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author | Maciej Cencora <m.cencora@gmail.com> | 2010-01-16 18:38:17 +0100 |
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committer | Maciej Cencora <m.cencora@gmail.com> | 2010-03-07 12:07:29 +0100 |
commit | 88a99bb305186fd0eaaae9bd0dbfa4c45f14cac7 (patch) | |
tree | b896578b05853dd6e69a00acab5bbbb1a0ef0a5d /src/mesa/drivers/dri/radeon/radeon_tile.c | |
parent | 9c0c6c26decfa533ad3fe39f83e7530d4cfc8c2f (diff) |
radeon: added tiling functions
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_tile.c')
-rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_tile.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_tile.c b/src/mesa/drivers/dri/radeon/radeon_tile.c new file mode 100644 index 0000000000..56f2fc46d9 --- /dev/null +++ b/src/mesa/drivers/dri/radeon/radeon_tile.c @@ -0,0 +1,246 @@ +/* + * Copyright (C) 2010 Maciej Cencora <m.cencora@gmail.com> + * + * 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, 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 (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 NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. + * + */ + +#include "radeon_tile.h" + +#include <stdint.h> +#include <string.h> + +#include <main/macros.h> + +#define MICRO_TILE_SIZE 32 + +static void micro_tile_8_x_4_8bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current source row */ + unsigned col; /* current source column */ + unsigned k; /* number of processed tiles */ + const unsigned tile_width = 8, tile_height = 4; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + k = 0; + for (row = 0; row < height; row += tile_height) + { + for (col = 0; col < width; col += tile_width, ++k) + { + uint8_t *src2 = (uint8_t *)src + src_pitch * row + col; + uint8_t *dst2 = (uint8_t *)dst + row * dst_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint8_t); + unsigned j; + + for (j = 0; j < MIN2(tile_height, height - row); ++j) + { + unsigned columns = MIN2(tile_width, width - col); + memcpy(dst2, src2, columns * sizeof(uint8_t)); + dst2 += tile_width; + src2 += src_pitch; + } + } + } +} + +static void micro_tile_4_x_4_16bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current source row */ + unsigned col; /* current source column */ + unsigned k; /* number of processed tiles */ + const unsigned tile_width = 4, tile_height = 4; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + k = 0; + for (row = 0; row < height; row += tile_height) + { + for (col = 0; col < width; col += tile_width, ++k) + { + uint16_t *src2 = (uint16_t *)src + src_pitch * row + col; + uint16_t *dst2 = (uint16_t *)dst + row * dst_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t); + unsigned j; + + for (j = 0; j < MIN2(tile_height, height - row); ++j) + { + unsigned columns = MIN2(tile_width, width - col); + memcpy(dst2, src2, columns * sizeof(uint16_t)); + dst2 += tile_width; + src2 += src_pitch; + } + } + } +} + +static void micro_tile_8_x_2_16bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current source row */ + unsigned col; /* current source column */ + unsigned k; /* number of processed tiles */ + const unsigned tile_width = 8, tile_height = 2; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + k = 0; + for (row = 0; row < height; row += tile_height) + { + for (col = 0; col < width; col += tile_width, ++k) + { + uint16_t *src2 = (uint16_t *)src + src_pitch * row + col; + uint16_t *dst2 = (uint16_t *)dst + row * dst_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t); + unsigned j; + + for (j = 0; j < MIN2(tile_height, height - row); ++j) + { + unsigned columns = MIN2(tile_width, width - col); + memcpy(dst2, src2, columns * sizeof(uint16_t)); + dst2 += tile_width; + src2 += src_pitch; + } + } + } +} + +static void micro_tile_4_x_2_32bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current source row */ + unsigned col; /* current source column */ + unsigned k; /* number of processed tiles */ + const unsigned tile_width = 4, tile_height = 2; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + k = 0; + for (row = 0; row < height; row += tile_height) + { + for (col = 0; col < width; col += tile_width, ++k) + { + uint32_t *src2 = (uint32_t *)src + src_pitch * row + col; + uint32_t *dst2 = (uint32_t *)dst + row * dst_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint32_t); + unsigned j; + + for (j = 0; j < MIN2(tile_height, height - row); ++j) + { + unsigned columns = MIN2(tile_width, width - col); + memcpy(dst2, src2, columns * sizeof(uint32_t)); + dst2 += tile_width; + src2 += src_pitch; + } + } + } +} + +static void micro_tile_2_x_2_64bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current source row */ + unsigned col; /* current source column */ + unsigned k; /* number of processed tiles */ + const unsigned tile_width = 2, tile_height = 2; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + k = 0; + for (row = 0; row < height; row += tile_height) + { + for (col = 0; col < width; col += tile_width, ++k) + { + uint64_t *src2 = (uint64_t *)src + src_pitch * row + col; + uint64_t *dst2 = (uint64_t *)dst + row * dst_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint64_t); + unsigned j; + + for (j = 0; j < MIN2(tile_height, height - row); ++j) + { + unsigned columns = MIN2(tile_width, width - col); + memcpy(dst2, src2, columns * sizeof(uint64_t)); + dst2 += tile_width; + src2 += src_pitch; + } + } + } +} + +static void micro_tile_1_x_1_128bit(const void * src, unsigned src_pitch, + void * dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned i, j; + const unsigned elem_size = 16; /* sizeof(uint128_t) */ + + for (j = 0; j < height; ++j) + { + for (i = 0; i < width; ++i) + { + memcpy(dst, src, width * elem_size); + dst += dst_pitch * elem_size; + src += src_pitch * elem_size; + } + } +} + +void tile_image(const void * src, unsigned src_pitch, + void *dst, unsigned dst_pitch, + gl_format format, unsigned width, unsigned height) +{ + assert(src_pitch >= width); + assert(dst_pitch >= width); + assert(dst_pitch * _mesa_get_format_bytes(format) % MICRO_TILE_SIZE == 0); + + switch (_mesa_get_format_bytes(format)) + { + case 16: + micro_tile_1_x_1_128bit(src, src_pitch, dst, dst_pitch, width, height); + break; + case 8: + micro_tile_2_x_2_64bit(src, src_pitch, dst, dst_pitch, width, height); + break; + case 4: + micro_tile_4_x_2_32bit(src, src_pitch, dst, dst_pitch, width, height); + break; + case 2: + if (_mesa_get_format_bits(format, GL_DEPTH_BITS)) + { + micro_tile_4_x_4_16bit(src, src_pitch, dst, dst_pitch, width, height); + } + else + { + micro_tile_8_x_2_16bit(src, src_pitch, dst, dst_pitch, width, height); + } + break; + case 1: + micro_tile_8_x_4_8bit(src, src_pitch, dst, dst_pitch, width, height); + break; + default: + assert(0); + break; + } +}
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