VideoCommon: Properly mask fbfetch logic op emulation

2022-07-13 02:27:45 -05:00 · 2022-07-13 02:27:45 -05:00 · 6bd0fc86ba
parent 99eef44765
commit 6bd0fc86ba
2 changed files with 2 additions and 1 deletions
--- a/Source/Core/VideoCommon/PixelShaderGen.cpp
+++ b/Source/Core/VideoCommon/PixelShaderGen.cpp
@ -1843,7 +1843,7 @@ static void WriteLogicOp(ShaderCode& out, const pixel_shader_uid_data* uid_data)
  };

  out.Write("\tint4 fb_value = iround(initial_ocol0 * 255.0);\n");
-  out.Write("\tprev = {};\n", logic_op_mode[uid_data->logic_op_mode]);
+  out.Write("\tprev = ({}) & 0xff;\n", logic_op_mode[uid_data->logic_op_mode]);
 }

 static void WriteColor(ShaderCode& out, APIType api_type, const pixel_shader_uid_data* uid_data,
--- a/Source/Core/VideoCommon/UberShaderPixel.cpp
+++ b/Source/Core/VideoCommon/UberShaderPixel.cpp
@ -1086,6 +1086,7 @@ ShaderCode GenPixelShader(APIType api_type, const ShaderHostConfig& host_config,
    }

    out.Write("    }}\n"
+              "    TevResult &= 0xff;\n"
              "  }}\n");
  }