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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/config/gpu_preferences.h"
#include "base/base64.h"
#include "base/command_line.h"
#include "base/strings/string_number_conversions.h"
#include "base/system/sys_info.h"
#include "gpu/config/gpu_switches.h"
#include "gpu/ipc/common/gpu_preferences.mojom.h"
namespace gpu {
namespace {
#if !BUILDFLAG(IS_ANDROID)
size_t GetCustomGpuCacheSizeBytesIfExists(base::StringPiece switch_string) {
const base::CommandLine& process_command_line =
*base::CommandLine::ForCurrentProcess();
size_t cache_size;
if (process_command_line.HasSwitch(switch_string)) {
if (base::StringToSizeT(
process_command_line.GetSwitchValueASCII(switch_string),
&cache_size)) {
return cache_size * 1024; // Bytes
}
}
return 0;
}
#endif
} // namespace
size_t GetDefaultGpuDiskCacheSize() {
#if !BUILDFLAG(IS_ANDROID)
size_t custom_cache_size =
GetCustomGpuCacheSizeBytesIfExists(switches::kGpuDiskCacheSizeKB);
if (custom_cache_size)
return custom_cache_size;
return kDefaultMaxProgramCacheMemoryBytes;
#else // !BUILDFLAG(IS_ANDROID)
if (!base::SysInfo::IsLowEndDevice())
return kDefaultMaxProgramCacheMemoryBytes;
else
return kLowEndMaxProgramCacheMemoryBytes;
#endif // !BUILDFLAG(IS_ANDROID)
}
GpuPreferences::GpuPreferences() = default;
GpuPreferences::GpuPreferences(const GpuPreferences& other) = default;
GpuPreferences::~GpuPreferences() = default;
std::string GpuPreferences::ToSwitchValue() {
std::vector<uint8_t> serialized = gpu::mojom::GpuPreferences::Serialize(this);
std::string encoded;
base::Base64Encode(
base::StringPiece(reinterpret_cast<const char*>(serialized.data()),
serialized.size()),
&encoded);
return encoded;
}
bool GpuPreferences::FromSwitchValue(const std::string& data) {
std::string decoded;
if (!base::Base64Decode(data, &decoded))
return false;
if (!gpu::mojom::GpuPreferences::Deserialize(decoded.data(), decoded.size(),
this)) {
return false;
}
return true;
}
} // namespace gpu
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