From d6a6313493f658912eb64349d924dc95f6a1aa19 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jonas=20=C3=85dahl?= Date: Tue, 3 Dec 2019 16:32:59 +0100 Subject: [PATCH] wayland/glcontext: Fix damage region on HiDPI The passed regions are in surface coordinates, but eglSwapBuffersWithDamage() is in buffer coordinates. --- gdk/wayland/gdkglcontext-wayland.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/gdk/wayland/gdkglcontext-wayland.c b/gdk/wayland/gdkglcontext-wayland.c index 40df428a38..c6b2116b26 100644 --- a/gdk/wayland/gdkglcontext-wayland.c +++ b/gdk/wayland/gdkglcontext-wayland.c @@ -244,14 +244,15 @@ gdk_wayland_gl_context_end_frame (GdkDrawContext *draw_context, EGLint *rects = g_new (EGLint, n_rects * 4); cairo_rectangle_int_t rect; int surface_height = gdk_surface_get_height (surface); + int scale = gdk_surface_get_scale_factor (surface); for (i = 0, j = 0; i < n_rects; i++) { cairo_region_get_rectangle (painted, i, &rect); - rects[j++] = rect.x; - rects[j++] = surface_height - rect.height - rect.y; - rects[j++] = rect.width; - rects[j++] = rect.height; + rects[j++] = rect.x * scale; + rects[j++] = (surface_height - rect.height - rect.y) * scale; + rects[j++] = rect.width * scale; + rects[j++] = rect.height * scale; } eglSwapBuffersWithDamageEXT (display_wayland->egl_display, egl_surface, rects, n_rects); g_free (rects); -- 2.30.2