diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_reg.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_reg.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h index c66ccc24bf9..9ac25442eec 100644 --- a/src/mesa/drivers/dri/i965/brw_reg.h +++ b/src/mesa/drivers/dri/i965/brw_reg.h @@ -50,6 +50,23 @@ extern "C" { #endif +/** Number of general purpose registers (VS, WM, etc) */ +#define BRW_MAX_GRF 128 + +/** + * First GRF used for the MRF hack. + * + * On gen7, MRFs are no longer used, and contiguous GRFs are used instead. We + * haven't converted our compiler to be aware of this, so it asks for MRFs and + * brw_eu_emit.c quietly converts them to be accesses of the top GRFs. The + * register allocators have to be careful of this to avoid corrupting the "MRF"s + * with actual GRF allocations. + */ +#define GEN7_MRF_HACK_START 112 + +/** Number of message register file registers */ +#define BRW_MAX_MRF 16 + #define BRW_SWIZZLE4(a,b,c,d) (((a)<<0) | ((b)<<2) | ((c)<<4) | ((d)<<6)) #define BRW_GET_SWZ(swz, idx) (((swz) >> ((idx)*2)) & 0x3) |