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/************************************************************************** |
* |
* 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 "u_math.h" |
#include "u_format.h" |
#include "u_format_rgtc.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_rgtc1_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, 1); |
dst[1] = 0; |
dst[2] = 0; |
dst[3] = 255; |
} |
|
void |
util_format_rgtc1_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
{ |
const unsigned bw = 4, bh = 4, comps = 4; |
unsigned x, y, i, j; |
unsigned block_size = 8; |
|
for(y = 0; y < height; y += bh) { |
const uint8_t *src = src_row; |
for(x = 0; x < width; x += bw) { |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps; |
u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 1); |
dst[1] = 0; |
dst[2] = 0; |
dst[3] = 255; |
} |
} |
src += block_size; |
} |
src_row += src_stride; |
} |
} |
|
void |
util_format_rgtc1_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, |
unsigned src_stride, unsigned width, unsigned height) |
{ |
const unsigned bw = 4, bh = 4, bytes_per_block = 8; |
unsigned x, y, i, j; |
|
for(y = 0; y < height; y += bh) { |
uint8_t *dst = dst_row; |
for(x = 0; x < width; x += bw) { |
uint8_t tmp[4][4]; /* [bh][bw][comps] */ |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
tmp[j][i] = src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]; |
} |
} |
u_format_unsigned_encode_rgtc_ubyte(dst, tmp, 4, 4); |
dst += bytes_per_block; |
} |
dst_row += dst_stride / sizeof(*dst_row); |
} |
} |
|
void |
util_format_rgtc1_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] = ubyte_to_float(tmp_r); |
dst[1] = 0.0; |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
} |
src += block_size; |
} |
src_row += src_stride; |
} |
} |
|
void |
util_format_rgtc1_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
{ |
const unsigned bw = 4, bh = 4, bytes_per_block = 8; |
unsigned x, y, i, j; |
|
for(y = 0; y < height; y += bh) { |
uint8_t *dst = dst_row; |
for(x = 0; x < width; x += bw) { |
uint8_t tmp[4][4]; /* [bh][bw][comps] */ |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
tmp[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]); |
} |
} |
u_format_unsigned_encode_rgtc_ubyte(dst, tmp, 4, 4); |
dst += bytes_per_block; |
} |
dst_row += dst_stride / sizeof(*dst_row); |
} |
} |
|
void |
util_format_rgtc1_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] = ubyte_to_float(tmp_r); |
dst[1] = 0.0; |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
|
void |
util_format_rgtc1_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
{ |
fprintf(stderr,"%s\n", __func__); |
} |
|
void |
util_format_rgtc1_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_rgtc1_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_rgtc1_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height) |
{ |
const unsigned bw = 4, bh = 4, bytes_per_block = 8; |
unsigned x, y, i, j; |
|
for(y = 0; y < height; y += bh) { |
int8_t *dst = (int8_t *)dst_row; |
for(x = 0; x < width; x += bw) { |
int8_t tmp[4][4]; /* [bh][bw][comps] */ |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
tmp[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]); |
} |
} |
u_format_signed_encode_rgtc_ubyte(dst, tmp, 4, 4); |
dst += bytes_per_block; |
} |
dst_row += dst_stride / sizeof(*dst_row); |
} |
} |
|
void |
util_format_rgtc1_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] = byte_to_float_tex(tmp_r); |
dst[1] = 0.0; |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
} |
src += block_size; |
} |
src_row += src_stride; |
} |
} |
|
void |
util_format_rgtc1_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] = byte_to_float_tex(tmp_r); |
dst[1] = 0.0; |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
|
|
void |
util_format_rgtc2_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); |
u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2); |
dst[2] = 0; |
dst[3] = 255; |
} |
|
void |
util_format_rgtc2_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
{ |
const unsigned bw = 4, bh = 4, comps = 4; |
unsigned x, y, i, j; |
unsigned block_size = 16; |
|
for(y = 0; y < height; y += bh) { |
