Resource Management 5: D3D support for resource allocation.
Refactor existing resource allocators by adding a memory type
and memory handle.
BUG=dawn:27, dawn:153
Change-Id: I090b6ab40e7eaa0d7ea5ce1e8b760e961be9b559
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9420
Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
diff --git a/src/dawn_native/ResourceMemoryAllocation.cpp b/src/dawn_native/ResourceMemoryAllocation.cpp
new file mode 100644
index 0000000..1ace4d4
--- /dev/null
+++ b/src/dawn_native/ResourceMemoryAllocation.cpp
@@ -0,0 +1,53 @@
+// Copyright 2019 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 "dawn_native/ResourceMemoryAllocation.h"
+#include "common/Assert.h"
+
+#include <limits>
+
+namespace dawn_native {
+
+ static constexpr uint64_t INVALID_OFFSET = std::numeric_limits<uint64_t>::max();
+
+ ResourceMemoryAllocation::ResourceMemoryAllocation()
+ : mMethod(AllocationMethod::kInvalid), mOffset(INVALID_OFFSET), mResourceHeap(nullptr) {
+ }
+
+ ResourceMemoryAllocation::ResourceMemoryAllocation(uint64_t offset,
+ ResourceHeapBase* resourceHeap,
+ AllocationMethod method)
+ : mMethod(method), mOffset(offset), mResourceHeap(resourceHeap) {
+ }
+
+ ResourceHeapBase* ResourceMemoryAllocation::GetResourceHeap() const {
+ ASSERT(mMethod != AllocationMethod::kInvalid);
+ return mResourceHeap;
+ }
+
+ uint64_t ResourceMemoryAllocation::GetOffset() const {
+ ASSERT(mMethod != AllocationMethod::kInvalid);
+ return mOffset;
+ }
+
+ AllocationMethod ResourceMemoryAllocation::GetAllocationMethod() const {
+ ASSERT(mMethod != AllocationMethod::kInvalid);
+ return mMethod;
+ }
+
+ void ResourceMemoryAllocation::Invalidate() {
+ mResourceHeap = nullptr;
+ mMethod = AllocationMethod::kInvalid;
+ }
+} // namespace dawn_native
\ No newline at end of file
