node: Refactor toggles loading into its own file
Change-Id: I6fd05a7af9e81a263d2da974182fed7f64380e27
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/140301
Commit-Queue: David Neto <dneto@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/src/dawn/node/binding/CMakeLists.txt b/src/dawn/node/binding/CMakeLists.txt
index 445017c..69b6e93 100644
--- a/src/dawn/node/binding/CMakeLists.txt
+++ b/src/dawn/node/binding/CMakeLists.txt
@@ -71,6 +71,8 @@
"GPUTextureView.h"
"Split.cpp"
"Split.h"
+ "TogglesLoader.cpp"
+ "TogglesLoader.h"
)
common_compile_options(dawn_node_binding)
diff --git a/src/dawn/node/binding/GPUAdapter.cpp b/src/dawn/node/binding/GPUAdapter.cpp
index 97935ac..922755c 100644
--- a/src/dawn/node/binding/GPUAdapter.cpp
+++ b/src/dawn/node/binding/GPUAdapter.cpp
@@ -25,7 +25,7 @@
#include "src/dawn/node/binding/GPUDevice.h"
#include "src/dawn/node/binding/GPUSupportedFeatures.h"
#include "src/dawn/node/binding/GPUSupportedLimits.h"
-#include "src/dawn/node/binding/Split.h"
+#include "src/dawn/node/binding/TogglesLoader.h"
#define FOR_EACH_LIMIT(X) \
X(maxTextureDimension1D) \
@@ -132,37 +132,14 @@
return promise;
}
- // Propogate enabled/disabled dawn features
- // Note: DawnTogglesDescriptor::enabledToggles and disabledToggles are vectors of 'const char*',
- // so we make sure the parsed strings survive the CreateDevice() call by storing them on the
- // stack.
- std::vector<std::string> enabledTogglesString;
- std::vector<std::string> disabledTogglesString;
- std::vector<const char*> enabledToggles;
- std::vector<const char*> disabledToggles;
- if (auto values = flags_.Get("enable-dawn-features")) {
- enabledTogglesString = Split(*values, ',');
- for (auto& t : enabledTogglesString) {
- enabledToggles.emplace_back(t.c_str());
- }
- }
- if (auto values = flags_.Get("disable-dawn-features")) {
- disabledTogglesString = Split(*values, ',');
- for (auto& t : disabledTogglesString) {
- disabledToggles.emplace_back(t.c_str());
- }
- }
-
desc.requiredFeaturesCount = requiredFeatures.size();
desc.requiredFeatures = requiredFeatures.data();
desc.requiredLimits = &limits;
- DawnTogglesDescriptor deviceTogglesDesc = {};
+ // Propagate enabled/disabled dawn features
+ TogglesLoader togglesLoader(flags_);
+ DawnTogglesDescriptor deviceTogglesDesc = togglesLoader.GetDescriptor();
desc.nextInChain = &deviceTogglesDesc;
- deviceTogglesDesc.enabledTogglesCount = enabledToggles.size();
- deviceTogglesDesc.enabledToggles = enabledToggles.data();
- deviceTogglesDesc.disabledTogglesCount = disabledToggles.size();
- deviceTogglesDesc.disabledToggles = disabledToggles.data();
auto wgpu_device = adapter_.CreateDevice(&desc);
if (wgpu_device) {
diff --git a/src/dawn/node/binding/TogglesLoader.cpp b/src/dawn/node/binding/TogglesLoader.cpp
new file mode 100644
index 0000000..28a40fb
--- /dev/null
+++ b/src/dawn/node/binding/TogglesLoader.cpp
@@ -0,0 +1,43 @@
+// Copyright 2023 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "src/dawn/node/binding/TogglesLoader.h"
+#include "src/dawn/node/binding/Split.h"
+
+namespace wgpu::binding {
+
+TogglesLoader::TogglesLoader(const Flags& flags) {
+ if (auto values = flags.Get("enable-dawn-features")) {
+ enabledTogglesStrings_ = Split(*values, ',');
+ for (auto& t : enabledTogglesStrings_) {
+ enabledToggles_.emplace_back(t.c_str());
+ }
+ }
+ if (auto values = flags.Get("disable-dawn-features")) {
+ disabledTogglesStrings_ = Split(*values, ',');
+ for (auto& t : disabledTogglesStrings_) {
+ disabledToggles_.emplace_back(t.c_str());
+ }
+ }
+}
+
+DawnTogglesDescriptor TogglesLoader::GetDescriptor() {
+ DawnTogglesDescriptor result;
+ result.enabledTogglesCount = enabledToggles_.size();
+ result.enabledToggles = enabledToggles_.data();
+ result.disabledTogglesCount = disabledToggles_.size();
+ result.disabledToggles = disabledToggles_.data();
+ return result;
+}
+} // namespace wgpu::binding
diff --git a/src/dawn/node/binding/TogglesLoader.h b/src/dawn/node/binding/TogglesLoader.h
new file mode 100644
index 0000000..fb2fe27
--- /dev/null
+++ b/src/dawn/node/binding/TogglesLoader.h
@@ -0,0 +1,53 @@
+// Copyright 2023 The Dawn Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef SRC_DAWN_NODE_BINDING_TOGGLESLOADER_H_
+#define SRC_DAWN_NODE_BINDING_TOGGLESLOADER_H_
+
+#include <string>
+#include <vector>
+
+#include "dawn/webgpu_cpp.h"
+#include "src/dawn/node/binding/Flags.h"
+
+namespace wgpu::binding {
+class TogglesLoader {
+ public:
+ // Constructor, reading toggles from the "enable-dawn-features"
+ // and "disable-dawn-features" flags.
+ explicit TogglesLoader(const Flags& flags);
+
+ // Returns a DawnTogglesDescriptor populated with toggles
+ // read at constructor time. It is only valid for the lifetime
+ // of this TogglesLoader object.
+ DawnTogglesDescriptor GetDescriptor();
+
+ private:
+ // Ban copy-assignment and copy-construction. The compiler will
+ // create implicitly-declared move-constructor and move-assignment
+ // implementations as needed.
+ TogglesLoader(const TogglesLoader& other) = delete;
+ TogglesLoader& operator=(const TogglesLoader&) = delete;
+
+ // DawnTogglesDescriptor::enabledToggles and disabledToggles are vectors
+ // of 'const char*', so keep local copies of the strings, and don't allow
+ // them to be relocated.
+ std::vector<std::string> enabledTogglesStrings_;
+ std::vector<std::string> disabledTogglesStrings_;
+ std::vector<const char*> enabledToggles_;
+ std::vector<const char*> disabledToggles_;
+};
+} // namespace wgpu::binding
+
+#endif // SRC_DAWN_NODE_BINDING_TOGGLESLOADER_H_