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gdkglcontext-win32.c: Fix Resizing and moving

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We preiously did not apply the resizes and moves as they were previously
only done in the Cairo drawing context on Win32.  Fix this by applying
this too in the GL drawing context.
This commit is contained in:
Chun-wei Fan 2019-04-01 14:47:36 +08:00
parent 3a56da60dd
commit 7a45768efe
1 changed files with 21 additions and 1 deletions
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22
gdk/win32/gdkglcontext-win32.c
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@ -166,6 +166,27 @@ gdk_win32_gl_context_begin_frame (GdkDrawContext *draw_context,
{
GdkGLContext *context = GDK_GL_CONTEXT (draw_context);
GdkSurface *surface;
GdkSurfaceImplWin32 *impl;
RECT queued_window_rect;
surface = gdk_gl_context_get_surface (context);
impl = GDK_SURFACE_IMPL_WIN32 (surface->impl);
gdk_win32_surface_get_queued_window_rect (surface,
gdk_surface_get_scale_factor (surface),
&queued_window_rect);
/* Apply queued resizes GL windows before painting them
* (we paint on the window DC directly, it must have the right size).
* Due to some poorly-understood issue delayed
* resizing of double-buffered windows can produce weird
* artefacts, so these are also resized before we paint.
*/
if (impl->drag_move_resize_context.native_move_resize_pending)
{
impl->drag_move_resize_context.native_move_resize_pending = FALSE;
gdk_win32_surface_apply_queued_move_resize (surface, queued_window_rect);
}
GDK_DRAW_CONTEXT_CLASS (gdk_win32_gl_context_parent_class)->begin_frame (draw_context, update_area);
if (gdk_gl_context_get_shared_context (context))
@ -176,7 +197,6 @@ gdk_win32_gl_context_begin_frame (GdkDrawContext *draw_context,
/* If nothing else is known, repaint everything so that the back
buffer is fully up-to-date for the swapbuffer */
surface = gdk_gl_context_get_surface (context);
cairo_region_union_rectangle (update_area, &(GdkRectangle) {
0, 0,
gdk_surface_get_width (surface),