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e70cfd84fb
Instead of damaging the entire surface when rendering a cursor move, we can use the EGL_KHR_swap_buffers_with_damage extension to only damage the part of the window covered by the cursor. This should reduce the cursor movement latency on Wayland.
52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include <stdbool.h>
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#include "interface/renderer.h"
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typedef struct EGL_Cursor EGL_Cursor;
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struct CursorState {
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bool visible;
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struct Rect rect;
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};
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bool egl_cursor_init(EGL_Cursor ** cursor);
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void egl_cursor_free(EGL_Cursor ** cursor);
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bool egl_cursor_set_shape(
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EGL_Cursor * cursor,
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const LG_RendererCursor type,
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const int width,
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const int height,
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const int stride,
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const uint8_t * data);
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void egl_cursor_set_size(EGL_Cursor * cursor, const float x, const float y);
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void egl_cursor_set_state(EGL_Cursor * cursor, const bool visible,
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const float x, const float y);
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struct CursorState egl_cursor_get_state(EGL_Cursor * cursor, int width, int height);
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void egl_cursor_render(EGL_Cursor * cursor, LG_RendererRotate rotate);
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