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Blitter: Use 32 bit memset where available

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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
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15
src/blitter/40bpp_anim.cpp
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@@ -22,9 +22,6 @@
/** Instantiation of the 40bpp with animation blitter factory. */
static FBlitter_40bppAnim iFBlitter_40bppAnim;
/** Cached black value. */
static const Colour _black_colour(0, 0, 0);
void Blitter_40bppAnim::SetPixel(void *video, int x, int y, uint8 colour)
{
@@ -58,7 +55,7 @@ void Blitter_40bppAnim::SetRect(void *video, int x, int y, const uint8 *colours,
Colour *dst = (Colour *)video + x + y * _screen.pitch;
uint8 *dstanim = ((uint32 *)dst - (uint32 *)_screen.dst_ptr) + VideoDriver::GetInstance()->GetAnimBuffer();
do {
memset((uint32 *)dst, _black_colour.data, width * sizeof(uint32));
memset_colour(dst, _black_colour, width);
memcpy(dstanim, colours, width * sizeof(uint8));
dst += _screen.pitch;
dstanim += _screen.pitch;
@@ -96,15 +93,9 @@ void Blitter_40bppAnim::DrawRect(void *video, int width, int height, uint8 colou
uint8 *anim_line = ((uint32 *)video - (uint32 *)_screen.dst_ptr) + VideoDriver::GetInstance()->GetAnimBuffer();
do {
Colour *dst = (Colour *)video;
uint8 *anim = anim_line;
memset_colour((Colour *)video, _black_colour, width);
memset(anim_line, colour, width);
for (int i = width; i > 0; i--) {
*dst = _black_colour;
*anim = colour;
dst++;
anim++;
}
video = (uint32 *)video + _screen.pitch;
anim_line += _screen.pitch;
} while (--height);