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nir: Add load_sampler_lod_paramaters_pan intrinsic

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This loads in the <min_lod, max_lod, lod_bias> settings for a given
sampler, which is necessary for lowering clamps/biases on certain
Midgard chips.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-11-21 08:41:22 -05:00 • committed by Tomeu Vizoso
parent b1156ecdf2
commit deaebc82a7
1 changed files with 4 additions and 0 deletions
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4
src/compiler/nir/nir_intrinsics.py
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@ -847,6 +847,10 @@ store("raw_output_pan", 1, [])
load("raw_output_pan", 0, [], [CAN_ELIMINATE, CAN_REORDER]) load("raw_output_pan", 0, [], [CAN_ELIMINATE, CAN_REORDER])
load("output_u8_as_fp16_pan", 0, [], [CAN_ELIMINATE, CAN_REORDER]) load("output_u8_as_fp16_pan", 0, [], [CAN_ELIMINATE, CAN_REORDER])
# Loads the sampler paramaters <min_lod, max_lod, lod_bias>
# src[] = { sampler_index }
load("sampler_lod_parameters_pan", 1, [CAN_ELIMINATE, CAN_REORDER])
# V3D-specific instrinc for tile buffer color reads. # V3D-specific instrinc for tile buffer color reads.
# #
# The hardware requires that we read the samples and components of a pixel # The hardware requires that we read the samples and components of a pixel