width = settings->uints.video_fullscreen_x;
height = settings->uints.video_fullscreen_y;
}
else
{
if(settings->uints.video_window_x || settings->uints.video_window_y)
{
width = settings->uints.video_window_x;
height = settings->uints.video_window_y;
}
else
{
if (settings->bools.video_force_aspect)
{
/* Do rounding here to simplify integer scale correctness. */
unsigned base_width =
roundf(geom->base_height * video_driver_get_aspect_ratio());
width = roundf(base_width * settings->floats.video_scale);
}
else
width = roundf(geom->base_width * settings->floats.video_scale);
height = roundf(geom->base_height * settings->floats.video_scale);
}
}
if (width && height)
RARCH_LOG("[Video]: Video @ %ux%u\n", width, height);
else
RARCH_LOG("[Video]: Video @ fullscreen\n");
video_driver_display_type_set(RARCH_DISPLAY_NONE);
video_driver_display_set(0);
video_driver_window_set(0);
if (!video_driver_pixel_converter_init(RARCH_SCALE_BASE * scale))
{
RARCH_ERR("[Video]: Failed to initialize pixel converter.\n");
goto error;
}
video.width = width;
video.height = height;
video.fullscreen = settings->bools.video_fullscreen;
video.vsync = settings->bools.video_vsync && !rarch_ctl(RARCH_CTL_IS_NONBLOCK_FORCED, NULL);
video.force_aspect = settings->bools.video_force_aspect;
video.font_enable = settings->bools.video_font_enable;
video.swap_interval = settings->uints.video_swap_interval;
#ifdef GEKKO
video.viwidth = settings->uints.video_viwidth;
video.vfilter = settings->bools.video_vfilter;
#endif
video.smooth = settings->bools.video_smooth;
video.input_scale = scale;
video.rgb32 = video_driver_state_filter ?
video_driver_state_out_rgb32 :
(video_driver_pix_fmt == RETRO_PIXEL_FORMAT_XRGB8888);
/* Reset video frame count */
video_driver_frame_count = 0;
tmp = input_get_ptr();
/* Need to grab the "real" video driver interface on a reinit. */
video_driver_find_driver();
#ifdef HAVE_THREADS
video.is_threaded = video_driver_is_threaded();
*video_is_threaded = video.is_threaded;
if (video.is_threaded)
{
/* Can't do hardware rendering with threaded driver currently. */
RARCH_LOG("[Video]: Starting threaded video driver ...\n");
if (!video_init_thread((const video_driver_t**)&current_video,
&video_driver_data,
input_get_double_ptr(), input_driver_get_data_ptr(),
current_video, video))
{
RARCH_ERR("[Video]: Cannot open threaded video driver ... Exiting ...\n");
goto error;
}
}
else
#endif
video_driver_data = current_video->init(&video, input_get_double_ptr(),
input_driver_get_data_ptr());
if (!video_driver_data)
{
RARCH_ERR("[Video]: Cannot open video driver ... Exiting ...\n");
goto error;
}
if (current_video->focus)
video_driver_cb_has_focus = video_driver_has_focus;
video_driver_poke = NULL;
if (current_video->poke_interface)
current_video->poke_interface(video_driver_data, &video_driver_poke);
if (current_video->viewport_info &&
(!custom_vp->width ||
!custom_vp->height))
{
/* Force custom viewport to have sane parameters. */
custom_vp->width = width;
custom_vp->height = height;
video_driver_get_viewport_info(custom_vp);
}
system = runloop_get_system_info();
video_driver_set_rotation(
(settings->uints.video_rotation + system->rotation) % 4);
current_video->suppress_screensaver(video_driver_data,
settings->bools.ui_suspend_screensaver_enable);
video_driver_init_input(tmp);
command_event(CMD_EVENT_OVERLAY_DEINIT, NULL);
command_event(CMD_EVENT_OVERLAY_INIT, NULL);
if (!core_is_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();
return true;
error:
retroarch_fail(1, "init_video()");
return false;
}
bool video_driver_set_viewport(unsigned width, unsigned height,
bool force_fullscreen, bool allow_rotate)
{
if (!current_video || !current_video->set_viewport)
return false;
current_video->set_viewport(video_driver_data, width, height,
force_fullscreen, allow_rotate);
return true;
}
bool video_driver_set_rotation(unsigned rotation)
{
if (!current_video || !current_video->set_rotation)
return false;
current_video->set_rotation(video_driver_data, rotation);
return true;
}
bool video_driver_set_video_mode(unsigned width,
unsigned height, bool fullscreen)
{
gfx_ctx_mode_t mode;
if (video_driver_poke && video_driver_poke->set_video_mode)
{
video_driver_poke->set_video_mode(video_driver_data,
width, height, fullscreen);
return true;
}
mode.width = width;
mode.height = height;
mode.fullscreen = fullscreen;
return video_context_driver_set_video_mode(&mode);
}
bool video_driver_get_video_output_size(unsigned *width, unsigned *height)
{
if (!video_driver_poke || !video_driver_poke->get_video_output_size)
return false;
video_driver_poke->get_video_output_size(video_driver_data,
width, height);
return true;
}
void video_driver_set_osd_msg(const char *msg, const void *data, void *font)
{
video_frame_info_t video_info;
video_driver_build_info(&video_info);
if (video_driver_poke && video_driver_poke->set_osd_msg)
video_driver_poke->set_osd_msg(video_driver_data, &video_info, msg, data, font);
}
void video_driver_set_texture_enable(bool enable, bool fullscreen)
{
if (video_driver_poke && video_driver_poke->set_texture_enable)
video_driver_poke->set_texture_enable(video_driver_data,
enable, fullscreen);
}
void video_driver_set_texture_frame(const void *frame, bool rgb32,
unsigned width, unsigned height, float alpha)
{
#ifdef HAVE_MENU
if (video_driver_poke && video_driver_poke->set_texture_frame)
video_driver_poke->set_texture_frame(video_driver_data,
frame, rgb32, width, height, alpha);
#endif
}
#ifdef HAVE_OVERLAY
bool video_driver_overlay_interface(const video_overlay_interface_t **iface)
{
if (!current_video || !current_video->overlay_interface)
return false;
current_video->overlay_interface(video_driver_data, iface);
return true;
}
#endif
void *video_driver_read_frame_raw(unsigned *width,
unsigned *height, size_t *pitch)
{
if (!current_video || !current_video->read_frame_raw)
return NULL;
return current_video->read_frame_raw(video_driver_data, width,
height, pitch);
}
void video_driver_set_filtering(unsigned index, bool smooth)
{
if (video_driver_poke && video_driver_poke->set_filtering)
video_driver_poke->set_filtering(video_driver_data, index, smooth);
}
void video_driver_cached_frame_set(const void *data, unsigned width,
unsigned height, size_t pitch)
{
if (data)
frame_cache_data = data;
frame_cache_width = width;
frame_cache_height = height;
frame_cache_pitch = pitch;
}
void video_driver_cached_frame_get(const void **data, unsigned *width,
unsigned *height, size_t *pitch)
{
if (data)
*data = frame_cache_data;
if (width)
*width = frame_cache_width;
if (height)
*height = frame_cache_height;
if (pitch)
*pitch = frame_cache_pitch;
}
void video_driver_get_size(unsigned *width, unsigned *height)
{
#ifdef HAVE_THREADS
bool is_threaded = video_driver_is_threaded();
video_driver_threaded_lock(is_threaded);
#endif
if (width)
*width = video_driver_width;
if (height)
*height = video_driver_height;
#ifdef HAVE_THREADS
video_driver_threaded_unlock(is_threaded);
#endif
}
void video_driver_set_size(unsigned *width, unsigned *height)
{
#ifdef HAVE_THREADS
bool is_threaded = video_driver_is_threaded();
video_driver_threaded_lock(is_threaded);
#endif
if (width)
video_driver_width = *width;
if (height)
video_driver_height = *height;
#ifdef HAVE_THREADS
video_driver_threaded_unlock(is_threaded);
#endif
}
/**
* video_monitor_set_refresh_rate:
* @hz : New refresh rate for monitor.
