diff options
Diffstat (limited to 'src/mesa/drivers/x11/xm_dd.c')
| -rw-r--r-- | src/mesa/drivers/x11/xm_dd.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c index 68e56029d24..f54003bc852 100644 --- a/src/mesa/drivers/x11/xm_dd.c +++ b/src/mesa/drivers/x11/xm_dd.c @@ -52,6 +52,42 @@ #include <GL/glxtokens.h> #endif + + +/* + * Dithering kernels and lookup tables. + */ + +const int xmesa_kernel8[DITH_DY * DITH_DX] = { + 0 * MAXC, 8 * MAXC, 2 * MAXC, 10 * MAXC, + 12 * MAXC, 4 * MAXC, 14 * MAXC, 6 * MAXC, + 3 * MAXC, 11 * MAXC, 1 * MAXC, 9 * MAXC, + 15 * MAXC, 7 * MAXC, 13 * MAXC, 5 * MAXC, +}; + +const short xmesa_HPCR_DRGB[3][2][16] = { + { + { 16, -4, 1,-11, 14, -6, 3, -9, 15, -5, 2,-10, 13, -7, 4, -8}, + {-15, 5, 0, 12,-13, 7, -2, 10,-14, 6, -1, 11,-12, 8, -3, 9} + }, + { + {-11, 15, -7, 3, -8, 14, -4, 2,-10, 16, -6, 4, -9, 13, -5, 1}, + { 12,-14, 8, -2, 9,-13, 5, -1, 11,-15, 7, -3, 10,-12, 6, 0} + }, + { + { 6,-18, 26,-14, 2,-22, 30,-10, 8,-16, 28,-12, 4,-20, 32, -8}, + { -4, 20,-24, 16, 0, 24,-28, 12, -6, 18,-26, 14, -2, 22,-30, 10} + } +}; + +const int xmesa_kernel1[16] = { + 0*47, 9*47, 4*47, 12*47, /* 47 = (255*3)/16 */ + 6*47, 2*47, 14*47, 8*47, + 10*47, 1*47, 5*47, 11*47, + 7*47, 13*47, 3*47, 15*47 +}; + + /* * Return the size (width, height) of the X window for the given GLframebuffer. * Output: width - width of buffer in pixels. @@ -88,8 +124,6 @@ get_buffer_size( GLframebuffer *buffer, GLuint *width, GLuint *height ) _glthread_UNLOCK_MUTEX(_xmesa_lock); #endif - (void)kernel8; /* Muffle compiler */ - *width = winwidth; *height = winheight; } |