kc3-lang/angle/src/libGLESv2/Fence.h

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• Author : Jamie Madill
  Date : 2013-07-26 11:55:15
  Hash : cd055f81
  Message : Add state for the new fence sync objects in ES3. TRAC #23446 Signed-off-by: Geoff Lang Signed-off-by: Shannon Woods Authored-by: Jamie Madill

• src/libGLESv2/Fence.h

• //
  // Copyright (c) 2002-2013 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.
  //
  
  // Fence.h: Defines the gl::Fence class, which supports the GL_NV_fence extension.
  
  #ifndef LIBGLESV2_FENCE_H_
  #define LIBGLESV2_FENCE_H_
  
  #include "common/angleutils.h"
  #include "common/RefCountObject.h"
  
  namespace rx
  {
  class Renderer;
  class FenceImpl;
  }
  
  namespace gl
  {
  
  class FenceNV
  {
    public:
      explicit FenceNV(rx::Renderer *renderer);
      virtual ~FenceNV();
  
      GLboolean isFence() const;
      void setFence(GLenum condition);
      GLboolean testFence();
      void finishFence();
      GLint getFencei(GLenum pname);
  
      GLboolean getStatus() const { return mStatus; }
      GLuint getCondition() const { return mCondition; }
  
    private:
      DISALLOW_COPY_AND_ASSIGN(FenceNV);
  
      rx::FenceImpl *mFence;
  
      GLboolean mStatus;
      GLenum mCondition;
  };
  
  class FenceSync : public RefCountObject
  {
    public:
      explicit FenceSync(rx::Renderer *renderer, GLuint id);
      virtual ~FenceSync();
  
      void set(GLenum condition);
      GLenum clientWait(GLbitfield flags, GLuint64 timeout);
      void serverWait();
      GLenum getStatus() const;
  
      GLuint getCondition() const { return mCondition; }
  
    private:
      DISALLOW_COPY_AND_ASSIGN(FenceSync);
  
      rx::FenceImpl *mFence;
      LONGLONG mCounterFrequency;
  
      GLenum mCondition;
  };
  
  }
  
  #endif   // LIBGLESV2_FENCE_H_