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-rw-r--r--src/3rdparty/libwebp/src/dsp/dsp.h88
1 files changed, 64 insertions, 24 deletions
diff --git a/src/3rdparty/libwebp/src/dsp/dsp.h b/src/3rdparty/libwebp/src/dsp/dsp.h
index 6df48cf..35085e0 100644
--- a/src/3rdparty/libwebp/src/dsp/dsp.h
+++ b/src/3rdparty/libwebp/src/dsp/dsp.h
@@ -27,6 +27,23 @@ extern "C" {
#define BPS 32 // this is the common stride for enc/dec
//------------------------------------------------------------------------------
+// WEBP_RESTRICT
+
+// Declares a pointer with the restrict type qualifier if available.
+// This allows code to hint to the compiler that only this pointer references a
+// particular object or memory region within the scope of the block in which it
+// is declared. This may allow for improved optimizations due to the lack of
+// pointer aliasing. See also:
+// https://en.cppreference.com/w/c/language/restrict
+#if defined(__GNUC__)
+#define WEBP_RESTRICT __restrict__
+#elif defined(_MSC_VER)
+#define WEBP_RESTRICT __restrict
+#else
+#define WEBP_RESTRICT
+#endif
+
+//------------------------------------------------------------------------------
// CPU detection
#if defined(__GNUC__)
@@ -67,21 +84,31 @@ extern "C" {
// files without intrinsics, allowing the corresponding Init() to be called.
// Files containing intrinsics will need to be built targeting the instruction
// set so should succeed on one of the earlier tests.
-#if defined(__SSE2__) || defined(WEBP_MSC_SSE2) || defined(WEBP_HAVE_SSE2)
+#if (defined(__SSE2__) || defined(WEBP_MSC_SSE2)) && \
+ (!defined(HAVE_CONFIG_H) || defined(WEBP_HAVE_SSE2))
#define WEBP_USE_SSE2
#endif
-#if defined(__SSE4_1__) || defined(WEBP_MSC_SSE41) || defined(WEBP_HAVE_SSE41)
+#if defined(WEBP_USE_SSE2) && !defined(WEBP_HAVE_SSE2)
+#define WEBP_HAVE_SSE2
+#endif
+
+#if (defined(__SSE4_1__) || defined(WEBP_MSC_SSE41)) && \
+ (!defined(HAVE_CONFIG_H) || defined(WEBP_HAVE_SSE41))
#define WEBP_USE_SSE41
#endif
+#if defined(WEBP_USE_SSE41) && !defined(WEBP_HAVE_SSE41)
+#define WEBP_HAVE_SSE41
+#endif
+
#undef WEBP_MSC_SSE41
#undef WEBP_MSC_SSE2
// The intrinsics currently cause compiler errors with arm-nacl-gcc and the
// inline assembly would need to be modified for use with Native Client.
-#if (defined(__ARM_NEON__) || \
- defined(__aarch64__) || defined(WEBP_HAVE_NEON)) && \
+#if ((defined(__ARM_NEON__) || defined(__aarch64__)) && \
+ (!defined(HAVE_CONFIG_H) || defined(WEBP_HAVE_NEON))) && \
!defined(__native_client__)
#define WEBP_USE_NEON
#endif
@@ -97,6 +124,10 @@ extern "C" {
#define WEBP_USE_INTRINSICS
#endif
+#if defined(WEBP_USE_NEON) && !defined(WEBP_HAVE_NEON)
+#define WEBP_HAVE_NEON
+#endif
+
#if defined(__mips__) && !defined(__mips64) && \
defined(__mips_isa_rev) && (__mips_isa_rev >= 1) && (__mips_isa_rev < 6)
#define WEBP_USE_MIPS32
@@ -116,7 +147,7 @@ extern "C" {
#define WEBP_DSP_OMIT_C_CODE 1
#endif
-#if (defined(__aarch64__) || defined(__ARM_NEON__)) && WEBP_DSP_OMIT_C_CODE
+#if defined(WEBP_USE_NEON) && WEBP_DSP_OMIT_C_CODE
#define WEBP_NEON_OMIT_C_CODE 1
#else
#define WEBP_NEON_OMIT_C_CODE 0
@@ -578,26 +609,29 @@ extern void (*WebPApplyAlphaMultiply4444)(
// Dispatch the values from alpha[] plane to the ARGB destination 'dst'.
