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

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• Author : Geoff Lang
  Date : 2015-04-09 14:43:34
  Hash : b11ad26b
  Message : Implement FenceNVGL. BUG=angleproject:888 Change-Id: Iea6993fe5459cf829f4bd23b0df5e223f22903f5 Reviewed-on: https://chromium-review.googlesource.com/264989 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/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::FenceNV and gl::FenceSync classes, which support the GL_NV_fence
  // extension and GLES3 sync objects.
  
  #ifndef LIBANGLE_FENCE_H_
  #define LIBANGLE_FENCE_H_
  
  #include "libANGLE/Error.h"
  #include "libANGLE/RefCountObject.h"
  
  #include "common/angleutils.h"
  
  namespace rx
  {
  class FenceNVImpl;
  class FenceSyncImpl;
  }
  
  namespace gl
  {
  
  class FenceNV final : angle::NonCopyable
  {
    public:
      explicit FenceNV(rx::FenceNVImpl *impl);
      virtual ~FenceNV();
  
      Error set(GLenum condition);
      Error test(GLboolean *outResult);
      Error finish();
  
      bool isSet() const { return mIsSet; }
      GLboolean getStatus() const { return mStatus; }
      GLenum getCondition() const { return mCondition; }
  
    private:
      rx::FenceNVImpl *mFence;
  
      bool mIsSet;
  
      GLboolean mStatus;
      GLenum mCondition;
  };
  
  class FenceSync final : public RefCountObject
  {
    public:
      explicit FenceSync(rx::FenceSyncImpl *impl, GLuint id);
      virtual ~FenceSync();
  
      Error set(GLenum condition, GLbitfield flags);
      Error clientWait(GLbitfield flags, GLuint64 timeout, GLenum *outResult);
      Error serverWait(GLbitfield flags, GLuint64 timeout);
      Error getStatus(GLint *outResult) const;
  
      GLenum getCondition() const { return mCondition; }
      GLbitfield getFlags() const { return mFlags; }
  
    private:
      rx::FenceSyncImpl *mFence;
  
      GLenum mCondition;
      GLbitfield mFlags;
  };
  
  }
  
  #endif   // LIBANGLE_FENCE_H_