RetroArch/gfx/drivers_context/gfx_null_ctx.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2016 - Daniel De Matteis
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*
* 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/>.
*/
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/* Null context. */
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#include "../video_context_driver.h"
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static void gfx_ctx_null_swap_interval(void *data, unsigned interval)
{
(void)data;
(void)interval;
}
static void gfx_ctx_null_check_window(void *data, bool *quit,
bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
{
(void)frame_count;
(void)data;
(void)quit;
(void)width;
(void)height;
(void)resize;
}
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static void gfx_ctx_null_swap_buffers(void *data, video_frame_info_t video_info)
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{
(void)data;
}
static bool gfx_ctx_null_set_resize(void *data, unsigned width, unsigned height)
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{
(void)data;
(void)width;
(void)height;
return false;
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}
static void gfx_ctx_null_update_window_title(void *data, video_frame_info_t video_info)
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{
(void)data;
(void)video_info;
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}
static void gfx_ctx_null_get_video_size(void *data, unsigned *width, unsigned *height)
{
(void)data;
*width = 320;
*height = 240;
}
static bool gfx_ctx_null_set_video_mode(void *data,
video_frame_info_t video_info,
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unsigned width, unsigned height,
bool fullscreen)
{
(void)data;
(void)width;
(void)height;
(void)fullscreen;
return true;
}
static void gfx_ctx_null_destroy(void *data)
{
(void)data;
}
static void gfx_ctx_null_input_driver(void *data,
const char *name,
const input_driver_t **input, void **input_data)
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{
(void)data;
(void)input;
(void)input_data;
}
static bool gfx_ctx_null_has_focus(void *data)
{
(void)data;
return true;
}
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static bool gfx_ctx_null_suppress_screensaver(void *data, bool enable)
{
(void)data;
(void)enable;
return false;
}
static bool gfx_ctx_null_has_windowed(void *data)
{
(void)data;
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return true;
}
static bool gfx_ctx_null_bind_api(void *data, enum gfx_ctx_api api, unsigned major, unsigned minor)
{
(void)data;
(void)api;
(void)major;
(void)minor;
return true;
}
static void gfx_ctx_null_show_mouse(void *data, bool state)
{
(void)data;
(void)state;
}
static void gfx_ctx_null_bind_hw_render(void *data, bool enable)
{
(void)data;
(void)enable;
}
static void *gfx_ctx_null_init(video_frame_info_t video_info, void *video_driver)
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{
(void)video_driver;
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return (void*)"null";
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}
static uint32_t gfx_ctx_null_get_flags(void *data)
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{
uint32_t flags = 0;
BIT32_SET(flags, GFX_CTX_FLAGS_NONE);
return flags;
}
static void gfx_ctx_null_set_flags(void *data, uint32_t flags)
{
(void)data;
}
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const gfx_ctx_driver_t gfx_ctx_null = {
gfx_ctx_null_init,
gfx_ctx_null_destroy,
gfx_ctx_null_bind_api,
gfx_ctx_null_swap_interval,
gfx_ctx_null_set_video_mode,
gfx_ctx_null_get_video_size,
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
NULL, /* get_metrics */
NULL,
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gfx_ctx_null_update_window_title,
gfx_ctx_null_check_window,
gfx_ctx_null_set_resize,
gfx_ctx_null_has_focus,
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gfx_ctx_null_suppress_screensaver,
gfx_ctx_null_has_windowed,
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gfx_ctx_null_swap_buffers,
gfx_ctx_null_input_driver,
NULL,
NULL,
NULL,
gfx_ctx_null_show_mouse,
"null",
gfx_ctx_null_get_flags,
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gfx_ctx_null_set_flags,
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gfx_ctx_null_bind_hw_render,
NULL,
NULL
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};