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Classes | |
| class | LLGroupHeader |
| class | LLPatchHeader |
Defines | |
| #define | _PATCH_SIZE_16_AND_32_ONLY |
Functions | |
| void | init_patch_compressor (S32 patch_size, S32 patch_stride, S32 layer_type) |
| void | prescan_patch (F32 *patch, LLPatchHeader *php, F32 &zmax, F32 &zmin) |
| void | compress_patch (F32 *patch, S32 *cpatch, LLPatchHeader *php, S32 prequant) |
| void | get_patch_group_header (LLGroupHeader *gopp) |
| void | set_group_of_patch_header (LLGroupHeader *gopp) |
| void | init_patch_decompressor (S32 size) |
| void | decompress_patch (F32 *patch, S32 *cpatch, LLPatchHeader *ph) |
| void | decompress_patchv (LLVector3 *v, S32 *cpatch, LLPatchHeader *ph) |
Variables | |
| const U8 | ZERO_CODE = 0x0 |
| const U8 | ZERO_EOB = 0x2 |
| const U8 | POSITIVE_VALUE = 0x6 |
| const U8 | NEGATIVE_VALUE = 0x7 |
| const S8 | NORMAL_PATCH_SIZE = 16 |
| const S8 | LARGE_PATCH_SIZE = 32 |
| const U8 | END_OF_PATCHES = 97 |
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Definition in file patch_dct.h.
| #define _PATCH_SIZE_16_AND_32_ONLY |
Definition at line 48 of file patch_dct.h.
| void compress_patch | ( | F32 * | patch, | |
| S32 * | cpatch, | |||
| LLPatchHeader * | php, | |||
| S32 | prequant | |||
| ) |
Definition at line 729 of file patch_dct.cpp.
References LLPatchHeader::dc_offset, dct_patch(), dct_patch_large(), gPatchCompressGlobalData, i, j, LARGE_PATCH_SIZE, s_patch_compress_global_data::patch_size, s_patch_compress_global_data::patch_stride, LLPatchHeader::quant_wbits, range, LLPatchHeader::range, S32, size, and stride.
| void decompress_patch | ( | F32 * | patch, | |
| S32 * | cpatch, | |||
| LLPatchHeader * | ph | |||
| ) |
Definition at line 596 of file patch_idct.cpp.
References LLPatchHeader::dc_offset, gDeCopyMatrix, gGOPP, gPatchDequantizeTable, i, idct_patch(), idct_patch_large(), j, LARGE_PATCH_SIZE, LLGroupHeader::patch_size, LLPatchHeader::quant_wbits, range, LLPatchHeader::range, S32, size, stride, and LLGroupHeader::stride.
Referenced by LLWind::decompress(), LLCloudLayer::decompress(), and LLSurface::decompressDCTPatch().
| void decompress_patchv | ( | LLVector3 * | v, | |
| S32 * | cpatch, | |||
| LLPatchHeader * | ph | |||
| ) |
Definition at line 644 of file patch_idct.cpp.
References LLPatchHeader::dc_offset, gDeCopyMatrix, gGOPP, gPatchDequantizeTable, i, idct_patch(), idct_patch_large(), j, LARGE_PATCH_SIZE, LLGroupHeader::patch_size, LLPatchHeader::quant_wbits, range, LLPatchHeader::range, S32, size, stride, LLGroupHeader::stride, v, and VZ.
| void get_patch_group_header | ( | LLGroupHeader * | gopp | ) |
Definition at line 155 of file patch_dct.cpp.
References build_copy_matrix(), build_patch_quantize_table(), s_patch_compress_global_data::charptr, gCurrentSize, gPatchCompressGlobalData, s_patch_compress_global_data::layer_type, s_patch_compress_global_data::patch_size, s_patch_compress_global_data::patch_stride, and setup_patch_cosines().
Definition at line 143 of file patch_idct.cpp.
References build_decopy_matrix(), build_patch_dequantize_table(), gCurrentDeSize, and setup_patch_icosines().
Referenced by LLWind::decompress(), LLCloudLayer::decompress(), and LLSurface::decompressDCTPatch().
| void prescan_patch | ( | F32 * | patch, | |
| LLPatchHeader * | php, | |||
| F32 & | zmax, | |||
| F32 & | zmin | |||
| ) |
Definition at line 174 of file patch_dct.cpp.
References LLPatchHeader::dc_offset, f, gPatchCompressGlobalData, i, j, s_patch_compress_global_data::patch_size, s_patch_compress_global_data::patch_stride, LLPatchHeader::range, S32, size, and stride.
| void set_group_of_patch_header | ( | LLGroupHeader * | gopp | ) |
Definition at line 41 of file patch_idct.cpp.
References gGOPP.
Referenced by LLWind::decompress(), LLCloudLayer::decompress(), and LLSurface::decompressDCTPatch().
| const U8 END_OF_PATCHES = 97 |
Definition at line 46 of file patch_dct.h.
Referenced by code_end_of_data(), decode_patch_header(), and LLSurface::decompressDCTPatch().
| const S8 LARGE_PATCH_SIZE = 32 |
Definition at line 44 of file patch_dct.h.
Referenced by compress_patch(), dct_column_large(), dct_line_large(), dct_patch_large(), decompress_patch(), decompress_patchv(), LLSurface::decompressDCTPatch(), idct_column_large(), idct_column_large_slow(), idct_line_large(), idct_line_large_slow(), idct_patch(), and idct_patch_large().
| const U8 NEGATIVE_VALUE = 0x7 |
| const S8 NORMAL_PATCH_SIZE = 16 |
Definition at line 43 of file patch_dct.h.
Referenced by dct_column(), dct_line(), dct_patch(), idct_column(), idct_column_large(), and idct_line().
| const U8 POSITIVE_VALUE = 0x6 |
1.4.7