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video_minimum_maximum: Implement src operand selectors 

Used by Pokemon Legends: Arceus
This commit is contained in:
ameerj 2022-01-27 14:55:08 -05:00
parent 8a244dd3d3
commit 74e6e3623f
1 changed files with 6 additions and 12 deletions
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18
src/shader_recompiler/frontend/maxwell/translate/impl/video_minimum_maximum.cpp
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@ -57,16 +57,6 @@ void TranslatorVisitor::VMNMX(u64 insn) {
if (vmnmx.sat != 0) {
throw NotImplementedException("VMNMX SAT");
}
// Selectors were shown to default to 2 in unit tests
if (vmnmx.src_a_selector != 2) {
throw NotImplementedException("VMNMX Selector {}", vmnmx.src_a_selector.Value());
}
if (vmnmx.src_b_selector != 2) {
throw NotImplementedException("VMNMX Selector {}", vmnmx.src_b_selector.Value());
}
if (vmnmx.src_a_width != VideoWidth::Word) {
throw NotImplementedException("VMNMX Source Width {}", vmnmx.src_a_width.Value());
}
const bool is_b_imm{vmnmx.is_src_b_reg == 0};
const IR::U32 src_a{GetReg8(insn)};
@ -76,10 +66,14 @@ void TranslatorVisitor::VMNMX(u64 insn) {
const VideoWidth a_width{vmnmx.src_a_width};
const VideoWidth b_width{GetVideoSourceWidth(vmnmx.src_b_width, is_b_imm)};
const u32 a_selector{static_cast<u32>(vmnmx.src_a_selector)};
// Immediate values can't have a selector
const u32 b_selector{is_b_imm ? 0U : static_cast<u32>(vmnmx.src_b_selector)};
const bool src_a_signed{vmnmx.src_a_sign != 0};
const bool src_b_signed{vmnmx.src_b_sign != 0};
const IR::U32 op_a{ExtractVideoOperandValue(ir, src_a, a_width, 0, src_a_signed)};
const IR::U32 op_b{ExtractVideoOperandValue(ir, src_b, b_width, 0, src_b_signed)};
const IR::U32 op_a{ExtractVideoOperandValue(ir, src_a, a_width, a_selector, src_a_signed)};
const IR::U32 op_b{ExtractVideoOperandValue(ir, src_b, b_width, b_selector, src_b_signed)};
// First operation's sign is only dependent on operand b's sign
const bool op_1_signed{src_b_signed};