Add TransformFeedback object.

projects/src/libGLESv2.vcxproj

@@ -135,6 +135,7 @@
     <ClInclude Include="..\..\src\libGLESv2\Sampler.h"/>
     <ClInclude Include="..\..\src\libGLESv2\HandleAllocator.h"/>
     <ClInclude Include="..\..\src\libGLESv2\precompiled.h"/>
+    <ClInclude Include="..\..\src\libGLESv2\TransformFeedback.h"/>
     <ClInclude Include="..\..\src\libGLESv2\Context.h"/>
     <ClInclude Include="..\..\src\libGLESv2\Query.h"/>
     <ClInclude Include="..\..\src\libGLESv2\ResourceManager.h"/>
@@ -294,6 +295,7 @@
     <ClCompile Include="..\..\src\libGLESv2\RenderbufferProxySet.cpp"/>
     <ClCompile Include="..\..\src\libGLESv2\Context.cpp"/>
     <ClCompile Include="..\..\src\libGLESv2\Fence.cpp"/>
+    <ClCompile Include="..\..\src\libGLESv2\TransformFeedback.cpp"/>
     <ClCompile Include="..\..\src\libGLESv2\ProgramBinary.cpp"/>
     <ClCompile Include="..\..\src\libGLESv2\validationES.cpp"/>
     <ClCompile Include="..\..\src\libGLESv2\Renderbuffer.cpp"/>

projects/src/libGLESv2.vcxproj.filters

@@ -111,6 +111,9 @@
     <ClCompile Include="..\..\src\libGLESv2\formatutils.cpp">
       <Filter>src\libGLESv2</Filter>
     </ClCompile>
+    <ClInclude Include="..\..\src\libGLESv2\TransformFeedback.h">
+      <Filter>libGLESv2</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\src\libGLESv2\Context.h">
       <Filter>src\libGLESv2</Filter>
     </ClInclude>
@@ -135,6 +138,9 @@
     <ClCompile Include="..\..\src\libGLESv2\Fence.cpp">
       <Filter>src\libGLESv2</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\src\libGLESv2\TransformFeedback.cpp">
+      <Filter>libGLESv2</Filter>
+    </ClCompile>
     <ClInclude Include="..\..\src\libGLESv2\ProgramBinary.h">
       <Filter>src\libGLESv2</Filter>
     </ClInclude>

src/libGLESv2/TransformFeedback.cpp

+//
+// Copyright (c) 2014 The ANGLE Project 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 "libGLESv2/TransformFeedback.h"
+
+namespace gl
+{
+
+TransformFeedback::TransformFeedback(GLuint id)
+    : RefCountObject(id),
+      mStarted(GL_FALSE),
+      mPrimitiveMode(GL_NONE),
+      mPaused(GL_FALSE)
+{
+}
+
+TransformFeedback::~TransformFeedback()
+{
+}
+
+void TransformFeedback::start(GLenum primitiveMode)
+{
+    mStarted = GL_TRUE;
+    mPrimitiveMode = primitiveMode;
+    mPaused = GL_FALSE;
+}
+
+void TransformFeedback::stop()
+{
+    mStarted = GL_FALSE;
+    mPrimitiveMode = GL_NONE;
+    mPaused = GL_FALSE;
+}
+
+GLboolean TransformFeedback::isStarted() const
+{
+    return mStarted;
+}
+
+GLenum TransformFeedback::getDrawMode() const
+{
+    return mPrimitiveMode;
+}
+
+void TransformFeedback::pause()
+{
+    mPaused = GL_TRUE;
+}
+
+void TransformFeedback::resume()
+{
+    mPaused = GL_FALSE;
+}
+
+GLboolean TransformFeedback::isPaused() const
+{
+    return mPaused;
+}
+
+}

src/libGLESv2/TransformFeedback.h

+//
+// Copyright (c) 2014 The ANGLE Project 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 LIBGLESV2_TRANSFORM_FEEDBACK_H_
+#define LIBGLESV2_TRANSFORM_FEEDBACK_H_
+
+#include "common/angleutils.h"
+#include "common/RefCountObject.h"
+
+#define GL_APICALL
+#include <GLES3/gl3.h>
+#include <GLES2/gl2.h>
+
+namespace gl
+{
+
+class TransformFeedback : public RefCountObject
+{
+  public:
+    explicit TransformFeedback(GLuint id);
+    virtual ~TransformFeedback();
+
+    void start(GLenum primitiveMode);
+    void stop();
+    GLboolean isStarted() const;
+
+    GLenum getDrawMode() const;
+
+    void pause();
+    void resume();
+    GLboolean isPaused() const;
+
+  private:
+    DISALLOW_COPY_AND_ASSIGN(TransformFeedback);
+
+    GLboolean mStarted;
+    GLenum mPrimitiveMode;
+    GLboolean mPaused;
+};
+
+}
+
+#endif // LIBGLESV2_TRANSFORM_FEEDBACK_H_