30 lines
1 KiB
C
30 lines
1 KiB
C
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#define max(x,y) (((x) > (y)) ? (x) : (y))
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#define min(x,y) (((x) < (y)) ? (x) : (y))
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#define TRIANGLE_COLOR_LOOKUP_TABLE_SIZE 4096
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/* triangle interpolation definitions: */
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typedef struct {
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unsigned char *bitmap1;
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unsigned char *bitmap2;
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int bf;
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} TD_tridata;
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void gl_triangle (int x0, int y0, int z0, int x1, int y1, int z1, int x2, int y2, int z2, int bf);
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void gl_wtriangle (int x0, int y0, int xd0, int yd0, int z0, \
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int x1, int y1, int xd1, int yd1, int z1, \
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int x2, int y2, int xd2, int yd2, int z2, \
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TD_tridata * tri); /* This does not alter tri structure. */
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void gl_swtriangle (int x0, int y0, int xd0, int yd0, \
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int x1, int y1, int xd1, int yd1, \
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int x2, int y2, int xd2, int yd2, int c, \
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TD_tridata * tri); /* This does not alter tri structure. */
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void gl_striangle (int x0, int y0, int x1, int y1, int x2, int y2, int color, int bf);
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void gl_trisetcolorlookup (int i, int c);
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int gl_trigetcolorlookup (int i);
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void gl_trisetdrawpoint (void (setpixelfunc) (int, int, int));
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