summaryrefslogtreecommitdiff
path: root/test/controls
diff options
context:
space:
mode:
Diffstat (limited to 'test/controls')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.1 (git 2.18.0) at 2025-03-04 15:41:55 +0000
f='#n2'>2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 
/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2020, Linaro
 *
 * viewfinder_GL.h - OpenGL Viewfinder for rendering by OpenGL shader
 *
 */

#pragma once

#include <array>
#include <memory>

#include <QImage>
#include <QMutex>
#include <QOpenGLBuffer>
#include <QOpenGLFunctions>
#include <QOpenGLShader>
#include <QOpenGLShaderProgram>
#include <QOpenGLTexture>
#include <QOpenGLWidget>
#include <QSize>

#include <libcamera/formats.h>
#include <libcamera/framebuffer.h>

#include "viewfinder.h"

class ViewFinderGL : public QOpenGLWidget,
		     public ViewFinder,
		     protected QOpenGLFunctions
{
	Q_OBJECT

public:
	ViewFinderGL(QWidget *parent = nullptr);
	~ViewFinderGL();

	const QList<libcamera::PixelFormat> &nativeFormats() const override;

	int setFormat(const libcamera::PixelFormat &format, const QSize &size,
		      unsigned int stride) override;
	void render(libcamera::FrameBuffer *buffer, Image *image) override;
	void stop() override;

	QImage getCurrentImage() override;

Q_SIGNALS:
	void renderComplete(libcamera::FrameBuffer *buffer);

protected:
	void initializeGL() override;
	void paintGL() override;
	void resizeGL(int w, int h) override;
	QSize sizeHint() const override;

private:
	bool selectFormat(const libcamera::PixelFormat &format);

	void configureTexture(QOpenGLTexture &texture);
	bool createFragmentShader();
	bool createVertexShader();