path: root/src/qcam/viewfinder_gl.cpp

/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2020, Linaro
 *
 * viewfinderGL.cpp - OpenGL Viewfinder for rendering by OpenGL shader
 */

#include "viewfinder_gl.h"

#include <QByteArray>
#include <QFile>
#include <QImage>

#include <libcamera/formats.h>

static const QList<libcamera::PixelFormat> supportedFormats{
	/* YUV - packed (single plane) */
	libcamera::formats::UYVY,
	libcamera::formats::VYUY,
	libcamera::formats::YUYV,
	libcamera::formats::YVYU,
	/* YUV - semi planar (two planes) */
	libcamera::formats::NV12,
	libcamera::formats::NV21,
	libcamera::formats::NV16,
	libcamera::formats::NV61,
	libcamera::formats::NV24,
	libcamera::formats::NV42,
	/* YUV - fully planar (three planes) */
	libcamera::formats::YUV420,
	libcamera::formats::YVU420,
	/* RGB */
	libcamera::formats::ABGR8888,
	libcamera::formats::ARGB8888,
	libcamera::formats::BGRA8888,
	libcamera::formats::RGBA8888,
	libcamera::formats::BGR888,
	libcamera::formats::RGB888,
};

ViewFinderGL::ViewFinderGL(QWidget *parent)
	: QOpenGLWidget(parent), buffer_(nullptr), data_(nullptr),
	  vertexBuffer_(QOpenGLBuffer::VertexBuffer)
{
}

ViewFinderGL::~ViewFinderGL()
{
	removeShader();
}

const QList<libcamera::PixelFormat> &ViewFinderGL::nativeFormats() const
{
	return supportedFormats;
}