diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_format_s3tc.c')
| -rw-r--r-- | src/gallium/auxiliary/util/u_format_s3tc.c | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format_s3tc.c b/src/gallium/auxiliary/util/u_format_s3tc.c new file mode 100644 index 0000000000..4fe00b0e43 --- /dev/null +++ b/src/gallium/auxiliary/util/u_format_s3tc.c @@ -0,0 +1,510 @@ +/************************************************************************** + * + * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. + * Copyright (c) 2008 VMware, Inc. + * + * 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 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 + * BRIAN PAUL 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 "u_dl.h" +#include "u_math.h" +#include "u_format.h" +#include "u_format_s3tc.h" + + +#if defined(_WIN32) || defined(WIN32) +#define DXTN_LIBNAME "dxtn.dll" +#else +#define DXTN_LIBNAME "libtxc_dxtn.so" +#endif + + +boolean util_format_s3tc_enabled = FALSE; + +util_format_dxtn_fetch_t util_format_dxt1_rgb_fetch = NULL; +util_format_dxtn_fetch_t util_format_dxt1_rgba_fetch = NULL; +util_format_dxtn_fetch_t util_format_dxt3_rgba_fetch = NULL; +util_format_dxtn_fetch_t util_format_dxt5_rgba_fetch = NULL; + +util_format_dxtn_pack_t util_format_dxtn_pack = NULL; + + +void +util_format_s3tc_init(void) +{ + static struct util_dl_library * + library = NULL; + + if (util_format_s3tc_enabled) + return; + + if (!library) { + library = util_dl_open(DXTN_LIBNAME); + if (!library) { + debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn " + "compression/decompression unavailable"); + } + else { + util_format_dxt1_rgb_fetch = (util_format_dxtn_fetch_t) + util_dl_get_proc_address(library, "fetch_2d_texel_rgb_dxt1"); + util_format_dxt1_rgba_fetch = (util_format_dxtn_fetch_t) + util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt1"); + util_format_dxt3_rgba_fetch = (util_format_dxtn_fetch_t) + util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt3"); + util_format_dxt5_rgba_fetch = (util_format_dxtn_fetch_t) + util_dl_get_proc_address(library, "fetch_2d_texel_rgba_dxt5"); + util_format_dxtn_pack = (util_format_dxtn_pack_t) + util_dl_get_proc_address(library, "tx_compress_dxtn"); + + if (util_format_dxt1_rgb_fetch || + util_format_dxt1_rgba_fetch || + util_format_dxt3_rgba_fetch || + util_format_dxt5_rgba_fetch || + util_format_dxtn_pack) { + util_format_s3tc_enabled = TRUE; + debug_printf("software DXTn compression/decompression available"); + + } else { + debug_printf("couldn't reference all symbols in " + DXTN_LIBNAME ", software DXTn compression/decompression " + "unavailable"); + } + } + } +} + + +/* + * Pixel fetch. + */ + +void +util_format_dxt1_rgb_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt1_rgb_fetch) { + util_format_dxt1_rgb_fetch(0, src, i, j, dst); + } +} + +void +util_format_dxt1_rgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt1_rgba_fetch) { + util_format_dxt1_rgba_fetch(0, src, i, j, dst); + } +} + +void +util_format_dxt3_rgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt3_rgba_fetch) { + util_format_dxt3_rgba_fetch(0, src, i, j, dst); + } +} + +void +util_format_dxt5_rgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt5_rgba_fetch) { + util_format_dxt5_rgba_fetch(0, src, i, j, dst); + } +} + +void +util_format_dxt1_rgb_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt1_rgb_fetch) { + uint8_t tmp[4]; + util_format_dxt1_rgb_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = 1.0; + } +} + +void +util_format_dxt1_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt1_rgba_fetch) { + uint8_t tmp[4]; + util_format_dxt1_rgba_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = ubyte_to_float(tmp[3]); + } +} + +void +util_format_dxt3_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt3_rgba_fetch) { + uint8_t tmp[4]; + util_format_dxt3_rgba_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = ubyte_to_float(tmp[3]); + } +} + +void +util_format_dxt5_rgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + if (util_format_dxt5_rgba_fetch) { + uint8_t tmp[4]; + util_format_dxt5_rgba_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = ubyte_to_float(tmp[3]); + } +} + + +/* + * Block decompression. + * + * FIXME + */ + +void +util_format_dxt1_rgb_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt1_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + +} + +void +util_format_dxt3_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt5_rgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt1_rgb_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + if (util_format_dxt1_rgb_fetch) { + unsigned x, y, i, j; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + uint8_t tmp[4]; + util_format_dxt1_rgb_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = 1.0; + } + } + src += 8; + } + src_row += src_stride; + } + } +} + +void +util_format_dxt1_rgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + if (util_format_dxt1_rgba_fetch) { + unsigned x, y, i, j; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + uint8_t tmp[4]; + util_format_dxt1_rgba_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = ubyte_to_float(tmp[3]); + } + } + src += 8; + } + src_row += src_stride; + } + } +} + +void +util_format_dxt3_rgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + if (util_format_dxt3_rgba_fetch) { + unsigned x, y, i, j; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + uint8_t tmp[4]; + util_format_dxt3_rgba_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = ubyte_to_float(tmp[3]); + } + } + src += 16; + } + src_row += src_stride; + } + } +} + +void +util_format_dxt5_rgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + if (util_format_dxt5_rgba_fetch) { + unsigned x, y, i, j; + for(y = 0; y < height; y += 4) { + const uint8_t *src = src_row; + for(x = 0; x < width; x += 4) { + for(j = 0; j < 4; ++j) { + for(i = 0; i < 4; ++i) { + float *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*4; + uint8_t tmp[4]; + util_format_dxt5_rgba_fetch(0, src, i, j, tmp); + dst[0] = ubyte_to_float(tmp[0]); + dst[1] = ubyte_to_float(tmp[1]); + dst[2] = ubyte_to_float(tmp[2]); + dst[3] = ubyte_to_float(tmp[3]); + } + } + src += 16; + } + src_row += src_stride; + } + } +} + + +/* + * Block compression. + * + * FIXME + */ + +void +util_format_dxt1_rgb_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt1_rgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt3_rgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt5_rgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt1_rgb_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt1_rgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt3_rgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + +void +util_format_dxt5_rgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ +} + + +/* + * SRGB variants. + * + * FIXME: shunts to RGB for now + */ + +void +util_format_dxt1_srgb_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgb_unpack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgb_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgb_pack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgb_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt1_rgb_fetch_8unorm(dst, src, i, j); +} + +void +util_format_dxt1_srgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgba_unpack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgba_pack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt1_rgba_fetch_8unorm(dst, src, i, j); +} + +void +util_format_dxt3_srgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt3_rgba_unpack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt3_srgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt3_rgba_pack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt3_srgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt3_rgba_fetch_8unorm(dst, src, i, j); +} + +void +util_format_dxt5_srgba_unpack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt5_rgba_unpack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt5_srgba_pack_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt5_rgba_pack_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt5_srgba_fetch_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt5_rgba_fetch_8unorm(dst, src, i, j); +} + +void +util_format_dxt1_srgb_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgb_unpack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgb_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgb_pack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgb_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt1_rgb_fetch_float(dst, src, i, j); +} + +void +util_format_dxt1_srgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgba_unpack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt1_rgba_pack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt1_srgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt1_rgba_fetch_float(dst, src, i, j); +} + +void +util_format_dxt3_srgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt3_rgba_unpack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt3_srgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt3_rgba_pack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt3_srgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt3_rgba_fetch_float(dst, src, i, j); +} + +void +util_format_dxt5_srgba_unpack_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt5_rgba_unpack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt5_srgba_pack_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_dxt5_rgba_pack_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_dxt5_srgba_fetch_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_dxt5_rgba_fetch_float(dst, src, i, j); +} + |