AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-12-26 13:41:07 +00:00
Code Issues Projects Releases Wiki Activity

gdkglcontext-wayland: Fallback to GLES 2.0 after legacy failed

Browse Source 
This lets the NGL backend be selected instead of the Cairo backend on
devices which expose both GL and GLES, but have better support of GLES.

Tested on a PinePhone.
This commit is contained in:
Emmanuel Gil Peyrot 2021-03-21 20:02:08 +00:00
parent 1a3f2acb95
commit aced6030ee
1 changed files with 41 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
gdk/wayland/gdkglcontext-wayland.c
View File

@ -126,14 +126,48 @@ gdk_wayland_gl_context_realize (GdkGLContext *context,
: EGL_NO_CONTEXT,
context_attribs);
/* If context creation failed without the legacy bit, let's try again with it */
if (ctx == NULL && !legacy_bit)
/* If context creation failed without the ES bit, let's try again with it */
if (ctx == NULL)
{
/* Ensure that re-ordering does not break the offsets */
g_assert (context_attribs[0] == EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
context_attribs[1] = EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR;
context_attribs[3] = 3;
context_attribs[5] = 0;
i = 0;
context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
context_attribs[i++] = 2;
context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
context_attribs[i++] = 0;
context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
context_attribs[i++] = flags & ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
context_attribs[i++] = EGL_NONE;
g_assert (i < N_EGL_ATTRS);
eglBindAPI (EGL_OPENGL_ES_API);
legacy_bit = FALSE;
use_es = TRUE;
GDK_DISPLAY_NOTE (display, OPENGL,
g_message ("eglCreateContext failed, switching to OpenGL ES"));
ctx = eglCreateContext (display_wayland->egl_display,
context_wayland->egl_config,
share != NULL ? GDK_WAYLAND_GL_CONTEXT (share)->egl_context
: shared_data_context != NULL ? GDK_WAYLAND_GL_CONTEXT (shared_data_context)->egl_context
: EGL_NO_CONTEXT,
context_attribs);
}
/* If context creation failed without the legacy bit, let's try again with it */
if (ctx == NULL)
{
i = 0;
context_attribs[i++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
context_attribs[i++] = EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR;
context_attribs[i++] = EGL_CONTEXT_MAJOR_VERSION;
context_attribs[i++] = 3;
context_attribs[i++] = EGL_CONTEXT_MINOR_VERSION;
context_attribs[i++] = 0;
context_attribs[i++] = EGL_CONTEXT_FLAGS_KHR;
context_attribs[i++] = flags & ~EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR;
context_attribs[i++] = EGL_NONE;
g_assert (i < N_EGL_ATTRS);
eglBindAPI (EGL_OPENGL_API);