02-01-2006
Hello :
I compiled successfully a "c" program on AIX that works on Slackware.
However, when I tried to execute the program I get "typedef : variable not found" for all variables used in the program.
Can you eplain what I am doing wrong.
Thank you.
kgm.
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LEARN ABOUT CENTOS
glgetuniformiv
GLGETUNIFORM(3G) OpenGL Manual GLGETUNIFORM(3G)
NAME
glGetUniformfv, glGetUniformiv - Returns the value of a uniform variable
C SPECIFICATION
void glGetUniformfv(GLuint program, GLint location, GLfloat *params);
void glGetUniformiv(GLuint program, GLint location, GLint *params);
void glGetUniformuiv(GLuint program, GLint location, GLuint *params);
void glGetUniformdv(GLuint program, GLint location, GLdouble *params);
PARAMETERS
program
Specifies the program object to be queried.
location
Specifies the location of the uniform variable to be queried.
params
Returns the value of the specified uniform variable.
DESCRIPTION
glGetUniform returns in params the value(s) of the specified uniform variable. The type of the uniform variable specified by location
determines the number of values returned. If the uniform variable is defined in the shader as a boolean, int, or float, a single value will
be returned. If it is defined as a vec2, ivec2, or bvec2, two values will be returned. If it is defined as a vec3, ivec3, or bvec3, three
values will be returned, and so on. To query values stored in uniform variables declared as arrays, call glGetUniform for each element of
the array. To query values stored in uniform variables declared as structures, call glGetUniform for each field in the structure. The
values for uniform variables declared as a matrix will be returned in column major order.
The locations assigned to uniform variables are not known until the program object is linked. After linking has occurred, the command
glGetUniformLocation() can be used to obtain the location of a uniform variable. This location value can then be passed to glGetUniform in
order to query the current value of the uniform variable. After a program object has been linked successfully, the index values for uniform
variables remain fixed until the next link command occurs. The uniform variable values can only be queried after a link if the link was
successful.
NOTES
If an error is generated, no change is made to the contents of params.
ERRORS
GL_INVALID_VALUE is generated if program is not a value generated by OpenGL.
GL_INVALID_OPERATION is generated if program is not a program object.
GL_INVALID_OPERATION is generated if program has not been successfully linked.
GL_INVALID_OPERATION is generated if location does not correspond to a valid uniform variable location for the specified program object.
ASSOCIATED GETS
glGetActiveUniform() with arguments program and the index of an active uniform variable
glGetProgram() with arguments program and GL_ACTIVE_UNIFORMS or GL_ACTIVE_UNIFORM_MAX_LENGTH
glGetUniformLocation() with arguments program and the name of a uniform variable
glIsProgram()
SEE ALSO
glCreateProgram(), glLinkProgram(), glUniform()
COPYRIGHT
Copyright (C) 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 06/10/2014 GLGETUNIFORM(3G)