gpu/ipc/gpu_command_buffer_traits.cc

   1 // Copyright (c) 2012 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.
   4
   5 #include "gpu/ipc/gpu_command_buffer_traits.h"
   6 #include "gpu/command_buffer/common/mailbox_holder.h"
   7
   8 namespace IPC {
   9
  10 void ParamTraits<gpu::CommandBuffer::State> ::Write(Message* m,
  11                                                     const param_type& p) {
  12   WriteParam(m, p.num_entries);
  13   WriteParam(m, p.get_offset);
  14   WriteParam(m, p.put_offset);
  15   WriteParam(m, p.token);
  16   WriteParam(m, static_cast<int32>(p.error));
  17   WriteParam(m, p.generation);
  18 }
  19
  20 bool ParamTraits<gpu::CommandBuffer::State> ::Read(const Message* m,
  21                                                    PickleIterator* iter,
  22                                                    param_type* p) {
  23   int32 temp;
  24   if (ReadParam(m, iter, &p->num_entries) &&
  25       ReadParam(m, iter, &p->get_offset) &&
  26       ReadParam(m, iter, &p->put_offset) &&
  27       ReadParam(m, iter, &p->token) &&
  28       ReadParam(m, iter, &temp) &&
  29       ReadParam(m, iter, &p->generation)) {
  30     p->error = static_cast<gpu::error::Error>(temp);
  31     return true;
  32   } else {
  33     return false;
  34   }
  35 }
  36
  37 void ParamTraits<gpu::CommandBuffer::State> ::Log(const param_type& p,
  38                                                   std::string* l) {
  39   l->append("<CommandBuffer::State>");
  40 }
  41
  42 void ParamTraits<gpu::Mailbox>::Write(Message* m, const param_type& p) {
  43   m->WriteBytes(p.name, sizeof(p.name));
  44 }
  45
  46 bool ParamTraits<gpu::Mailbox>::Read(const Message* m,
  47                                      PickleIterator* iter,
  48                                      param_type* p) {
  49   const char* bytes = NULL;
  50   if (!m->ReadBytes(iter, &bytes, sizeof(p->name)))
  51     return false;
  52   DCHECK(bytes);
  53   memcpy(p->name, bytes, sizeof(p->name));
  54   return true;
  55 }
  56
  57 void ParamTraits<gpu::Mailbox>::Log(const param_type& p, std::string* l) {
  58   for (size_t i = 0; i < sizeof(p.name); ++i)
  59     *l += base::StringPrintf("%02x", p.name[i]);
  60 }
  61
  62 void ParamTraits<gpu::MailboxHolder>::Write(Message* m, const param_type& p) {
  63   WriteParam(m, p.mailbox);
  64   WriteParam(m, p.texture_target);
  65   WriteParam(m, p.sync_point);
  66 }
  67
  68 bool ParamTraits<gpu::MailboxHolder>::Read(const Message* m,
  69                                            PickleIterator* iter,
  70                                            param_type* p) {
  71   if (!ReadParam(m, iter, &p->mailbox) ||
  72       !ReadParam(m, iter, &p->texture_target) ||
  73       !ReadParam(m, iter, &p->sync_point))
  74     return false;
  75   return true;
  76 }
  77
  78 void ParamTraits<gpu::MailboxHolder>::Log(const param_type& p, std::string* l) {
  79   ParamTraits<gpu::Mailbox>::Log(p.mailbox, l);
  80   *l += base::StringPrintf(":%04x@%d", p.texture_target, p.sync_point);
  81 }
  82
  83 }  // namespace IPC