[Mesa-dev] [PATCH 0/2] i965: Add support for fp16 <-> fp64 conversions

Samuel Iglesias Gonsálvez siglesias at igalia.com
Wed Apr 25 10:35:54 UTC 2018


These two patches are still unreviewed.

Sam


On 13/04/18 07:30, Samuel Iglesias Gonsálvez wrote:
> Hello,
>
> This series implements support for doing fp16 <-> fp64 conversions on
> i965. The PRM says we need to do an intermediate conversion to a 32 bit
> type.
>
> This patch series applies on top of shaderInt16's patch series [0].
> There is a branch for testing on Github:
>
> $ git clone https://github.com/Igalia/mesa.git \
>   -b siglesias/vulkan-fp16-fp64-conversions
>
> There are tests for Vulkan CTS under review (CL#2246) for testing these
> patches.
>
> Best regards,
>
> Sam
>
> [0] https://lists.freedesktop.org/archives/mesa-dev/2018-April/191888.html
>
> Samuel Iglesias Gonsálvez (2):
>   i965/fs: implement conversions from float16 to 64 bits data types
>   i965/fs: Implement float64 to float16 conversion
>
>  src/intel/compiler/brw_fs_nir.cpp | 49 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 49 insertions(+)
>


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