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blender-archive/source/blender/gpu/GPU_select.h
Germano Cavalcante d5cb425b87 Possible fix for T62999: Crash when select in edit mode.
Apparently some drivers don't allow `glReadPixel` read out pixels of texture boundaries.
Intersect `rect` to avoid such cases.
2019-03-28 14:19:21 -03:00

58 lines
1.8 KiB
C++

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2014 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*/
#ifndef __GPU_SELECT_H__
#define __GPU_SELECT_H__
#include "BLI_sys_types.h"
struct rcti;
/* flags for mode of operation */
enum {
GPU_SELECT_ALL = 1,
/* gpu_select_query */
GPU_SELECT_NEAREST_FIRST_PASS = 2,
GPU_SELECT_NEAREST_SECOND_PASS = 3,
/* gpu_select_pick */
GPU_SELECT_PICK_ALL = 4,
GPU_SELECT_PICK_NEAREST = 5,
};
void GPU_select_begin(unsigned int *buffer, unsigned int bufsize, const struct rcti *input, char mode, int oldhits);
bool GPU_select_load_id(unsigned int id);
void GPU_select_finalize(void);
unsigned int GPU_select_end(void);
/* cache selection region */
bool GPU_select_is_cached(void);
void GPU_select_cache_begin(void);
void GPU_select_cache_load_id(void);
void GPU_select_cache_end(void);
/* utilities */
const uint *GPU_select_buffer_near(const uint *buffer, int hits);
void GPU_select_buffer_stride_realign(const struct rcti *src, const struct rcti *dst, uint *r_buf);
#endif