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shader/decode: Fix constant buffer offsets

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Some instances were using cbuf34.offset instead of cbuf34.GetOffset().
This returned the an invalid offset. Address those instances and rename
offset to "shifted_offset" to avoid future bugs.
This commit is contained in:
ReinUsesLisp 2020-02-05 12:18:33 -03:00
parent a0b4be4262
commit bf9a822b87
3 changed files with 5 additions and 5 deletions
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4
src/video_core/engines/shader_bytecode.h
View file

@ -1657,11 +1657,11 @@ union Instruction {
} xmad;
union {
BitField<20, 14, u64> offset;
BitField<20, 14, u64> shifted_offset;
BitField<34, 5, u64> index;
u64 GetOffset() const {
return offset * 4;
return shifted_offset * 4;
}
} cbuf34;

4
src/video_core/shader/decode/arithmetic_integer.cpp
View file

@ -166,13 +166,13 @@ u32 ShaderIR::DecodeArithmeticInteger(NodeBlock& bb, u32 pc) {
const auto [op_rhs, test] = [&]() -> std::pair<Node, Node> {
switch (opcode->get().GetId()) {
case OpCode::Id::ICMP_CR:
return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset),
return {GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset()),
GetRegister(instr.gpr39)};
case OpCode::Id::ICMP_R:
return {GetRegister(instr.gpr20), GetRegister(instr.gpr39)};
case OpCode::Id::ICMP_RC:
return {GetRegister(instr.gpr39),
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())};
case OpCode::Id::ICMP_IMM:
return {Immediate(instr.alu.GetSignedImm20_20()), GetRegister(instr.gpr39)};
default:

2
src/video_core/shader/decode/bfi.cpp
View file

@ -21,7 +21,7 @@ u32 ShaderIR::DecodeBfi(NodeBlock& bb, u32 pc) {
switch (opcode->get().GetId()) {
case OpCode::Id::BFI_RC:
return {GetRegister(instr.gpr39),
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset)};
GetConstBuffer(instr.cbuf34.index, instr.cbuf34.GetOffset())};
case OpCode::Id::BFI_IMM_R:
return {Immediate(instr.alu.GetSignedImm20_20()), GetRegister(instr.gpr39)};
default: