dave/openttd
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Blitter: Use 32 bit memset where available

Browse Source 
Fix Blitter_40bppAnim::SetRect
This commit is contained in:
Jonathan G Rennison
2023-08-14 13:33:33 +01:00
parent 79509b76a6
commit 2f692a794f
4 changed files with 40 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
src/blitter/common.hpp
View File

@@ -14,6 +14,14 @@
#include "../core/math_func.hpp"
#include <utility>
#include <wchar.h>
#ifdef __APPLE__
#include <string.h>
#endif
/** Cached black value. */
static const Colour _black_colour(0, 0, 0);
template <typename SetPixelT>
void Blitter::DrawLineGeneric(int x1, int y1, int x2, int y2, int screen_width, int screen_height, int width, int dash, SetPixelT set_pixel)
@@ -192,4 +200,25 @@ void Blitter::DrawLineGeneric(int x1, int y1, int x2, int y2, int screen_width,
}
}
inline void memset_uint32(uint32 *s, uint32 c, size_t n)
{
#ifdef __APPLE__
memset_pattern4(static_cast<void *>(s), static_cast<const void *>(&c), n * sizeof(uint32));
#else
if constexpr (sizeof(wchar_t) == sizeof(uint32)) {
wmemset((wchar_t *)s, (wchar_t)c, n);
} else {
for (; n > 0; n--) {
*s = c;
s++;
}
}
#endif
}
inline void memset_colour(Colour *s, Colour c, size_t n)
{
memset_uint32((uint32 *)s, c.data, n);
}
#endif /* BLITTER_COMMON_HPP */