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/*
* 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) 2016 by Mike Erwin.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*
* GPU vertex buffer
*/
#pragma once
#include "GPU_vertex_buffer.h"
namespace blender::gpu {
struct VertBuf {
static size_t memory_usage;
GPUVertFormat format = {};
/** Number of verts we want to draw. */
uint vertex_len = 0;
/** Number of verts data. */
uint vertex_alloc = 0;
/** 0 indicates not yet allocated. */
uint32_t vbo_id = 0;
/** Usage hint for GL optimisation. */
GPUUsageType usage = GPU_USAGE_STATIC;
/** Status flag. */
GPUVertBufStatus flag = GPU_VERTBUF_INVALID;
/** This counter will only avoid freeing the GPUVertBuf, not the data. */
char handle_refcount = 0;
/** NULL indicates data in VRAM (unmapped) */
uchar *data = NULL;
};
/* Syntacting suggar. */
static inline GPUVertBuf *wrap(VertBuf *vert)
{
return reinterpret_cast<GPUVertBuf *>(vert);
}
static inline VertBuf *unwrap(GPUVertBuf *vert)
{
return reinterpret_cast<VertBuf *>(vert);
}
static inline const VertBuf *unwrap(const GPUVertBuf *vert)
{
return reinterpret_cast<const VertBuf *>(vert);
}
} // namespace blender::gpu
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