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[spir-v] Correcting output components

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This commit is contained in:
CamilleLaVey
2026-07-02 03:56:49 -04:00
committed by crueter
parent bcaeece578
commit baaf9a628c
2 changed files with 11 additions and 7 deletions
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src/shader_recompiler/backend/glasm/emit_glasm_warp.cpp
+9 -6
View File
@@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@@ -98,22 +101,22 @@ void EmitShuffleButterfly(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, Sca
}
void EmitQuadBroadcast(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 lane) {
// QuadBroadcast: src = (thread_id & ~3) | (lane & 3) — SHFLIDX with quad mask 0x1C03
// QuadBroadcast: src = (thread_id & ~3) | (lane & 3) — SHFIDX with quad mask 0x1C03
const Register ret{ctx.reg_alloc.Define(inst)};
ctx.Add("AND.U RC.x,{}.threadid,~3;"
"AND.U RC.y,{},3;"
"OR.U RC.x,RC.x,RC.y;"
"SHFLIDX.U {},{},RC.x,0x1C03;"
"MOV.U {}.x,{}.x;",
"SHFIDX.U {},{},RC.x,0x1C03;"
"MOV.U {}.x,{}.y;",
ctx.stage_name, lane, ret, value, ret, ret);
}
void EmitQuadSwap(EmitContext& ctx, IR::Inst& inst, ScalarU32 value, ScalarU32 direction) {
// QuadSwap: XOR thread_id with (direction+1) within quad — SHFLXOR with quad mask 0x1C03
// QuadSwap: XOR thread_id with (direction+1) within quad — SHFXOR with quad mask 0x1C03
const Register ret{ctx.reg_alloc.Define(inst)};
ctx.Add("ADD.U RC.x,{},1;"
"SHFLXOR.U {},{},RC.x,0x1C03;"
"MOV.U {}.x,{}.x;",
"SHFXOR.U {},{},RC.x,0x1C03;"
"MOV.U {}.x,{}.y;",
direction, ret, value, ret, ret);
}
src/shader_recompiler/backend/spirv/emit_spirv.cpp
+2 -1
View File
@@ -322,7 +322,8 @@ void DefineEntryPoint(const IR::Program& program, EmitContext& ctx, Id main) {
if (ctx.runtime_info.force_early_z) {
ctx.AddExecutionMode(main, spv::ExecutionMode::EarlyFragmentTests);
}
if (ctx.profile.support_shader_quad_control && program.info.uses_derivatives) {
if (ctx.profile.support_shader_quad_control &&
(program.info.uses_derivatives || program.info.uses_quad_shuffles)) {
ctx.AddExtension("SPV_KHR_quad_control");
ctx.AddCapability(spv::Capability::QuadControlKHR);
ctx.AddExecutionMode(main, spv::ExecutionMode::RequireFullQuadsKHR);