libcamera/vivid.git - libcamera pipeline handler for VIVID

diff options

Diffstat (limited to 'src/qcam/assets/feathericons/link-2.svg')

0 files changed, 0 insertions, 0 deletions

/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * Copyright (C) 2020, Linaro * * viewfinder_GL.h - OpenGL Viewfinder for rendering by OpenGL shader * */ #ifndef __VIEWFINDER_GL_H__ #define __VIEWFINDER_GL_H__ #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) override; void render(libcamera::FrameBuffer *buffer, libcamera::Span<uint8_t> mem) 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(); void removeShader(); void doRender(); /* Captured image size, format and buffer */ libcamera::FrameBuffer *buffer_; libcamera::PixelFormat format_; QSize size_; unsigned int stride_; unsigned char *data_; /* Shaders */ QOpenGLShaderProgram shaderProgram_; std::unique_ptr<QOpenGLShader> vertexShader_; std::unique_ptr<QOpenGLShader> fragmentShader_; QString vertexShaderFile_; QString fragmentShaderFile_; QStringList fragmentShaderDefines_; /* Vertex buffer */ QOpenGLBuffer vertexBuffer_; /* Textures */ std::array<std::unique_ptr<QOpenGLTexture>, 3> textures_; /* Common texture parameters */ GLuint textureMinMagFilters_; /* YUV texture parameters */ GLuint textureUniformU_; GLuint textureUniformV_; GLuint textureUniformY_; GLuint textureUniformStep_; unsigned int horzSubSample_; unsigned int vertSubSample_; /* Raw Bayer texture parameters */ GLuint textureUniformSize_; GLuint textureUniformBayerFirstRed_; QPointF firstRed_; QMutex mutex_; /* Prevent concurrent access to image_ */ }; #endif /* __VIEWFINDER_GL_H__ */


context:
space:
mode: