| /************************************************************************** |
| * |
| * 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 |
| * 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 <stdio.h> |
| #include "u_math.h" |
| #include "u_format.h" |
| #include "u_format_rgtc.h" |
| #include "u_format_latc.h" |
| |
| static void u_format_unsigned_encode_rgtc_ubyte(uint8_t *blkaddr, uint8_t srccolors[4][4], |
| int numxpixels, int numypixels); |
| |
| static void u_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const uint8_t *pixdata, |
| unsigned i, unsigned j, uint8_t *value, unsigned comps); |
| |
| static void u_format_signed_encode_rgtc_ubyte(int8_t *blkaddr, int8_t srccolors[4][4], |
| int numxpixels, int numypixels); |
| |
| static void u_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const int8_t *pixdata, |
| unsigned i, unsigned j, int8_t *value, unsigned comps); |
| |
| void |
| util_format_latc1_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
| { |
| /* Fix warnings here: */ |
| (void) u_format_unsigned_encode_rgtc_ubyte; |
| (void) u_format_signed_encode_rgtc_ubyte; |
| |
| u_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; |
| u_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; |
| |
| u_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(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
| { |
| fprintf(stderr,"%s\n", __func__); |
| } |
| |
| void |
| util_format_latc1_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
| { |
| fprintf(stderr,"%s\n", __func__); |
| } |
| |
| void |
| util_format_latc1_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, 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; |
| u_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; |
| |
| u_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) |
| { |
| u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); |
| dst[1] = dst[0]; |
| dst[2] = dst[0]; |
| u_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; |
| u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); |
| u_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; |
| |
| u_format_unsigned_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); |
| u_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(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
| { |
| fprintf(stderr,"%s\n", __func__); |
| } |
| |
| void |
| util_format_latc2_snorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
| { |
| fprintf(stderr,"%s\n", __func__); |
| } |
| |
| void |
| util_format_latc2_snorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, 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; |
| u_format_signed_fetch_texel_rgtc(0, src, i, j, &tmp_r, 2); |
| u_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; |
| |
| u_format_signed_fetch_texel_rgtc(0, (int8_t *)src, i, j, &tmp_r, 2); |
| u_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); |
| } |
| |
| |
| #define TAG(x) u_format_unsigned_##x |
| #define TYPE uint8_t |
| #define T_MIN 0 |
| #define T_MAX 255 |
| |
| #include "../../../mesa/main/texcompress_rgtc_tmp.h" |
| |
| #undef TYPE |
| #undef TAG |
| #undef T_MIN |
| #undef T_MAX |
| |
| |
| #define TAG(x) u_format_signed_##x |
| #define TYPE int8_t |
| #define T_MIN (int8_t)-128 |
| #define T_MAX (int8_t)127 |
| |
| #include "../../../mesa/main/texcompress_rgtc_tmp.h" |
| |
| #undef TYPE |
| #undef TAG |
| #undef T_MIN |
| #undef T_MAX |