*
* Sets monitor refresh rate to new value.
**/
void video_monitor_set_refresh_rate(float hz)
{
char msg[128];
settings_t *settings = config_get_ptr();
snprintf(msg, sizeof(msg),
"Setting refresh rate to: %.3f Hz.", hz);
runloop_msg_queue_push(msg, 1, 180, false);
RARCH_LOG("%s\n", msg);
configuration_set_float(settings,
settings->floats.video_refresh_rate,
hz);
}
/**
* video_monitor_fps_statistics
* @refresh_rate : Monitor refresh rate.
* @deviation : Deviation from measured refresh rate.
* @sample_points : Amount of sampled points.
*
* Gets the monitor FPS statistics based on the current
* runtime.
*
* Returns: true (1) on success.
* false (0) if:
* a) threaded video mode is enabled
* b) less than 2 frame time samples.
* c) FPS monitor enable is off.
**/
bool video_monitor_fps_statistics(double *refresh_rate,
double *deviation, unsigned *sample_points)
{
unsigned i;
retro_time_t accum = 0, avg, accum_var = 0;
unsigned samples = MIN(MEASURE_FRAME_TIME_SAMPLES_COUNT,
(unsigned)video_driver_frame_time_count);
#ifdef HAVE_THREADS
if (video_driver_is_threaded())
return false;
#endif
if (samples < 2)
return false;
/* Measure statistics on frame time (microsecs), *not* FPS. */
for (i = 0; i < samples; i++)
accum += video_driver_frame_time_samples[i];
#if 0
for (i = 0; i < samples; i++)
RARCH_LOG("[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_driver_frame_time_samples[i] - avg;
accum_var += diff * diff;
}
*deviation = sqrt((double)accum_var / (samples - 1)) / avg;
*refresh_rate = 1000000.0 / avg;
*sample_points = samples;
return true;
}
float video_driver_get_aspect_ratio(void)
{
return video_driver_aspect_ratio;
}
void video_driver_set_aspect_ratio_value(float value)
{
video_driver_aspect_ratio = value;
}
static bool video_driver_frame_filter(
const void *data,
video_frame_info_t *video_info,
unsigned width, unsigned height,
size_t pitch,
unsigned *output_width, unsigned *output_height,
unsigned *output_pitch)
{
rarch_softfilter_get_output_size(video_driver_state_filter,
output_width, output_height, width, height);
*output_pitch = (*output_width) * video_driver_state_out_bpp;
rarch_softfilter_process(video_driver_state_filter,
video_driver_state_buffer, *output_pitch,
data, width, height, pitch);
if (video_info->post_filter_record && recording_data)
recording_dump_frame(video_driver_state_buffer,
*output_width, *output_height, *output_pitch,
video_info->runloop_is_idle);
return true;
}
rarch_softfilter_t *video_driver_frame_filter_get_ptr(void)
{
return video_driver_state_filter;
}
enum retro_pixel_format video_driver_get_pixel_format(void)
{
return video_driver_pix_fmt;
}
void video_driver_set_pixel_format(enum retro_pixel_format fmt)
{
video_driver_pix_fmt = fmt;
}
/**
* video_driver_cached_frame:
*
* Renders the current video frame.
**/
bool video_driver_cached_frame(void)
{
void *recording = recording_driver_get_data_ptr();
/* Cannot allow recording when pushing duped frames. */
recording_data = NULL;
retro_ctx.frame_cb(
(frame_cache_data != RETRO_HW_FRAME_BUFFER_VALID)
? frame_cache_data : NULL,
frame_cache_width,
frame_cache_height, frame_cache_pitch);
recording_data = recording;
return true;
}
void video_driver_monitor_adjust_system_rates(void)
{
float timing_skew;
struct retro_system_av_info *av_info = &video_driver_av_info;
settings_t *settings = config_get_ptr();
float video_refresh_rate = settings->floats.video_refresh_rate;
const struct retro_system_timing *info = (const struct retro_system_timing*)&av_info->timing;
rarch_ctl(RARCH_CTL_UNSET_NONBLOCK_FORCED, NULL);
if (!info || info->fps <= 0.0)
return;
timing_skew = fabs(1.0f - info->fps / video_refresh_rate);
/* We don't want to adjust pitch too much. If we have extreme cases,
* just don't readjust at all. */
if (timing_skew <= settings->floats.audio_max_timing_skew)
return;
RARCH_LOG("[Video]: Timings deviate too much. Will not adjust. (Display = %.2f Hz, Game = %.2f Hz)\n",
video_refresh_rate,
(float)info->fps);
if (info->fps <= video_refresh_rate)
return;
/* We won't be able to do VSync reliably when game FPS > monitor FPS. */
rarch_ctl(RARCH_CTL_SET_NONBLOCK_FORCED, NULL);
RARCH_LOG("[Video]: Game FPS > Monitor FPS. Cannot rely on VSync.\n");
}
void video_driver_menu_settings(void **list_data, void *list_info_data,
void *group_data, void *subgroup_data, const char *parent_group)
{
#ifdef HAVE_MENU
rarch_setting_t **list = (rarch_setting_t**)list_data;
rarch_setting_info_t *list_info = (rarch_setting_info_t*)list_info_data;
rarch_setting_group_info_t *group_info = (rarch_setting_group_info_t*)group_data;
rarch_setting_group_info_t *subgroup_info = (rarch_setting_group_info_t*)subgroup_data;
global_t *global = global_get_ptr();
(void)list;
(void)list_info;
(void)group_info;
(void)subgroup_info;
(void)global;
#if defined(GEKKO) || defined(__CELLOS_LV2__)
CONFIG_ACTION(
list, list_info,
MENU_ENUM_LABEL_SCREEN_RESOLUTION,
MENU_ENUM_LABEL_VALUE_SCREEN_RESOLUTION,
group_info,
subgroup_info,
parent_group);
#endif
#if defined(__CELLOS_LV2__)
CONFIG_BOOL(
list, list_info,
&global->console.screen.pal60_enable,
MENU_ENUM_LABEL_PAL60_ENABLE,
MENU_ENUM_LABEL_VALUE_PAL60_ENABLE,
false,
MENU_ENUM_LABEL_VALUE_OFF,
MENU_ENUM_LABEL_VALUE_ON,
group_info,
subgroup_info,
parent_group,
general_write_handler,
general_read_handler,
SD_FLAG_NONE);
#endif
#if defined(GEKKO) || defined(_XBOX360)
CONFIG_UINT(
list, list_info,
&global->console.screen.gamma_correction,
MENU_ENUM_LABEL_VIDEO_GAMMA,
MENU_ENUM_LABEL_VALUE_VIDEO_GAMMA,
0,
group_info,
subgroup_info,
parent_group,
general_write_handler,
general_read_handler);
menu_settings_list_current_add_cmd(
list,
list_info,
CMD_EVENT_VIDEO_APPLY_STATE_CHANGES);
menu_settings_list_current_add_range(
list,
list_info,
0,
MAX_GAMMA_SETTING,
1,
true,
true);
settings_data_list_current_add_flags(list, list_info,
SD_FLAG_CMD_APPLY_AUTO|SD_FLAG_ADVANCED);
#endif
#if defined(_XBOX1) || defined(HW_RVL)
CONFIG_BOOL(
list, list_info,
&global->console.softfilter_enable,
MENU_ENUM_LABEL_VIDEO_SOFT_FILTER,
MENU_ENUM_LABEL_VALUE_VIDEO_SOFT_FILTER,
false,
MENU_ENUM_LABEL_VALUE_OFF,
MENU_ENUM_LABEL_VALUE_ON,
group_info,
subgroup_info,
parent_group,
general_write_handler,
general_read_handler,
SD_FLAG_NONE);
menu_settings_list_current_add_cmd(
list,
list_info,
CMD_EVENT_VIDEO_APPLY_STATE_CHANGES);
#endif
#ifdef _XBOX1
CONFIG_UINT(
list, list_info,
&global->console.screen.flicker_filter_index,
MENU_ENUM_LABEL_VIDEO_FILTER_FLICKER,
MENU_ENUM_LABEL_VALUE_VIDEO_FILTER_FLICKER,
0,
group_info,
subgroup_info,
parent_group,
general_write_handler,
general_read_handler);
