Mesa (master): i965: Add helper function to find out the signedness of a register type.
Francisco Jerez
currojerez at kemper.freedesktop.org
Wed Feb 19 15:57:29 UTC 2014
Module: Mesa
Branch: master
Commit: 51b00c5cb9383e59a04431356e3b3605801d13e3
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=51b00c5cb9383e59a04431356e3b3605801d13e3
Author: Francisco Jerez <currojerez at riseup.net>
Date: Sat Nov 23 12:08:00 2013 -0800
i965: Add helper function to find out the signedness of a register type.
Reviewed-by: Paul Berry <stereotype441 at gmail.com>
---
src/mesa/drivers/dri/i965/brw_reg.h | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_reg.h b/src/mesa/drivers/dri/i965/brw_reg.h
index 143c5ce..f497366 100644
--- a/src/mesa/drivers/dri/i965/brw_reg.h
+++ b/src/mesa/drivers/dri/i965/brw_reg.h
@@ -182,6 +182,34 @@ type_sz(unsigned type)
}
}
+static inline bool
+type_is_signed(unsigned type)
+{
+ switch(type) {
+ case BRW_REGISTER_TYPE_D:
+ case BRW_REGISTER_TYPE_W:
+ case BRW_REGISTER_TYPE_F:
+ case BRW_REGISTER_TYPE_B:
+ case BRW_REGISTER_TYPE_V:
+ case BRW_REGISTER_TYPE_VF:
+ case BRW_REGISTER_TYPE_DF:
+ case BRW_REGISTER_TYPE_HF:
+ case BRW_REGISTER_TYPE_Q:
+ return true;
+
+ case BRW_REGISTER_TYPE_UD:
+ case BRW_REGISTER_TYPE_UW:
+ case BRW_REGISTER_TYPE_UB:
+ case BRW_REGISTER_TYPE_UV:
+ case BRW_REGISTER_TYPE_UQ:
+ return false;
+
+ default:
+ assert(!"Unreachable.");
+ return false;
+ }
+}
+
/**
* Construct a brw_reg.
* \param file one of the BRW_x_REGISTER_FILE values
More information about the mesa-commit
mailing list