| OpenCV 4.3.0 Open Source Computer Vision

Classes | Namespaces | Enumerations | Functions
opengl.hpp File Reference
`#include "opencv2/core.hpp"`
`#include "ocl.hpp"`

## Classes
class | cv::ogl::Arrays
| Wrapper for OpenGL Client-Side Vertex arrays. More...
class | cv::ogl::Buffer
| Smart pointer for OpenGL buffer object with reference counting. More...
class | cv::ogl::Texture2D
| Smart pointer for OpenGL 2D texture memory with reference counting. More...

## Namespaces
| cv
| "black box" representation of the file storage associated with a file on disk.
| cv::cuda
| cv::ogl
| cv::ogl::ocl

## Enumerations
enum | cv::ogl::RenderModes { cv::ogl::POINTS = 0x0000, cv::ogl::LINES = 0x0001, cv::ogl::LINE_LOOP = 0x0002, cv::ogl::LINE_STRIP = 0x0003, cv::ogl::TRIANGLES = 0x0004, cv::ogl::TRIANGLE_STRIP = 0x0005, cv::ogl::TRIANGLE_FAN = 0x0006, cv::ogl::QUADS = 0x0007, cv::ogl::QUAD_STRIP = 0x0008, cv::ogl::POLYGON = 0x0009 }
| render mode More...

## Functions
void | cv::ogl::convertFromGLTexture2D (const Texture2D &texture, OutputArray dst)
| Converts Texture2D object to OutputArray. More...
void | cv::ogl::convertToGLTexture2D (InputArray src, Texture2D &texture)
| Converts InputArray to Texture2D object. More...
Context & | cv::ogl::ocl::initializeContextFromGL ()
| Creates OpenCL context from GL. More...
UMat | cv::ogl::mapGLBuffer (const Buffer &buffer, AccessFlag accessFlags=ACCESS_READ|ACCESS_WRITE)
| Maps Buffer object to process on CL side (convert to UMat). More...
void | cv::ogl::render (const Texture2D &tex, Rect_< double > wndRect=Rect_< double >(0.0, 0.0, 1.0, 1.0), Rect_< double > texRect=Rect_< double >(0.0, 0.0, 1.0, 1.0))
| Render OpenGL texture or primitives. More...
void | cv::ogl::render (const Arrays &arr, int mode=POINTS, Scalar color=Scalar::all(255))
void | cv::ogl::render (const Arrays &arr, InputArray indices, int mode=POINTS, Scalar color=Scalar::all(255))
void | cv::cuda::setGlDevice (int device=0)
| Sets a CUDA device and initializes it for the current thread with OpenGL interoperability. More...
void | cv::ogl::unmapGLBuffer (UMat &u)
| Unmaps Buffer object (releases UMat, previously mapped from Buffer). More...