video_core: Enforce -Werror=switch

This forces us to fix all -Wswitch warnings in video_core.

src/video_core/CMakeLists.txt

@@ -269,5 +269,5 @@ endif()
 if (MSVC)
     target_compile_options(video_core PRIVATE /we4267)
 else()
-    target_compile_options(video_core PRIVATE -Werror=conversion -Wno-error=sign-conversion)
+    target_compile_options(video_core PRIVATE -Werror=conversion -Wno-error=sign-conversion -Werror=switch)
 endif()

src/video_core/renderer_opengl/gl_shader_decompiler.cpp

@@ -1443,8 +1443,10 @@ private:
                 return expr + ", vec2(0.0), vec2(0.0))";
             case TextureType::TextureCube:
                 return expr + ", vec3(0.0), vec3(0.0))";
+            default:
+                UNREACHABLE();
+                break;
             }
-            UNREACHABLE();
         }
 
         for (const auto& variant : extras) {

src/video_core/renderer_opengl/maxwell_to_gl.h

@@ -47,6 +47,8 @@ inline GLenum VertexFormat(Maxwell::VertexAttribute attrib) {
             return GL_UNSIGNED_INT;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return GL_UNSIGNED_INT_2_10_10_10_REV;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::SignedNorm:
@@ -70,6 +72,8 @@ inline GLenum VertexFormat(Maxwell::VertexAttribute attrib) {
             return GL_INT;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return GL_INT_2_10_10_10_REV;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::Float:
@@ -84,6 +88,8 @@ inline GLenum VertexFormat(Maxwell::VertexAttribute attrib) {
         case Maxwell::VertexAttribute::Size::Size_32_32_32:
         case Maxwell::VertexAttribute::Size::Size_32_32_32_32:
             return GL_FLOAT;
+        default:
+            break;
         }
         break;
     }

src/video_core/renderer_vulkan/maxwell_to_vk.cpp

@@ -78,9 +78,10 @@ VkSamplerAddressMode WrapMode(const VKDevice& device, Tegra::Texture::WrapMode w
     case Tegra::Texture::WrapMode::MirrorOnceBorder:
         UNIMPLEMENTED();
         return VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented wrap mode={}", static_cast<u32>(wrap_mode));
+        return {};
     }
-    UNIMPLEMENTED_MSG("Unimplemented wrap mode={}", static_cast<u32>(wrap_mode));
-    return {};
 }
 
 VkCompareOp DepthCompareFunction(Tegra::Texture::DepthCompareFunc depth_compare_func) {
@@ -298,9 +299,10 @@ VkPrimitiveTopology PrimitiveTopology([[maybe_unused]] const VKDevice& device,
         return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
     case Maxwell::PrimitiveTopology::Patches:
         return VK_PRIMITIVE_TOPOLOGY_PATCH_LIST;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented topology={}", static_cast<u32>(topology));
+        return {};
     }
-    UNIMPLEMENTED_MSG("Unimplemented topology={}", static_cast<u32>(topology));
-    return {};
 }
 
 VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttribute::Size size) {
@@ -325,6 +327,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R16G16B16A16_UNORM;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return VK_FORMAT_A2B10G10R10_UNORM_PACK32;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::SignedNorm:
@@ -347,6 +351,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R16G16B16A16_SNORM;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return VK_FORMAT_A2B10G10R10_SNORM_PACK32;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::UnsignedScaled:
@@ -369,6 +375,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R16G16B16A16_USCALED;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return VK_FORMAT_A2B10G10R10_USCALED_PACK32;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::SignedScaled:
@@ -391,6 +399,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R16G16B16A16_SSCALED;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return VK_FORMAT_A2B10G10R10_SSCALED_PACK32;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::UnsignedInt:
@@ -421,6 +431,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R32G32B32A32_UINT;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return VK_FORMAT_A2B10G10R10_UINT_PACK32;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::SignedInt:
@@ -451,6 +463,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R32G32B32A32_SINT;
         case Maxwell::VertexAttribute::Size::Size_10_10_10_2:
             return VK_FORMAT_A2B10G10R10_SINT_PACK32;
+        default:
+            break;
         }
         break;
     case Maxwell::VertexAttribute::Type::Float:
@@ -471,6 +485,8 @@ VkFormat VertexFormat(Maxwell::VertexAttribute::Type type, Maxwell::VertexAttrib
             return VK_FORMAT_R32G32B32_SFLOAT;
         case Maxwell::VertexAttribute::Size::Size_32_32_32_32:
             return VK_FORMAT_R32G32B32A32_SFLOAT;
+        default:
+            break;
         }
         break;
     }

src/video_core/renderer_vulkan/wrapper.cpp

@@ -262,6 +262,22 @@ const char* ToString(VkResult result) noexcept {
         return "VK_ERROR_INVALID_DEVICE_ADDRESS_EXT";
     case VkResult::VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT:
         return "VK_ERROR_FULL_SCREEN_EXCLUSIVE_MODE_LOST_EXT";
+    case VkResult::VK_ERROR_UNKNOWN:
+        return "VK_ERROR_UNKNOWN";
+    case VkResult::VK_ERROR_INCOMPATIBLE_VERSION_KHR:
+        return "VK_ERROR_INCOMPATIBLE_VERSION_KHR";
+    case VkResult::VK_THREAD_IDLE_KHR:
+        return "VK_THREAD_IDLE_KHR";
+    case VkResult::VK_THREAD_DONE_KHR:
+        return "VK_THREAD_DONE_KHR";
+    case VkResult::VK_OPERATION_DEFERRED_KHR:
+        return "VK_OPERATION_DEFERRED_KHR";
+    case VkResult::VK_OPERATION_NOT_DEFERRED_KHR:
+        return "VK_OPERATION_NOT_DEFERRED_KHR";
+    case VkResult::VK_PIPELINE_COMPILE_REQUIRED_EXT:
+        return "VK_PIPELINE_COMPILE_REQUIRED_EXT";
+    case VkResult::VK_RESULT_MAX_ENUM:
+        return "VK_RESULT_MAX_ENUM";
     }
     return "Unknown";
 }

src/video_core/shader/decode/arithmetic_half.cpp

@@ -53,6 +53,9 @@ u32 ShaderIR::DecodeArithmeticHalf(NodeBlock& bb, u32 pc) {
         absolute_a = ((instr.value >> 44) & 1) != 0;
         absolute_b = ((instr.value >> 54) & 1) != 0;
         break;
+    default:
+        UNREACHABLE();
+        break;
     }
 
     Node op_a = UnpackHalfFloat(GetRegister(instr.gpr8), instr.alu_half.type_a);

src/video_core/shader/decode/image.cpp

@@ -119,6 +119,8 @@ ComponentType GetComponentType(Tegra::Engines::SamplerDescriptor descriptor,
             return descriptor.r_type;
         }
         break;
+    default:
+        break;
     }
     UNIMPLEMENTED_MSG("Texture format not implemented={}", format);
     return ComponentType::FLOAT;
@@ -220,9 +222,10 @@ u32 GetComponentSize(TextureFormat format, std::size_t component) {
         return (component == 0 || component == 1) ? 8 : 0;
     case TextureFormat::G4R4:
         return (component == 0 || component == 1) ? 4 : 0;
+    default:
+        UNIMPLEMENTED_MSG("Texture format not implemented={}", format);
+        return 0;
     }
-    UNIMPLEMENTED_MSG("Texture format not implemented={}", format);
-    return 0;
 }
 
 std::size_t GetImageComponentMask(TextureFormat format) {
@@ -257,9 +260,10 @@ std::size_t GetImageComponentMask(TextureFormat format) {
     case TextureFormat::R8:
     case TextureFormat::R1:
         return std::size_t{R};
+    default:
+        UNIMPLEMENTED_MSG("Texture format not implemented={}", format);
+        return std::size_t{R | G | B | A};
     }
-    UNIMPLEMENTED_MSG("Texture format not implemented={}", format);
-    return std::size_t{R | G | B | A};
 }
 
 std::size_t GetImageTypeNumCoordinates(Tegra::Shader::ImageType image_type) {
@@ -463,6 +467,8 @@ u32 ShaderIR::DecodeImage(NodeBlock& bb, u32 pc) {
                     return OperationCode::AtomicImageXor;
                 case Tegra::Shader::ImageAtomicOperation::Exch:
                     return OperationCode::AtomicImageExchange;
+                default:
+                    break;
                 }
             default:
                 break;