diff options
Diffstat (limited to 'src/mesa/tnl/t_vb_arbprogram.h')
| -rw-r--r-- | src/mesa/tnl/t_vb_arbprogram.h | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/mesa/tnl/t_vb_arbprogram.h b/src/mesa/tnl/t_vb_arbprogram.h index 60786d6a016..dab725d7f7a 100644 --- a/src/mesa/tnl/t_vb_arbprogram.h +++ b/src/mesa/tnl/t_vb_arbprogram.h @@ -61,7 +61,7 @@ #define REG_IN31 63 #define REG_ID 64 /* 0,0,0,1 */ #define REG_ONES 65 /* 1,1,1,1 */ -#define REG_SWZ 66 /* -1,1,0,0 */ +#define REG_SWZ 66 /* 1,-1,0,0 */ #define REG_NEG 67 /* -1,-1,-1,-1 */ #define REG_LIT 68 /* 1,0,0,1 */ #define REG_LIT2 69 /* 1,0,0,1 */ @@ -98,7 +98,7 @@ union instruction { GLuint file0:2; GLuint idx0:7; GLuint neg:4; - GLuint swz:8; /* xyzw only */ + GLuint swz:12; /* xyzw01 */ } rsw; struct { @@ -114,11 +114,8 @@ union instruction { /** - * Reduced swizzle is a 2-bit field; only X/Y/Z/W are allowed, not 0/1. + * Reduced swizzle is a 3-bit field, for simplicity same as normal swizzle, X/Y/Z/W/0/1 allowed. */ -#define RSW_NOOP ((0<<0) | (1<<2) | (2<<4) | (3<<6)) -#define GET_RSW(swz, idx) (((swz) >> ((idx)*2)) & 0x3) - struct input { GLuint idx; |