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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This file contains the implementation of the FencedAllocator class. | 5 // This file contains the implementation of the FencedAllocator class. |
6 | 6 |
7 #include "../client/fenced_allocator.h" | 7 #include "../client/fenced_allocator.h" |
8 #include <algorithm> | 8 #include <algorithm> |
9 #include "../client/cmd_buffer_helper.h" | 9 #include "../client/cmd_buffer_helper.h" |
10 | 10 |
11 namespace gpu { | 11 namespace gpu { |
12 | 12 |
13 #ifndef _MSC_VER | 13 #ifndef _MSC_VER |
14 const FencedAllocator::Offset FencedAllocator::kInvalidOffset; | 14 const FencedAllocator::Offset FencedAllocator::kInvalidOffset; |
15 #endif | 15 #endif |
16 | 16 |
| 17 FencedAllocator::FencedAllocator(unsigned int size, |
| 18 CommandBufferHelper *helper) |
| 19 : helper_(helper) { |
| 20 Block block = { FREE, 0, size, kUnusedToken }; |
| 21 blocks_.push_back(block); |
| 22 } |
| 23 |
17 FencedAllocator::~FencedAllocator() { | 24 FencedAllocator::~FencedAllocator() { |
18 // Free blocks pending tokens. | 25 // Free blocks pending tokens. |
19 for (unsigned int i = 0; i < blocks_.size(); ++i) { | 26 for (unsigned int i = 0; i < blocks_.size(); ++i) { |
20 if (blocks_[i].state == FREE_PENDING_TOKEN) { | 27 if (blocks_[i].state == FREE_PENDING_TOKEN) { |
21 i = WaitForTokenAndFreeBlock(i); | 28 i = WaitForTokenAndFreeBlock(i); |
22 } | 29 } |
23 } | 30 } |
24 // These checks are not valid if the service has crashed or lost the context. | 31 // These checks are not valid if the service has crashed or lost the context. |
25 // GPU_DCHECK_EQ(blocks_.size(), 1u); | 32 // GPU_DCHECK_EQ(blocks_.size(), 1u); |
26 // GPU_DCHECK_EQ(blocks_[0].state, FREE); | 33 // GPU_DCHECK_EQ(blocks_[0].state, FREE); |
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192 // The blocks are in offset order, so we can do a binary search. | 199 // The blocks are in offset order, so we can do a binary search. |
193 FencedAllocator::BlockIndex FencedAllocator::GetBlockByOffset(Offset offset) { | 200 FencedAllocator::BlockIndex FencedAllocator::GetBlockByOffset(Offset offset) { |
194 Block templ = { IN_USE, offset, 0, kUnusedToken }; | 201 Block templ = { IN_USE, offset, 0, kUnusedToken }; |
195 Container::iterator it = std::lower_bound(blocks_.begin(), blocks_.end(), | 202 Container::iterator it = std::lower_bound(blocks_.begin(), blocks_.end(), |
196 templ, OffsetCmp()); | 203 templ, OffsetCmp()); |
197 GPU_DCHECK(it != blocks_.end() && it->offset == offset); | 204 GPU_DCHECK(it != blocks_.end() && it->offset == offset); |
198 return it-blocks_.begin(); | 205 return it-blocks_.begin(); |
199 } | 206 } |
200 | 207 |
201 } // namespace gpu | 208 } // namespace gpu |
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