Merge pull request #1029 from amdrexu/feature2

Implement extension GL_AMD_shader_image_load_store_lod

diff --cc SPIRV/GlslangToSpv.cpp
Simple merge

diff --cc SPIRV/doc.cpp
index 037a9749770c23d13901b7ebdc64237cac764175,fa12ab02a1d7f433fc9978f38471932604f129cf..2fe5d9ce2c067c1a70102d5b4e03e2c74d874ca6
--- 1/SPIRV/doc.cpp
--- 2/SPIRV/doc.cpp
+++ b/SPIRV/doc.cpp
@@@ -843,10 -842,9 +843,11 @@@ const char* CapabilityString(int info
      case 4437: return "DeviceGroup";
      case 4439: return "MultiView";
  
 +    case 5013: return "StencilExportEXT";
 +
  #ifdef AMD_EXTENSIONS
      case 5009: return "ImageGatherBiasLodAMD";
+     case 5015: return "ImageReadWriteLodAMD";
  #endif
  
      case 4445: return "AtomicStorageOps";