GLCREATEPROGRAM - Online Linux Manual PageSection : 3G
Updated : 01/20/2022
Source : [FIXME: source]
Note : [FIXME: manual]

NAMEglCreateProgram − Creates a program object

C SPECIFICATIONGLuint glCreateProgram(void);

DESCRIPTIONglCreateProgram creates an empty program object and returns a non−zero value by which it can be referenced​. A program object is an object to which shader objects can be attached​. This provides a mechanism to specify the shader objects that will be linked to create a program​. It also provides a means for checking the compatibility of the shaders that will be used to create a program (for instance, checking the compatibility between a vertex shader and a fragment shader)​. When no longer needed as part of a program object, shader objects can be detached​. One or more executables are created in a program object by successfully attaching shader objects to it with glAttachShader(), successfully compiling the shader objects with glCompileShader(), and successfully linking the program object with glLinkProgram()​. These executables are made part of current state when glUseProgram() is called​. Program objects can be deleted by calling glDeleteProgram()​. The memory associated with the program object will be deleted when it is no longer part of current rendering state for any context​.

NOTESLike buffer and texture objects, the name space for program objects may be shared across a set of contexts, as long as the server sides of the contexts share the same address space​. If the name space is shared across contexts, any attached objects and the data associated with those attached objects are shared as well​. Applications are responsible for providing the synchronization across API calls when objects are accessed from different execution threads​.

ERRORSThis function returns 0 if an error occurs creating the program object​.

ASSOCIATED GETSglGet() with the argument GL_CURRENT_PROGRAM glGetActiveAttrib() with a valid program object and the index of an active attribute variable glGetActiveUniform() with a valid program object and the index of an active uniform variable glGetAttachedShaders() with a valid program object glGetAttribLocation() with a valid program object and the name of an attribute variable glGetProgram() with a valid program object and the parameter to be queried glGetProgramInfoLog() with a valid program object glGetUniform() with a valid program object and the location of a uniform variable glGetUniformLocation() with a valid program object and the name of a uniform variable glIsProgram()

VERSION SUPPORT OpenGL Version Function / Feature Name 2​.0 none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'>none;'> 2​.1 3​.0 3​.1 3​.2 3​.3 4​.0 4​.1 4​.2 4​.3 4​.4 4​.5 glCreateProgram

SEE ALSOglAttachShader(), glBindAttribLocation(), glCreateShader(), glDeleteProgram(), glDetachShader(), glLinkProgram(), glUniform(), glUseProgram(), glValidateProgram()

COPYRIGHTCopyright © 2003−2005 3Dlabs Inc​. Ltd​. Copyright © 2010−2014 Khronos Group​. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1​.0, 8 June 1999​. http://opencontent​.org/openpub/​.

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Copyright © 2003-2005 3Dlabs Inc. Ltd.
Copyright © 2010-2014 Khronos Group
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