Re: [Mesa-dev] [PATCH] i965/fs: Fix message setup for SIMD8 spills.

2013-11-11 Thread Paul Berry
On 5 November 2013 16:21, Eric Anholt  wrote:

> In the SIMD16 spilling changes, I replaced a "1" in the spill path with
> "mlen", but obviously it wasn't mlen before because spills have the g0
> header along with the payload. The interface I was trying to use was
> asking for how many physical regs we're writing, so we're looking for "1"
> or "2".
>
> I'm guessing this actually passed piglit because the high 8 bits of the
> execution mask in SIMD8 mode are all 0s.
>

Reviewed-by: Paul Berry 


> ---
>  src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> index 63ac530..83917f5 100644
> --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
> @@ -757,7 +757,7 @@ fs_generator::generate_scratch_write(fs_inst *inst,
> struct brw_reg src)
>retype(brw_message_reg(inst->base_mrf + 1),
> BRW_REGISTER_TYPE_UD),
>retype(src, BRW_REGISTER_TYPE_UD));
> brw_oword_block_write_scratch(p, brw_message_reg(inst->base_mrf),
> - inst->mlen, inst->offset);
> + dispatch_width / 8, inst->offset);
>  }
>
>  void
> --
> 1.8.4.rc3
>
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[Mesa-dev] [PATCH] i965/fs: Fix message setup for SIMD8 spills.

2013-11-05 Thread Eric Anholt
In the SIMD16 spilling changes, I replaced a "1" in the spill path with
"mlen", but obviously it wasn't mlen before because spills have the g0
header along with the payload. The interface I was trying to use was
asking for how many physical regs we're writing, so we're looking for "1"
or "2".

I'm guessing this actually passed piglit because the high 8 bits of the
execution mask in SIMD8 mode are all 0s.
---
 src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp 
b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
index 63ac530..83917f5 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp
@@ -757,7 +757,7 @@ fs_generator::generate_scratch_write(fs_inst *inst, struct 
brw_reg src)
   retype(brw_message_reg(inst->base_mrf + 1), BRW_REGISTER_TYPE_UD),
   retype(src, BRW_REGISTER_TYPE_UD));
brw_oword_block_write_scratch(p, brw_message_reg(inst->base_mrf),
- inst->mlen, inst->offset);
+ dispatch_width / 8, inst->offset);
 }
 
 void
-- 
1.8.4.rc3

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