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some drawing code C optimisations

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This commit is contained in:
kub 2019-08-25 17:33:13 +02:00
parent f6b4a9ca53
commit f740428b81
5 changed files with 54 additions and 40 deletions
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41
pico/32x/draw.c
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@ -42,16 +42,21 @@ static void convert_pal555(int invert_prio)
const unsigned int m1 = 0x001f; \
const unsigned int m2 = 0x03e0; \
const unsigned int m3 = 0x7c00; \
int i; \
unsigned short t; \
int i = 320; \
\
for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
unsigned short t = *p32x; \
if ((*pmd & 0x3f) != mdbg && !((t ^ inv) & 0x8000)) { \
pmd_draw_code; \
continue; \
while (i > 0) { \
for (; i > 0 && (*pmd & 0x3f) == mdbg; pd++, pmd++, i--) { \
t = *p32x++; \
*pd = ((t&m1) << 11) | ((t&m2) << 1) | ((t&m3) >> 10); \
} \
for (; i > 0 && (*pmd & 0x3f) != mdbg; pd++, pmd++, i--) { \
t = *p32x++; \
if ((t ^ inv) & 0x8000) \
*pd = ((t&m1) << 11) | ((t&m2) << 1) | ((t&m3) >> 10); \
else \
pmd_draw_code; \
} \
\
*pd = ((t & m1) << 11) | ((t & m2) << 1) | ((t & m3) >> 10); \
} \
}
@ -59,15 +64,21 @@ static void convert_pal555(int invert_prio)
#define do_line_pp(pd, p32x, pmd, pmd_draw_code) \
{ \
unsigned short t; \
int i; \
for (i = 320; i > 0; i--, pd++, p32x++, pmd++) { \
t = pal[*(unsigned char *)((uintptr_t)p32x ^ 1)]; \
if ((t & 0x20) || (*pmd & 0x3f) == mdbg) \
int i = 320; \
while (i > 0) { \
for (; i > 0 && (*pmd & 0x3f) == mdbg; pd++, pmd++, i--) { \
t = pal[*(unsigned char *)((uintptr_t)(p32x++) ^ 1)]; \
*pd = t; \
else \
pmd_draw_code; \
} \
for (; i > 0 && (*pmd & 0x3f) != mdbg; pd++, pmd++, i--) { \
t = pal[*(unsigned char *)((uintptr_t)(p32x++) ^ 1)]; \
if (t & 0x20) \
*pd = t; \
else \
pmd_draw_code; \
} \
} \
}
}
// run length mode
#define do_line_rl(pd, p32x, pmd, pmd_draw_code) \

10
pico/draw.c
View file

@ -1341,8 +1341,14 @@ void FinalizeLine555(int sh, int line, struct PicoEState *est)
#if 1
int i;
for (i = 0; i < len; i++)
pd[i] = pal[ps[i]];
for (i = len; i > 0; i-=4) {
*pd++ = pal[*ps++];
*pd++ = pal[*ps++];
*pd++ = pal[*ps++];
*pd++ = pal[*ps++];
}
// for (i = 0; i < len; i++)
// pd[i] = pal[ps[i]];
#else
extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);