// Returns true if alpha[] plane has non-trivial values different from 0xff.
-extern int (*WebPDispatchAlpha)(const uint8_t* alpha, int alpha_stride,
- int width, int height,
- uint8_t* dst, int dst_stride);
+extern int (*WebPDispatchAlpha)(const uint8_t* WEBP_RESTRICT alpha,
+ int alpha_stride, int width, int height,
+ uint8_t* WEBP_RESTRICT dst, int dst_stride);
// Transfer packed 8b alpha[] values to green channel in dst[], zero'ing the
// A/R/B values. 'dst_stride' is the stride for dst[] in uint32_t units.
-extern void (*WebPDispatchAlphaToGreen)(const uint8_t* alpha, int alpha_stride,
- int width, int height,
- uint32_t* dst, int dst_stride);
+extern void (*WebPDispatchAlphaToGreen)(const uint8_t* WEBP_RESTRICT alpha,
+ int alpha_stride, int width, int height,
+ uint32_t* WEBP_RESTRICT dst,
+ int dst_stride);
// Extract the alpha values from 32b values in argb[] and pack them into alpha[]
// (this is the opposite of WebPDispatchAlpha).
// Returns true if there's only trivial 0xff alpha values.
-extern int (*WebPExtractAlpha)(const uint8_t* argb, int argb_stride,
- int width, int height,
- uint8_t* alpha, int alpha_stride);
+extern int (*WebPExtractAlpha)(const uint8_t* WEBP_RESTRICT argb,
+ int argb_stride, int width, int height,
+ uint8_t* WEBP_RESTRICT alpha,
+ int alpha_stride);
// Extract the green values from 32b values in argb[] and pack them into alpha[]
// (this is the opposite of WebPDispatchAlphaToGreen).
-extern void (*WebPExtractGreen)(const uint32_t* argb, uint8_t* alpha, int size);
+extern void (*WebPExtractGreen)(const uint32_t* WEBP_RESTRICT argb,
+ uint8_t* WEBP_RESTRICT alpha, int size);
// Pre-Multiply operation transforms x into x * A / 255 (where x=Y,R,G or B).
// Un-Multiply operation transforms x into x * 255 / A.
@@ -610,29 +644,35 @@ void WebPMultARGBRows(uint8_t* ptr, int stride, int width, int num_rows,
int inverse);
// Same for a row of single values, with side alpha values.
-extern void (*WebPMultRow)(uint8_t* const ptr, const uint8_t* const alpha,
+extern void (*WebPMultRow)(uint8_t* WEBP_RESTRICT const ptr,
+ const uint8_t* WEBP_RESTRICT const alpha,
int width, int inverse);
// Same a WebPMultRow(), but for several 'num_rows' rows.
-void WebPMultRows(uint8_t* ptr, int stride,
- const uint8_t* alpha, int alpha_stride,
+void WebPMultRows(uint8_t* WEBP_RESTRICT ptr, int stride,
+ const uint8_t* WEBP_RESTRICT alpha, int alpha_stride,
int width, int num_rows, int inverse);
// Plain-C versions, used as fallback by some implementations.
-void WebPMultRow_C(uint8_t* const ptr, const uint8_t* const alpha,
+void WebPMultRow_C(uint8_t* WEBP_RESTRICT const ptr,
+ const uint8_t* WEBP_RESTRICT 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);
+extern void (*WebPPackARGB)(const uint8_t* WEBP_RESTRICT a,
+ const uint8_t* WEBP_RESTRICT r,
+ const uint8_t* WEBP_RESTRICT g,
+ const uint8_t* WEBP_RESTRICT b,
+ int len, uint32_t* WEBP_RESTRICT 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);
+extern void (*WebPPackRGB)(const uint8_t* WEBP_RESTRICT r,
+ const uint8_t* WEBP_RESTRICT g,
+ const uint8_t* WEBP_RESTRICT b,
+ int len, int step, uint32_t* WEBP_RESTRICT out);
// This function returns true if src[i] contains a value different from 0xff.
extern int (*WebPHasAlpha8b)(const uint8_t* src, int length);
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-10 06:52:05 +0000