1 // 2 // Copyright 2019 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 // EGLSync.h: Defines the egl::Sync classes, which support the EGL_KHR_fence_sync, 8 // EGL_KHR_wait_sync and EGL 1.5 sync objects. 9 10 #ifndef LIBANGLE_EGLSYNC_H_ 11 #define LIBANGLE_EGLSYNC_H_ 12 13 #include "libANGLE/Debug.h" 14 #include "libANGLE/Error.h" 15 #include "libANGLE/RefCountObject.h" 16 17 #include "common/angleutils.h" 18 19 namespace rx 20 { 21 class EGLImplFactory; 22 class EGLSyncImpl; 23 } // namespace rx 24 25 namespace gl 26 { 27 class Context; 28 } // namespace gl 29 30 namespace egl 31 { 32 class Sync final : public angle::RefCountObject<Display, angle::Result>, public LabeledObject 33 { 34 public: 35 Sync(rx::EGLImplFactory *factory, EGLenum type, const AttributeMap &attribs); 36 ~Sync() override; 37 38 void setLabel(EGLLabelKHR label) override; 39 EGLLabelKHR getLabel() const override; 40 41 void onDestroy(const Display *display) override; 42 43 Error initialize(const Display *display, const gl::Context *context); 44 Error clientWait(const Display *display, 45 const gl::Context *context, 46 EGLint flags, 47 EGLTime timeout, 48 EGLint *outResult); 49 Error serverWait(const Display *display, const gl::Context *context, EGLint flags); 50 Error getStatus(const Display *display, EGLint *outStatus) const; 51 52 Error dupNativeFenceFD(const Display *display, EGLint *result) const; 53 getType()54 EGLenum getType() const { return mType; } getCondition()55 EGLint getCondition() const { return mCondition; } getNativeFenceFD()56 EGLint getNativeFenceFD() const { return mNativeFenceFD; } 57 58 private: 59 std::unique_ptr<rx::EGLSyncImpl> mFence; 60 61 EGLLabelKHR mLabel; 62 63 EGLenum mType; 64 static constexpr EGLint mCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; 65 EGLint mNativeFenceFD; 66 }; 67 68 } // namespace egl 69 70 #endif // LIBANGLE_FENCE_H_ 71