diff options
| author | Andre Maasikas <[email protected]> | 2010-09-14 18:56:39 +0300 |
|---|---|---|
| committer | Andre Maasikas <[email protected]> | 2010-09-14 19:00:35 +0300 |
| commit | b0bc026c12042405357ae65585812ca11786837f (patch) | |
| tree | 1687bd4171d6003e77267b65e015c95e0acaf6f2 /src/mesa | |
| parent | 79ab394cd2ca3f88ad854503b95e886a6c5d47d5 (diff) | |
r600c: fix setting negative values to bitfields7.9-branchpoint
when setting negative integers to bitfields we could overwrite
other parts of it. So mask the value to be written correctly.
This is used quite often in the driver - hope it doesnt affect
performace or uncover behaviour relied before...
fixes strange effects when setting negative lodbias on evergreen
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_chip.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_chip.h b/src/mesa/drivers/dri/r600/r700_chip.h index ebf1840a795..0ca237b1fe0 100644 --- a/src/mesa/drivers/dri/r600/r700_chip.h +++ b/src/mesa/drivers/dri/r600/r700_chip.h @@ -38,7 +38,7 @@ #include "r700_chipoffset.h" -#define SETfield(x, val, shift, mask) ( (x) = ((x) & ~(mask)) | ((val) << (shift)) ) /* u32All */ +#define SETfield(x, val, shift, mask) ( (x) = ((x) & ~(mask)) | (((val) << (shift)) & (mask)) )/* u32All */ #define CLEARfield(x, mask) ( (x) &= ~(mask) ) #define SETbit(x, bit) ( (x) |= (bit) ) #define CLEARbit(x, bit) ( (x) &= ~(bit) ) |