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/*
* Mesa 3-D graphics library
*
* Copyright 2012 Intel Corporation
* Copyright 2013 Google
*
* 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, 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 VMWARE AND/OR ITS 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.
*
* Authors:
* Chad Versace <chad.versace@linux.intel.com>
* Frank Henigman <fjhenigman@google.com>
*/
#ifndef INTEL_TILED_MEMCPY_H
#define INTEL_TILED_MEMCPY_H
#include <stdint.h>
#include "main/mtypes.h"
typedef void *(*mem_copy_fn)(void *dest, const void *src, size_t n);
void
linear_to_tiled(uint32_t xt1, uint32_t xt2,
uint32_t yt1, uint32_t yt2,
char *dst, const char *src,
uint32_t dst_pitch, int32_t src_pitch,
bool has_swizzling,
uint32_t tiling,
mem_copy_fn mem_copy);
void
tiled_to_linear(uint32_t xt1, uint32_t xt2,
uint32_t yt1, uint32_t yt2,
char *dst, const char *src,
int32_t dst_pitch, uint32_t src_pitch,
bool has_swizzling,
uint32_t tiling,
mem_copy_fn mem_copy);
/* Tells intel_get_memcpy() whether the memcpy() is
*
* - an upload to the GPU with an aligned destination and a potentially
* unaligned source; or
* - a download from the GPU with an aligned source and a potentially
* unaligned destination.
*/
enum intel_memcpy_direction {
INTEL_UPLOAD,
INTEL_DOWNLOAD
};
bool intel_get_memcpy(mesa_format tiledFormat, GLenum format,
GLenum type, mem_copy_fn *mem_copy, uint32_t *cpp,
enum intel_memcpy_direction direction);
#endif /* INTEL_TILED_MEMCPY */
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