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
   7 #include "gpu/command_buffer/common/mailbox_holder.h"
   8 #include "gpu/command_buffer/common/value_state.h"
   9
  10 // Generate param traits write methods.
  11 #include "ipc/param_traits_write_macros.h"
  12 namespace IPC {
  13 #include "gpu/ipc/gpu_command_buffer_traits_multi.h"
  14 }  // namespace IPC
  15
  16 // Generate param traits read methods.
  17 #include "ipc/param_traits_read_macros.h"
  18 namespace IPC {
  19 #include "gpu/ipc/gpu_command_buffer_traits_multi.h"
  20 }  // namespace IPC
  21
  22 // Generate param traits log methods.
  23 #include "ipc/param_traits_log_macros.h"
  24 namespace IPC {
  25 #include "gpu/ipc/gpu_command_buffer_traits_multi.h"
  26 }  // namespace IPC
  27
  28 namespace IPC {
  29
  30 void ParamTraits<gpu::CommandBuffer::State> ::Write(Message* m,
  31                                                     const param_type& p) {
  32   WriteParam(m, p.get_offset);
  33   WriteParam(m, p.token);
  34   WriteParam(m, static_cast<int32>(p.error));
  35   WriteParam(m, p.generation);
  36 }
  37
  38 bool ParamTraits<gpu::CommandBuffer::State> ::Read(const Message* m,
  39                                                    PickleIterator* iter,
  40                                                    param_type* p) {
  41   int32 temp;
  42   if (ReadParam(m, iter, &p->get_offset) &&
  43       ReadParam(m, iter, &p->token) &&
  44       ReadParam(m, iter, &temp) &&
  45       ReadParam(m, iter, &p->generation)) {
  46     p->error = static_cast<gpu::error::Error>(temp);
  47     return true;
  48   } else {
  49     return false;
  50   }
  51 }
  52
  53 void ParamTraits<gpu::CommandBuffer::State> ::Log(const param_type& p,
  54                                                   std::string* l) {
  55   l->append("<CommandBuffer::State>");
  56 }
  57
  58 void ParamTraits<gpu::Mailbox>::Write(Message* m, const param_type& p) {
  59   m->WriteBytes(p.name, sizeof(p.name));
  60 }
  61
  62 bool ParamTraits<gpu::Mailbox>::Read(const Message* m,
  63                                      PickleIterator* iter,
  64                                      param_type* p) {
  65   const char* bytes = NULL;
  66   if (!iter->ReadBytes(&bytes, sizeof(p->name)))
  67     return false;
  68   DCHECK(bytes);
  69   memcpy(p->name, bytes, sizeof(p->name));
  70   return true;
  71 }
  72
  73 void ParamTraits<gpu::Mailbox>::Log(const param_type& p, std::string* l) {
  74   for (size_t i = 0; i < sizeof(p.name); ++i)
  75     *l += base::StringPrintf("%02x", p.name[i]);
  76 }
  77
  78 void ParamTraits<gpu::MailboxHolder>::Write(Message* m, const param_type& p) {
  79   WriteParam(m, p.mailbox);
  80   WriteParam(m, p.texture_target);
  81   WriteParam(m, p.sync_point);
  82 }
  83
  84 bool ParamTraits<gpu::MailboxHolder>::Read(const Message* m,
  85                                            PickleIterator* iter,
  86                                            param_type* p) {
  87   if (!ReadParam(m, iter, &p->mailbox) ||
  88       !ReadParam(m, iter, &p->texture_target) ||
  89       !ReadParam(m, iter, &p->sync_point))
  90     return false;
  91   return true;
  92 }
  93
  94 void ParamTraits<gpu::MailboxHolder>::Log(const param_type& p, std::string* l) {
  95   ParamTraits<gpu::Mailbox>::Log(p.mailbox, l);
  96   *l += base::StringPrintf(":%04x@%d", p.texture_target, p.sync_point);
  97 }
  98
  99 void ParamTraits<gpu::ValueState>::Write(Message* m, const param_type& p) {
 100   m->WriteData(reinterpret_cast<const char*>(&p),
 101                sizeof(gpu::ValueState));
 102 }
 103
 104 bool ParamTraits<gpu::ValueState>::Read(const Message* m,
 105                                         PickleIterator* iter,
 106                                         param_type* p) {
 107   int length;
 108   const char* data = NULL;
 109   if (!iter->ReadData(&data, &length) || length != sizeof(gpu::ValueState))
 110     return false;
 111   DCHECK(data);
 112   memcpy(p, data, sizeof(gpu::ValueState));
 113   return true;
 114 }
 115
 116 void ParamTraits<gpu::ValueState>::Log(const param_type& p, std::string* l) {
 117   l->append("<ValueState (");
 118   for (size_t i = 0; i < sizeof(p.int_value); ++i)
 119     *l += base::StringPrintf("%i ", p.int_value[i]);
 120   l->append(" int values ");
 121   for (size_t i = 0; i < sizeof(p.float_value); ++i)
 122     *l += base::StringPrintf("%f ", p.float_value[i]);
 123   l->append(" float values)>");
 124 }
 125
 126 }  // namespace IPC