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Commit Graph

6 Commits

Author SHA1 Message Date
Werner Almesberger
6558f56de6 ubb-vga2: replaced threshold-based color mapping with color cube model
- ubb-vga.h (ccube_init, ccube_map), ccube.c: color mapper based on
  proximity in color cube
- grabfb.c (pattern, grabfb), ppmimg.c (pattern, convert): use the color
  cube mapper instead of inferios threshold-based mapping
- ubb-vga2.c (session): initialize the color cube
- ubb-vga.h (thres), grabfb.c (thres), ubb-vga2.c (usage, main): removed
  the threshold along with the option (-l) to set it
- Makefile (OBJS): added ccube.o
2011-04-28 01:18:03 -03:00
Werner Almesberger
080978ade0 ubb-vga2: added support for showing a PPM image
- Makefile (OBJS): added ppm.o and ppmimg.o
- ppm.h (load_ppm), ppm.c: PPM file loader, adapted from
  eda-tools/schhist/ppmdiff/ppmdiff.c
- ubb-vga.h (img_name, ppmimg), ppmimg.c: PPM image to frame buffer
  converter
- ubb-vga2.c (usage, main): the threshold is now set with the option -l
- ubb-vga2.c (usage, main): if a second argument is given, treat it as
  a PPM file
- ubb-vga2.c (usage): also documented option -t
2011-04-28 00:38:13 -03:00
Werner Almesberger
19f43a77c9 ubb-vga2: added test image generator (option -t)
- tstimg.c: test image generator
- Makefile (OBJS): added tstimg.o
- Makefile (LDFLAGS): tstimg.c needs libm
- ubb-vga2.c (session, main): pass image generator as a function pointer
- ubb-vga2.c (main): new option -t to select the test image generator
2011-04-27 23:31:39 -03:00
Werner Almesberger
8643e457fa ubb-vga2: move image generation out of the main program
- ubb-vga2.c (session, grab): made the frame buffer "void *" and pass
  frame buffer resolution
- ubb-vga.h: color encoding and items shared between compilation units
- ubb-vga2.c (thres, pattern, grab), grabfb.c: move to grabfb.c
- ubb-vga2.c (map): make global, for use by grabfb.c
- ubb-vga2.c (pick, pattern, tricolor, grid): removed obsolete test
  image generators
- Makefile (OBJS, ubb-vga2): added grabfb.o
- Makefile (clean): remove only .o files
- Makefile (spotless): remove only executables
2011-04-27 20:59:29 -03:00
Werner Almesberger
a759723ed1 ubb-vga: added driver based on the MMC controller (highly experimental)
- ubb-vga2.c: use the MMC controler to stream the pixel data
- Makefile (all, clean): added ubb-vga2
2011-04-27 17:21:30 -03:00
Werner Almesberger
3b7a7caec1 renamed "video" to ubb-vga 2011-04-24 02:56:56 -03:00