[D3D12] DXBC: Fix two uninitialized register usages in ROV code, better comments

2020-02-13 08:31:01 +03:00
parent cc47704a6b
commit b59ae30ec3
3 changed files with 24 additions and 9 deletions
--- a/src/xenia/gpu/dxbc_shader_translator_om.cc
+++ b/src/xenia/gpu/dxbc_shader_translator_om.cc
@@ -880,6 +880,10 @@ void DxbcShaderTranslator::ROV_PackPreClampedColor(
  DxbcDest temp2_dest(DxbcDest::R(temp2, 1 << temp2_component));
  DxbcSrc temp2_src(DxbcSrc::R(temp2).Select(temp2_component));

+  // Break register dependency after 32bpp cases.
+  DxbcOpMov(DxbcDest::R(packed_temp, 1 << (packed_temp_components + 1)),
+            DxbcSrc::LU(0));
+
  // Choose the packing based on the render target's format.
  system_constants_used_ |= 1ull << kSysConst_EDRAMRTFormatFlags_Index;
  DxbcOpSwitch(DxbcSrc::CB(cbuffer_index_system_constants_,