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wayland/glcontext: Fix damage region on HiDPI

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The passed regions are in surface coordinates, but
eglSwapBuffersWithDamage() is in buffer coordinates.
This commit is contained in:
Jonas Ådahl 2019-12-03 16:32:59 +01:00
parent 9b5a7ae802
commit d6a6313493
1 changed files with 5 additions and 4 deletions
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9
gdk/wayland/gdkglcontext-wayland.c
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@ -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);