On Monday, January 19, 2015 03:31:05 PM Matt Turner wrote:
> ---
> src/mesa/drivers/dri/i965/brw_eu.c | 22 ++++++++++++++++++++++
> src/mesa/drivers/dri/i965/brw_eu.h | 1 +
> 2 files changed, 23 insertions(+)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_eu.c
> b/src/mesa/drivers/dri/i965/brw_eu.c
> index 9905972..9977eed 100644
> --- a/src/mesa/drivers/dri/i965/brw_eu.c
> +++ b/src/mesa/drivers/dri/i965/brw_eu.c
> @@ -88,6 +88,28 @@ brw_swap_cmod(uint32_t cmod)
> }
> }
>
> +/* Returns the corresponding inverted conditional mod. */
> +enum brw_conditional_mod
> +brw_invert_cmod(enum brw_conditional_mod cmod)
> +{
> + switch (cmod) {
> + case BRW_CONDITIONAL_Z:
> + return BRW_CONDITIONAL_NZ;
> + case BRW_CONDITIONAL_NZ:
> + return BRW_CONDITIONAL_Z;
> + case BRW_CONDITIONAL_G:
> + return BRW_CONDITIONAL_LE;
> + case BRW_CONDITIONAL_GE:
> + return BRW_CONDITIONAL_L;
> + case BRW_CONDITIONAL_L:
> + return BRW_CONDITIONAL_GE;
> + case BRW_CONDITIONAL_LE:
> + return BRW_CONDITIONAL_G;
> + default:
> + return BRW_CONDITIONAL_NONE;
> + }
> +}Heh, I thought this looked familiar...apparently I wrote one too :) http://lists.freedesktop.org/archives/mesa-dev/2014-August/066127.html I wasn't sure whether "invert" meant "flip direction" or "negate condition" until I read the code. How about calling it brw_negate_cmod instead? /* Returns a conditional modifier that negates the condition. */ enum brw_conditional_mod brw_negate_cmod(uint32_t cmod) { ... } Either way is fine. Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>
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