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/*
* Copyright 2014, 2015 Red Hat.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef VIRGL_H
#define VIRGL_H
#include "pipe/p_screen.h"
#include "util/slab.h"
#include "virgl_winsys.h"
#define VIRGL_DEBUG_VERBOSE 1
#define VIRGL_DEBUG_TGSI 2
extern int virgl_debug;
struct virgl_screen {
struct pipe_screen base;
int refcnt;
/* place for winsys to stash it's own stuff: */
void *winsys_priv;
struct virgl_winsys *vws;
struct virgl_drm_caps caps;
struct slab_parent_pool transfer_pool;
uint32_t sub_ctx_id;
};
static inline struct virgl_screen *
virgl_screen(struct pipe_screen *pipe)
{
return (struct virgl_screen *)pipe;
}
boolean
virgl_has_readback_format(struct pipe_screen *screen, enum virgl_formats fmt);
/* GL_ARB_map_buffer_alignment requires 64 as the minimum alignment value. In
* addition to complying with the extension, a high enough alignment value is
* expected by various external GL clients. For example, wined3d doesn't like
* maps that don't have a 16 byte alignment.
*/
#define VIRGL_MAP_BUFFER_ALIGNMENT 64
#endif
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