menu_settings_list_current_add_range(list, list_info, 0, 5, 1, true, true);
#endif
#endif
}
static void video_driver_lock_new(void)
{
video_driver_lock_free();
#ifdef HAVE_THREADS
if (!display_lock)
display_lock = slock_new();
retro_assert(display_lock);
if (!context_lock)
context_lock = slock_new();
retro_assert(context_lock);
#endif
}
void video_driver_destroy(void)
{
video_driver_cb_has_focus = null_driver_has_focus;
video_driver_use_rgba = false;
video_driver_data_own = false;
video_driver_active = false;
video_driver_cache_context = false;
video_driver_cache_context_ack = false;
video_driver_record_gpu_buffer = NULL;
current_video = NULL;
}
void video_driver_set_cached_frame_ptr(const void *data)
{
if (data)
frame_cache_data = data;
}
void video_driver_set_stub_frame(void)
{
frame_bak = current_video->frame;
current_video->frame = video_null.frame;
}
void video_driver_unset_stub_frame(void)
{
if (frame_bak != NULL)
current_video->frame = frame_bak;
frame_bak = NULL;
}
bool video_driver_supports_recording(void)
{
settings_t *settings = config_get_ptr();
return settings->bools.video_gpu_record && current_video->read_viewport;
}
bool video_driver_supports_viewport_read(void)
{
settings_t *settings = config_get_ptr();
return (settings->bools.video_gpu_screenshot ||
(video_driver_is_hw_context() && !current_video->read_frame_raw))
&& current_video->read_viewport && current_video->viewport_info;
}
bool video_driver_supports_read_frame_raw(void)
{
return current_video->read_frame_raw;
}
void video_driver_set_viewport_config(void)
{
settings_t *settings = config_get_ptr();
struct retro_system_av_info *av_info = &video_driver_av_info;
if (settings->floats.video_aspect_ratio < 0.0f)
{
struct retro_game_geometry *geom = &av_info->geometry;
if (!geom)
return;
if (geom->aspect_ratio > 0.0f && settings->bools.video_aspect_ratio_auto)
aspectratio_lut[ASPECT_RATIO_CONFIG].value = geom->aspect_ratio;
else
{
unsigned base_width = geom->base_width;
unsigned base_height = geom->base_height;
/* Get around division by zero errors */
if (base_width == 0)
base_width = 1;
if (base_height == 0)
base_height = 1;
aspectratio_lut[ASPECT_RATIO_CONFIG].value =
(float)base_width / base_height; /* 1:1 PAR. */
}
}
else
{
aspectratio_lut[ASPECT_RATIO_CONFIG].value =
settings->floats.video_aspect_ratio;
}
}
void video_driver_set_viewport_square_pixel(void)
{
unsigned len, highest, i, aspect_x, aspect_y;
unsigned width, height;
struct retro_system_av_info *av_info = &video_driver_av_info;
struct retro_game_geometry *geom = &av_info->geometry;
if (!geom)
return;
width = geom->base_width;
height = geom->base_height;
if (width == 0 || height == 0)
return;
len = MIN(width, height);
highest = 1;
for (i = 1; i < len; i++)
{
if ((width % i) == 0 && (height % i) == 0)
highest = i;
}
aspect_x = width / highest;
aspect_y = height / highest;
snprintf(aspectratio_lut[ASPECT_RATIO_SQUARE].name,
sizeof(aspectratio_lut[ASPECT_RATIO_SQUARE].name),
"1:1 PAR (%u:%u DAR)", aspect_x, aspect_y);
aspectratio_lut[ASPECT_RATIO_SQUARE].value = (float)aspect_x / aspect_y;
}
void video_driver_set_viewport_core(void)
{
struct retro_system_av_info *av_info = &video_driver_av_info;
struct retro_game_geometry *geom = &av_info->geometry;
if (!geom || geom->base_width <= 0.0f || geom->base_height <= 0.0f)
return;
/* Fallback to 1:1 pixel ratio if none provided */
if (geom->aspect_ratio > 0.0f)
{
aspectratio_lut[ASPECT_RATIO_CORE].value = geom->aspect_ratio;
}
else
{
aspectratio_lut[ASPECT_RATIO_CORE].value =
(float)geom->base_width / geom->base_height;
}
}
void video_driver_reset_custom_viewport(void)
{
struct video_viewport *custom_vp = video_viewport_get_custom();
custom_vp->width = 0;
custom_vp->height = 0;
custom_vp->x = 0;
custom_vp->y = 0;
}
void video_driver_set_rgba(void)
{
video_driver_lock();
video_driver_use_rgba = true;
video_driver_unlock();
}
void video_driver_unset_rgba(void)
{
video_driver_lock();
video_driver_use_rgba = false;
video_driver_unlock();
}
bool video_driver_supports_rgba(void)
{
bool tmp;
video_driver_lock();
tmp = video_driver_use_rgba;
video_driver_unlock();
return tmp;
}
bool video_driver_get_next_video_out(void)
{
if (!video_driver_poke)
return false;
if (!video_driver_poke->get_video_output_next)
return video_context_driver_get_video_output_next();
video_driver_poke->get_video_output_next(video_driver_data);
return true;
}
bool video_driver_get_prev_video_out(void)
{
if (!video_driver_poke)
return false;
if (!video_driver_poke->get_video_output_prev)
return video_context_driver_get_video_output_prev();
video_driver_poke->get_video_output_prev(video_driver_data);
return true;
}
bool video_driver_init(bool *video_is_threaded)
{
video_driver_lock_new();
return video_driver_init_internal(video_is_threaded);
}
void video_driver_destroy_data(void)
{
video_driver_data = NULL;
}
void video_driver_free(void)
{
video_driver_free_internal();
video_driver_lock_free();
video_driver_data = NULL;
}
void video_driver_monitor_reset(void)
{
video_driver_frame_time_count = 0;
}
void video_driver_set_aspect_ratio(void)
{
settings_t *settings = config_get_ptr();
if (!video_driver_poke || !video_driver_poke->set_aspect_ratio)
return;
video_driver_poke->set_aspect_ratio(
video_driver_data, settings->uints.video_aspect_ratio_idx);
}
void video_driver_show_mouse(void)
{
if (video_driver_poke && video_driver_poke->show_mouse)
video_driver_poke->show_mouse(video_driver_data, true);
}
void video_driver_hide_mouse(void)
{
if (video_driver_poke && video_driver_poke->show_mouse)
video_driver_poke->show_mouse(video_driver_data, false);
}
void video_driver_set_nonblock_state(bool toggle)
{
if (current_video->set_nonblock_state)
current_video->set_nonblock_state(video_driver_data, toggle);
}
bool video_driver_find_driver(void)
{
int i;
driver_ctx_info_t drv;
settings_t *settings = config_get_ptr();
if (video_driver_is_hw_context())
{
struct retro_hw_render_callback *hwr = video_driver_get_hw_context();
current_video = NULL;
if (hwr && hw_render_context_is_vulkan(hwr->context_type))
{
#if defined(HAVE_VULKAN)
RARCH_LOG("[Video]: Using HW render, Vulkan driver forced.\n");
current_video = &video_vulkan;
#endif
}
if (hwr && hw_render_context_is_gl(hwr->context_type))
{
#if defined(HAVE_OPENGL) && defined(HAVE_FBO)
RARCH_LOG("[Video]: Using HW render, OpenGL driver forced.\n");
current_video = &video_gl;
#endif
}
if (current_video)
return true;
}
if (frontend_driver_has_get_video_driver_func())
{
current_video = (video_driver_t*)frontend_driver_get_video_driver();
if (current_video)
return true;
RARCH_WARN("Frontend supports get_video_driver() but did not specify one.\n");
