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GLCREATESHADER(3G)		 OpenGL Manual		    GLCREATESHADER(3G)

NAME
       glCreateShader - Creates a shader object

C SPECIFICATION
       GLuint glCreateShader(GLenum shaderType);

PARAMETERS
       shaderType
	   Specifies the type of shader to be created. Must be one of
	   GL_VERTEX_SHADER, GL_TESS_CONTROL_SHADER,
	   GL_TESS_EVALUATION_SHADER, GL_GEOMETRY_SHADER, or
	   GL_FRAGMENT_SHADER.

DESCRIPTION
       glCreateShader creates an empty shader object and returns a non-zero
       value by which it can be referenced. A shader object is used to
       maintain the source code strings that define a shader.  shaderType
       indicates the type of shader to be created. Five types of shader are
       supported. A shader of type GL_VERTEX_SHADER is a shader that is
       intended to run on the programmable vertex processor. A shader of type
       GL_TESS_CONTROL_SHADER is a shader that is intended to run on the
       programmable tessellation processor in the control stage. A shader of
       type GL_TESS_EVALUATION_SHADER is a shader that is intended to run on
       the programmable tessellation processor in the evaluation stage. A
       shader of type GL_GEOMETRY_SHADER is a shader that is intended to run
       on the programmable geometry processor. A shader of type
       GL_FRAGMENT_SHADER is a shader that is intended to run on the
       programmable fragment processor.

       When created, a shader object's GL_SHADER_TYPE parameter is set to
       either GL_VERTEX_SHADER, GL_TESS_CONTROL_SHADER,
       GL_TESS_EVALUATION_SHADER, GL_GEOMETRY_SHADER or GL_FRAGMENT_SHADER,
       depending on the value of shaderType.

NOTES
       Like buffer and texture objects, the name space for shader 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.

ERRORS
       This function returns 0 if an error occurs creating the shader object.

       GL_INVALID_ENUM is generated if shaderType is not an accepted value.

ASSOCIATED GETS
       glGetShader() with a valid shader object and the parameter to be
       queried

       glGetShaderInfoLog() with a valid shader object

       glGetShaderSource() with a valid shader object

       glIsShader()

SEE ALSO
       glAttachShader(), glCompileShader(), glDeleteShader(),
       glDetachShader(), glShaderSource()

COPYRIGHT
       Copyright © 2003-2005 3Dlabs Inc. Ltd. 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/.

AUTHORS
       opengl.org

opengl.org			  03/16/2013		    GLCREATESHADER(3G)

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