Reorangizing the GLES2 code to handle shared

resources and non-renderable texture situations.

I haven't written enough unit tests for this
but the CL is already too big.

TEST=none
BUG=none

Review URL: http://codereview.chromium.org/646070

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@39984 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 88 insertions, 0 deletions

diff --git a/gpu/command_buffer/service/context_group.h b/gpu/command_buffer/service/context_group.h
new file mode 100644
index 0000000..362be16
--- /dev/null
+++ b/gpu/command_buffer/service/context_group.h
@@ -0,0 +1,88 @@
+// Copyright (c) 2010 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.
+
+#ifndef GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
+#define GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
+
+#include <vector>
+#include "base/basictypes.h"
+#include "base/scoped_ptr.h"
+
+namespace gpu {
+namespace gles2 {
+
+class GLES2Decoder;
+class BufferManager;
+class IdManager;
+class ProgramManager;
+class ShaderManager;
+class TextureManager;
+
+// A Context Group helps manage multiple GLES2Decoders that share
+// resources.
+class ContextGroup {
+ public:
+  ContextGroup();
+  ~ContextGroup();
+
+  // This should only be called by GLES2Decoder.
+  bool Initialize();
+
+  uint32 max_vertex_attribs() const {
+    return max_vertex_attribs_;
+  }
+
+  uint32 max_texture_units() const {
+    return max_texture_units_;
+  }
+
+  // Map of client ids to GL ids.
+  IdManager* id_manager() const {
+    return id_manager_.get();
+  }
+
+  BufferManager* buffer_manager() const {
+    return buffer_manager_.get();
+  }
+
+  TextureManager* texture_manager() const {
+    return texture_manager_.get();
+  }
+
+  ProgramManager* program_manager() const {
+    return program_manager_.get();
+  }
+
+  ShaderManager* shader_manager() const {
+    return shader_manager_.get();
+  }
+
+ private:
+  // Whether or not this context is initialized.
+  bool initialized_;
+
+  uint32 max_vertex_attribs_;
+
+  uint32 max_texture_units_;
+
+  // Map of client ids to GL ids.
+  scoped_ptr<IdManager> id_manager_;
+
+  scoped_ptr<BufferManager> buffer_manager_;
+
+  scoped_ptr<TextureManager> texture_manager_;
+
+  scoped_ptr<ProgramManager> program_manager_;
+
+  scoped_ptr<ShaderManager> shader_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(ContextGroup);
+};
+
+}  // namespace gles2
+}  // namespace gpu
+
+#endif  // GPU_COMMAND_BUFFER_SERVICE_CONTEXT_GROUP_H_
+
+