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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/gl_image_ref_counted_memory.h"
#include <stddef.h>
#include "base/logging.h"
#include "base/memory/ref_counted_memory.h"
#include "base/trace_event/memory_allocator_dump.h"
#include "base/trace_event/memory_dump_manager.h"
#include "base/trace_event/process_memory_dump.h"
#include "ui/gfx/buffer_format_util.h"
namespace gl {
GLImageRefCountedMemory::GLImageRefCountedMemory(const gfx::Size& size,
unsigned internalformat)
: GLImageMemory(size, internalformat) {}
GLImageRefCountedMemory::~GLImageRefCountedMemory() {}
bool GLImageRefCountedMemory::Initialize(
base::RefCountedMemory* ref_counted_memory,
gfx::BufferFormat format) {
if (!GLImageMemory::Initialize(
ref_counted_memory->front(), format,
gfx::RowSizeForBufferFormat(GetSize().width(), format, 0))) {
return false;
}
DCHECK(!ref_counted_memory_.get());
ref_counted_memory_ = ref_counted_memory;
return true;
}
void GLImageRefCountedMemory::OnMemoryDump(
base::trace_event::ProcessMemoryDump* pmd,
uint64_t process_tracing_id,
const std::string& dump_name) {
// Log size 0 if |ref_counted_memory_| has been released.
size_t size_in_bytes = ref_counted_memory_ ? ref_counted_memory_->size() : 0;
// Dump under "/private_memory", as the base class may also dump to
// "/texture_memory".
base::trace_event::MemoryAllocatorDump* dump =
pmd->CreateAllocatorDump(dump_name + "/private_memory");
dump->AddScalar(base::trace_event::MemoryAllocatorDump::kNameSize,
base::trace_event::MemoryAllocatorDump::kUnitsBytes,
static_cast<uint64_t>(size_in_bytes));
pmd->AddSuballocation(dump->guid(),
base::trace_event::MemoryDumpManager::GetInstance()
->system_allocator_pool_name());
}
} // namespace gl
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