Import,RGBA: fix for BigEndian import

+ simplification of the logic

Change-Id: Ia20ce844793ed35ea03a17cef45838f3d0ae4afa
This commit is contained in:
Pascal Massimino
2018-02-15 21:44:39 -08:00
committed by James Zern
parent 3005237a5d
commit 3b07d32712
5 changed files with 104 additions and 20 deletions

View File

@ -366,6 +366,16 @@ static WEBP_INLINE uint32_t MakeARGB32(int a, int r, int g, int b) {
return (((uint32_t)a << 24) | (r << 16) | (g << 8) | b);
}
#ifdef WORDS_BIGENDIAN
static void PackARGB_C(const uint8_t* a, const uint8_t* r, const uint8_t* g,
const uint8_t* b, int len, uint32_t* out) {
int i;
for (i = 0; i < len; ++i) {
out[i] = MakeARGB32(a[4 * i], r[4 * i], g[4 * i], b[4 * i]);
}
}
#endif
static void PackRGB_C(const uint8_t* r, const uint8_t* g, const uint8_t* b,
int len, int step, uint32_t* out) {
int i, offset = 0;
@ -381,6 +391,10 @@ int (*WebPDispatchAlpha)(const uint8_t*, int, int, int, uint8_t*, int);
void (*WebPDispatchAlphaToGreen)(const uint8_t*, int, int, int, uint32_t*, int);
int (*WebPExtractAlpha)(const uint8_t*, int, int, int, uint8_t*, int);
void (*WebPExtractGreen)(const uint32_t* argb, uint8_t* alpha, int size);
#ifdef WORDS_BIGENDIAN
void (*WebPPackARGB)(const uint8_t* a, const uint8_t* r, const uint8_t* g,
const uint8_t* b, int, uint32_t*);
#endif
void (*WebPPackRGB)(const uint8_t* r, const uint8_t* g, const uint8_t* b,
int len, int step, uint32_t* out);
@ -405,6 +419,9 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessing(void) {
WebPMultRow = WebPMultRow_C;
WebPApplyAlphaMultiply4444 = ApplyAlphaMultiply_16b_C;
#ifdef WORDS_BIGENDIAN
WebPPackARGB = PackARGB_C;
#endif
WebPPackRGB = PackRGB_C;
#if !WEBP_NEON_OMIT_C_CODE
WebPApplyAlphaMultiply = ApplyAlphaMultiply_C;
@ -451,6 +468,9 @@ WEBP_TSAN_IGNORE_FUNCTION void WebPInitAlphaProcessing(void) {
assert(WebPDispatchAlphaToGreen != NULL);
assert(WebPExtractAlpha != NULL);
assert(WebPExtractGreen != NULL);
#ifdef WORDS_BIGENDIAN
assert(WebPPackARGB != NULL);
#endif
assert(WebPPackRGB != NULL);
assert(WebPHasAlpha8b != NULL);
assert(WebPHasAlpha32b != NULL);