1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/layers/LayersTypes.cpp b/gfx/layers/LayersTypes.cpp
new file mode 100644
index 0000000000..8d0ddb9d31
--- /dev/null
+++ b/gfx/layers/LayersTypes.cpp
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "LayersTypes.h"
+
+#include <cinttypes>
+#include "nsPrintfCString.h"
+#include "mozilla/gfx/gfxVars.h"
+
+#ifdef XP_WIN
+#  include "gfxConfig.h"
+#  include "mozilla/StaticPrefs_gfx.h"
+#endif
+
+namespace mozilla {
+namespace layers {
+
+const char* kCompositionPayloadTypeNames[kCompositionPayloadTypeCount] = {
+    "KeyPress",
+    "APZScroll",
+    "APZPinchZoom",
+    "ContentPaint",
+    "MouseUpFollowedByClick",
+};
+
+const char* GetLayersBackendName(LayersBackend aBackend) {
+  switch (aBackend) {
+    case LayersBackend::LAYERS_NONE:
+      return "none";
+    case LayersBackend::LAYERS_WR:
+      if (gfx::gfxVars::UseSoftwareWebRender()) {
+#ifdef XP_WIN
+        if (gfx::gfxVars::AllowSoftwareWebRenderD3D11() &&
+            gfx::gfxConfig::IsEnabled(gfx::Feature::D3D11_COMPOSITING)) {
+          return "webrender_software_d3d11";
+        }
+#endif
+        return "webrender_software";
+      }
+      return "webrender";
+    default:
+      MOZ_ASSERT_UNREACHABLE("unknown layers backend");
+      return "unknown";
+  }
+}
+
+std::ostream& operator<<(std::ostream& aStream, const LayersId& aId) {
+  return aStream << nsPrintfCString("0x%" PRIx64, aId.mId).get();
+}
+
+/* static */
+CompositableHandle CompositableHandle::GetNext() {
+  static std::atomic<uint64_t> sCounter = 0;
+  return CompositableHandle{++sCounter};
+}
+
+/* static */
+RemoteTextureId RemoteTextureId::GetNext() {
+  static std::atomic<uint64_t> sCounter = 0;
+  return RemoteTextureId{++sCounter};
+}
+
+/* static */
+RemoteTextureOwnerId RemoteTextureOwnerId::GetNext() {
+  static std::atomic<uint64_t> sCounter = 0;
+  return RemoteTextureOwnerId{++sCounter};
+}
+
+/* static */
+GpuProcessTextureId GpuProcessTextureId::GetNext() {
+  if (!XRE_IsGPUProcess()) {
+    MOZ_ASSERT_UNREACHABLE("unexpected to be called");
+    return GpuProcessTextureId{};
+  }
+
+  static std::atomic<uint64_t> sCounter = 0;
+  return GpuProcessTextureId{++sCounter};
+}
+
+}  // namespace layers
+}  // namespace mozilla