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-rw-r--r--src/video_core/shader/decode/conversion.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/video_core/shader/decode/conversion.cpp b/src/video_core/shader/decode/conversion.cpp
index 465c63a9e..7c691982d 100644
--- a/src/video_core/shader/decode/conversion.cpp
+++ b/src/video_core/shader/decode/conversion.cpp
@@ -18,6 +18,29 @@ u32 ShaderIR::DecodeConversion(BasicBlock& bb, u32 pc) {
const auto opcode = OpCode::Decode(instr);
switch (opcode->get().GetId()) {
+ case OpCode::Id::I2F_R:
+ case OpCode::Id::I2F_C: {
+ UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
+ UNIMPLEMENTED_IF(instr.conversion.selector);
+ UNIMPLEMENTED_IF_MSG(instr.generates_cc,
+ "Condition codes generation in I2F is not implemented");
+
+ Node value = [&]() {
+ if (instr.is_b_gpr) {
+ return GetRegister(instr.gpr20);
+ } else {
+ return GetConstBuffer(instr.cbuf34.index, instr.cbuf34.offset);
+ }
+ }();
+ const bool input_signed = instr.conversion.is_input_signed;
+ value = ConvertIntegerSize(value, instr.conversion.src_size, input_signed);
+ value = GetOperandAbsNegInteger(value, instr.conversion.abs_a, false, input_signed);
+ value = SignedOperation(OperationCode::FCastInteger, input_signed, PRECISE, value);
+ value = GetOperandAbsNegFloat(value, false, instr.conversion.negate_a);
+
+ SetRegister(bb, instr.gpr0, value);
+ break;
+ }
case OpCode::Id::F2F_R: {
UNIMPLEMENTED_IF(instr.conversion.dest_size != Register::Size::Word);
UNIMPLEMENTED_IF(instr.conversion.src_size != Register::Size::Word);