[Mesa-stable] [Mesa-dev] [PATCH 01/14] anv/cmd_buffer: Advance the address when initializing clear colors

[Lionel Landwerlin]

On 13/11/17 22:07, Jason Ekstrand wrote:
> On Mon, Nov 13, 2017 at 1:30 PM, Nanley Chery <nanleychery at gmail.com 
> <mailto:nanleychery at gmail.com>> wrote:
>
>     On Mon, Nov 13, 2017 at 08:12:41AM -0800, Jason Ekstrand wrote:
>     > Found by inspection
>     >
>
>     Good catch.
>
>     > Cc: mesa-stable at lists.freedesktop.org
>     <mailto:mesa-stable at lists.freedesktop.org>
>     > ---
>     >  src/intel/vulkan/genX_cmd_buffer.c | 9 ++++++---
>     >  1 file changed, 6 insertions(+), 3 deletions(-)
>     >
>     > diff --git a/src/intel/vulkan/genX_cmd_buffer.c
>     b/src/intel/vulkan/genX_cmd_buffer.c
>     > index fbb5706..2564976 100644
>     > --- a/src/intel/vulkan/genX_cmd_buffer.c
>     > +++ b/src/intel/vulkan/genX_cmd_buffer.c
>     > @@ -557,12 +557,13 @@ init_fast_clear_state_entry(struct
>     anv_cmd_buffer *cmd_buffer,
>     >     /* Other combinations of auxiliary buffers and platforms
>     require specific
>     >      * values in the clear value dword(s).
>     >      */
>     > +   struct anv_address addr =
>     > +      get_fast_clear_state_address(cmd_buffer->device, image,
>     aspect, level,
>     > +  FAST_CLEAR_STATE_FIELD_CLEAR_COLOR);
>     >     unsigned i = 0;
>     >     for (; i < cmd_buffer->device->isl_dev.ss.clear_value_size;
>     i += 4) {
>     >        anv_batch_emit(&cmd_buffer->batch,
>     GENX(MI_STORE_DATA_IMM), sdi) {
>     > -         sdi.Address =
>     > -            get_fast_clear_state_address(cmd_buffer->device,
>     image, aspect, level,
>     > -  FAST_CLEAR_STATE_FIELD_CLEAR_COLOR);
>     > +         sdi.Address = addr;
>
>     The loop increments the variable i by 4 with every iteration. How
>     about
>     the following instead:
>                 sdi.Address = addr + i;
>
>
> I really wish we could do that but it's a struct.  I could do
>
> sdi.Address = addr;
> sdi.Address.offset += i;
>
> --Jason
>
>     -Nanley
>
>     >
>     >           if (GEN_GEN >= 9) {
>     >              /* MCS buffers on SKL+ can only have 1/0 clear
>     colors. */
>     > @@ -586,6 +587,8 @@ init_fast_clear_state_entry(struct
>     anv_cmd_buffer *cmd_buffer,
>     >              sdi.ImmediateData = 0;
>     >           }
>     >        }
>     > +
>     > +      addr += 4;
>
>
> Aparently, I didn't compile-test this because I need a .offset here. :/

Heh, I was confused too :)
With that fixed :

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>

>     >     }
>     >  }
>     >
>     > --
>     > 2.5.0.400.gff86faf
>     >
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