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 egl::Error swap(const gl::Context *context) override; 26 egl::Error postSubBuffer(const gl::Context *context, 27 EGLint x, 28 EGLint y, 29 EGLint width, 30 EGLint height) override; 31 egl::Error querySurfacePointerANGLE(EGLint attribute, void **value) override; 32 egl::Error bindTexImage(const gl::Context *context, 33 gl::Texture *texture, 34 EGLint buffer) override; 35 egl::Error releaseTexImage(const gl::Context *context, EGLint buffer) override; 36 egl::Error getSyncValues(EGLuint64KHR *ust, EGLuint64KHR *msc, EGLuint64KHR *sbc) override; 37 egl::Error getMscRate(EGLint *numerator, EGLint *denominator) override; 38 void setSwapInterval(const egl::Display *display, EGLint interval) override; 39 40 // width and height can change with client window resizing 41 EGLint getWidth() const override; 42 EGLint getHeight() const override; 43 44 EGLint isPostSubBufferSupported() const override; 45 EGLint getSwapBehavior() const override; 46 47 angle::Result initializeContents(const gl::Context *context, 48 GLenum binding, 49 const gl::ImageIndex &imageIndex) override; 50 51 egl::Error attachToFramebuffer(const gl::Context *context, 52 gl::Framebuffer *framebuffer) override; 53 egl::Error detachFromFramebuffer(const gl::Context *context, 54 gl::Framebuffer *framebuffer) override; 55 }; 56 57 } // namespace rx 58 59 #endif // LIBANGLE_RENDERER_NULL_SURFACENULL_H_ 60