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Diffstat (limited to 'src/util/format/u_format_latc.c')
| -rw-r--r-- | src/util/format/u_format_latc.c | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/src/util/format/u_format_latc.c b/src/util/format/u_format_latc.c new file mode 100644 index 00000000000..1f26cb18f3a --- /dev/null +++ b/src/util/format/u_format_latc.c @@ -0,0 +1,306 @@ +/************************************************************************** + * + * Copyright (C) 2011 Red Hat 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 + * THE AUTHORS OR COPYRIGHT HOLDERS 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 <stdio.h> +#include "util/format/u_format.h" +#include "util/format/u_format_rgtc.h" +#include "util/format/u_format_latc.h" +#include "util/rgtc.h" +#include "util/u_math.h" + +void +util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + /* Fix warnings here: */ + (void) util_format_unsigned_encode_rgtc_ubyte; + (void) util_format_signed_encode_rgtc_ubyte; + + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1); + dst[1] = dst[0]; + dst[2] = dst[0]; + dst[3] = 255; +} + +void +util_format_latc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, + unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 8; + + 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_r; + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = 1.0; + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + uint8_t tmp_r; + + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = 1.0; +} + +void +util_format_latc1_snorm_fetch_rgba_8unorm(UNUSED uint8_t *dst, UNUSED const uint8_t *src, + UNUSED unsigned i, UNUSED unsigned j) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc1_snorm_unpack_rgba_8unorm(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc1_snorm_pack_rgba_8unorm(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc1_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc1_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 8; + + for(y = 0; y < height; y += 4) { + const int8_t *src = (int8_t *)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; + int8_t tmp_r; + util_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = 1.0; + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc1_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + int8_t tmp_r; + + util_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 1); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = 1.0; +} + + +void +util_format_latc2_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) +{ + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); + dst[1] = dst[0]; + dst[2] = dst[0]; + util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 3, 2); +} + +void +util_format_latc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc2_unorm_unpack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rgtc2_unorm_pack_rgba_8unorm(dst_row, dst_stride, src_row, src_stride, width, height); +} + +void +util_format_latc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rxtc2_unorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); +} + +void +util_format_latc2_unorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 16; + + 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_r, tmp_g; + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); + util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = ubyte_to_float(tmp_g); + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc2_unorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + uint8_t tmp_r, tmp_g; + + util_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); + util_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = ubyte_to_float(tmp_r); + dst[3] = ubyte_to_float(tmp_g); +} + + +void +util_format_latc2_snorm_fetch_rgba_8unorm(UNUSED uint8_t *dst, UNUSED const uint8_t *src, + UNUSED unsigned i, UNUSED unsigned j) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc2_snorm_unpack_rgba_8unorm(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc2_snorm_pack_rgba_8unorm(UNUSED uint8_t *dst_row, UNUSED unsigned dst_stride, + UNUSED const uint8_t *src_row, UNUSED unsigned src_stride, + UNUSED unsigned width, UNUSED unsigned height) +{ + fprintf(stderr,"%s\n", __func__); +} + +void +util_format_latc2_snorm_unpack_rgba_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + unsigned x, y, i, j; + int block_size = 16; + + for(y = 0; y < height; y += 4) { + const int8_t *src = (int8_t *)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; + int8_t tmp_r, tmp_g; + util_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); + util_format_signed_fetch_texel_rgtc(0, src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = byte_to_float_tex(tmp_g); + } + } + src += block_size; + } + src_row += src_stride; + } +} + +void +util_format_latc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) +{ + util_format_rxtc2_snorm_pack_rgba_float(dst_row, dst_stride, src_row, src_stride, width, height, 3); +} + +void +util_format_latc2_snorm_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j) +{ + int8_t tmp_r, tmp_g; + + util_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2); + util_format_signed_fetch_texel_rgtc(0, (int8_t *)src + 8, i, j, &tmp_g, 2); + dst[0] = + dst[1] = + dst[2] = byte_to_float_tex(tmp_r); + dst[3] = byte_to_float_tex(tmp_g); +} + |