mirror of
https://github.com/libretro/RetroArch.git
synced 2024-11-24 00:20:01 +00:00
143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/* RetroArch - A frontend for libretro.
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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 <stdlib.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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#ifdef HAVE_OPENGL
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#include "gl_common.h"
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#endif
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#include "egl_common.h"
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#include "angle_common.h"
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#include "../../verbosity.h"
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#include "../../frontend/frontend_driver.h"
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/* Normal DirectX 11 backend */
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static const EGLint backendD3D11[] =
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{
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EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE,
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EGL_NONE,
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};
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/* DirectX 11 Feature Level 9_3 backend, for Windows Mobile (UWP) */
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static const EGLint backendD3D11_FL9_3[] =
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{
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EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE,
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EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE, 9,
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EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE, 3,
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EGL_NONE,
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};
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/* Normal DirectX 9 backend */
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static const EGLint backendD3D9[] =
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{
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EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE,
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EGL_NONE,
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};
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/* WARP software renderer */
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static const EGLint backendWARP[] =
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{
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EGL_PLATFORM_ANGLE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE,
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EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE, EGL_PLATFORM_ANGLE_DEVICE_TYPE_D3D_WARP_ANGLE,
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EGL_NONE,
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};
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static const EGLint* backendList[] = {
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backendD3D11,
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#ifdef __WINRT__
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backendD3D11_FL9_3,
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#else
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backendD3D9,
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#endif
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backendWARP,
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NULL
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};
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static const char* backendNamesList[] = {
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"D3D11 Backend",
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#ifdef __WINRT__
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"D3D11 FL9_3 Backend",
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#else
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"D3D9 Backend",
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#endif
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"D3D11 WARP Software Render Backend",
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NULL
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};
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/* Try initializing EGL with the backend specified in display_attr. */
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static bool angle_try_initialize(egl_ctx_data_t* egl,
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void* display_data, const EGLint* display_attr,
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EGLint* major, EGLint* minor)
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{
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EGLDisplay dpy = EGL_NO_DISPLAY;
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#if defined(HAVE_DYLIB) && defined(HAVE_DYNAMIC_EGL)
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if (!egl_init_dll())
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return false;
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#endif
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PFNEGLGETPLATFORMDISPLAYEXTPROC ptr_eglGetPlatformDisplayEXT =
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(PFNEGLGETPLATFORMDISPLAYEXTPROC)egl_get_proc_address("eglGetPlatformDisplayEXT");
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if (!ptr_eglGetPlatformDisplayEXT)
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return false;
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dpy = ptr_eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE, display_data, display_attr);
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if (dpy == EGL_NO_DISPLAY)
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return false;
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if (!egl_initialize(dpy, major, minor))
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{
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egl_terminate(egl->dpy);
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return false;
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}
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egl->dpy = dpy;
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return true;
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}
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/* Special version of egl_init_context that tries
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* all supported render backend of ANGLE. */
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bool angle_init_context(egl_ctx_data_t *egl,
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void *display_data,
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EGLint *major, EGLint *minor,
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EGLint *count, const EGLint *attrib_ptr,
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egl_accept_config_cb_t cb)
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{
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int j;
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bool success = false;
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for (j = 0; backendNamesList[j] != NULL; j++)
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{
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RARCH_LOG("[ANGLE] Trying %s...\n", backendNamesList[j]);
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if (angle_try_initialize(egl, display_data, backendList[j], major, minor))
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{
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success = true;
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break;
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}
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}
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if (!success)
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return false;
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RARCH_LOG("[EGL]: EGL version: %d.%d\n", *major, *minor);
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return egl_init_context_common(egl, count, attrib_ptr, cb, display_data);
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}
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