diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_headers.h')
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_headers.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/mesa/pipe/softpipe/sp_headers.h b/src/mesa/pipe/softpipe/sp_headers.h index b377c34712..e23742f803 100644 --- a/src/mesa/pipe/softpipe/sp_headers.h +++ b/src/mesa/pipe/softpipe/sp_headers.h @@ -39,17 +39,18 @@ /* The rasterizer generates 2x2 quads of fragment and feeds them to - * the current fp_machine (see below). + * the current fp_machine (see below). + * Remember that Y=0=top with Y increasing down the window. */ -#define QUAD_BOTTOM_LEFT 0 -#define QUAD_BOTTOM_RIGHT 1 -#define QUAD_TOP_LEFT 2 -#define QUAD_TOP_RIGHT 3 +#define QUAD_TOP_LEFT 0 +#define QUAD_TOP_RIGHT 1 +#define QUAD_BOTTOM_LEFT 2 +#define QUAD_BOTTOM_RIGHT 3 -#define MASK_BOTTOM_LEFT 0x1 -#define MASK_BOTTOM_RIGHT 0x2 -#define MASK_TOP_LEFT 0x4 -#define MASK_TOP_RIGHT 0x8 +#define MASK_TOP_LEFT (1 << QUAD_TOP_LEFT) +#define MASK_TOP_RIGHT (1 << QUAD_TOP_RIGHT) +#define MASK_BOTTOM_LEFT (1 << QUAD_BOTTOM_LEFT) +#define MASK_BOTTOM_RIGHT (1 << QUAD_BOTTOM_RIGHT) #define MASK_ALL 0xf |