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gdkglcontext-win32.c: Create a global shared GL context

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Like the other backends, we ought to create our WGL/EGL GL contexts like
the following:

"Create a global GL context that connects all GL contexts on a display
and lets us share textures between them."
This commit is contained in:
Chun-wei Fan 2020-07-31 18:37:05 +08:00
parent 07166a55ee
commit 85706dc39d
1 changed files with 4 additions and 2 deletions
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6
gdk/win32/gdkglcontext-win32.c
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@ -937,6 +937,7 @@ gdk_win32_gl_context_realize (GdkGLContext *context,
GError **error)
{
GdkGLContext *share = gdk_gl_context_get_shared_context (context);
GdkGLContext *shared_data_context;
GdkWin32GLContext *context_win32 = GDK_WIN32_GL_CONTEXT (context);
gboolean debug_bit, compat_bit, legacy_bit;
@ -955,6 +956,7 @@ gdk_win32_gl_context_realize (GdkGLContext *context,
gdk_gl_context_get_required_version (context, &major, &minor);
debug_bit = gdk_gl_context_get_debug_enabled (context);
compat_bit = gdk_gl_context_get_forward_compatible (context);
shared_data_context = gdk_surface_get_shared_data_gl_context (surface);
/*
* A legacy context cannot be shared with core profile ones, so this means we
@ -1004,7 +1006,7 @@ gdk_win32_gl_context_realize (GdkGLContext *context,
legacy_bit ? "yes" : "no"));
hglrc = _create_gl_context (context_win32->gl_hdc,
share,
share ? share : shared_data_context,
flags,
major,
minor,
@ -1046,7 +1048,7 @@ gdk_win32_gl_context_realize (GdkGLContext *context,
ctx = _create_egl_context (win32_display->egl_disp,
context_win32->egl_config,
share,
share ? share : shared_data_context,
flags,
major,
minor,