const uint8_t *src = src_row; |
for(x = 0; x < width; x += bw) { |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
uint8_t *dst = dst_row + (y + j)*dst_stride/sizeof(*dst_row) + (x + i)*comps; |
u_format_unsigned_fetch_texel_rgtc(0, src, i, j, dst, 2); |
u_format_unsigned_fetch_texel_rgtc(0, src + 8, i, j, dst + 1, 2); |
dst[2] = 0; |
dst[3] = 255; |
} |
} |
src += block_size; |
} |
src_row += src_stride; |
} |
} |
|
void |
util_format_rgtc2_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height) |
{ |
const unsigned bw = 4, bh = 4, bytes_per_block = 16; |
unsigned x, y, i, j; |
|
for(y = 0; y < height; y += bh) { |
uint8_t *dst = dst_row; |
for(x = 0; x < width; x += bw) { |
uint8_t tmp_r[4][4]; /* [bh][bw] */ |
uint8_t tmp_g[4][4]; /* [bh][bw] */ |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
tmp_r[j][i] = src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]; |
tmp_g[j][i] = src_row[((y + j)*src_stride/sizeof(*src_row) + (x + i)*4) + 1]; |
} |
} |
u_format_unsigned_encode_rgtc_ubyte(dst, tmp_r, 4, 4); |
u_format_unsigned_encode_rgtc_ubyte(dst + 8, tmp_g, 4, 4); |
dst += bytes_per_block; |
} |
dst_row += dst_stride / sizeof(*dst_row); |
} |
} |
|
void |
util_format_rxtc2_unorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height, unsigned chan2off) |
{ |
const unsigned bw = 4, bh = 4, bytes_per_block = 16; |
unsigned x, y, i, j; |
|
for(y = 0; y < height; y += bh) { |
uint8_t *dst = dst_row; |
for(x = 0; x < width; x += bw) { |
uint8_t tmp_r[4][4]; /* [bh][bw][comps] */ |
uint8_t tmp_g[4][4]; /* [bh][bw][comps] */ |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
tmp_r[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]); |
tmp_g[j][i] = float_to_ubyte(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4 + chan2off]); |
} |
} |
u_format_unsigned_encode_rgtc_ubyte(dst, tmp_r, 4, 4); |
u_format_unsigned_encode_rgtc_ubyte(dst + 8, tmp_g, 4, 4); |
dst += bytes_per_block; |
} |
dst_row += dst_stride / sizeof(*dst_row); |
} |
} |
|
void |
util_format_rgtc2_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, 1); |
} |
|
void |
util_format_rgtc2_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] = ubyte_to_float(tmp_r); |
dst[1] = ubyte_to_float(tmp_g); |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
} |
src += block_size; |
} |
src_row += src_stride; |
} |
} |
|
void |
util_format_rgtc2_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] = ubyte_to_float(tmp_r); |
dst[1] = ubyte_to_float(tmp_g); |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
|
|
void |
util_format_rgtc2_snorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j) |
{ |
fprintf(stderr,"%s\n", __func__); |
} |
|
void |
util_format_rgtc2_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_rgtc2_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_rgtc2_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] = byte_to_float_tex(tmp_r); |
dst[1] = byte_to_float_tex(tmp_g); |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
} |
src += block_size; |
} |
src_row += src_stride; |
} |
} |
|
void |
util_format_rxtc2_snorm_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned height, unsigned chan2off) |
{ |
const unsigned bw = 4, bh = 4, bytes_per_block = 16; |
unsigned x, y, i, j; |
|
for(y = 0; y < height; y += bh) { |
int8_t *dst = (int8_t *)dst_row; |
for(x = 0; x < width; x += bw) { |
int8_t tmp_r[4][4]; /* [bh][bw][comps] */ |
int8_t tmp_g[4][4]; /* [bh][bw][comps] */ |
for(j = 0; j < bh; ++j) { |
for(i = 0; i < bw; ++i) { |
tmp_r[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4]); |
tmp_g[j][i] = float_to_byte_tex(src_row[(y + j)*src_stride/sizeof(*src_row) + (x + i)*4 + chan2off]); |
} |
} |
u_format_signed_encode_rgtc_ubyte(dst, tmp_r, 4, 4); |
u_format_signed_encode_rgtc_ubyte(dst + 8, tmp_g, 4, 4); |
dst += bytes_per_block; |
} |
dst_row += dst_stride / sizeof(*dst_row); |
} |
} |
|
void |
util_format_rgtc2_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, 1); |
} |
|
void |
util_format_rgtc2_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] = byte_to_float_tex(tmp_r); |
dst[1] = byte_to_float_tex(tmp_g); |
dst[2] = 0.0; |
dst[3] = 1.0; |
} |
|
|
#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 |