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Add VBLANK interrupt for nvidia cards

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This commit is contained in:
Melissa Goad
2017-04-26 20:26:47 -05:00
parent 25643e498c
commit 7ef86551b5
1 changed files with 11 additions and 1 deletions
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12
src/vid_nv_riva128.c
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@@ -216,7 +216,6 @@ typedef struct riva128_t
int mtime, mfreq;
int nvtime, nvfreq;
} riva128_t;
//Internally, the RIVA 128 operates in a weird 38-bit color depth, with 10 bits for RGB, and 8 bits for alpha, according to envytools.
@@ -2052,6 +2051,14 @@ static void riva128_nvclk_poll(void *p)
riva128->nvtime += cpuclock / riva128->nvfreq;
}
static void riva128_vblank_poll(void *p)
{
riva128_t *riva128 = (riva128_t *)p;
svga_t *svga = &riva128->svga;
if(svga->vc == svga->dispend) riva128_pmc_interrupt(24, riva128);
}
static uint8_t riva128_rma_in(uint16_t addr, void *p)
{
riva128_t *riva128 = (riva128_t *)p;
@@ -2851,6 +2858,7 @@ static void *riva128_init()
timer_add(riva128_mclk_poll, &riva128->mtime, TIMER_ALWAYS_ENABLED, riva128);
timer_add(riva128_nvclk_poll, &riva128->nvtime, TIMER_ALWAYS_ENABLED, riva128);
timer_add(riva128_vblank_poll, &riva128->svga.vidtime, TIMER_ALWAYS_ENABLED, riva128);
return riva128;
}
@@ -3156,6 +3164,7 @@ static void *rivatnt_init()
timer_add(riva128_mclk_poll, &riva128->mtime, TIMER_ALWAYS_ENABLED, riva128);
timer_add(riva128_nvclk_poll, &riva128->nvtime, TIMER_ALWAYS_ENABLED, riva128);
timer_add(riva128_vblank_poll, &riva128->svga.vidtime, TIMER_ALWAYS_ENABLED, riva128);
return riva128;
}
@@ -3387,6 +3396,7 @@ static void *rivatnt2_init()
timer_add(riva128_mclk_poll, &riva128->mtime, TIMER_ALWAYS_ENABLED, riva128);
timer_add(riva128_nvclk_poll, &riva128->nvtime, TIMER_ALWAYS_ENABLED, riva128);
timer_add(riva128_vblank_poll, &riva128->svga.vidtime, TIMER_ALWAYS_ENABLED, riva128);
return riva128;
}