[Mesa-dev] [PATCH 0/2] Implement (viewport) system values

[Qiang Yu]

So you prefer to use the nir sysval method and implement a per driver version
of viewport transform? As I sended out a patch series for a shared version of
this transform, any feedback on it?
https://patchwork.freedesktop.org/series/58618/

Regards,
Qiang

On Wed, Apr 3, 2019 at 9:50 AM Alyssa Rosenzweig <alyssa at rosenzweig.io> wrote:
>
> This patch set implements the infrastructure for piping system values
> through Panfrost, replacing the prior brittle system of magic uniform
> offsets. This infrastructure is used to implement the vertex shader
> viewport transformation, which will soon be shared with lima.
>
> Alyssa Rosenzweig (2):
>   nir: Add "viewport vector" system values
>   panfrost: Implement system values
>
>  src/compiler/nir/nir_intrinsics.py            |   5 +
>  src/gallium/drivers/panfrost/meson.build      |   1 +
>  .../drivers/panfrost/midgard/helpers.h        |   4 -
>  .../panfrost/midgard/midgard_compile.c        | 272 +++++++++---------
>  .../panfrost/midgard/midgard_compile.h        |  27 +-
>  src/gallium/drivers/panfrost/pan_assemble.c   |   5 +
>  src/gallium/drivers/panfrost/pan_context.c    | 103 +++----
>  src/gallium/drivers/panfrost/pan_context.h    |   5 +
>  8 files changed, 234 insertions(+), 188 deletions(-)
>
> --
> 2.20.1
>
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