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SDL3: opengles2 render not support window with transparent flag on Linux/X11 (#11167)

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rhett-lee
2024-10-12 11:30:52 +08:00
committed by Sam Lantinga
parent c6c195ff88
commit 22566506d0
1 changed files with 20 additions and 9 deletions
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29
src/video/x11/SDL_x11opengles.c
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@@ -59,9 +59,9 @@ XVisualInfo *X11_GLES_GetVisual(SDL_VideoDevice *_this, Display *display, int sc
{
XVisualInfo *egl_visualinfo = NULL;
EGLint visual_id;
EGLint visual_id = 0;
XVisualInfo vi_in;
int out_count;
int out_count = 0;
if (!_this->egl_data) {
// The EGL library wasn't loaded, SDL_GetError() should have info
@@ -71,8 +71,24 @@ XVisualInfo *X11_GLES_GetVisual(SDL_VideoDevice *_this, Display *display, int sc
if (_this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,
_this->egl_data->egl_config,
EGL_NATIVE_VISUAL_ID,
&visual_id) == EGL_FALSE ||
!visual_id) {
&visual_id) == EGL_FALSE) {
visual_id = 0;
}
if (visual_id != 0) {
vi_in.screen = screen;
vi_in.visualid = visual_id;
egl_visualinfo = X11_XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
if (transparent && egl_visualinfo) {
Uint32 format = X11_GetPixelFormatFromVisualInfo(display, egl_visualinfo);
if (!SDL_ISPIXELFORMAT_ALPHA(format)) {
// not transparent!
X11_XFree(egl_visualinfo);
egl_visualinfo = NULL;
}
}
}
if(!egl_visualinfo) {
// Use the default visual when all else fails
vi_in.screen = screen;
egl_visualinfo = X11_XGetVisualInfo(display,
@@ -95,12 +111,7 @@ XVisualInfo *X11_GLES_GetVisual(SDL_VideoDevice *_this, Display *display, int sc
}
}
}
} else {
vi_in.screen = screen;
vi_in.visualid = visual_id;
egl_visualinfo = X11_XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
}
return egl_visualinfo;
}