Index: gpu/command_buffer/client/gpu_memory_buffer_tracker.cc |
diff --git a/gpu/command_buffer/client/gpu_memory_buffer_tracker.cc b/gpu/command_buffer/client/gpu_memory_buffer_tracker.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6ad0df385fae0703551b58dc2444f7f091f258e8 |
--- /dev/null |
+++ b/gpu/command_buffer/client/gpu_memory_buffer_tracker.cc |
@@ -0,0 +1,51 @@ |
+// Copyright (c) 2013 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "../client/gpu_memory_buffer_tracker.h" |
+ |
+#include "../client/gpu_memory_buffer_factory.h" |
+ |
+namespace gpu { |
+namespace gles2 { |
+ |
+GpuMemoryBufferTracker::GpuMemoryBufferTracker() |
+ : buffers_() { |
+} |
+ |
+GpuMemoryBufferTracker::~GpuMemoryBufferTracker() { |
+ while (!buffers_.empty()) { |
+ RemoveBuffer(buffers_.begin()->first); |
+ } |
+} |
+ |
+GpuMemoryBuffer* GpuMemoryBufferTracker::CreateBuffer( |
+ GLuint id, GLsizei width, GLsizei height) { |
+ GPU_DCHECK_NE(0u, id); |
+ GpuMemoryBuffer* buffer = |
+ GetProcessDefaultGpuMemoryBufferFactory().Run( |
+ id, width, height).release(); |
+ |
+ std::pair<BufferMap::iterator, bool> result = |
+ buffers_.insert(std::make_pair(id, buffer)); |
+ GPU_DCHECK(result.second); |
+ |
+ return buffer; |
+} |
+ |
+GpuMemoryBuffer* GpuMemoryBufferTracker::GetBuffer(GLuint client_id) { |
+ BufferMap::iterator it = buffers_.find(client_id); |
+ return (it != buffers_.end()) ? it->second : NULL; |
+} |
+ |
+void GpuMemoryBufferTracker::RemoveBuffer(GLuint client_id) { |
+ BufferMap::iterator buffer_it = buffers_.find(client_id); |
+ if (buffer_it != buffers_.end()) { |
+ GpuMemoryBuffer* buffer = buffer_it->second; |
+ buffers_.erase(buffer_it); |
+ delete buffer; |
+ } |
+} |
+ |
+} // namespace gles2 |
+} // namespace gpu |