android_util.h

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Author : Mohan Maiya
Date : 2020-09-15 16:53:26
Hash : c99c22bb
Message : 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>

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_

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

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