image_get_lod GPU Native ISA AMD Vector

IMAGE GET LOD Image / Texture Memory

image_get_lod

Return the calculated level of detail (LOD) for the provided input as two single-precision float values. No memory access is performed.

Encoding

Verified bit-level encoding data is not yet available for this instruction. The instruction-format classification below (MIMG) is well-documented and stable; exact per-target opcode/field bit positions have not yet been imported from a verified source.
Format MIMG
Execution Unit

Operands

Operand details have not yet been curated for this instruction.

GFX Target Compatibility

Per-target GFX compatibility has not yet been verified for this instruction.

Related

More in Image / Texture Memory

Reference

AMDGPU / GFX ISA

Example

image_get_lod v[5:6], v1, s[8:15], s[12:15] dmask:0x3 dim:SQ_RSRC_IMG_1D

A real instruction accepted by the LLVM assembler, taken verbatim from LLVM's own AMDGPU MC test suite (gfx11). Not from an AMD document, and not authored here.

Sources