69 lines
1.7 KiB
C++
69 lines
1.7 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) 2020 Blender Foundation.
|
||
|
|
* All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** \file
|
||
|
|
* \ingroup gpu
|
||
|
|
*/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include "MEM_guardedalloc.h"
|
||
|
|
|
||
|
|
#include "gpu_index_buffer_private.hh"
|
||
|
|
|
||
|
|
#include "glew-mx.h"
|
||
|
|
|
||
|
|
namespace blender::gpu {
|
||
|
|
|
||
|
|
class GLIndexBuf : public IndexBuf {
|
||
|
|
friend class GLBatch;
|
||
|
|
friend class GLDrawList;
|
||
|
|
|
||
|
|
private:
|
||
|
|
GLuint ibo_id_ = 0;
|
||
|
|
|
||
|
|
public:
|
||
|
|
~GLIndexBuf();
|
||
|
|
|
||
|
|
void bind(void);
|
||
|
|
|
||
|
|
void *offset_ptr(uint additional_vertex_offset) const
|
||
|
|
{
|
||
|
|
additional_vertex_offset += index_start_;
|
||
|
|
if (index_type_ == GPU_INDEX_U32) {
|
||
|
|
return (GLuint *)0 + additional_vertex_offset;
|
||
|
|
}
|
||
|
|
return (GLushort *)0 + additional_vertex_offset;
|
||
|
|
}
|
||
|
|
|
||
|
|
GLuint restart_index(void) const
|
||
|
|
{
|
||
|
|
return (index_type_ == GPU_INDEX_U16) ? 0xFFFFu : 0xFFFFFFFFu;
|
||
|
|
}
|
||
|
|
|
||
|
|
MEM_CXX_CLASS_ALLOC_FUNCS("GLIndexBuf")
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline GLenum to_gl(GPUIndexBufType type)
|
||
|
|
{
|
||
|
|
return (type == GPU_INDEX_U32) ? GL_UNSIGNED_INT : GL_UNSIGNED_SHORT;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace blender::gpu
|