1 /************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef LP_TILE_SOA_H 29 #define LP_TILE_SOA_H 30 31 #include "pipe/p_compiler.h" 32 #include "tgsi/tgsi_exec.h" /* for TGSI_NUM_CHANNELS */ 33 #include "lp_limits.h" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 40 struct pipe_transfer; 41 42 43 #define TILE_VECTOR_HEIGHT 4 44 #define TILE_VECTOR_WIDTH 4 45 46 extern const unsigned char 47 tile_offset[TILE_VECTOR_HEIGHT][TILE_VECTOR_WIDTH]; 48 49 #define TILE_C_STRIDE (TILE_VECTOR_HEIGHT * TILE_VECTOR_WIDTH) //16 50 #define TILE_X_STRIDE (TGSI_NUM_CHANNELS * TILE_C_STRIDE) //64 51 #define TILE_Y_STRIDE (TILE_VECTOR_HEIGHT * TILE_SIZE * TGSI_NUM_CHANNELS) //1024 52 53 54 #ifdef DEBUG 55 extern unsigned lp_tile_unswizzle_count; 56 extern unsigned lp_tile_swizzle_count; 57 #endif 58 59 60 /** 61 * Return offset of the given pixel (and color channel) from the start 62 * of a tile, in bytes. 63 */ 64 static INLINE unsigned 65 tile_pixel_offset(unsigned x, unsigned y, unsigned c) 66 { 67 unsigned ix = (x / TILE_VECTOR_WIDTH) * TILE_X_STRIDE; 68 unsigned iy = (y / TILE_VECTOR_HEIGHT) * TILE_Y_STRIDE; 69 unsigned offset = iy + ix + c * TILE_C_STRIDE + 70 tile_offset[y % TILE_VECTOR_HEIGHT][x % TILE_VECTOR_WIDTH]; 71 return offset; 72 } 73 74 75 #define TILE_PIXEL(_p, _x, _y, _c) ((_p)[tile_pixel_offset(_x, _y, _c)]) 76 77 78 void 79 lp_tile_swizzle_4ub(enum pipe_format format, 80 uint8_t *dst, 81 const void *src, unsigned src_stride, 82 unsigned x, unsigned y); 83 84 85 void 86 lp_tile_unswizzle_4ub(enum pipe_format format, 87 const uint8_t *src, 88 void *dst, unsigned dst_stride, 89 unsigned x, unsigned y); 90 91 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif 98
