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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2012-2013 LunarG, Inc.
*
* 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef ILO_TRANSFER_H
#define ILO_TRANSFER_H
#include "pipe/p_state.h"
#include "ilo_common.h"
/*
* Direct mappings are always page aligned, but ILO_TRANSFER_MAP_STAGING is
* not.
*/
#define ILO_TRANSFER_MAP_BUFFER_ALIGNMENT 64
enum ilo_transfer_map_method {
/* map() / map_gtt() / map_gtt_async() */
ILO_TRANSFER_MAP_CPU,
ILO_TRANSFER_MAP_GTT,
ILO_TRANSFER_MAP_GTT_ASYNC,
/* use staging resource */
ILO_TRANSFER_MAP_STAGING,
/* use staging system buffer */
ILO_TRANSFER_MAP_SW_CONVERT,
ILO_TRANSFER_MAP_SW_ZS,
};
struct ilo_transfer {
struct pipe_transfer base;
enum ilo_transfer_map_method method;
/* pipe_resource, system memory, or garbage depending on the method */
union {
struct pipe_resource *res;
void *sys;
} staging;
};
struct ilo_context;
static inline struct ilo_transfer *
ilo_transfer(struct pipe_transfer *transfer)
{
return (struct ilo_transfer *) transfer;
}
void
ilo_init_transfer_functions(struct ilo_context *ilo);
#endif /* ILO_TRANSFER_H */
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