15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/service/common_decoder.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/service/cmd_buffer_engine.h" 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gpu { 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CommonDecoder::Bucket::Bucket() : size_(0) {} 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CommonDecoder::Bucket::~Bucket() {} 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void* CommonDecoder::Bucket::GetData(size_t offset, size_t size) const { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (OffsetSizeValid(offset, size)) { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return data_.get() + offset; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CommonDecoder::Bucket::SetSize(size_t size) { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size != size_) { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data_.reset(size ? new int8[size] : NULL); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_ = size; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memset(data_.get(), 0, size); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CommonDecoder::Bucket::SetData( 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* src, size_t offset, size_t size) { 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (OffsetSizeValid(offset, size)) { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(data_.get() + offset, src, size); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void CommonDecoder::Bucket::SetFromString(const char* str) { 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Strings are passed NULL terminated to distinguish between empty string 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // and no string. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!str) { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetSize(0); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) size_t size = strlen(str) + 1; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetSize(size); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SetData(str, 0, size); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool CommonDecoder::Bucket::GetAsString(std::string* str) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(str); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size_ == 0) { 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return false; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) str->assign(GetDataAs<const char*>(0, size_ - 1), size_ - 1); 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CommonDecoder::CommonDecoder() : engine_(NULL) {} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CommonDecoder::~CommonDecoder() {} 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void* CommonDecoder::GetAddressAndCheckSize(unsigned int shm_id, 64effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch unsigned int data_offset, 65effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch unsigned int data_size) { 662a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) CHECK(engine_); 67effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch scoped_refptr<gpu::Buffer> buffer = engine_->GetSharedMemoryBuffer(shm_id); 681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci if (!buffer.get()) 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 70effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch return buffer->GetDataAddress(data_offset, data_size); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 73effb81e5f8246d0db0270817048dc992db66e9fbBen Murdochscoped_refptr<gpu::Buffer> CommonDecoder::GetSharedMemoryBuffer( 74effb81e5f8246d0db0270817048dc992db66e9fbBen Murdoch unsigned int shm_id) { 752a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return engine_->GetSharedMemoryBuffer(shm_id); 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* CommonDecoder::GetCommonCommandName( 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cmd::CommandId command_id) const { 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return cmd::GetCommandName(command_id); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CommonDecoder::Bucket* CommonDecoder::GetBucket(uint32 bucket_id) const { 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BucketMap::const_iterator iter(buckets_.find(bucket_id)); 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return iter != buckets_.end() ? &(*iter->second) : NULL; 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)CommonDecoder::Bucket* CommonDecoder::CreateBucket(uint32 bucket_id) { 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Bucket* bucket = GetBucket(bucket_id); 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket) { 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bucket = new Bucket(); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) buckets_[bucket_id] = linked_ptr<Bucket>(bucket); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return bucket; 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns the address of the first byte after a struct. 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <typename T> 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const void* AddressAfterStruct(const T& pod) { 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reinterpret_cast<const uint8*>(&pod) + sizeof(pod); 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Returns the address of the frst byte after the struct. 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <typename RETURN_TYPE, typename COMMAND_TYPE> 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)RETURN_TYPE GetImmediateDataAs(const COMMAND_TYPE& pod) { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<RETURN_TYPE>(const_cast<void*>(AddressAfterStruct(pod))); 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// TODO(vmiura): Looks like this g_command_info is duplicated in 1125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// common_decoder.cc 1135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// and gles2_cmd_decoder.cc. Fix it! 1145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A struct to hold info about each command. 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct CommandInfo { 1175d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uint8 arg_flags; // How to handle the arguments for this command 1185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uint8 cmd_flags; // How to handle this command 1195d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) uint16 arg_count; // How many arguments are expected for this command. 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A table of CommandInfo for all the commands. 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const CommandInfo g_command_info[] = { 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #define COMMON_COMMAND_BUFFER_CMD_OP(name) { \ 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) cmd::name::kArgFlags, \ 1265d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) cmd::name::cmd_flags, \ 1275d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) sizeof(cmd::name) / sizeof(CommandBufferEntry) - 1, }, /* NOLINT */ 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) COMMON_COMMAND_BUFFER_CMDS(COMMON_COMMAND_BUFFER_CMD_OP) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #undef COMMON_COMMAND_BUFFER_CMD_OP 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // anonymous namespace. 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Decode command with its arguments, and call the corresponding method. 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Note: args is a pointer to the command buffer. As such, it could be changed 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// by a (malicious) client at any time, so if validation has to happen, it 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// should operate on a copy of them. 