Module: Mesa Branch: master Commit: 5fefca5dbae9a5b00a3d624da0b5e582c00ad280 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5fefca5dbae9a5b00a3d624da0b5e582c00ad280
Author: Maciej Cencora <[email protected]> Date: Sat Feb 6 13:46:17 2010 +0100 radeon: add software untiling functions --- src/mesa/drivers/dri/radeon/radeon_tile.c | 221 +++++++++++++++++++++++++++++ src/mesa/drivers/dri/radeon/radeon_tile.h | 4 + 2 files changed, 225 insertions(+), 0 deletions(-) diff --git a/src/mesa/drivers/dri/radeon/radeon_tile.c b/src/mesa/drivers/dri/radeon/radeon_tile.c index b998baf..1e4729a 100644 --- a/src/mesa/drivers/dri/radeon/radeon_tile.c +++ b/src/mesa/drivers/dri/radeon/radeon_tile.c @@ -245,6 +245,227 @@ void tile_image(const void * src, unsigned src_pitch, } } +static void micro_untile_8_x_4_8bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current destination row */ + unsigned col; /* current destination column */ + unsigned k; /* current tile number */ + const unsigned tile_width = 8, tile_height = 4; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + assert(src_pitch % tile_width == 0); + + 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 + row * src_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint8_t); + uint8_t *dst2 = (uint8_t *)dst + dst_pitch * row + col; + 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 += dst_pitch; + src2 += tile_width; + } + } + } +} + +static void micro_untile_8_x_2_16bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current destination row */ + unsigned col; /* current destination column */ + unsigned k; /* current tile number */ + const unsigned tile_width = 8, tile_height = 2; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + assert(src_pitch % tile_width == 0); + + 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 + row * src_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t); + uint16_t *dst2 = (uint16_t *)dst + dst_pitch * row + col; + 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 += dst_pitch; + src2 += tile_width; + } + } + } +} + +static void micro_untile_4_x_4_16bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current destination row */ + unsigned col; /* current destination column */ + unsigned k; /* current tile number */ + const unsigned tile_width = 4, tile_height = 4; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + assert(src_pitch % tile_width == 0); + + 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 + row * src_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint16_t); + uint16_t *dst2 = (uint16_t *)dst + dst_pitch * row + col; + 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 += dst_pitch; + src2 += tile_width; + } + } + } +} + +static void micro_untile_4_x_2_32bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current destination row */ + unsigned col; /* current destination column */ + unsigned k; /* current tile number */ + const unsigned tile_width = 4, tile_height = 2; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + assert(src_pitch % tile_width == 0); + + 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 + row * src_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint32_t); + uint32_t *dst2 = (uint32_t *)dst + dst_pitch * row + col; + 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 += dst_pitch; + src2 += tile_width; + } + } + } +} + +static void micro_untile_2_x_2_64bit(const void * const src, unsigned src_pitch, + void * const dst, unsigned dst_pitch, + unsigned width, unsigned height) +{ + unsigned row; /* current destination row */ + unsigned col; /* current destination column */ + unsigned k; /* current tile number */ + const unsigned tile_width = 2, tile_height = 2; + const unsigned tiles_in_row = (width + (tile_width - 1)) / tile_width; + + assert(src_pitch % tile_width == 0); + + 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 + row * src_pitch + + (k % tiles_in_row) * MICRO_TILE_SIZE / sizeof(uint64_t); + uint64_t *dst2 = (uint64_t *)dst + dst_pitch * row + col; + 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 += dst_pitch; + src2 += tile_width; + } + } + } +} + +static void micro_untile_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 untile_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(src_pitch * _mesa_get_format_bytes(format) % MICRO_TILE_SIZE == 0); + + switch (_mesa_get_format_bytes(format)) + { + case 16: + micro_untile_1_x_1_128bit(src, src_pitch, dst, dst_pitch, width, height); + break; + case 8: + micro_untile_2_x_2_64bit(src, src_pitch, dst, dst_pitch, width, height); + break; + case 4: + micro_untile_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_untile_4_x_4_16bit(src, src_pitch, dst, dst_pitch, width, height); + } + else + { + micro_untile_8_x_2_16bit(src, src_pitch, dst, dst_pitch, width, height); + } + break; + case 1: + micro_untile_8_x_4_8bit(src, src_pitch, dst, dst_pitch, width, height); + break; + default: + assert(0); + break; + } +} + void get_tile_size(gl_format format, unsigned *block_width, unsigned *block_height) { switch (_mesa_get_format_bytes(format)) diff --git a/src/mesa/drivers/dri/radeon/radeon_tile.h b/src/mesa/drivers/dri/radeon/radeon_tile.h index 06850b3..31d9c56 100644 --- a/src/mesa/drivers/dri/radeon/radeon_tile.h +++ b/src/mesa/drivers/dri/radeon/radeon_tile.h @@ -31,4 +31,8 @@ void tile_image(const void * src, unsigned src_pitch, void *dst, unsigned dst_pitch, gl_format format, unsigned width, unsigned height); +void untile_image(const void * src, unsigned src_pitch, + void *dst, unsigned dst_pitch, + gl_format format, unsigned width, unsigned height); + void get_tile_size(gl_format format, unsigned *block_width, unsigned *block_height); _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
