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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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 TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
#ifndef LP_TILE_SOA_H
#define LP_TILE_SOA_H
#include "pipe/p_compiler.h"
#include "tgsi/tgsi_exec.h" // for NUM_CHANNELS
#ifdef __cplusplus
extern "C" {
#endif
struct pipe_transfer;
/**
* Cache tile size (width and height). This needs to be a power of two.
*/
#define TILE_SIZE 64
#define TILE_VECTOR_HEIGHT 2
#define TILE_VECTOR_WIDTH 8
extern const unsigned char
tile_offset[TILE_VECTOR_HEIGHT][TILE_VECTOR_WIDTH];
#define TILE_C_STRIDE (TILE_VECTOR_HEIGHT*TILE_VECTOR_WIDTH)
#define TILE_X_STRIDE (NUM_CHANNELS*TILE_C_STRIDE)
#define TILE_Y_STRIDE (TILE_VECTOR_HEIGHT*TILE_SIZE*NUM_CHANNELS)
#define TILE_PIXEL(_p, _x, _y, _c) \
((_p)[((_y)/TILE_VECTOR_HEIGHT)*TILE_Y_STRIDE + \
((_x)/TILE_VECTOR_WIDTH)*TILE_X_STRIDE + \
(_c)*TILE_C_STRIDE + \
tile_offset[(_y) % TILE_VECTOR_HEIGHT][(_x) % TILE_VECTOR_WIDTH]])
void
lp_get_tile_rgba_soa(struct pipe_transfer *pt,
uint x, uint y,
uint8_t *p);
void
lp_put_tile_rgba_soa(struct pipe_transfer *pt,
uint x, uint y,
const uint8_t *p);
#ifdef __cplusplus
}
#endif
#endif
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