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::DoCommonCommand( 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned int command, 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned int arg_count, 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* cmd_data) { 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (command < arraysize(g_command_info)) { 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const CommandInfo& info = g_command_info[command]; 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned int info_arg_count = static_cast<unsigned int>(info.arg_count); 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if ((info.arg_flags == cmd::kFixed && arg_count == info_arg_count) || 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (info.arg_flags == cmd::kAtLeastN && arg_count >= info_arg_count)) { 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size = 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) (arg_count - info_arg_count) * sizeof(CommandBufferEntry); // NOLINT 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) switch (command) { 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #define COMMON_COMMAND_BUFFER_CMD_OP(name) \ 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) case cmd::name::kCmdId: \ 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Handle ## name( \ 1555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) immediate_data_size, \ 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *static_cast<const cmd::name*>(cmd_data)); \ 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) COMMON_COMMAND_BUFFER_CMDS(COMMON_COMMAND_BUFFER_CMD_OP) 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) #undef COMMON_COMMAND_BUFFER_CMD_OP 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 1645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kUnknownCommand; 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleNoop( 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::Noop& args) { 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleSetToken( 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::SetToken& args) { 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) engine_->set_token(args.token); 1795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 1805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleSetBucketSize( 1835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 1845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::SetBucketSize& args) { 1855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 bucket_id = args.bucket_id; 1865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 size = args.size; 1875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Bucket* bucket = CreateBucket(bucket_id); 1895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bucket->SetSize(size); 1905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 1915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleSetBucketData( 1945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 1955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::SetBucketData& args) { 1965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 bucket_id = args.bucket_id; 1975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 offset = args.offset; 1985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 size = args.size; 1995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* data = GetSharedMemoryAs<const void*>( 2005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) args.shared_memory_id, args.shared_memory_offset, size); 2015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!data) { 2025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Bucket* bucket = GetBucket(bucket_id); 2055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket) { 2065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket->SetData(data, offset, size)) { 2095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 2135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleSetBucketDataImmediate( 2165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 2175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::SetBucketDataImmediate& args) { 2185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* data = GetImmediateDataAs<const void*>(args); 2195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 bucket_id = args.bucket_id; 2205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 offset = args.offset; 2215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 size = args.size; 2225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (size > immediate_data_size) { 2235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Bucket* bucket = GetBucket(bucket_id); 2265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket) { 2275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket->SetData(data, offset, size)) { 2305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 2335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleGetBucketStart( 2365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 2375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::GetBucketStart& args) { 2385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 bucket_id = args.bucket_id; 2395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32* result = GetSharedMemoryAs<uint32*>( 2405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) args.result_memory_id, args.result_memory_offset, sizeof(*result)); 2415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32 data_memory_id = args.data_memory_id; 2425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 data_memory_offset = args.data_memory_offset; 2435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 data_memory_size = args.data_memory_size; 2445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint8* data = NULL; 2455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (data_memory_size != 0 || data_memory_id != 0 || data_memory_offset != 0) { 2465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) data = GetSharedMemoryAs<uint8*>( 2475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) args.data_memory_id, args.data_memory_offset, args.data_memory_size); 2485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!data) { 2495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!result) { 2535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Check that the client initialized the result. 2565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (*result != 0) { 2575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Bucket* bucket = GetBucket(bucket_id); 2605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket) { 2615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 bucket_size = bucket->size(); 2645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) *result = bucket_size; 2655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (data) { 2665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 size = std::min(data_memory_size, bucket_size); 2675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(data, bucket->GetData(0, size), size); 2685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 2705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)error::Error CommonDecoder::HandleGetBucketData( 2735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 immediate_data_size, 2745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const cmd::GetBucketData& args) { 2755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 bucket_id = args.bucket_id; 2765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 offset = args.offset; 2775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) uint32 size = args.size; 2785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void* data = GetSharedMemoryAs<void*>( 2795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) args.shared_memory_id, args.shared_memory_offset, size); 2805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!data) { 2815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Bucket* bucket = GetBucket(bucket_id); 2845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!bucket) { 2855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const void* src = bucket->GetData(offset, size); 2885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!src) { 2895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kInvalidArguments; 2905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 2915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) memcpy(data, src, size); 2925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return error::kNoError; 2935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 2945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gpu 296