Fix MSVC warnings on enum class switches

src/backend/opengl/CommandBufferGL.cpp

@@ -41,6 +41,8 @@ namespace opengl {
                 return GL_UNSIGNED_SHORT;
             case nxt::IndexFormat::Uint32:
                 return GL_UNSIGNED_INT;
+            default:
+                UNREACHABLE();
         }
     }
 
@@ -51,6 +53,8 @@ namespace opengl {
             case nxt::VertexFormat::FloatR32G32:
             case nxt::VertexFormat::FloatR32:
                 return GL_FLOAT;
+            default:
+                UNREACHABLE();
         }
     }
 

src/backend/opengl/DepthStencilStateGL.cpp

@@ -16,6 +16,7 @@
 
 #include "backend/opengl/OpenGLBackend.h"
 #include "backend/opengl/PersistentPipelineStateGL.h"
+#include "common/Assert.h"
 
 namespace backend {
 namespace opengl {
@@ -39,6 +40,8 @@ namespace opengl {
                     return GL_EQUAL;
                 case nxt::CompareFunction::Always:
                     return GL_ALWAYS;
+                default:
+                    UNREACHABLE();
             }
         }
 
@@ -60,6 +63,8 @@ namespace opengl {
                     return GL_INCR_WRAP;
                 case nxt::StencilOperation::DecrementWrap:
                     return GL_DECR_WRAP;
+                default:
+                    UNREACHABLE();
             }
         }
     }

src/backend/opengl/PipelineGL.cpp

@@ -36,6 +36,8 @@ namespace opengl {
                     return GL_FRAGMENT_SHADER;
                 case nxt::ShaderStage::Compute:
                     return GL_COMPUTE_SHADER;
+                default:
+                    UNREACHABLE();
             }
         }
 

src/backend/opengl/SamplerGL.cpp

@@ -14,6 +14,8 @@
 
 #include "backend/opengl/SamplerGL.h"
 
+#include "common/Assert.h"
+
 namespace backend {
 namespace opengl {
 
@@ -24,6 +26,8 @@ namespace opengl {
                     return GL_NEAREST;
                 case nxt::FilterMode::Linear:
                     return GL_LINEAR;
+                default:
+                    UNREACHABLE();
             }
         }
 
@@ -35,6 +39,8 @@ namespace opengl {
                             return GL_NEAREST_MIPMAP_NEAREST;
                         case nxt::FilterMode::Linear:
                             return GL_NEAREST_MIPMAP_LINEAR;
+                        default:
+                            UNREACHABLE();
                     }
                 case nxt::FilterMode::Linear:
                     switch (mipMapFilter) {
@@ -42,7 +48,11 @@ namespace opengl {
                             return GL_LINEAR_MIPMAP_NEAREST;
                         case nxt::FilterMode::Linear:
                             return GL_LINEAR_MIPMAP_LINEAR;
+                        default:
+                            UNREACHABLE();
                     }
+                default:
+                    UNREACHABLE();
             }
         }
     }

src/backend/opengl/TextureGL.cpp

@@ -14,6 +14,8 @@
 
 #include "backend/opengl/TextureGL.h"
 
+#include "common/Assert.h"
+
 #include <algorithm>
 #include <vector>
 
@@ -26,6 +28,8 @@ namespace opengl {
             switch (dimension) {
                 case nxt::TextureDimension::e2D:
                     return GL_TEXTURE_2D;
+                default:
+                    UNREACHABLE();
             }
         }
 
@@ -33,6 +37,8 @@ namespace opengl {
             switch (format) {
                 case nxt::TextureFormat::R8G8B8A8Unorm:
                     return {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE};
+                default:
+                    UNREACHABLE();
             }
         }