TeamHepta/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2026-04-19 23:05:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

egl: Fix X11 EGL window creation on Nvidia

Browse Source 
This is a port of 808a3f5 to SDL2.

Fixes #13094

(cherry picked from commit 3146374e4a)
This commit is contained in:
Cameron Gutman
2025-12-05 21:25:55 -06:00
parent 2430122b21
commit 667e4e9020
1 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/video/SDL_egl.c
View File

@@ -1186,6 +1186,7 @@ EGLSurface *SDL_EGL_CreateSurface(_THIS, NativeWindowType nw)
/* max 2 key+value pairs, plus terminator. */
EGLint attribs[5];
int attr = 0;
int opaque_ext_idx = -1;
EGLSurface *surface;
@@ -1220,6 +1221,7 @@ EGLSurface *SDL_EGL_CreateSurface(_THIS, NativeWindowType nw)
#ifdef EGL_EXT_present_opaque
if (SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_EXT_present_opaque")) {
const SDL_bool allow_transparent = SDL_GetHintBoolean(SDL_HINT_VIDEO_EGL_ALLOW_TRANSPARENCY, SDL_FALSE);
opaque_ext_idx = attr;
attribs[attr++] = EGL_PRESENT_OPAQUE_EXT;
attribs[attr++] = allow_transparent ? EGL_FALSE : EGL_TRUE;
}
@@ -1231,6 +1233,16 @@ EGLSurface *SDL_EGL_CreateSurface(_THIS, NativeWindowType nw)
_this->egl_data->egl_display,
_this->egl_data->egl_config,
nw, &attribs[0]);
if (surface == EGL_NO_SURFACE) {
/* we had a report of Nvidia drivers that report EGL_BAD_ATTRIBUTE if you try to
* use EGL_PRESENT_OPAQUE_EXT, even when EGL_EXT_present_opaque is reported as available.
* If we used it, try a second time without this attribute. */
if ((_this->egl_data->eglGetError() == EGL_BAD_ATTRIBUTE) && (opaque_ext_idx >= 0)) {
SDL_memmove(&attribs[opaque_ext_idx], &attribs[opaque_ext_idx + 2], sizeof (attribs[0]) * ((attr - opaque_ext_idx) - 2));
surface = _this->egl_data->eglCreateWindowSurface(_this->egl_data->egl_display, _this->egl_data->egl_config, nw, &attribs[0]);
}
}
if (surface == EGL_NO_SURFACE) {
SDL_EGL_SetError("unable to create an EGL window surface", "eglCreateWindowSurface");
}