mirror of
https://github.com/libretro/RetroArch
synced 2024-07-08 20:25:47 +00:00
289 lines
6.8 KiB
C
289 lines
6.8 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2017 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <math.h>
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/* UWP/ANGLE EGL context. */
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/* necessary for mingw32 multimon defines: */
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0500 //_WIN32_WINNT_WIN2K
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#endif
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#include <tchar.h>
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#include <wchar.h>
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#include <string.h>
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#include <math.h>
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#include <dynamic/dylib.h>
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#include <string/stdstring.h>
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#ifdef HAVE_CONFIG_H
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#include "../../config.h"
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#endif
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#include "../../uwp/uwp_func.h"
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#include "gfx/common/win32_common.h"
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#include "../../configuration.h"
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#include "../../dynamic.h"
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#include "../../retroarch.h"
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#include "../../verbosity.h"
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#include "../../frontend/frontend_driver.h"
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#ifdef HAVE_EGL
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#include "../common/egl_common.h"
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#endif
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#ifdef HAVE_ANGLE
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#include "../common/angle_common.h"
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#endif
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/* TODO/FIXME - static globals */
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static egl_ctx_data_t uwp_egl;
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#ifdef HAVE_DYLIB
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static dylib_t dll_handle = NULL; /* Handle to libGLESv2.dll */
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#endif
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typedef struct gfx_ctx_cgl_data
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{
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int interval;
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} gfx_ctx_uwp_data_t;
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bool create_gles_context(void* corewindow)
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{
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EGLint n, major, minor;
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EGLint format;
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EGLint attribs[] = {
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_ALPHA_SIZE, 8,
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EGL_DEPTH_SIZE, 16,
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EGL_NONE
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};
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EGLint context_attributes[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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#ifdef HAVE_ANGLE
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if (!angle_init_context(&uwp_egl, EGL_DEFAULT_DISPLAY,
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&major, &minor, &n, attribs, NULL))
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#else
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if (!egl_init_context(&uwp_egl, EGL_NONE, EGL_DEFAULT_DISPLAY,
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&major, &minor, &n, attribs, NULL))
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#endif
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{
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egl_report_error();
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return false;
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}
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if (!egl_get_native_visual_id(&uwp_egl, &format))
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return false;
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if (!egl_create_context(&uwp_egl, context_attributes))
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{
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egl_report_error();
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return false;
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}
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if (!egl_create_surface(&uwp_egl, uwp_get_corewindow()))
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return false;
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return true;
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}
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static void gfx_ctx_uwp_swap_interval(void *data, int interval)
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{
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gfx_ctx_uwp_data_t *uwp = (gfx_ctx_uwp_data_t*)data;
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if (uwp->interval != interval)
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{
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uwp->interval = interval;
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egl_set_swap_interval(&uwp_egl, uwp->interval);
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}
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}
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static gfx_ctx_proc_t gfx_ctx_uwp_get_proc_address(const char* symbol)
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{
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#ifdef HAVE_DYLIB
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return (gfx_ctx_proc_t)GetProcAddress((HINSTANCE)dll_handle, symbol);
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#else
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return NULL;
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#endif
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}
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static void gfx_ctx_uwp_swap_buffers(void *data) { egl_swap_buffers(&uwp_egl); }
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static bool gfx_ctx_uwp_set_resize(void *data,
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unsigned width, unsigned height) { return false; }
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static void gfx_ctx_uwp_get_video_size(void *data,
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unsigned *width, unsigned *height)
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{
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bool quit = false;
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bool resize = false;
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win32_check_window(NULL, &quit, &resize, width, height);
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if (is_running_on_xbox())
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{
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/* Match the output res to the display resolution */
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width = uwp_get_width();
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height = uwp_get_height();
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}
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}
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static void *gfx_ctx_uwp_init(void *video_driver)
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{
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gfx_ctx_uwp_data_t *uwp = (gfx_ctx_uwp_data_t*)calloc(1, sizeof(*uwp));
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if (!uwp)
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return NULL;
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#ifdef HAVE_DYLIB
