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authorShinwoo Kim <cinoo.kim@samsung.com>2019-01-28 14:49:02 +0900
committerHermet Park <hermetpark@gmail.com>2019-01-28 14:49:02 +0900
commit70ae090254ff68aedaa193b5ee09200e15f03890 (patch)
treeb94cd967c4c71bc4901653d1c5cbb06de9243c49 /src/lib/elementary/efl_ui_list_view_relayout.eo
parent25925f026407a16795961334be0346f0509f9a28 (diff)
evas_clip: do not set clip->changed to true
Summary: [Issuse] The issue solved by this commit occurs with 'export EVAS_GL_PARTIAL_DISABLE=0'. The _efl_canvas_object_clip_set set clip->changed to true, but did not add the clip object to e->pending_objects. So there is no chance to reset it to false. (Please refer to evas_render_object_recalc.) The clip->changed is always ture so its clipees cannot change its 'changed' to true. Because if 'changed' is true, evas_object_change returns before calling evas_object_change for its clipees. (Please see evas_object_change.) So 'changed' of clipees is false always, and clipees cannot call render_pre in _evas_render_phase1_direct, and eglSwapBuffersWithDamage is not called. This caused rendering issue. This could be rare case. The _efl_canvas_object_clip_set is called when the clipper and its clipees are out of view. [Solution] I would like to explain why removing line setting clip->changed to true makes sense. First, the following commit added line setting clip->changed to true. (1) committ 5e8d46e884930f109a28147cda4ce002e6836017 Author: Carsten Haitzler <raster@rasterman.com> Date: Wed Sep 22 04:37:51 2004 +0000 clip bug fix :) And following commit removed line calling evas_damage_rectangle_add which is part of commit (1) above. (2) commit 8767a80b0dbda4e2c3a6b2a41a04bf35f43a3ed1 Author: Carsten Haitzler (Rasterman) <raster@rasterman.com> Date: Wed Apr 16 16:14:16 2014 +0900 fix overdraw issue in evas when clips change Between above two commits, another commit calling evas_object_change(clip) was added. This commit sets clip->changed to ture, and adds clip object to e->pending_objects by evas_object_change -> evas_render_object_recalc. (3) commit 4aca7949f581eaaf943785759b542acd8fc6794c Author: Carsten Haitzler <raster@rasterman.com> Date: Wed Nov 2 04:03:55 2005 +0000 fix excess overdraw bug So we do not need the remains of commit (1). REMOVE!! :-] Reviewers: raster, Hermet, jypark Reviewed By: Hermet Subscribers: cedric, #reviewers, #committers Tags: #efl Differential Revision: https://phab.enlightenment.org/D7767
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