diff options
Diffstat (limited to 'thirdparty/libwebp/src/dsp/dsp.h')
| -rw-r--r-- | thirdparty/libwebp/src/dsp/dsp.h | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/thirdparty/libwebp/src/dsp/dsp.h b/thirdparty/libwebp/src/dsp/dsp.h index 99eefe092f..4ab77a5130 100644 --- a/thirdparty/libwebp/src/dsp/dsp.h +++ b/thirdparty/libwebp/src/dsp/dsp.h @@ -141,6 +141,42 @@ extern "C" { #endif #endif +#if defined(WEBP_USE_THREAD) && !defined(_WIN32) +#include <pthread.h> // NOLINT + +#define WEBP_DSP_INIT(func) do { \ + static volatile VP8CPUInfo func ## _last_cpuinfo_used = \ + (VP8CPUInfo)&func ## _last_cpuinfo_used; \ + static pthread_mutex_t func ## _lock = PTHREAD_MUTEX_INITIALIZER; \ + if (pthread_mutex_lock(&func ## _lock)) break; \ + if (func ## _last_cpuinfo_used != VP8GetCPUInfo) func(); \ + func ## _last_cpuinfo_used = VP8GetCPUInfo; \ + (void)pthread_mutex_unlock(&func ## _lock); \ +} while (0) +#else // !(defined(WEBP_USE_THREAD) && !defined(_WIN32)) +#define WEBP_DSP_INIT(func) do { \ + static volatile VP8CPUInfo func ## _last_cpuinfo_used = \ + (VP8CPUInfo)&func ## _last_cpuinfo_used; \ + if (func ## _last_cpuinfo_used == VP8GetCPUInfo) break; \ + func(); \ + func ## _last_cpuinfo_used = VP8GetCPUInfo; \ +} while (0) +#endif // defined(WEBP_USE_THREAD) && !defined(_WIN32) + +// Defines an Init + helper function that control multiple initialization of +// function pointers / tables. +/* Usage: + WEBP_DSP_INIT_FUNC(InitFunc) { + ...function body + } +*/ +#define WEBP_DSP_INIT_FUNC(name) \ + static WEBP_TSAN_IGNORE_FUNCTION void name ## _body(void); \ + WEBP_TSAN_IGNORE_FUNCTION void name(void) { \ + WEBP_DSP_INIT(name ## _body); \ + } \ + static WEBP_TSAN_IGNORE_FUNCTION void name ## _body(void) + #define WEBP_UBSAN_IGNORE_UNDEF #define WEBP_UBSAN_IGNORE_UNSIGNED_OVERFLOW #if defined(__clang__) && defined(__has_attribute) @@ -166,6 +202,13 @@ extern "C" { #define WEBP_SWAP_16BIT_CSP 0 #endif +// some endian fix (e.g.: mips-gcc doesn't define __BIG_ENDIAN__) +#if !defined(WORDS_BIGENDIAN) && \ + (defined(__BIG_ENDIAN__) || defined(_M_PPC) || \ + (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__))) +#define WORDS_BIGENDIAN +#endif + typedef enum { kSSE2, kSSE3, @@ -189,7 +232,7 @@ WEBP_EXTERN VP8CPUInfo VP8GetCPUInfo; // avoiding a compiler warning. #define WEBP_DSP_INIT_STUB(func) \ extern void func(void); \ - WEBP_TSAN_IGNORE_FUNCTION void func(void) {} + void func(void) {} //------------------------------------------------------------------------------ // Encoding @@ -578,6 +621,13 @@ void WebPMultRow_C(uint8_t* const ptr, const uint8_t* const alpha, int width, int inverse); void WebPMultARGBRow_C(uint32_t* const ptr, int width, int inverse); +#ifdef WORDS_BIGENDIAN +// ARGB packing function: a/r/g/b input is rgba or bgra order. +extern void (*WebPPackARGB)(const uint8_t* a, const uint8_t* r, + const uint8_t* g, const uint8_t* b, int len, + uint32_t* out); +#endif + // RGB packing function. 'step' can be 3 or 4. r/g/b input is rgb or bgr order. extern void (*WebPPackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b, int len, int step, uint32_t* out); |