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RetroArch/gfx/video_driver.c
twinaphex 3dee62ce62 Cleanups and buildfix
2021-09-28 01:16:53 +02:00

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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 <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "../config.h"
#endif
#include "video_driver.h"
#include "../ui/ui_companion_driver.h"
#include "../list_special.h"
#include "../retroarch.h"
#include "../verbosity.h"
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 }
};
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_gl_core;
#else
break;
#endif
case RETRO_HW_CONTEXT_OPENGL:
#ifdef HAVE_OPENGL
return &video_gl2;
#else
break;
#endif
case RETRO_HW_CONTEXT_DIRECT3D:
#if defined(HAVE_D3D9)
if (major == 9)
return &video_d3d9;
#endif
#if defined(HAVE_D3D11)
if (major == 11)
return &video_d3d11;
#endif
break;
case RETRO_HW_CONTEXT_VULKAN:
#if defined(HAVE_VULKAN)
return &video_vulkan;
#else
break;
#endif
default:
case RETRO_HW_CONTEXT_NONE:
break;
}
return NULL;
}
const char *hw_render_context_name(
enum retro_hw_context_type type, int major, int minor)
{
#ifdef HAVE_OPENGL_CORE
if (type == RETRO_HW_CONTEXT_OPENGL_CORE)
return "glcore";
#endif
#ifdef HAVE_OPENGL
switch (type)
{
case RETRO_HW_CONTEXT_OPENGLES2:
case RETRO_HW_CONTEXT_OPENGLES3:
case RETRO_HW_CONTEXT_OPENGLES_VERSION:
case RETRO_HW_CONTEXT_OPENGL:
#ifndef HAVE_OPENGL_CORE
case RETRO_HW_CONTEXT_OPENGL_CORE:
#endif
return "gl";
default:
break;
}
#endif
#ifdef HAVE_VULKAN
if (type == RETRO_HW_CONTEXT_VULKAN)
return "vulkan";
#endif
#ifdef HAVE_D3D11
if (type == RETRO_HW_CONTEXT_DIRECT3D && major == 11)
return "d3d11";
#endif
#ifdef HAVE_D3D9
if (type == RETRO_HW_CONTEXT_DIRECT3D && major == 9)
return "d3d9";
#endif
return "N/A";
}
enum retro_hw_context_type hw_render_context_type(const char *s)
{
#ifdef HAVE_OPENGL_CORE
if (string_is_equal(s, "glcore"))
return RETRO_HW_CONTEXT_OPENGL_CORE;
#endif
#ifdef HAVE_OPENGL
if (string_is_equal(s, "gl"))
return RETRO_HW_CONTEXT_OPENGL;
#endif
#ifdef HAVE_VULKAN
if (string_is_equal(s, "vulkan"))
return RETRO_HW_CONTEXT_VULKAN;
#endif
#ifdef HAVE_D3D11
if (string_is_equal(s, "d3d11"))
return RETRO_HW_CONTEXT_DIRECT3D;
#endif
#ifdef HAVE_D3D11
if (string_is_equal(s, "d3d9"))
return RETRO_HW_CONTEXT_DIRECT3D;
#endif
return RETRO_HW_CONTEXT_NONE;
}
/* string list stays owned by the caller and must be available at
* all times after the video driver is inited */
void video_driver_set_gpu_api_devices(
enum gfx_ctx_api api, struct string_list *list)
{
int i;
for (i = 0; i < ARRAY_SIZE(gpu_map); i++)
{
if (api == gpu_map[i].api)
{
gpu_map[i].list = list;
break;
}
}
}
struct string_list* video_driver_get_gpu_api_devices(enum gfx_ctx_api api)
{
int i;
for (i = 0; i < ARRAY_SIZE(gpu_map); i++)
{
if (api == gpu_map[i].api)
return gpu_map[i].list;
}
return NULL;
}
/**
* video_driver_translate_coord_viewport:
* @mouse_x : Pointer X coordinate.
* @mouse_y : Pointer Y coordinate.
* @res_x : Scaled X coordinate.
* @res_y : Scaled Y coordinate.
* @res_screen_x : Scaled screen X coordinate.
* @res_screen_y : Scaled screen Y coordinate.
*
* Translates pointer [X,Y] coordinates into scaled screen
* coordinates based on viewport info.
*
* Returns: true (1) if successful, false if video driver doesn't support
* viewport info.
