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alpha_processing: fix visual studio warnings

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similar to '* const', __restrict needs to be included in the
declaration to avoid warnings like:
src\dsp\alpha_processing.c(429): warning C4028: formal parameter 1
different from declaration

this change also moves WEBP_RESTRICT to dsp.h to avoid a circular
dependency between it and utils.h which already includes dsp.h

Change-Id: Ib070d358a372e76fae4be5445ab288940b9baac0
This commit is contained in:
James Zern
2021-07-09 11:33:50 -07:00
parent 298d26eac2
commit 8f5946634e
6 changed files with 59 additions and 49 deletions
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17
src/utils/utils.h
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@ -29,23 +29,6 @@
extern "C" {
#endif
//------------------------------------------------------------------------------
// 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
//------------------------------------------------------------------------------
// Memory allocation