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shader: interpolate f16 parameter halves (V_INTERP_P1LL_F16, V_INTERP_P2_F16) (#1792)

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shader: interpolate packed f16 attributes for v_interp_p1ll_f16 and v_interp_p2_f16

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Nawid3333andnmzik authored and GitHub committed 2026-10-22 04:54:10 +02:00
1 parent 8502d8a77d
commit d7c1896647
10 files changed
+181 -75
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src/graphics/shader/recompiler/frontend/translate/Attribute.cpp
+11 -3
View File
@@ -73,14 +73,19 @@ void Translator::TranslateEmbeddedFetch(const Decoder::Instruction& inst, uint32
}
}
void Translator::V_INTERP_P1_F32() {}
void Translator::V_INTERP_P2_F32(const Decoder::Instruction& inst) {
const auto value = ir.Emit(IR::ValueOpcode::GetAttribute,
{IR::Value(inst.src1.value), IR::Value(inst.src2.value)});
WriteOperand(inst.dst, value);
}
void Translator::V_INTERP_P2_F16(const Decoder::Instruction& inst) {
const auto value = ir.Emit(IR::ValueOpcode::GetAttributeF16,
{IR::Value(inst.src1.value), IR::Value(inst.src2.value),
IR::Value(uint32_t {inst.src1.op_sel})});
WriteF16(inst.dst, IR::F32(value));
}
void Translator::V_INTERP_MOV_F32(const Decoder::Instruction& inst) {
if (inst.src0.value >= 3u) {
EXIT("v_interp_mov_f32 mode %u is reserved at pc 0x%08x", inst.src0.value, inst.pc);
@@ -108,8 +113,11 @@ void Translator::EXP(const Decoder::Instruction& inst) {
void Translator::EmitInterpolation(const Decoder::Instruction& inst) {
switch (inst.opcode) {
case Decoder::Opcode::V_INTERP_P1_F32: V_INTERP_P1_F32(); return;
// P2 interpolates the whole attribute, so the P1 halves have nothing to compute.
case Decoder::Opcode::V_INTERP_P1_F32:
case Decoder::Opcode::V_INTERP_P1LL_F16: return;
case Decoder::Opcode::V_INTERP_P2_F32: V_INTERP_P2_F32(inst); return;
case Decoder::Opcode::V_INTERP_P2_F16: V_INTERP_P2_F16(inst); return;
case Decoder::Opcode::V_INTERP_MOV_F32: V_INTERP_MOV_F32(inst); return;
default: return FailMissingTranslation(inst);
}