diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h index 5b783137ddf..5f331e17a58 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.h +++ b/src/mesa/drivers/dri/i965/brw_fs.h @@ -88,9 +88,11 @@ public: */ int reg; /** - * For virtual registers, this is a hardware register offset from - * the start of the register block (for example, a constant index - * in an array access). + * Offset from the start of the contiguous register block. + * + * For pre-register-allocation GRFs, this is in units of a float per pixel + * (1 hardware register for SIMD8 mode, or 2 registers for SIMD16 mode). + * For uniforms, this is in units of 1 float. */ int reg_offset; /** Register type. BRW_REGISTER_TYPE_* */ |