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dll_handle = dylib_load("libGLESv2.dll");
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#endif
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return uwp;
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}
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static void gfx_ctx_uwp_destroy(void *data)
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{
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gfx_ctx_uwp_data_t *wgl = (gfx_ctx_uwp_data_t*)data;
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if (!wgl)
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return;
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egl_destroy(&uwp_egl);
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#ifdef HAVE_DYLIB
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dylib_close(dll_handle);
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#endif
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}
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static bool gfx_ctx_uwp_set_video_mode(void *data,
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unsigned width, unsigned height,
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bool fullscreen)
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{
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gfx_ctx_uwp_data_t *uwp = (gfx_ctx_uwp_data_t*)data;
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if (!win32_set_video_mode(NULL, width, height, fullscreen))
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{
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RARCH_ERR("[UWP EGL]: win32_set_video_mode failed.\n");
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}
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if (!create_gles_context(uwp_get_corewindow()))
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{
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RARCH_ERR("[UWP EGL]: create_gles_context failed.\n");
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gfx_ctx_uwp_destroy(data);
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return false;
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}
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gfx_ctx_uwp_swap_interval(data, uwp->interval);
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return true;
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}
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static void gfx_ctx_uwp_input_driver(void *data,
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const char *joypad_name,
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input_driver_t **input, void **input_data)
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{
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settings_t *settings = config_get_ptr();
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/* Plain xinput is supported on UWP, but it
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* supports joypad only (uwp driver was added later) */
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if (string_is_equal(settings->arrays.input_driver, "xinput"))
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{
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void* xinput = input_driver_init_wrap(&input_xinput, joypad_name);
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*input = xinput ? (input_driver_t*)&input_xinput : NULL;
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*input_data = xinput;
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}
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else
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{
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void* uwp = input_driver_init_wrap(&input_uwp, joypad_name);
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*input = uwp ? (input_driver_t*)&input_uwp : NULL;
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*input_data = uwp;
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}
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}
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static enum gfx_ctx_api gfx_ctx_uwp_get_api(void *data)
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{
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return GFX_CTX_OPENGL_ES_API;
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}
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static bool gfx_ctx_uwp_bind_api(void *data,
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enum gfx_ctx_api api, unsigned major, unsigned minor)
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{
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return (api == GFX_CTX_OPENGL_ES_API);
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}
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static void gfx_ctx_uwp_bind_hw_render(void *data, bool enable)
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{
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egl_bind_hw_render(&uwp_egl, enable);
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}
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static uint32_t gfx_ctx_uwp_get_flags(void *data)
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{
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uint32_t flags = 0;
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#if defined(HAVE_SLANG) && defined(HAVE_SPIRV_CROSS)
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BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_SLANG);
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#endif
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#ifdef HAVE_GLSL
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BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_GLSL);
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#endif
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return flags;
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}
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const gfx_ctx_driver_t gfx_ctx_uwp = {
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gfx_ctx_uwp_init,
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gfx_ctx_uwp_destroy,
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gfx_ctx_uwp_get_api,
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gfx_ctx_uwp_bind_api,
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gfx_ctx_uwp_swap_interval,
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gfx_ctx_uwp_set_video_mode,
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gfx_ctx_uwp_get_video_size,
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NULL, /* get refresh rate */
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NULL, /* get video output size */
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NULL, /* get video output prev */
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NULL, /* get video output next */
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win32_get_metrics,
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NULL,
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NULL, /* update title */
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win32_check_window,
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gfx_ctx_uwp_set_resize,
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win32_has_focus,
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NULL, /* suppress screensaver */
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true, /* has_windowed */
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gfx_ctx_uwp_swap_buffers,
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gfx_ctx_uwp_input_driver,
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gfx_ctx_uwp_get_proc_address,
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NULL,
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NULL,
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win32_show_cursor,
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"egl_uwp",
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gfx_ctx_uwp_get_flags, /* get flags */
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NULL, /* set flags */
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gfx_ctx_uwp_bind_hw_render,
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NULL,
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NULL
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};
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