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[chromium-blink-merge.git] / ui / gl / gl_image_ref_counted_memory.cc
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1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "ui/gl/gl_image_ref_counted_memory.h"
7 #include "base/logging.h"
8 #include "base/memory/ref_counted_memory.h"
10 namespace gfx {
12 GLImageRefCountedMemory::GLImageRefCountedMemory(const gfx::Size& size,
13 unsigned internalformat)
14 : GLImageMemory(size, internalformat) {
17 GLImageRefCountedMemory::~GLImageRefCountedMemory() {
18 DCHECK(!ref_counted_memory_.get());
21 bool GLImageRefCountedMemory::Initialize(
22 base::RefCountedMemory* ref_counted_memory,
23 gfx::BufferFormat format) {
24 if (!GLImageMemory::Initialize(ref_counted_memory->front(), format))
25 return false;
27 DCHECK(!ref_counted_memory_.get());
28 ref_counted_memory_ = ref_counted_memory;
29 return true;
32 void GLImageRefCountedMemory::Destroy(bool have_context) {
33 GLImageMemory::Destroy(have_context);
34 ref_counted_memory_ = NULL;
37 void GLImageRefCountedMemory::OnMemoryDump(
38 base::trace_event::ProcessMemoryDump* pmd,
39 uint64_t process_tracing_id,
40 const std::string& dump_name) {
41 // Log size 0 if |ref_counted_memory_| has been released.
42 size_t size_in_bytes = ref_counted_memory_ ? ref_counted_memory_->size() : 0;
44 // Dump under "/private_memory", as the base class may also dump to
45 // "/texture_memory".
46 base::trace_event::MemoryAllocatorDump* dump =
47 pmd->CreateAllocatorDump(dump_name + "/private_memory");
48 dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
49 base::trace_event::MemoryAllocatorDump::kUnitsBytes,
50 static_cast<uint64_t>(size_in_bytes));
52 pmd->AddSuballocation(dump->guid(),
53 base::trace_event::MemoryDumpManager::GetInstance()
54 ->system_allocator_pool_name());
56 // Also dump the base class's texture memory.
57 GLImageMemory::OnMemoryDump(pmd, process_tracing_id, dump_name);
60 } // namespace gfx