**/
bool video_driver_translate_coord_viewport(
struct video_viewport *vp,
int mouse_x, int mouse_y,
int16_t *res_x, int16_t *res_y,
int16_t *res_screen_x, int16_t *res_screen_y)
{
int norm_vp_width = (int)vp->width;
int norm_vp_height = (int)vp->height;
int norm_full_vp_width = (int)vp->full_width;
int norm_full_vp_height = (int)vp->full_height;
int scaled_screen_x = -0x8000; /* OOB */
int scaled_screen_y = -0x8000; /* OOB */
int scaled_x = -0x8000; /* OOB */
int scaled_y = -0x8000; /* OOB */
if (norm_vp_width <= 0 ||
norm_vp_height <= 0 ||
norm_full_vp_width <= 0 ||
norm_full_vp_height <= 0)
return false;
if (mouse_x >= 0 && mouse_x <= norm_full_vp_width)
scaled_screen_x = ((2 * mouse_x * 0x7fff)
/ norm_full_vp_width) - 0x7fff;
if (mouse_y >= 0 && mouse_y <= norm_full_vp_height)
scaled_screen_y = ((2 * mouse_y * 0x7fff)
/ norm_full_vp_height) - 0x7fff;
mouse_x -= vp->x;
mouse_y -= vp->y;
if (mouse_x >= 0 && mouse_x <= norm_vp_width)
scaled_x = ((2 * mouse_x * 0x7fff)
/ norm_vp_width) - 0x7fff;
else
scaled_x = -0x8000; /* OOB */
if (mouse_y >= 0 && mouse_y <= norm_vp_height)
scaled_y = ((2 * mouse_y * 0x7fff)
/ norm_vp_height) - 0x7fff;
*res_x = scaled_x;
*res_y = scaled_y;
*res_screen_x = scaled_screen_x;
*res_screen_y = scaled_screen_y;
return true;
}
void video_monitor_compute_fps_statistics(uint64_t
frame_time_count)
{
double avg_fps = 0.0;
double stddev = 0.0;
unsigned samples = 0;
if (frame_time_count <
(2 * MEASURE_FRAME_TIME_SAMPLES_COUNT))
{
RARCH_LOG(
"[Video]: Does not have enough samples for monitor refresh rate"
" estimation. Requires to run for at least %u frames.\n",
2 * MEASURE_FRAME_TIME_SAMPLES_COUNT);
return;
}
if (video_monitor_fps_statistics(&avg_fps, &stddev, &samples))
{
RARCH_LOG("[Video]: Average monitor Hz: %.6f Hz. (%.3f %% frame time"
" deviation, based on %u last samples).\n",
avg_fps, 100.0f * stddev, samples);
}
}
void video_monitor_set_refresh_rate(float hz)
{
char msg[128];
settings_t *settings = config_get_ptr();
snprintf(msg, sizeof(msg),
"Setting refresh rate to: %.3f Hz.", hz);
if (settings->bools.notification_show_refresh_rate)
runloop_msg_queue_push(msg, 1, 180, false, NULL,
MESSAGE_QUEUE_ICON_DEFAULT, MESSAGE_QUEUE_CATEGORY_INFO);
RARCH_LOG("[Video]: %s\n", msg);
configuration_set_float(settings,
settings->floats.video_refresh_rate,
hz);
}
void video_driver_force_fallback(const char *driver)
{
settings_t *settings = config_get_ptr();
ui_msg_window_t *msg_window = NULL;
configuration_set_string(settings,
settings->arrays.video_driver,
driver);
command_event(CMD_EVENT_MENU_SAVE_CURRENT_CONFIG, NULL);
#if defined(_WIN32) && !defined(_XBOX) && !defined(__WINRT__) && !defined(WINAPI_FAMILY)
/* UI companion driver is not inited yet, just call into it directly */
msg_window = &ui_msg_window_win32;
#endif
if (msg_window)
{
char text[PATH_MAX_LENGTH];
ui_msg_window_state window_state;
char *title = strdup(msg_hash_to_str(MSG_ERROR));
text[0] = '\0';
snprintf(text, sizeof(text),
msg_hash_to_str(MENU_ENUM_LABEL_VALUE_VIDEO_DRIVER_FALLBACK),
driver);
window_state.buttons = UI_MSG_WINDOW_OK;
window_state.text = strdup(text);
window_state.title = title;
window_state.window = NULL;
msg_window->error(&window_state);
free(title);
}
exit(1);
}
static bool 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;
}
/**
* 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;
}
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