}
drv.label = "video_driver";
drv.s = settings->arrays.video_driver;
driver_ctl(RARCH_DRIVER_CTL_FIND_INDEX, &drv);
i = (int)drv.len;
if (i >= 0)
current_video = (video_driver_t*)video_driver_find_handle(i);
else
{
unsigned d;
RARCH_ERR("Couldn't find any video driver named \"%s\"\n",
settings->arrays.video_driver);
RARCH_LOG_OUTPUT("Available video drivers are:\n");
for (d = 0; video_driver_find_handle(d); d++)
RARCH_LOG_OUTPUT("\t%s\n", video_driver_find_ident(d));
RARCH_WARN("Going to default to first video driver...\n");
current_video = (video_driver_t*)video_driver_find_handle(0);
if (!current_video)
retroarch_fail(1, "find_video_driver()");
}
return true;
}
void video_driver_apply_state_changes(void)
{
if (!video_driver_poke)
return;
if (video_driver_poke->apply_state_changes)
video_driver_poke->apply_state_changes(video_driver_data);
}
bool video_driver_read_viewport(uint8_t *buffer, bool is_idle)
{
if ( current_video->read_viewport
&& current_video->read_viewport(video_driver_data, buffer, is_idle))
return true;
return false;
}
bool video_driver_frame_filter_alive(void)
{
return !!video_driver_state_filter;
}
bool video_driver_frame_filter_is_32bit(void)
{
return video_driver_state_out_rgb32;
}
void video_driver_default_settings(void)
{
global_t *global = global_get_ptr();
if (!global)
return;
global->console.screen.gamma_correction = DEFAULT_GAMMA;
global->console.flickerfilter_enable = false;
global->console.softfilter_enable = false;
global->console.screen.resolutions.current.id = 0;
}
void video_driver_load_settings(config_file_t *conf)
{
bool tmp_bool = false;
global_t *global = global_get_ptr();
if (!conf)
return;
CONFIG_GET_BOOL_BASE(conf, global,
console.screen.gamma_correction, "gamma_correction");
if (config_get_bool(conf, "flicker_filter_enable",
&tmp_bool))
global->console.flickerfilter_enable = tmp_bool;
if (config_get_bool(conf, "soft_filter_enable",
&tmp_bool))
global->console.softfilter_enable = tmp_bool;
CONFIG_GET_INT_BASE(conf, global,
console.screen.soft_filter_index,
"soft_filter_index");
CONFIG_GET_INT_BASE(conf, global,
console.screen.resolutions.current.id,
"current_resolution_id");
CONFIG_GET_INT_BASE(conf, global,
console.screen.flicker_filter_index,
"flicker_filter_index");
}
void video_driver_save_settings(config_file_t *conf)
{
global_t *global = global_get_ptr();
if (!conf)
return;
config_set_bool(conf, "gamma_correction",
global->console.screen.gamma_correction);
config_set_bool(conf, "flicker_filter_enable",
global->console.flickerfilter_enable);
config_set_bool(conf, "soft_filter_enable",
global->console.softfilter_enable);
config_set_int(conf, "soft_filter_index",
global->console.screen.soft_filter_index);
config_set_int(conf, "current_resolution_id",
global->console.screen.resolutions.current.id);
config_set_int(conf, "flicker_filter_index",
global->console.screen.flicker_filter_index);
}
void video_driver_reinit(void)
{
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
if (hwr->cache_context)
video_driver_cache_context = true;
else
video_driver_cache_context = false;
video_driver_cache_context_ack = false;
command_event(CMD_EVENT_RESET_CONTEXT, NULL);
video_driver_cache_context = false;
}
void video_driver_set_own_driver(void)
{
video_driver_data_own = true;
}
void video_driver_unset_own_driver(void)
{
video_driver_data_own = false;
}
bool video_driver_owns_driver(void)
{
return video_driver_data_own;
}
bool video_driver_is_hw_context(void)
{
bool is_hw_context = false;
video_driver_context_lock();
is_hw_context = (hw_render.context_type != RETRO_HW_CONTEXT_NONE);
video_driver_context_unlock();
return is_hw_context;
}
void video_driver_free_hw_context(void)
{
video_driver_context_lock();
if (hw_render.context_destroy)
hw_render.context_destroy();
memset(&hw_render, 0, sizeof(hw_render));
video_driver_context_unlock();
hw_render_context_negotiation = NULL;
}
struct retro_hw_render_callback *video_driver_get_hw_context(void)
{
return &hw_render;
}
const struct retro_hw_render_context_negotiation_interface *
video_driver_get_context_negotiation_interface(void)
{
return hw_render_context_negotiation;
}
void video_driver_set_context_negotiation_interface(
const struct retro_hw_render_context_negotiation_interface *iface)
{
hw_render_context_negotiation = iface;
}
bool video_driver_is_video_cache_context(void)
{
return video_driver_cache_context;
}
void video_driver_set_video_cache_context_ack(void)
{
video_driver_cache_context_ack = true;
}
void video_driver_unset_video_cache_context_ack(void)
{
video_driver_cache_context_ack = false;
}
bool video_driver_is_video_cache_context_ack(void)
{
return video_driver_cache_context_ack;
}
void video_driver_set_active(void)
{
video_driver_active = true;
}
bool video_driver_is_active(void)
{
return video_driver_active;
}
void video_driver_get_record_status(
bool *has_gpu_record,
uint8_t **gpu_buf)
{
*gpu_buf = video_driver_record_gpu_buffer;
*has_gpu_record = video_driver_record_gpu_buffer != NULL;
}
bool video_driver_gpu_record_init(unsigned size)
{
video_driver_record_gpu_buffer = (uint8_t*)malloc(size);
if (!video_driver_record_gpu_buffer)
return false;
return true;
}
void video_driver_gpu_record_deinit(void)
{
free(video_driver_record_gpu_buffer);
video_driver_record_gpu_buffer = NULL;
}
bool video_driver_get_current_software_framebuffer(struct retro_framebuffer *fb)
{
if (
video_driver_poke
&& video_driver_poke->get_current_software_framebuffer
&& video_driver_poke->get_current_software_framebuffer(
video_driver_data, fb))
return true;
return false;
}
bool video_driver_get_hw_render_interface(
const struct retro_hw_render_interface **iface)
{
if (
video_driver_poke
&& video_driver_poke->get_hw_render_interface
&& video_driver_poke->get_hw_render_interface(
video_driver_data, iface))
return true;
return false;
}
bool video_driver_get_viewport_info(struct video_viewport *viewport)
{
if (!current_video || !current_video->viewport_info)
return false;
current_video->viewport_info(video_driver_data, viewport);
return true;
}
void video_driver_set_title_buf(void)
{
struct retro_system_info info;
core_get_system_info(&info);
fill_pathname_noext(video_driver_title_buf,
msg_hash_to_str(MSG_PROGRAM),
" ",
sizeof(video_driver_title_buf));
strlcat(video_driver_title_buf,
info.library_name,
sizeof(video_driver_title_buf));
strlcat(video_driver_title_buf,
" ", sizeof(video_driver_title_buf));
strlcat(video_driver_title_buf,
info.library_version,
sizeof(video_driver_title_buf));
}
/**
* video_viewport_get_scaled_integer:
* @vp : Viewport handle
* @width : Width.
