diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/shader/decode/image.cpp | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/src/video_core/shader/decode/image.cpp b/src/video_core/shader/decode/image.cpp index ae41e1149..077bad037 100644 --- a/src/video_core/shader/decode/image.cpp +++ b/src/video_core/shader/decode/image.cpp @@ -80,10 +80,34 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) { switch (instr.suldst.GetStoreDataLayout()) { case StoreType::Bits32: { - MetaImage meta{image, {}, {}}; - Node value = Operation(OperationCode::ImageLoad, meta, GetCoordinates(type)); - SetTemporary(bb, 0, std::move(value)); - SetRegister(bb, instr.gpr0.Value(), GetTemporary(0)); + Node value{}; + for (s32 i = 3; i >= 0; i--) { + MetaImage meta{image, {}, i}; + Node element_value = + Operation(OperationCode::ImageLoad, meta, GetCoordinates(type)); + + const Node comp = GetPredicateComparisonFloat(PredCondition::GreaterEqual, + element_value, Immediate(1.0f)); + const Node mul = + Operation(OperationCode::Select, comp, Immediate(1.f), Immediate(255.f)); + + Node element = Operation(OperationCode::FMul, NO_PRECISE, element_value, mul); + element = SignedOperation(OperationCode::ICastFloat, true, NO_PRECISE, + std::move(element)); + element = Operation(OperationCode::ULogicalShiftLeft, std::move(element), + Immediate(8 * i)); + if (i == 3) { + //(namkazt) for now i'm force it to 0 at alpha component if color is in + // range (0-255) + value = Operation(OperationCode::Select, comp, Immediate(0), + std::move(element)); + } else { + value = Operation(OperationCode::UBitwiseOr, value, + Operation(OperationCode::Select, comp, + std::move(element_value), std::move(element))); + } + } + SetRegister(bb, instr.gpr0.Value(), std::move(value)); break; } default: |