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add WEBP_DSP_INIT / WEBP_DSP_INIT_FUNC

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this internalizes the init checks and provides stronger synchronization
with pthreads when available while still allowing VP8GetCPUInfo to be
modified (mostly for testing purposes). windows is left as is since a
critical section or mutex would cause a leak.

Change-Id: Ieb997e014f2805c0ae39c16f13337663521356f4
This commit is contained in:
James Zern
2018-04-16 20:19:54 -07:00
committed by Pascal Massimino
parent e122e511cf
commit d77bf512bd
15 changed files with 54 additions and 104 deletions
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4
src/enc/picture_csp_enc.c
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@ -126,7 +126,7 @@ static WEBP_INLINE int LinearToGamma(uint32_t base_value, int shift) {
#else
static WEBP_TSAN_IGNORE_FUNCTION void InitGammaTables(void) {}
static void InitGammaTables(void) {}
static WEBP_INLINE uint32_t GammaToLinear(uint8_t v) { return v; }
static WEBP_INLINE int LinearToGamma(uint32_t base_value, int shift) {
return (int)(base_value << shift);
@ -238,7 +238,7 @@ static WEBP_INLINE uint32_t LinearToGammaS(uint32_t value) {
#else
static WEBP_TSAN_IGNORE_FUNCTION void InitGammaTablesS(void) {}
static void InitGammaTablesS(void) {}
static WEBP_INLINE uint32_t GammaToLinearS(int v) {
return (v << GAMMA_TO_LINEAR_BITS) / MAX_Y_T;
}