Mesa (master): nir: Add load_sampler_lod_paramaters_pan intrinsic

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Module: Mesa
Branch: master
Commit: deaebc82a73ba3f34c4f2ecf97cedb7fc9b0b154
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=deaebc82a73ba3f34c4f2ecf97cedb7fc9b0b154

Author: Alyssa Rosenzweig <alyssa.rosenzweig at collabora.com>
Date:   Thu Nov 21 08:41:22 2019 -0500

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 at collabora.com>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>

---

 src/compiler/nir/nir_intrinsics.py | 4 ++++
 1 file changed, 4 insertions(+)

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