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ubb-vga2: non-contiguous allocation of frame buffer memory

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- ubb-vga.h (calloc_phys_vec), physmem.c: non-contiguous memory allocator
  (for now, without really considering any mapping to physical memory)
- Makefile (OBJS): added physmem.o
- ubb-vga.h (grabfb), grabfb.c (grabfb): API change for non-contiguous
  frame buffer
- ubb-vga.h (ppmimg), ppmimg.c (convert, ppmimg): API change for
  non-contiguous frame buffer
- ubb-vga.h (tstimg), tstimg.c (pixel, color_bars, grill, grid, sides,
  dot, line45, arc, printc, text, ctext, tstimg): API change for
  non-contiguous frame buffer
- tstimg.c (tstimg): we no longer need to clear the frame buffer
- ubb-vga.c (frame, session, main): use a vector of line buffers instead
  of a contiguous frame buffer
This commit is contained in:
Werner Almesberger
2011-04-29 13:04:02 -03:00
parent 71c9c7dd78
commit 623f3ccbe3
7 changed files with 77 additions and 39 deletions
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10
ubb-vga/ubb-vga.h
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@@ -31,18 +31,22 @@ void *map(off_t addr, size_t size);
uint8_t ccube_map(uint8_t r, uint8_t g, uint8_t b);
void ccube_init(void);
/* physmem.c */
void **calloc_phys_vec(size_t n, size_t size);
/* grabfb.c */
void grabfb(void *f, int xres, int yres);
void grabfb(void **f, int xres, int yres);
/* tstimg.c */
void tstimg(void *f, int xres, int yres);
void tstimg(void **f, int xres, int yres);
/* ppmimg.c */
extern char *img_name;
void ppmimg(void *f, int xres, int yres);
void ppmimg(void **f, int xres, int yres);
#endif /* !UBB_VGA_H */