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clutter/cogl: Use regions for clipping if necessary

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Use the new cogl function to perform clipping if the clip area
consists of more than a single rectangle.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/867
This commit is contained in:
Carlos Garnacho 2019-07-30 23:50:22 +02:00 committed by Georges Basile Stavracas Neto
parent a1116bc6c8
commit 8598b654ba
1 changed files with 26 additions and 19 deletions
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11
clutter/clutter/cogl/clutter-stage-cogl.c
View File

@ -879,6 +879,10 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
cairo_rectangle_int_t clip_rect;
cairo_rectangle_int_t scissor_rect;
stage_cogl->using_clipped_redraw = TRUE;
if (cairo_region_num_rectangles (fb_clip_region) == 1)
{
cairo_region_get_extents (fb_clip_region, &clip_rect);
calculate_scissor_region (&clip_rect,
@ -893,13 +897,16 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
scissor_rect.width,
scissor_rect.height);
stage_cogl->using_clipped_redraw = TRUE;
cogl_framebuffer_push_scissor_clip (fb,
scissor_rect.x,
scissor_rect.y,
scissor_rect.width,
scissor_rect.height);
}
else
{
cogl_framebuffer_push_region_clip (fb, fb_clip_region);
}
paint_stage (stage_cogl, view, fb_clip_region);