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Fix MAD encoding (MADI might be broken)

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This commit is contained in:
Jannik Vogel 2016-03-09 14:48:45 +01:00
parent 8530a2d7df
commit b50bed8c92
3 changed files with 43 additions and 31 deletions
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8
src/citra_qt/debugger/graphics_vertex_shader.cpp
View File

@ -179,9 +179,17 @@ QVariant GraphicsVertexShaderModel::data(const QModelIndex& index, int role) con
AlignToColumn(kOutputColumnWidth);
print_input(output, src1, swizzle.negate_src1, SelectorToString(swizzle.src1_selector));
AlignToColumn(kInputOperandColumnWidth);
if (src_is_inverted) {
print_input(output, src2, swizzle.negate_src2, SelectorToString(swizzle.src2_selector));
} else {
print_input(output, src2, swizzle.negate_src2, SelectorToString(swizzle.src2_selector), true, instr.mad.AddressRegisterName());
}
AlignToColumn(kInputOperandColumnWidth);
if (src_is_inverted) {
print_input(output, src3, swizzle.negate_src3, SelectorToString(swizzle.src3_selector), true, instr.mad.AddressRegisterName());
} else {
print_input(output, src3, swizzle.negate_src3, SelectorToString(swizzle.src3_selector));
}
AlignToColumn(kInputOperandColumnWidth);
break;
}

7
src/video_core/shader/shader_interpreter.cpp
View File

@ -413,9 +413,12 @@ void RunInterpreter(UnitState<Debug>& state) {
bool is_inverted = (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI);
const int address_offset = (instr.mad.address_register_index == 0)
? 0 : state.address_registers[instr.mad.address_register_index - 1];
const float24* src1_ = LookupSourceRegister(instr.mad.GetSrc1(is_inverted));
const float24* src2_ = LookupSourceRegister(instr.mad.GetSrc2(is_inverted));
const float24* src3_ = LookupSourceRegister(instr.mad.GetSrc3(is_inverted));
const float24* src2_ = LookupSourceRegister(instr.mad.GetSrc2(is_inverted) + (!is_inverted * address_offset));
const float24* src3_ = LookupSourceRegister(instr.mad.GetSrc3(is_inverted) + ( is_inverted * address_offset));
const bool negate_src1 = ((bool)swizzle.negate_src1 != false);
const bool negate_src2 = ((bool)swizzle.negate_src2 != false);

31
src/video_core/shader/shader_jit_x64.cpp
View File

@ -160,23 +160,25 @@ void JitCompiler::Compile_SwizzleSrc(Instruction instr, unsigned src_num, Source
ASSERT_MSG(src_offset == src_offset_disp, "Source register offset too large for int type");
unsigned operand_desc_id;
if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD ||
instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI) {
// The MAD and MADI instructions do not use the address offset registers, so loading the
// source is a bit simpler here
operand_desc_id = instr.mad.operand_desc_id;
// Load the source
MOVAPS(dest, MDisp(src_ptr, src_offset_disp));
} else {
operand_desc_id = instr.common.operand_desc_id;
const bool is_inverted = (0 != (instr.opcode.Value().GetInfo().subtype & OpCode::Info::SrcInversed));
unsigned offset_src = is_inverted ? 2 : 1;
if (src_num == offset_src && instr.common.address_register_index != 0) {
switch (instr.common.address_register_index) {
unsigned address_register_index;
unsigned offset_src;
if (instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MAD ||
instr.opcode.Value().EffectiveOpCode() == OpCode::Id::MADI) {
operand_desc_id = instr.mad.operand_desc_id;
offset_src = is_inverted ? 3 : 2;
address_register_index = instr.mad.address_register_index;
} else {
operand_desc_id = instr.common.operand_desc_id;
offset_src = is_inverted ? 2 : 1;
address_register_index = instr.common.address_register_index;
}
if (src_num == offset_src && address_register_index != 0) {
switch (address_register_index) {
case 1: // address offset 1
MOVAPS(dest, MComplex(src_ptr, ADDROFFS_REG_0, SCALE_1, src_offset_disp));
break;
@ -194,7 +196,6 @@ void JitCompiler::Compile_SwizzleSrc(Instruction instr, unsigned src_num, Source
// Load the source
MOVAPS(dest, MDisp(src_ptr, src_offset_disp));
}
}
SwizzlePattern swiz = { g_state.vs.swizzle_data[operand_desc_id] };