GPUProcessWakeupMessageArguments.h [plain text]
#pragma once
#if ENABLE(GPU_PROCESS)
#include <WebCore/DisplayList.h>
#include <WebCore/RenderingResourceIdentifier.h>
namespace WebKit {
enum class GPUProcessWakeupReason : uint8_t {
Unspecified,
ItemCountHysteresisExceeded
};
struct GPUProcessWakeupMessageArguments {
WebCore::DisplayList::ItemBufferIdentifier itemBufferIdentifier;
uint64_t offset { 0 };
WebCore::RenderingResourceIdentifier destinationImageBufferIdentifier;
GPUProcessWakeupReason reason { GPUProcessWakeupReason::Unspecified };
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<GPUProcessWakeupMessageArguments> decode(Decoder&);
};
template<class Encoder>
void GPUProcessWakeupMessageArguments::encode(Encoder& encoder) const
{
encoder << itemBufferIdentifier;
encoder << offset;
encoder << destinationImageBufferIdentifier;
encoder << reason;
}
template<class Decoder>
Optional<GPUProcessWakeupMessageArguments> GPUProcessWakeupMessageArguments::decode(Decoder& decoder)
{
Optional<WebCore::DisplayList::ItemBufferIdentifier> itemBufferIdentifier;
decoder >> itemBufferIdentifier;
if (!itemBufferIdentifier)
return WTF::nullopt;
Optional<uint64_t> offset;
decoder >> offset;
if (!offset)
return WTF::nullopt;
Optional<WebCore::RenderingResourceIdentifier> destinationImageBufferIdentifier;
decoder >> destinationImageBufferIdentifier;
if (!destinationImageBufferIdentifier)
return WTF::nullopt;
Optional<GPUProcessWakeupReason> reason;
decoder >> reason;
if (!reason)
return WTF::nullopt;
return {{ *itemBufferIdentifier, *offset, *destinationImageBufferIdentifier, *reason }};
}
}
namespace WTF {
template<> struct EnumTraits<WebKit::GPUProcessWakeupReason> {
using values = EnumValues<
WebKit::GPUProcessWakeupReason,
WebKit::GPUProcessWakeupReason::Unspecified,
WebKit::GPUProcessWakeupReason::ItemCountHysteresisExceeded
>;
};
}
#endif // ENABLE(GPU_PROCESS)