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ac/llvm: add support for texturing with clamped LOD

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This is a requirement for the shaderResourceMinLod feature which
allows to clamp LOD. This uses all image_sample_*_cl variants.

All dEQP-VK.glsl.texture_functions.texture*clamp.* pass.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4989>
This commit is contained in:
Samuel Pitoiset
2020-05-11 16:51:33 +02:00
committed by Marge Bot
parent aaf5706aa3
commit 0d63a1a84d
3 changed files with 12 additions and 1 deletions
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src/amd/llvm/ac_llvm_build.h
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@@ -561,6 +561,7 @@ struct ac_image_args {
LLVMValueRef derivs[6];
LLVMValueRef coords[4];
LLVMValueRef lod; // also used by ac_image_get_resinfo
LLVMValueRef min_lod;
};
LLVMValueRef ac_build_image_opcode(struct ac_llvm_context *ctx,