kc3-lang/angle/src/common/android_util.h

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• Hash : c99c22bb
  Author :
  Date : 2020-09-15T16:53:26
  

  EGL: Add support for EGL_ANDROID_create_native_client_buffer
  
  This EGL extension will add support for creating EGLClientBuffer
  backed by an Android window buffer (struct ANativeWindowBuffer)
  which can be later used to create an EGLImage.
  
  Bug: angleproject:5018
  Tests: angle_end2end_tests --gtest_filter=ImageTest.SourceNativeClientBufferTarget*
  Change-Id: If78ed7b80ad09629b8c5f5b5a0eb07a548e82e6e
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2404320
  Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  

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• src/common/android_util.h

• //
  // Copyright 2018 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.
  //
  
  // android_util.h: Utilities for the using the Android platform
  
  #ifndef COMMON_ANDROIDUTIL_H_
  #define COMMON_ANDROIDUTIL_H_
  
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  
  #include <stdint.h>
  #include <array>
  
  #include "angle_gl.h"
  
  struct ANativeWindowBuffer;
  struct AHardwareBuffer;
  
  namespace angle
  {
  
  namespace android
  {
  
  constexpr std::array<GLenum, 3> kSupportedSizedInternalFormats = {GL_RGBA8, GL_RGB8, GL_RGB565};
  
  ANativeWindowBuffer *ClientBufferToANativeWindowBuffer(EGLClientBuffer clientBuffer);
  EGLClientBuffer AHardwareBufferToClientBuffer(const AHardwareBuffer *hardwareBuffer);
  
  EGLClientBuffer CreateEGLClientBufferFromAHardwareBuffer(int width,
                                                           int height,
                                                           int depth,
                                                           int androidFormat,
                                                           int usage);
  
  void GetANativeWindowBufferProperties(const ANativeWindowBuffer *buffer,
                                        int *width,
                                        int *height,
                                        int *depth,
                                        int *pixelFormat);
  GLenum NativePixelFormatToGLInternalFormat(int pixelFormat);
  int GLInternalFormatToNativePixelFormat(GLenum internalFormat);
  
  AHardwareBuffer *ANativeWindowBufferToAHardwareBuffer(ANativeWindowBuffer *windowBuffer);
  
  uint64_t GetAHBUsage(int eglNativeBufferUsage);
  
  }  // namespace android
  }  // namespace angle
  
  #endif  // COMMON_ANDROIDUTIL_H_
  

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