glgetmultisamplefv(3g) [osx man page]
GLGETMULTISAMPLEFV(3G) OpenGL 3.3 GLGETMULTISAMPLEFV(3G) NAME
glGetMultisamplefv - retrieve the location of a sample C SPECIFICATION
void glGetMultisamplefv(GLenum pname, GLuint index, GLfloat *val); PARAMETERS
pname Specifies the sample parameter name. pname must be GL_SAMPLE_POSITION. index Specifies the index of the sample whose position to query. val Specifies the address of an array to receive the position of the sample. DESCRIPTION
glGetMultisamplefv queries the location of a given sample. pname specifies the sample parameter to retrieve and must be GL_SAMPLE_POSITION. index corresponds to the sample for which the location should be returned. The sample location is returned as two floating-point values in val[0] and val[1], each between 0 and 1, corresponding to the x and y locations respectively in the GL pixel space of that sample. (0.5, 0.5) this corresponds to the pixel center. index must be between zero and the value of GL_SAMPLES - 1. If the multisample mode does not have fixed sample locations, the returned values may only reflect the locations of samples within some pixels. ERRORS
GL_INVALID_ENUM is generated if pname is not one GL_SAMPLE_POSITION. GL_INVALID_VALUE is generated if index is greater than or equal to the value of GL_SAMPLES. SEE ALSO
glGenFramebuffers(), glBindFramebuffer() COPYRIGHT
Copyright (C) 2010 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/. OpenGL 3.3 03/08/2011 GLGETMULTISAMPLEFV(3G)
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GLGETQUERYINDEXEDIV(3G) OpenGL Manual GLGETQUERYINDEXEDIV(3G) NAME
glGetQueryIndexediv - return parameters of an indexed query object target C SPECIFICATION
void glGetQueryIndexediv(GLenum target, GLuint index, GLenum pname, GLint * params); PARAMETERS
target Specifies a query object target. Must be GL_SAMPLES_PASSED, GL_ANY_SAMPLES_PASSED, GL_ANY_SAMPLES_PASSED_CONSERVATIVEGL_PRIMITIVES_GENERATED, GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN, GL_TIME_ELAPSED, or GL_TIMESTAMP. index Specifies the index of the query object target. pname Specifies the symbolic name of a query object target parameter. Accepted values are GL_CURRENT_QUERY or GL_QUERY_COUNTER_BITS. params Returns the requested data. DESCRIPTION
glGetQueryIndexediv returns in params a selected parameter of the indexed query object target specified by target and index. index specifies the index of the query object target and must be between zero and a target-specific maxiumum. pname names a specific query object target parameter. When pname is GL_CURRENT_QUERY, the name of the currently active query for the specified index of target, or zero if no query is active, will be placed in params. If pname is GL_QUERY_COUNTER_BITS, the implementation-dependent number of bits used to hold the result of queries for target is returned in params. NOTES
The target GL_ANY_SAMPLES_PASSED_CONSERVATIVE is available only if the GL version is 4.3 or greater. If an error is generated, no change is made to the contents of params. Calling glGetQueryiv() is equivalent to calling glGetQueryIndexediv with index set to zero. ERRORS
GL_INVALID_ENUM is generated if target or pname is not an accepted value. GL_INVALID_VALUE is generated if index is greater than or equal to the target-specific maximum. SEE ALSO
glGetQueryObject(), glIsQuery() COPYRIGHT
Copyright (C) 2010 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/. AUTHORS
opengl.org opengl.org 06/10/2014 GLGETQUERYINDEXEDIV(3G)