From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Thu, 21 Nov 2019 13:41:22 +0000 (-0500)
Subject: nir: Add load_sampler_lod_paramaters_pan intrinsic
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=deaebc82a73ba3f34c4f2ecf97cedb7fc9b0b154;p=mesa.git

nir: Add load_sampler_lod_paramaters_pan intrinsic

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>
---

diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index ce10dd22d6c..3939f8ff510 100644
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -847,6 +847,10 @@ store("raw_output_pan", 1, [])
 load("raw_output_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.
 #
 # The hardware requires that we read the samples and components of a pixel