1 // 2 // Copyright 2016 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 // SurfaceNULL.h: 7 // Defines the class interface for SurfaceNULL, implementing SurfaceImpl. 8 // 9 10 #ifndef LIBANGLE_RENDERER_NULL_SURFACENULL_H_ 11 #define LIBANGLE_RENDERER_NULL_SURFACENULL_H_ 12 13 #include "libANGLE/renderer/SurfaceImpl.h" 14 15 namespace rx 16 { 17 18 class SurfaceNULL : public SurfaceImpl 19 { 20 public: 21 SurfaceNULL(const egl::SurfaceState &surfaceState); 22 ~SurfaceNULL() override; 23 24 egl::Error initialize(const egl::Display *display) override; 25 FramebufferImpl *createDefaultFramebuffer(const gl::Context *context, 26 const gl::FramebufferState &state) override; 27 egl::Error swap(const gl::Context *context) override; 28 egl::Error postSubBuffer(const gl::Context *context, 29 EGLint x, 30 EGLint y, 31 EGLint width, 32 EGLint height) override; 33 egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override; 34 egl::Error bindTexImage(const gl::Context *context, 35 gl::Texture *texture, 36 EGLint buffer) override; 37 egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override; 38 egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override; 39 egl::Error getMscRate(EGLint *numerator, EGLint *denominator) override; 40 void setSwapInterval(EGLint interval) override; 41 42 // width and height can change with client window resizing 43 EGLint getWidth() const override; 44 EGLint getHeight() const override; 45 46 EGLint isPostSubBufferSupported() const override; 47 EGLint getSwapBehavior() const override; 48 49 angle::Result initializeContents(const gl::Context *context, 50 const gl::ImageIndex &imageIndex) override; 51 }; 52 53 } // namespace rx 54 55 #endif // LIBANGLE_RENDERER_NULL_SURFACENULL_H_ 56