glCreateShader man page on MacOSX
[printable version]
GLCREATESHADER(3G) OpenGL 3.3 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_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. Three types of shaders 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_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_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/.
OpenGL 3.3 03/08/2011 GLCREATESHADER(3G)
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