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// Copyright 2012 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/ipc/common/gpu_command_buffer_traits.h"
#include <stddef.h>
#include <stdint.h>
#include "base/compiler_specific.h"
#include "base/strings/stringprintf.h"
#include "gpu/command_buffer/common/command_buffer_id.h"
#include "gpu/command_buffer/common/mailbox_holder.h"
#include "gpu/command_buffer/common/sync_token.h"
// Generate param traits write methods.
#include "ipc/param_traits_write_macros.h"
namespace IPC {
#include "gpu/ipc/common/gpu_command_buffer_traits_multi.h"
} // namespace IPC
// Generate param traits read methods.
#include "ipc/param_traits_read_macros.h"
namespace IPC {
#include "gpu/ipc/common/gpu_command_buffer_traits_multi.h"
} // namespace IPC
namespace IPC {
void ParamTraits<gpu::SyncToken>::Write(base::Pickle* m, const param_type& p) {
DCHECK(!p.HasData() || p.verified_flush());
WriteParam(m, p.verified_flush());
WriteParam(m, p.namespace_id());
WriteParam(m, p.command_buffer_id());
WriteParam(m, p.release_count());
}
bool ParamTraits<gpu::SyncToken>::Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* p) {
bool verified_flush = false;
gpu::CommandBufferNamespace namespace_id =
gpu::CommandBufferNamespace::INVALID;
gpu::CommandBufferId command_buffer_id;
uint64_t release_count = 0;
if (!ReadParam(m, iter, &verified_flush) ||
!ReadParam(m, iter, &namespace_id) ||
!ReadParam(m, iter, &command_buffer_id) ||
!ReadParam(m, iter, &release_count)) {
return false;
}
p->Set(namespace_id, command_buffer_id, release_count);
if (p->HasData()) {
if (!verified_flush)
return false;
p->SetVerifyFlush();
}
return true;
}
void ParamTraits<gpu::Mailbox>::Write(base::Pickle* m, const param_type& p) {
m->WriteBytes(p.name, sizeof(p.name));
}
bool ParamTraits<gpu::Mailbox>::Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* p) {
const char* bytes = nullptr;
if (!iter->ReadBytes(&bytes, sizeof(p->name)))
return false;
DCHECK(bytes);
UNSAFE_TODO(memcpy(p->name, bytes, sizeof(p->name)));
return true;
}
void ParamTraits<gpu::MailboxHolder>::Write(base::Pickle* m,
const param_type& p) {
WriteParam(m, p.mailbox);
WriteParam(m, p.sync_token);
WriteParam(m, p.texture_target);
}
bool ParamTraits<gpu::MailboxHolder>::Read(const base::Pickle* m,
base::PickleIterator* iter,
param_type* p) {
if (!ReadParam(m, iter, &p->mailbox) || !ReadParam(m, iter, &p->sync_token) ||
!ReadParam(m, iter, &p->texture_target))
return false;
return true;
}
void ParamTraits<gfx::GpuMemoryBufferFormatSet>::Write(base::Pickle* m,
const param_type& p) {
WriteParam(m, p.ToEnumBitmask());
}
bool ParamTraits<gfx::GpuMemoryBufferFormatSet>::Read(
const base::Pickle* m,
base::PickleIterator* iter,
param_type* p) {
uint64_t bitmask = 0;
if (!ReadParam(m, iter, &bitmask)) {
return false;
}
// Check deserialized bitmask contains only bits gfx::GpuMemoryBufferFormatSet
// expects to be set based on largest enum it expects.
if (bitmask & ~gfx::GpuMemoryBufferFormatSet::All().ToEnumBitmask()) {
return false;
}
*p = gfx::GpuMemoryBufferFormatSet::FromEnumBitmask(bitmask);
return true;
}
} // namespace IPC
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