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shader: support DS_READ_U16_D16_HI (#356)

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Decode the high-half D16 LDS read and route it through the existing unsigned-short load lowering. Represent the destination as a high-half partial write so the low 16 bits of the VGPR remain intact. Add captured-instruction decode coverage and a Vulkan execution regression that verifies the preserved half.

Co-authored-by: SueryRD <the.ai.tester2@gmail.com>
This commit is contained in:
GodsWill Dev
2026-08-29 02:39:45 -04:00
committed by GitHub
parent 715539804b
commit 18b6c9059b
5 changed files with 45 additions and 3 deletions
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src/graphics/shader/recompiler/frontend/translate/Memory.cpp
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@@ -1050,6 +1050,7 @@ bool Translator::EmitMemory(const Decoder::Instruction& inst, std::string* error
case Decoder::Opcode::DS_READ_I16:
case Decoder::Opcode::DS_READ_U16:
case Decoder::Opcode::DS_READ_U16_D16:
case Decoder::Opcode::DS_READ_U16_D16_HI:
case Decoder::Opcode::DS_READ_B32:
case Decoder::Opcode::DS_READ_B64:
case Decoder::Opcode::DS_READ_B96: