Fix warnings about unhandled enum value in switch [-Wswitch]

Fixes GCC 5 warnings of the form:

core/io/http_client.cpp:288:9: warning: enumeration value 'STATUS_SSL_HANDSHAKE_ERROR' not handled in switch [-Wswitch]
core/io/marshalls.cpp:806:9: warning: enumeration value 'AABB' not handled in switch [-Wswitch]

Those can be trivial cases where adding a default fallback is the solution,
or more complex issues/hidden bugs where missed values are actually meant
to be handled.

3 files changed, 28 insertions, 1 deletions

diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index e74fe113c0..1fcd4e02ac 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -1282,6 +1282,8 @@ bool RasterizerSceneGLES3::_setup_material(RasterizerStorageGLES3::Material *p_m
 				case ShaderLanguage::TYPE_SAMPLER2DARRAY: {
 					// TODO
 				} break;
+
+				default: {}
 			}
 		}
 
@@ -1509,6 +1511,7 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 			}
 
 		} break;
+		default: {}
 	}
 }
 
@@ -1830,6 +1833,7 @@ void RasterizerSceneGLES3::_render_geometry(RenderList::Element *e) {
 			}
 
 		} break;
+		default: {}
 	}
 }
 
@@ -3210,6 +3214,7 @@ void RasterizerSceneGLES3::_fill_render_list(InstanceBase **p_cull_result, int p
 				}
 
 			} break;
+			default: {}
 		}
 	}
 }
@@ -4296,7 +4301,6 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 	if (env) {
 		switch (env->bg_mode) {
 			case VS::ENV_BG_COLOR_SKY:
-
 			case VS::ENV_BG_SKY:
 
 				sky = storage->sky_owner.getornull(env->sky);
@@ -4334,6 +4338,7 @@ void RasterizerSceneGLES3::render_scene(const Transform &p_cam_transform, const
 				glEnable(GL_DEPTH_TEST);
 				glEnable(GL_CULL_FACE);
 				break;
+			default: {}
 		}
 	}
 
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 67863ac63e..c72e8eecda 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -1905,6 +1905,7 @@ void RasterizerStorageGLES3::_update_shader(Shader *p_shader) const {
 			actions = &shaders.actions_particles;
 			actions->uniforms = &p_shader->uniforms;
 		} break;
+		case VS::SHADER_MAX: break; // Can't happen, but silences warning
 	}
 
 	Error err = shaders.compiler.compile(p_shader->mode, p_shader->code, actions, p_shader->path, gen_code);
@@ -2028,6 +2029,14 @@ void RasterizerStorageGLES3::shader_get_param_list(RID p_shader, List<PropertyIn
 				pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
 				pi.hint_string = "Texture";
 			} break;
+			case ShaderLanguage::TYPE_SAMPLER2DARRAY:
+			case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
+			case ShaderLanguage::TYPE_USAMPLER2DARRAY: {
+
+				pi.type = Variant::OBJECT;
+				pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
+				pi.hint_string = "TextureArray";
+			} break;
 			case ShaderLanguage::TYPE_SAMPLER3D:
 			case ShaderLanguage::TYPE_ISAMPLER3D:
 			case ShaderLanguage::TYPE_USAMPLER3D: {
@@ -4961,6 +4970,7 @@ void RasterizerStorageGLES3::light_set_param(RID p_light, VS::LightParam p_param
 			light->version++;
 			light->instance_change_notify();
 		} break;
+		default: {}
 	}
 
 	light->param[p_param] = p_value;
diff --git a/drivers/gles3/shader_compiler_gles3.cpp b/drivers/gles3/shader_compiler_gles3.cpp
index 350107de69..dbc8507951 100644
--- a/drivers/gles3/shader_compiler_gles3.cpp
+++ b/drivers/gles3/shader_compiler_gles3.cpp
@@ -79,6 +79,12 @@ static int _get_datatype_size(SL::DataType p_type) {
 		case SL::TYPE_SAMPLER2D: return 16;
 		case SL::TYPE_ISAMPLER2D: return 16;
 		case SL::TYPE_USAMPLER2D: return 16;
+		case SL::TYPE_SAMPLER2DARRAY: return 16;
+		case SL::TYPE_ISAMPLER2DARRAY: return 16;
+		case SL::TYPE_USAMPLER2DARRAY: return 16;
+		case SL::TYPE_SAMPLER3D: return 16;
+		case SL::TYPE_ISAMPLER3D: return 16;
+		case SL::TYPE_USAMPLER3D: return 16;
 		case SL::TYPE_SAMPLERCUBE: return 16;
 	}
 
@@ -112,6 +118,12 @@ static int _get_datatype_alignment(SL::DataType p_type) {
 		case SL::TYPE_SAMPLER2D: return 16;
 		case SL::TYPE_ISAMPLER2D: return 16;
 		case SL::TYPE_USAMPLER2D: return 16;
+		case SL::TYPE_SAMPLER2DARRAY: return 16;
+		case SL::TYPE_ISAMPLER2DARRAY: return 16;
+		case SL::TYPE_USAMPLER2DARRAY: return 16;
+		case SL::TYPE_SAMPLER3D: return 16;
+		case SL::TYPE_ISAMPLER3D: return 16;
+		case SL::TYPE_USAMPLER3D: return 16;
 		case SL::TYPE_SAMPLERCUBE: return 16;
 	}