1 // 2 // Copyright 2015 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // FenceNVGL.h: Defines the class interface for FenceNVGL. 8 9 #ifndef LIBANGLE_RENDERER_GL_FENCENVGL_H_ 10 #define LIBANGLE_RENDERER_GL_FENCENVGL_H_ 11 12 #include "libANGLE/renderer/FenceNVImpl.h" 13 14 namespace rx 15 { 16 class FunctionsGL; 17 18 // FenceNV implemented with the native GL_NV_fence extension 19 class FenceNVGL : public FenceNVImpl 20 { 21 public: 22 explicit FenceNVGL(const FunctionsGL *functions); 23 ~FenceNVGL() override; 24 onDestroy(const gl::Context * context)25 void onDestroy(const gl::Context *context) override {} 26 angle::Result set(const gl::Context *context, GLenum condition) override; 27 angle::Result test(const gl::Context *context, GLboolean *outFinished) override; 28 angle::Result finish(const gl::Context *context) override; 29 30 static bool Supported(const FunctionsGL *functions); 31 32 private: 33 GLuint mFence; 34 35 const FunctionsGL *mFunctions; 36 }; 37 38 // FenceNV implemented with the GLsync API 39 class FenceNVSyncGL : public FenceNVImpl 40 { 41 public: 42 explicit FenceNVSyncGL(const FunctionsGL *functions); 43 ~FenceNVSyncGL() override; 44 onDestroy(const gl::Context * context)45 void onDestroy(const gl::Context *context) override {} 46 angle::Result set(const gl::Context *context, GLenum condition) override; 47 angle::Result test(const gl::Context *context, GLboolean *outFinished) override; 48 angle::Result finish(const gl::Context *context) override; 49 50 static bool Supported(const FunctionsGL *functions); 51 52 private: 53 GLsync mSyncObject; 54 55 const FunctionsGL *mFunctions; 56 }; 57 } // namespace rx 58 59 #endif // LIBANGLE_RENDERER_GL_FENCENVGL_H_ 60