diff options
Diffstat (limited to 'thirdparty/basis_universal/encoder/basisu_etc.h')
| -rw-r--r-- | thirdparty/basis_universal/encoder/basisu_etc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/thirdparty/basis_universal/encoder/basisu_etc.h b/thirdparty/basis_universal/encoder/basisu_etc.h index 1e3ece43b8..208f2aac1b 100644 --- a/thirdparty/basis_universal/encoder/basisu_etc.h +++ b/thirdparty/basis_universal/encoder/basisu_etc.h @@ -490,6 +490,35 @@ namespace basisu return dc; } + void get_block_colors_etc1s(color_rgba* pBlock_colors) const + { + color_rgba b; + + unpack_color5(b, get_base5_color(), true); + + const int* pInten_table = g_etc1_inten_tables[get_inten_table(0)]; + + pBlock_colors[0].set(clamp255(b.r + pInten_table[0]), clamp255(b.g + pInten_table[0]), clamp255(b.b + pInten_table[0]), 255); + pBlock_colors[1].set(clamp255(b.r + pInten_table[1]), clamp255(b.g + pInten_table[1]), clamp255(b.b + pInten_table[1]), 255); + pBlock_colors[2].set(clamp255(b.r + pInten_table[2]), clamp255(b.g + pInten_table[2]), clamp255(b.b + pInten_table[2]), 255); + pBlock_colors[3].set(clamp255(b.r + pInten_table[3]), clamp255(b.g + pInten_table[3]), clamp255(b.b + pInten_table[3]), 255); + } + + static void get_block_colors_etc1s(color_rgba* pBlock_colors, const color_rgba &base5_color, uint32_t inten_table) + { + color_rgba b; + b.r = (base5_color.r << 3U) | (base5_color.r >> 2U); + b.g = (base5_color.g << 3U) | (base5_color.g >> 2U); + b.b = (base5_color.b << 3U) | (base5_color.b >> 2U); + + const int* pInten_table = g_etc1_inten_tables[inten_table]; + + pBlock_colors[0].set(clamp255(b.r + pInten_table[0]), clamp255(b.g + pInten_table[0]), clamp255(b.b + pInten_table[0]), 255); + pBlock_colors[1].set(clamp255(b.r + pInten_table[1]), clamp255(b.g + pInten_table[1]), clamp255(b.b + pInten_table[1]), 255); + pBlock_colors[2].set(clamp255(b.r + pInten_table[2]), clamp255(b.g + pInten_table[2]), clamp255(b.b + pInten_table[2]), 255); + pBlock_colors[3].set(clamp255(b.r + pInten_table[3]), clamp255(b.g + pInten_table[3]), clamp255(b.b + pInten_table[3]), 255); + } + void get_block_color(color_rgba& color, uint32_t subblock_index, uint32_t selector_index) const { color_rgba b; |