* @height : Height.
* @aspect_ratio : Aspect ratio (in float).
* @keep_aspect : Preserve aspect ratio?
*
* Gets viewport scaling dimensions based on
* scaled integer aspect ratio.
**/
void video_viewport_get_scaled_integer(struct video_viewport *vp,
unsigned width, unsigned height,
float aspect_ratio, bool keep_aspect)
{
int padding_x = 0;
int padding_y = 0;
settings_t *settings = config_get_ptr();
if (settings->uints.video_aspect_ratio_idx == ASPECT_RATIO_CUSTOM)
{
struct video_viewport *custom = video_viewport_get_custom();
if (custom)
{
padding_x = width - custom->width;
padding_y = height - custom->height;
width = custom->width;
height = custom->height;
}
}
else
{
unsigned base_width;
/* Use system reported sizes as these define the
* geometry for the "normal" case. */
struct retro_system_av_info *av_info = &video_driver_av_info;
unsigned base_height = av_info->geometry.base_height;
if (base_height == 0)
base_height = 1;
/* Account for non-square pixels.
* This is sort of contradictory with the goal of integer scale,
* but it is desirable in some cases.
*
* If square pixels are used, base_height will be equal to
* system->av_info.base_height. */
base_width = (unsigned)roundf(base_height * aspect_ratio);
/* Make sure that we don't get 0x scale ... */
if (width >= base_width && height >= base_height)
{
if (keep_aspect)
{
/* X/Y scale must be same. */
unsigned max_scale = MIN(width / base_width,
height / base_height);
padding_x = width - base_width * max_scale;
padding_y = height - base_height * max_scale;
}
else
{
/* X/Y can be independent, each scaled as much as possible. */
padding_x = width % base_width;
padding_y = height % base_height;
}
}
width -= padding_x;
height -= padding_y;
}
vp->width = width;
vp->height = height;
vp->x = padding_x / 2;
vp->y = padding_y / 2;
}
struct retro_system_av_info *video_viewport_get_system_av_info(void)
{
return &video_driver_av_info;
}
struct video_viewport *video_viewport_get_custom(void)
{
settings_t *settings = config_get_ptr();
return &settings->video_viewport_custom;
}
unsigned video_pixel_get_alignment(unsigned pitch)
{
if (pitch & 1)
return 1;
if (pitch & 2)
return 2;
if (pitch & 4)
return 4;
return 8;
}
/**
* video_driver_frame:
* @data : pointer to data of the video frame.
* @width : width of the video frame.
* @height : height of the video frame.
* @pitch : pitch of the video frame.
*
* Video frame render callback function.
**/
void video_driver_frame(const void *data, unsigned width,
unsigned height, size_t pitch)
{
static char video_driver_msg[256];
video_frame_info_t video_info;
static retro_time_t curr_time;
static retro_time_t fps_time;
static float last_fps;
unsigned output_width = 0;
unsigned output_height = 0;
unsigned output_pitch = 0;
const char *msg = NULL;
retro_time_t new_time =
cpu_features_get_time_usec();
if (!video_driver_active)
return;
if (video_driver_scaler_ptr && data &&
(video_driver_pix_fmt == RETRO_PIXEL_FORMAT_0RGB1555) &&
(data != RETRO_HW_FRAME_BUFFER_VALID))
{
if (video_pixel_frame_scale(
video_driver_scaler_ptr->scaler,
video_driver_scaler_ptr->scaler_out,
data, width, height, pitch))
{
data = video_driver_scaler_ptr->scaler_out;
pitch = video_driver_scaler_ptr->scaler->out_stride;
}
}
if (data)
frame_cache_data = data;
frame_cache_width = width;
frame_cache_height = height;
frame_cache_pitch = pitch;
video_driver_build_info(&video_info);
/* Get the amount of frames per seconds. */
if (video_driver_frame_count)
{
unsigned write_index =
video_driver_frame_time_count++ &
(MEASURE_FRAME_TIME_SAMPLES_COUNT - 1);
video_driver_frame_time_samples[write_index] = new_time - fps_time;
fps_time = new_time;
if ((video_driver_frame_count % FPS_UPDATE_INTERVAL) == 0)
{
char frames_text[64];
fill_pathname_noext(video_driver_window_title,
video_driver_title_buf,
" || ",
sizeof(video_driver_window_title));
if (video_info.fps_show)
{
last_fps = TIME_TO_FPS(curr_time, new_time, FPS_UPDATE_INTERVAL);
snprintf(video_info.fps_text,
sizeof(video_info.fps_text),
" FPS: %6.1f || ", last_fps);
strlcat(video_driver_window_title,
video_info.fps_text,
sizeof(video_driver_window_title));
}
curr_time = new_time;
strlcat(video_driver_window_title,
"Frames: ",
sizeof(video_driver_window_title));
snprintf(frames_text,
sizeof(frames_text),
STRING_REP_UINT64,
(unsigned long long)video_driver_frame_count);
strlcat(video_driver_window_title,
frames_text,
sizeof(video_driver_window_title));
video_driver_window_title_update = true;
}
if (video_info.fps_show)
snprintf(
video_info.fps_text,
sizeof(video_info.fps_text),
"FPS: %6.1f || %s: " STRING_REP_UINT64,
last_fps,
msg_hash_to_str(MSG_FRAMES),
(unsigned long long)video_driver_frame_count);
}
else
{
curr_time = fps_time = new_time;
strlcpy(video_driver_window_title,
video_driver_title_buf,
sizeof(video_driver_window_title));
if (video_info.fps_show)
strlcpy(video_info.fps_text,
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_NOT_AVAILABLE),
sizeof(video_info.fps_text));
video_driver_window_title_update = true;
}
/* Slightly messy code,
* but we really need to do processing before blocking on VSync
* for best possible scheduling.
