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gray: expose pointers to the screen buffers

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Lephe 2021-05-01 18:29:36 +02:00
parent c4ec06d6ab
commit 78bf9dac7d
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2 changed files with 13 additions and 0 deletions
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4
include/gint/gray.h
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@ -144,4 +144,8 @@ void dgray_getdelays(uint32_t *light, uint32_t *dark);
These pointers can be used for custom rendering functions. */ These pointers can be used for custom rendering functions. */
void dgray_getvram(uint32_t **light, uint32_t **dark); void dgray_getvram(uint32_t **light, uint32_t **dark);
/* dgray_getscreen(): Get the current screen pointers
These pointers can be used to make screen captures. */
void dgray_getscreen(uint32_t **light, uint32_t **dark);
#endif /* GINT_GRAY */ #endif /* GINT_GRAY */

9
src/gray/engine.c
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@ -258,3 +258,12 @@ void dgray_getvram(uint32_t **light, uint32_t **dark)
if(light) *light = vrams[base & 2]; if(light) *light = vrams[base & 2];
if(dark) *dark = vrams[base | 1]; if(dark) *dark = vrams[base | 1];
} }
/* dgray_getscreen(): Get the current screen pointers */
void dgray_getscreen(uint32_t **light, uint32_t **dark)
{
int base = st ^ 2;
if(light) *light = vrams[base & 2];
if(dark) *dark = vrams[base | 1];
}