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use WEBP_DSP_INIT_FUNC for Init{GammaTables*,GetCoeffs}

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this provides stronger synchronization when pthreads are available as
was done in 'd77bf512 add WEBP_DSP_INIT / WEBP_DSP_INIT_FUNC' for the
other init functions.

Change-Id: I2ffe4e24454d276c2411ece34dca38d23d4756d5
This commit is contained in:
James Zern 2020-09-10 18:31:23 -07:00
parent 55a080e50a
commit cf847cba58
2 changed files with 9 additions and 9 deletions
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4
src/dec/vp8_dec.c
View File

@ -494,14 +494,12 @@ static int GetCoeffsAlt(VP8BitReader* const br,
return 16;
}
static WEBP_TSAN_IGNORE_FUNCTION void InitGetCoeffs(void) {
if (GetCoeffs == NULL) {
WEBP_DSP_INIT_FUNC(InitGetCoeffs) {
if (VP8GetCPUInfo != NULL && VP8GetCPUInfo(kSlowSSSE3)) {
GetCoeffs = GetCoeffsAlt;
} else {
GetCoeffs = GetCoeffsFast;
}
}
}
static WEBP_INLINE uint32_t NzCodeBits(uint32_t nz_coeffs, int nz, int dc_nz) {

6
src/enc/picture_csp_enc.c
View File

@ -90,8 +90,9 @@ int WebPPictureHasTransparency(const WebPPicture* picture) {
static int kLinearToGammaTab[kGammaTabSize + 1];
static uint16_t kGammaToLinearTab[256];
static volatile int kGammaTablesOk = 0;
static void InitGammaTables(void);
static WEBP_TSAN_IGNORE_FUNCTION void InitGammaTables(void) {
WEBP_DSP_INIT_FUNC(InitGammaTables) {
if (!kGammaTablesOk) {
int v;
const double scale = (double)(1 << kGammaTabFix) / kGammaScale;
@ -181,8 +182,9 @@ static uint32_t kLinearToGammaTabS[kGammaTabSize + 2];
#define GAMMA_TO_LINEAR_BITS 14
static uint32_t kGammaToLinearTabS[MAX_Y_T + 1]; // size scales with Y_FIX
static volatile int kGammaTablesSOk = 0;
static void InitGammaTablesS(void);
static WEBP_TSAN_IGNORE_FUNCTION void InitGammaTablesS(void) {
WEBP_DSP_INIT_FUNC(InitGammaTablesS) {
assert(2 * GAMMA_TO_LINEAR_BITS < 32); // we use uint32_t intermediate values
if (!kGammaTablesSOk) {
int v;