*/
if (
(
!video_driver_state_filter
|| !video_info.post_filter_record
|| !data
|| video_driver_record_gpu_buffer
) && recording_data
)
recording_dump_frame(data, width, height, pitch, video_info.runloop_is_idle);
if (data && video_driver_state_filter &&
video_driver_frame_filter(data, &video_info, width, height, pitch,
&output_width, &output_height, &output_pitch))
{
data = video_driver_state_buffer;
width = output_width;
height = output_height;
pitch = output_pitch;
}
video_driver_msg[0] = '\0';
if ( video_info.font_enable
&& runloop_msg_queue_pull((const char**)&msg)
&& msg)
strlcpy(video_driver_msg, msg, sizeof(video_driver_msg));
video_driver_active = current_video->frame(
video_driver_data, data, width, height,
video_driver_frame_count,
(unsigned)pitch, video_driver_msg, &video_info);
video_driver_frame_count++;
if (video_info.fps_show)
runloop_msg_queue_push(video_info.fps_text, 1, 1, false);
}
void video_driver_display_type_set(enum rarch_display_type type)
{
video_driver_display_type = type;
}
uintptr_t video_driver_display_get(void)
{
return video_driver_display;
}
void video_driver_display_set(uintptr_t idx)
{
video_driver_display = idx;
}
enum rarch_display_type video_driver_display_type_get(void)
{
return video_driver_display_type;
}
void video_driver_window_set(uintptr_t idx)
{
video_driver_window = idx;
}
uintptr_t video_driver_window_get(void)
{
return video_driver_window;
}
bool video_driver_texture_load(void *data,
enum texture_filter_type filter_type,
uintptr_t *id)
{
if (!id || !video_driver_poke || !video_driver_poke->load_texture)
return false;
*id = video_driver_poke->load_texture(video_driver_data, data,
video_driver_is_threaded(),
filter_type);
return true;
}
bool video_driver_texture_unload(uintptr_t *id)
{
if (!video_driver_poke || !video_driver_poke->unload_texture)
return false;
video_driver_poke->unload_texture(video_driver_data, *id);
*id = 0;
return true;
}
static void video_shader_driver_use_null(void *data,
void *shader_data, unsigned idx, bool set_active)
{
(void)data;
(void)idx;
(void)set_active;
}
void video_driver_build_info(video_frame_info_t *video_info)
{
bool is_perfcnt_enable = false;
bool is_paused = false;
bool is_idle = false;
bool is_slowmotion = false;
settings_t *settings = NULL;
video_viewport_t *custom_vp = NULL;
#ifdef HAVE_THREADS
bool is_threaded = video_driver_is_threaded();
video_driver_threaded_lock(is_threaded);
#endif
settings = config_get_ptr();
custom_vp = &settings->video_viewport_custom;
video_info->refresh_rate = settings->floats.video_refresh_rate;
video_info->black_frame_insertion =
settings->bools.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->scale_integer = settings->bools.video_scale_integer;
video_info->aspect_ratio_idx = settings->uints.video_aspect_ratio_idx;
video_info->post_filter_record = settings->bools.video_post_filter_record;
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_info->monitor_index = settings->uints.video_monitor_index;
video_info->shared_context = settings->bools.video_shared_context;
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;
video_info->fps_text[0] = '\0';
video_info->width = video_driver_width;
video_info->height = video_driver_height;
video_info->use_rgba = video_driver_use_rgba;
video_info->libretro_running = false;
#ifdef HAVE_MENU
video_info->menu_is_alive = menu_driver_is_alive();
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->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->libretro_running = core_is_game_loaded();
#else
video_info->menu_is_alive = 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_wallpaper_opacity = 0.0f;
#endif
runloop_get_status(&is_paused, &is_idle, &is_slowmotion, &is_perfcnt_enable);
video_info->is_perfcnt_enable = is_perfcnt_enable;
video_info->runloop_is_paused = is_paused;
video_info->runloop_is_idle = is_idle;
video_info->runloop_is_slowmotion = is_slowmotion;
video_info->input_driver_nonblock_state = input_driver_is_nonblock_state();
video_info->context_data = video_context_data;
video_info->shader_data = shader_data;
video_info->cb_update_window_title = current_video_context.update_window_title;
video_info->cb_swap_buffers = current_video_context.swap_buffers;
video_info->cb_get_metrics = current_video_context.get_metrics;
video_info->cb_set_resize = current_video_context.set_resize;
video_info->cb_shader_use = video_driver_cb_shader_use;
video_info->cb_shader_set_mvp = video_driver_cb_shader_set_mvp;
#ifdef HAVE_THREADS
video_driver_threaded_unlock(is_threaded);
#endif
}
/**
* 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(
void *data,
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 scaled_screen_x, scaled_screen_y, scaled_x, scaled_y;
struct video_viewport *vp = (struct video_viewport*)data;
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;
if (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;
else
scaled_screen_x = -0x8000; /* OOB */
if (mouse_y >= 0 && mouse_y <= norm_full_vp_height)
scaled_screen_y = ((2 * mouse_y * 0x7fff) / norm_full_vp_height) - 0x7fff;
else
scaled_screen_y = -0x8000; /* OOB */
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;
else
scaled_y = -0x8000; /* OOB */
*res_x = scaled_x;
*res_y = scaled_y;
*res_screen_x = scaled_screen_x;
*res_screen_y = scaled_screen_y;
return true;
}
void video_driver_get_window_title(char *buf, unsigned len)
{
if (buf && video_driver_window_title_update)
{
strlcpy(buf, video_driver_window_title, len);
video_driver_window_title_update = false;
}
}
void video_driver_get_status(uint64_t *frame_count, bool * is_alive,
bool *is_focused)
{
*frame_count = video_driver_frame_count;
*is_alive = current_video ? current_video->alive(video_driver_data) : true;
*is_focused = video_driver_cb_has_focus();
}
/**
* find_video_context_driver_driver_index:
* @ident : Identifier of resampler driver to find.
*
* Finds graphics context driver index by @ident name.
*
* Returns: graphics context driver index if driver was found, otherwise
* -1.
**/
static int find_video_context_driver_index(const char *ident)
{
unsigned i;
for (i = 0; gfx_ctx_drivers[i]; i++)
if (string_is_equal_noncase(ident, gfx_ctx_drivers[i]->ident))
return i;
return -1;
}
/**
* find_prev_context_driver:
*
* Finds previous driver in graphics context driver array.
**/
bool video_context_driver_find_prev_driver(void)
{
settings_t *settings = config_get_ptr();
int i = find_video_context_driver_index(
settings->arrays.video_context_driver);
if (i > 0)
{
strlcpy(settings->arrays.video_context_driver,
gfx_ctx_drivers[i - 1]->ident,
sizeof(settings->arrays.video_context_driver));
return true;
}
RARCH_WARN("Couldn't find any previous video context driver.\n");
return false;
}
/**
* find_next_context_driver:
*
* Finds next driver in graphics context driver array.
**/
bool video_context_driver_find_next_driver(void)
{
settings_t *settings = config_get_ptr();
int i = find_video_context_driver_index(settings->arrays.video_context_driver);
if (i >= 0 && gfx_ctx_drivers[i + 1])
{
strlcpy(settings->arrays.video_context_driver,
gfx_ctx_drivers[i + 1]->ident,
sizeof(settings->arrays.video_context_driver));
return true;
}
RARCH_WARN("Couldn't find any next video context driver.\n");
return false;
}
/**
* video_context_driver_init:
* @data : Input data.
* @ctx : Graphics context driver to initialize.
* @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?
*
* Initialize graphics context driver.
*
* Returns: graphics context driver if successfully initialized, otherwise NULL.
**/
static const gfx_ctx_driver_t *video_context_driver_init(
void *data,
const gfx_ctx_driver_t *ctx,
const char *ident,
enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx)
{
if (ctx->bind_api(data, api, major, minor))
{
video_frame_info_t video_info;
void *ctx_data = NULL;
video_driver_build_info(&video_info);
ctx_data = ctx->init(&video_info, data);
if (!ctx_data)
return NULL;
if (ctx->bind_hw_render)
ctx->bind_hw_render(ctx_data,
video_info.shared_context && hw_render_ctx);
video_context_driver_set_data(ctx_data);
return ctx;
}
#ifndef _WIN32
RARCH_WARN("Failed to bind API (#%u, version %u.%u) on context driver \"%s\".\n",
(unsigned)api, major, minor, ctx->ident);
#endif
return NULL;
}
/**
* video_context_driver_find_driver:
* @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 graphics context driver and initializes.
