diff options
| -rw-r--r-- | src/mesa/shader/nvvertparse.c | 8 | ||||
| -rw-r--r-- | src/mesa/shader/program.h | 7 |
2 files changed, 11 insertions, 4 deletions
diff --git a/src/mesa/shader/nvvertparse.c b/src/mesa/shader/nvvertparse.c index ecfe8ec334..6d395c6011 100644 --- a/src/mesa/shader/nvvertparse.c +++ b/src/mesa/shader/nvvertparse.c @@ -686,13 +686,13 @@ Parse_SwizzleSrcReg(struct parse_state *parseState, struct prog_src_register *sr if (token[1] == 0) { /* single letter swizzle */ if (token[0] == 'x') - srcReg->Swizzle = MAKE_SWIZZLE4(0, 0, 0, 0); + srcReg->Swizzle = SWIZZLE_XXXX; else if (token[0] == 'y') - srcReg->Swizzle = MAKE_SWIZZLE4(1, 1, 1, 1); + srcReg->Swizzle = SWIZZLE_YYYY; else if (token[0] == 'z') - srcReg->Swizzle = MAKE_SWIZZLE4(2, 2, 2, 2); + srcReg->Swizzle = SWIZZLE_ZZZZ; else if (token[0] == 'w') - srcReg->Swizzle = MAKE_SWIZZLE4(3, 3, 3, 3); + srcReg->Swizzle = SWIZZLE_WWWW; else RETURN_ERROR1("Expected x, y, z, or w"); } diff --git a/src/mesa/shader/program.h b/src/mesa/shader/program.h index a0bde07762..5b5d134f6d 100644 --- a/src/mesa/shader/program.h +++ b/src/mesa/shader/program.h @@ -53,6 +53,13 @@ #define MAKE_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<3) | ((c)<<6) | ((d)<<9)) #define SWIZZLE_NOOP MAKE_SWIZZLE4(0,1,2,3) + +#define SWIZZLE_XYZW MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W) +#define SWIZZLE_XXXX MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X) +#define SWIZZLE_YYYY MAKE_SWIZZLE4(SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y) +#define SWIZZLE_ZZZZ MAKE_SWIZZLE4(SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z, SWIZZLE_Z) +#define SWIZZLE_WWWW MAKE_SWIZZLE4(SWIZZLE_W, SWIZZLE_W, SWIZZLE_W, SWIZZLE_W) + #define GET_SWZ(swz, idx) (((swz) >> ((idx)*3)) & 0x7) #define GET_BIT(msk, idx) (((msk) >> (idx)) & 0x1) |