diff options
Diffstat (limited to 'thirdparty/basis_universal/transcoder/basisu.h')
| -rw-r--r-- | thirdparty/basis_universal/transcoder/basisu.h | 105 |
1 files changed, 99 insertions, 6 deletions
diff --git a/thirdparty/basis_universal/transcoder/basisu.h b/thirdparty/basis_universal/transcoder/basisu.h index 1230b59ec6..939ee79e62 100644 --- a/thirdparty/basis_universal/transcoder/basisu.h +++ b/thirdparty/basis_universal/transcoder/basisu.h @@ -1,5 +1,5 @@ // basisu.h -// Copyright (C) 2019-2021 Binomial LLC. All Rights Reserved. +// Copyright (C) 2019-2024 Binomial LLC. All Rights Reserved. // Important: If compiling with gcc, be sure strict aliasing is disabled: -fno-strict-aliasing // // Licensed under the Apache License, Version 2.0 (the "License"); @@ -117,13 +117,26 @@ namespace basisu typedef basisu::vector<uint64_t> uint64_vec; typedef basisu::vector<int> int_vec; typedef basisu::vector<bool> bool_vec; + typedef basisu::vector<float> float_vec; void enable_debug_printf(bool enabled); void debug_printf(const char *pFmt, ...); - +#ifndef __EMSCRIPTEN__ +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wclass-memaccess" +#endif +#endif + template <typename T> inline void clear_obj(T& obj) { memset(&obj, 0, sizeof(obj)); } +#ifndef __EMSCRIPTEN__ +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif +#endif + template <typename T0, typename T1> inline T0 lerp(T0 a, T0 b, T1 c) { return a + (b - a) * c; } template <typename S> inline S maximum(S a, S b) { return (a > b) ? a : b; } @@ -162,10 +175,45 @@ namespace basisu template<typename T> inline T open_range_check(T v, T minv, T maxv) { assert(v >= minv && v < maxv); BASISU_NOTE_UNUSED(minv); BASISU_NOTE_UNUSED(maxv); return v; } template<typename T> inline T open_range_check(T v, T maxv) { assert(v < maxv); BASISU_NOTE_UNUSED(maxv); return v; } + // Open interval + inline bool in_bounds(int v, int l, int h) + { + return (v >= l) && (v < h); + } + + // Closed interval + inline bool in_range(int v, int l, int h) + { + return (v >= l) && (v <= h); + } + inline uint32_t total_bits(uint32_t v) { uint32_t l = 0; for ( ; v > 0U; ++l) v >>= 1; return l; } template<typename T> inline T saturate(T val) { return clamp(val, 0.0f, 1.0f); } + inline uint32_t get_bit(uint32_t src, int ndx) + { + assert(in_bounds(ndx, 0, 32)); + return (src >> ndx) & 1; + } + + inline bool is_bit_set(uint32_t src, int ndx) + { + return get_bit(src, ndx) != 0; + } + + inline uint32_t get_bits(uint32_t val, int low, int high) + { + const int num_bits = (high - low) + 1; + assert(in_range(num_bits, 1, 32)); + + val >>= low; + if (num_bits != 32) + val &= ((1u << num_bits) - 1); + + return val; + } + template<typename T, typename R> inline void append_vector(T &vec, const R *pObjs, size_t n) { if (n) @@ -267,6 +315,11 @@ namespace basisu return true; } + static inline uint32_t read_le_word(const uint8_t* pBytes) + { + return (pBytes[1] << 8U) | (pBytes[0]); + } + static inline uint32_t read_le_dword(const uint8_t *pBytes) { return (pBytes[3] << 24U) | (pBytes[2] << 16U) | (pBytes[1] << 8U) | (pBytes[0]); @@ -303,6 +356,10 @@ namespace basisu return *this; } +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Warray-bounds" +#endif inline operator uint32_t() const { switch (NumBytes) @@ -354,6 +411,9 @@ namespace basisu } } } +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif }; enum eZero { cZero }; @@ -402,8 +462,11 @@ namespace basisu cBC3, // DXT5 (BC4/DXT5A block followed by a BC1/DXT1 block) cBC4, // DXT5A cBC5, // 3DC/DXN (two BC4/DXT5A blocks) + cBC6HSigned, // HDR + cBC6HUnsigned, // HDR cBC7, - cASTC4x4, // LDR only + cASTC_LDR_4x4, // ASTC 4x4 LDR only + cASTC_HDR_4x4, // ASTC 4x4 HDR only (but may use LDR ASTC blocks internally) cPVRTC1_4_RGB, cPVRTC1_4_RGBA, cATC_RGB, @@ -413,17 +476,22 @@ namespace basisu cETC2_R11_EAC, cETC2_RG11_EAC, cUASTC4x4, + cUASTC_HDR_4x4, cBC1_NV, cBC1_AMD, - + // Uncompressed/raw pixels cRGBA32, cRGB565, cBGR565, cRGBA4444, - cABGR4444 + cABGR4444, + cRGBA_HALF, + cRGB_HALF, + cRGB_9E5 }; + // This is bytes per block for GPU formats, or bytes per texel for uncompressed formats. inline uint32_t get_bytes_per_block(texture_format fmt) { switch (fmt) @@ -443,13 +511,27 @@ namespace basisu case texture_format::cETC2_R11_EAC: return 8; case texture_format::cRGBA32: - return sizeof(uint32_t) * 16; + case texture_format::cRGB_9E5: + return sizeof(uint32_t); + case texture_format::cRGB_HALF: + return sizeof(uint16_t) * 3; + case texture_format::cRGBA_HALF: + return sizeof(uint16_t) * 4; + case texture_format::cRGB565: + case texture_format::cBGR565: + case texture_format::cRGBA4444: + case texture_format::cABGR4444: + return sizeof(uint16_t); + default: break; } + + // Everything else is 16 bytes/block. return 16; } + // This is qwords per block for GPU formats, or not valid for uncompressed formats. inline uint32_t get_qwords_per_block(texture_format fmt) { return get_bytes_per_block(fmt) >> 3; @@ -473,6 +555,17 @@ namespace basisu BASISU_NOTE_UNUSED(fmt); return 4; } + + inline bool is_hdr_texture_format(texture_format fmt) + { + if (fmt == texture_format::cASTC_HDR_4x4) + return true; + if (fmt == texture_format::cUASTC_HDR_4x4) + return true; + if ((fmt == texture_format::cBC6HSigned) || (fmt == texture_format::cBC6HUnsigned)) + return true; + return false; + } } // namespace basisu |