*
* Returns: graphics context driver if found, otherwise NULL.
**/
static const gfx_ctx_driver_t *video_context_driver_find_driver(void *data,
const char *ident,
enum gfx_ctx_api api, unsigned major,
unsigned minor, bool hw_render_ctx)
{
int i = find_video_context_driver_index(ident);
if (i >= 0)
return video_context_driver_init(data, gfx_ctx_drivers[i], ident,
api, major, minor, hw_render_ctx);
for (i = 0; gfx_ctx_drivers[i]; i++)
{
const gfx_ctx_driver_t *ctx =
video_context_driver_init(data, gfx_ctx_drivers[i], ident,
api, major, minor, hw_render_ctx);
if (ctx)
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)
{
return video_context_driver_find_driver(data, ident, api,
major, minor, hw_render_ctx);
}
bool video_context_driver_check_window(gfx_ctx_size_t *size_data)
{
if ( video_context_data
&& current_video_context.check_window)
{
bool is_shutdown = rarch_ctl(RARCH_CTL_IS_SHUTDOWN, NULL);
current_video_context.check_window(video_context_data,
size_data->quit,
size_data->resize,
size_data->width,
size_data->height,
is_shutdown);
return true;
}
return false;
}
bool video_context_driver_init_image_buffer(const video_info_t *data)
{
if (
current_video_context.image_buffer_init
&& current_video_context.image_buffer_init(video_context_data, data))
return true;
return false;
}
bool video_context_driver_write_to_image_buffer(gfx_ctx_image_t *img)
{
if (
current_video_context.image_buffer_write
&& current_video_context.image_buffer_write(video_context_data,
img->frame, img->width, img->height, img->pitch,
img->rgb32, img->index, img->handle))
return true;
return false;
}
bool video_context_driver_get_video_output_prev(void)
{
if (!current_video_context.get_video_output_prev)
return false;
current_video_context.get_video_output_prev(video_context_data);
return true;
}
bool video_context_driver_get_video_output_next(void)
{
if (!current_video_context.get_video_output_next)
return false;
current_video_context.get_video_output_next(video_context_data);
return true;
}
bool video_context_driver_bind_hw_render(bool *enable)
{
if (!current_video_context.bind_hw_render)
return false;
current_video_context.bind_hw_render(video_context_data, *enable);
return true;
}
void video_context_driver_make_current(bool release)
{
if (current_video_context.make_current)
current_video_context.make_current(release);
}
bool video_context_driver_translate_aspect(gfx_ctx_aspect_t *aspect)
{
if (!video_context_data || !aspect)
return false;
if (!current_video_context.translate_aspect)
return false;
*aspect->aspect = current_video_context.translate_aspect(
video_context_data, aspect->width, aspect->height);
return true;
}
void video_context_driver_free(void)
{
if (current_video_context.destroy)
current_video_context.destroy(video_context_data);
video_context_driver_destroy();
video_context_data = NULL;
}
bool video_context_driver_get_video_output_size(gfx_ctx_size_t *size_data)
{
if (!size_data)
return false;
if (!current_video_context.get_video_output_size)
return false;
current_video_context.get_video_output_size(video_context_data,
size_data->width, size_data->height);
return true;
}
bool video_context_driver_swap_interval(unsigned *interval)
{
if (!current_video_context.swap_interval)
return false;
current_video_context.swap_interval(video_context_data, *interval);
return true;
}
bool video_context_driver_get_proc_address(gfx_ctx_proc_address_t *proc)
{
if (!current_video_context.get_proc_address)
return false;
proc->addr = current_video_context.get_proc_address(proc->sym);
return true;
}
bool video_context_driver_get_metrics(gfx_ctx_metrics_t *metrics)
{
if (
current_video_context.get_metrics(video_context_data,
metrics->type,
metrics->value))
return true;
return false;
}
bool video_context_driver_input_driver(gfx_ctx_input_t *inp)
{
settings_t *settings = config_get_ptr();
const char *joypad_name = settings ? settings->arrays.input_joypad_driver : NULL;
if (!current_video_context.input_driver)
return false;
current_video_context.input_driver(
video_context_data, joypad_name,
inp->input, inp->input_data);
return true;
}
bool video_context_driver_suppress_screensaver(bool *bool_data)
{
if ( video_context_data
&& current_video_context.suppress_screensaver(
video_context_data, *bool_data))
return true;
return false;
}
bool video_context_driver_get_ident(gfx_ctx_ident_t *ident)
{
if (!ident)
return false;
ident->ident = current_video_context.ident;
return true;
}
bool video_context_driver_set_video_mode(gfx_ctx_mode_t *mode_info)
{
video_frame_info_t video_info;
if (!current_video_context.set_video_mode)
return false;
video_driver_build_info(&video_info);
if (!current_video_context.set_video_mode(
video_context_data, &video_info, mode_info->width,
mode_info->height, mode_info->fullscreen))
return false;
return true;
}
bool video_context_driver_get_video_size(gfx_ctx_mode_t *mode_info)
{
if (!current_video_context.get_video_size)
return false;
current_video_context.get_video_size(video_context_data,
&mode_info->width, &mode_info->height);
return true;
}
bool video_context_driver_get_context_data(void *data)
{
if (!current_video_context.get_context_data)
return false;
*(void**)data = current_video_context.get_context_data(video_context_data);
return true;
}
bool video_context_driver_show_mouse(bool *bool_data)
{
if (!current_video_context.show_mouse)
return false;
current_video_context.show_mouse(video_context_data, *bool_data);
return true;
}
void video_context_driver_set_data(void *data)
{
video_context_data = data;
}
bool video_context_driver_get_flags(gfx_ctx_flags_t *flags)
{
if (!flags)
return false;
if (!current_video_context.get_flags)
return false;
flags->flags = current_video_context.get_flags(video_context_data);
return true;
}
bool video_context_driver_set_flags(gfx_ctx_flags_t *flags)
{
if (!flags)
return false;
if (!current_video_context.set_flags)
return false;
current_video_context.set_flags(video_context_data, flags->flags);
return true;
}
bool video_driver_has_windowed(void)
{
#if defined(RARCH_CONSOLE) || defined(RARCH_MOBILE)
return false;
#else
if (video_driver_data && current_video->has_windowed)
return current_video->has_windowed(video_driver_data);
else if (video_context_data && current_video_context.has_windowed)
return current_video_context.has_windowed(video_context_data);
return false;
#endif
}
bool video_driver_cached_frame_has_valid_framebuffer(void)
{
if (frame_cache_data)
return (frame_cache_data == RETRO_HW_FRAME_BUFFER_VALID);
return false;
}
static const shader_backend_t *video_shader_set_backend(enum rarch_shader_type type)
{
switch (type)
{
case RARCH_SHADER_CG:
{
#ifdef HAVE_CG
gfx_ctx_flags_t flags;
flags.flags = 0;
video_context_driver_get_flags(&flags);
if (BIT32_GET(flags.flags, GFX_CTX_FLAGS_GL_CORE_CONTEXT))
{
RARCH_ERR("[Shader driver]: Cg cannot be used with core GL context. Trying to fall back to GLSL...\n");
return video_shader_set_backend(RARCH_SHADER_GLSL);
}
RARCH_LOG("[Shader driver]: Using Cg shader backend.\n");
return &gl_cg_backend;
#else
break;
