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spirv,nir: add new lod parameter to image_{load,store} intrinsics

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SPV_AMD_shader_image_load_store_lod allows to use a lod parameter
with OpImageRead, OpImageWrite and OpImageSparseRead.

According to the specification, this parameter should be a 32-bit
integer. It is initialized to 0 when no lod parameter is found
during SPIR-V->NIR translation.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2020-01-06 08:27:49 +01:00
parent 37bfd854c7
commit 1b808d208f
10 changed files with 57 additions and 2 deletions
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4
src/compiler/nir/nir_intrinsics.py
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@@ -379,8 +379,8 @@ def image(name, src_comp=[], **kwargs):
intrinsic("bindless_image_" + name, src_comp=[1] + src_comp,
indices=[IMAGE_DIM, IMAGE_ARRAY, FORMAT, ACCESS], **kwargs)
image("load", src_comp=[4, 1], dest_comp=0, flags=[CAN_ELIMINATE])
image("store", src_comp=[4, 1, 0])
image("load", src_comp=[4, 1, 1], dest_comp=0, flags=[CAN_ELIMINATE])
image("store", src_comp=[4, 1, 0, 1])
image("atomic_add", src_comp=[4, 1, 1], dest_comp=1)
image("atomic_imin", src_comp=[4, 1, 1], dest_comp=1)
image("atomic_umin", src_comp=[4, 1, 1], dest_comp=1)