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Added PCB layout from Brian T. Removed another calculation from the innermost loop (flipx and y-index source lookup) which squeezes out another 5% in my blitter heavy test cases. From Haze (nw)

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This commit is contained in:
Scott Stone 2011-10-12 02:24:01 +00:00
parent e4ba5f456d
commit 942edf2e75
2 changed files with 1585 additions and 189 deletions
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1406
src/mame/drivers/cavesh3.c
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File diff suppressed because it is too large Load Diff

20
src/mame/drivers/csh3blit.c
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@ -12,16 +12,15 @@ INLINE void FUNCNAME(bitmap_t *bitmap,
int dst_y_start,
int dimx,
int dimy,
int flipx,
int flipy,
clr_t *s_alpha_clr,
clr_t *d_alpha_clr,
clr_t *tint_clr )
{
//logerror("draw sprite %04x %04x - %04x %04x\n", dst_x_start, dst_y_start, dimx, dimy);
int x,y, xf,yf;
UINT32* gfx2;
int x,y, yf;
clr_t s_clr;
#ifdef BLENDED
clr_t d_clr, clr0, clr1;
@ -29,8 +28,9 @@ INLINE void FUNCNAME(bitmap_t *bitmap,
UINT32 pen;
UINT32 *bmp;
if (flipx) { xf = -1; src_x += (dimx-1); }
else { xf = +1; }
#ifdef FLIPX
src_x += (dimx-1);
#endif
if (flipy) { yf = -1; src_y += (dimy-1); }
else { yf = +1; }
@ -58,11 +58,17 @@ INLINE void FUNCNAME(bitmap_t *bitmap,
dimx -= (dst_x_end-1) - clip->max_x;
bmp = BITMAP_ADDR32(bitmap, dst_y_start + y, dst_x_start+startx);
int ysrc_index = ((src_y + yf * y) & 0x0fff) * 0x2000;
gfx2 = gfx + ysrc_index;
for (x = startx; x < dimx; x++, bmp++)
{
pen = gfx[GFX_OFFSET(src_x,src_y, xf * x, yf * y)/* & (gfx_size-1)*/]; // no need to mask, already masked in function!
#ifdef FLIPX
pen = gfx2[((src_x - x) & 0x1fff)];
#else
pen = gfx2[((src_x + x) & 0x1fff)];
#endif
#if TRANSPARENT == 1
if ((pen & 0x20000000) == 0)