diff options
Diffstat (limited to 'src/video_core/shader/shader_interpreter.cpp')
| -rw-r--r-- | src/video_core/shader/shader_interpreter.cpp | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/src/video_core/shader/shader_interpreter.cpp b/src/video_core/shader/shader_interpreter.cpp index 6b83d2c1c..ae5a30441 100644 --- a/src/video_core/shader/shader_interpreter.cpp +++ b/src/video_core/shader/shader_interpreter.cpp @@ -228,13 +228,12 @@ void RunInterpreter(UnitState<Debug>& state) { { Record<DebugDataRecord::SRC1>(state.debug, iteration, src1); Record<DebugDataRecord::DEST_IN>(state.debug, iteration, dest); + float24 rcp_res = float24::FromFloat32(1.0f / src1[0].ToFloat32()); for (int i = 0; i < 4; ++i) { if (!swizzle.DestComponentEnabled(i)) continue; - // TODO: Be stable against division by zero! - // TODO: I think this might be wrong... we should only use one component here - dest[i] = float24::FromFloat32(1.0f / src1[i].ToFloat32()); + dest[i] = rcp_res; } Record<DebugDataRecord::DEST_OUT>(state.debug, iteration, dest); break; @@ -245,13 +244,12 @@ void RunInterpreter(UnitState<Debug>& state) { { Record<DebugDataRecord::SRC1>(state.debug, iteration, src1); Record<DebugDataRecord::DEST_IN>(state.debug, iteration, dest); + float24 rsq_res = float24::FromFloat32(1.0f / std::sqrt(src1[0].ToFloat32())); for (int i = 0; i < 4; ++i) { if (!swizzle.DestComponentEnabled(i)) continue; - // TODO: Be stable against division by zero! - // TODO: I think this might be wrong... we should only use one component here - dest[i] = float24::FromFloat32(1.0f / sqrt(src1[i].ToFloat32())); + dest[i] = rsq_res; } Record<DebugDataRecord::DEST_OUT>(state.debug, iteration, dest); break; |