clGetGLObjectInfo

Query an OpenGL object used to create an OpenCL memory object.

`cl_int clGetGLObjectInfo (`	cl_mem `memobj`,
	cl_gl_object_type `*gl_object_type`,
	GLuint `*gl_object_name)`

Parameters

gl_object_type: Returns the type of GL object attached to memobj and can be CL_GL_OBJECT_BUFFER, CL_GL_OBJECT_TEXTURE2D, CL_GL_OBJECT_TEXTURE3D, CL_GL_OBJECT_TEXTURE2D_ARRAY, CL_GL_OBJECT_TEXTURE1D, CL_GL_OBJECT_TEXTURE1D_ARRAY, CL_GL_OBJECT_TEXTURE_BUFFER, or CL_GL_OBJECT_RENDERBUFFER. If gl_object_type is NULL, it is ignored.
gl_object_name: Returns the GL object name used to create memobj. If gl_object_name is NULL, it is ignored.

Description

The OpenGL object used to create the OpenCL memory object and information about the object type i.e. whether it is a texture, renderbuffer, or buffer object can be queried using this function.

Errors

Returns CL_SUCCESS if the call was executed successfully. Otherwise, it returns one of the following errors:

CL_INVALID_MEM_OBJECT if memobj is not a valid OpenCL memory object.
CL_INVALID_GL_OBJECT if there is no GL object associated with memobj.
CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL implementation on the device.
CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the OpenCL implementation on the host.

Specification

OpenCL Specification

Also see

cl_khr_gl_sharing, clGetGLTextureInfo

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