#endif
}
case RARCH_SHADER_GLSL:
#ifdef HAVE_GLSL
RARCH_LOG("[Shader driver]: Using GLSL shader backend.\n");
return &gl_glsl_backend;
#else
break;
#endif
case RARCH_SHADER_NONE:
default:
break;
}
return NULL;
}
bool video_shader_driver_get_prev_textures(video_shader_ctx_texture_t *texture)
{
if (!texture)
return false;
texture->id = current_shader->get_prev_textures(shader_data);
return true;
}
bool video_shader_driver_get_ident(video_shader_ctx_ident_t *ident)
{
if (!ident)
return false;
ident->ident = current_shader->ident;
return true;
}
bool video_shader_driver_get_current_shader(video_shader_ctx_t *shader)
{
void *video_driver = video_driver_get_ptr(true);
const video_poke_interface_t *video_poke = video_driver_get_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;
}
bool video_shader_driver_direct_get_current_shader(video_shader_ctx_t *shader)
{
shader->data = current_shader->get_current_shader(shader_data);
return true;
}
bool video_shader_driver_deinit(void)
{
if (!current_shader)
return false;
if (current_shader->deinit)
current_shader->deinit(shader_data);
shader_data = NULL;
current_shader = NULL;
return true;
}
static enum gfx_wrap_type video_shader_driver_wrap_type_null(
void *data, unsigned index)
{
return RARCH_WRAP_BORDER;
}
static bool video_shader_driver_set_mvp_null(void *data,
void *shader_data, const math_matrix_4x4 *mat)
{
return false;
}
#ifdef HAVE_OPENGL
#ifndef NO_GL_FF_MATRIX
static bool video_shader_driver_set_mvp_null_gl(void *data,
void *shader_data, const math_matrix_4x4 *mat)
{
gl_ff_matrix(mat);
return false;
}
#endif
#endif
static bool video_shader_driver_set_coords_null(void *handle_data,
void *shader_data, const struct video_coords *coords)
{
return false;
}
#ifdef HAVE_OPENGL
#ifndef NO_GL_FF_VERTEX
static bool video_shader_driver_set_coords_null_gl(void *handle_data,
void *shader_data, const struct video_coords *coords)
{
gl_ff_vertex(coords);
return false;
}
#endif
#endif
static struct video_shader *video_shader_driver_get_current_shader_null(void *data)
{
return NULL;
}
static void video_shader_driver_set_params_null(void *data, void *shader_data,
unsigned width, unsigned height,
unsigned tex_width, unsigned tex_height,
unsigned out_width, unsigned out_height,
unsigned frame_count,
const void *info,
const void *prev_info,
const void *feedback_info,
const void *fbo_info, unsigned fbo_info_cnt)
{
}
static void video_shader_driver_scale_null(void *data,
unsigned idx, struct gfx_fbo_scale *scale)
{
(void)idx;
(void)scale;
}
static bool video_shader_driver_mipmap_input_null(void *data, unsigned idx)
{
(void)idx;
return false;
}
static bool video_shader_driver_filter_type_null(void *data, unsigned idx, bool *smooth)
{
(void)idx;
(void)smooth;
return false;
}
static unsigned video_shader_driver_num_null(void *data)
{
return 0;
}
static bool video_shader_driver_get_feedback_pass_null(void *data, unsigned *idx)
{
(void)idx;
return false;
}
static void video_shader_driver_reset_to_defaults(void)
{
if (!current_shader->wrap_type)
current_shader->wrap_type = video_shader_driver_wrap_type_null;
if (current_shader->set_mvp)
video_driver_cb_shader_set_mvp = current_shader->set_mvp;
else
{
#ifdef HAVE_OPENGL
#ifndef NO_GL_FF_MATRIX
if (string_is_equal_fast(video_driver_get_ident(), "gl", 2))
{
current_shader->set_mvp = video_shader_driver_set_mvp_null_gl;
video_driver_cb_shader_set_mvp = video_shader_driver_set_mvp_null_gl;
}
else
#endif
#endif
{
current_shader->set_mvp = video_shader_driver_set_mvp_null;
video_driver_cb_shader_set_mvp = video_shader_driver_set_mvp_null;
}
}
if (!current_shader->set_coords)
{
#ifdef HAVE_OPENGL
#ifndef NO_GL_FF_VERTEX
if (string_is_equal_fast(video_driver_get_ident(), "gl", 2))
current_shader->set_coords = video_shader_driver_set_coords_null_gl;
else
#endif
#endif
current_shader->set_coords = video_shader_driver_set_coords_null;
}
if (current_shader->use)
video_driver_cb_shader_use = current_shader->use;
else
{
current_shader->use = video_shader_driver_use_null;
video_driver_cb_shader_use = video_shader_driver_use_null;
}
if (!current_shader->set_params)
current_shader->set_params = video_shader_driver_set_params_null;
if (!current_shader->shader_scale)
current_shader->shader_scale = video_shader_driver_scale_null;
if (!current_shader->mipmap_input)
current_shader->mipmap_input = video_shader_driver_mipmap_input_null;
if (!current_shader->filter_type)
current_shader->filter_type = video_shader_driver_filter_type_null;
if (!current_shader->num_shaders)
current_shader->num_shaders = video_shader_driver_num_null;
if (!current_shader->get_current_shader)
current_shader->get_current_shader= video_shader_driver_get_current_shader_null;
if (!current_shader->get_feedback_pass)
current_shader->get_feedback_pass = video_shader_driver_get_feedback_pass_null;
}
/* Finds first suitable shader context driver. */
bool video_shader_driver_init_first(void)
{
current_shader = (shader_backend_t*)shader_ctx_drivers[0];
video_shader_driver_reset_to_defaults();
return true;
}
bool video_shader_driver_init(video_shader_ctx_init_t *init)
{
void *tmp = NULL;
if (!init->shader || !init->shader->init)
{
init->shader = video_shader_set_backend(init->shader_type);
if (!init->shader)
return false;
}
tmp = init->shader->init(init->data, init->path);
if (!tmp)
return false;
shader_data = tmp;
current_shader = (shader_backend_t*)init->shader;
video_shader_driver_reset_to_defaults();
return true;
}
bool video_shader_driver_get_feedback_pass(unsigned *data)
{
return current_shader->get_feedback_pass(shader_data, data);
}
bool video_shader_driver_mipmap_input(unsigned *index)
{
return current_shader->mipmap_input(shader_data, *index);
}
bool video_shader_driver_scale(video_shader_ctx_scale_t *scaler)
{
if (!scaler || !scaler->scale)
return false;
scaler->scale->valid = false;
current_shader->shader_scale(shader_data, scaler->idx, scaler->scale);
return true;
}
bool video_shader_driver_info(video_shader_ctx_info_t *shader_info)
{
if (!shader_info)
return false;
shader_info->num = current_shader->num_shaders(shader_data);
return true;
}
bool video_shader_driver_filter_type(video_shader_ctx_filter_t *filter)
{
return (filter) ? current_shader->filter_type(shader_data,
filter->index, filter->smooth) : false;
}
bool video_shader_driver_compile_program(struct shader_program_info *program_info)
{
return (program_info) ? current_shader->compile_program(program_info->data,
program_info->idx, NULL, program_info) : false;
}
bool video_shader_driver_wrap_type(video_shader_ctx_wrap_t *wrap)
{
wrap->type = current_shader->wrap_type(shader_data, wrap->idx);
return true;
}
bool renderchain_init_first(const renderchain_driver_t **renderchain_driver,
void **renderchain_handle)
{
unsigned i;
for (i = 0; renderchain_drivers[i]; i++)
{
void *data = renderchain_drivers[i]->chain_new();
if (!data)
continue;
*renderchain_driver = renderchain_drivers[i];
*renderchain_handle = data;
return true;
}
return false;
}
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