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GLTEXIMAGE2DMULTISAM(3G)	 OpenGL Manual	      GLTEXIMAGE2DMULTISAM(3G)

NAME
       glTexImage2DMultisample - establish the data storage, format,
       dimensions, and number of samples of a multisample texture's image

C SPECIFICATION
       void glTexImage2DMultisample(GLenum target, GLsizei samples,
				    GLint internalformat, GLsizei width,
				    GLsizei height,
				    GLboolean fixedsamplelocations);

PARAMETERS
       target
	   Specifies the target of the operation.  target must be
	   GL_TEXTURE_2D_MULTISAMPLE or GL_PROXY_TEXTURE_2D_MULTISAMPLE.

       samples
	   The number of samples in the multisample texture's image.

       internalformat
	   The internal format to be used to store the multisample texture's
	   image.  internalformat must specify a color-renderable,
	   depth-renderable, or stencil-renderable format.

       width
	   The width of the multisample texture's image, in texels.

       height
	   The height of the multisample texture's image, in texels.

       fixedsamplelocations
	   Specifies whether the image will use identical sample locations and
	   the same number of samples for all texels in the image, and the
	   sample locations will not depend on the internal format or size of
	   the image.

DESCRIPTION
       glTexImage2DMultisample establishes the data storage, format,
       dimensions and number of samples of a multisample texture's image.

       target must be GL_TEXTURE_2D_MULTISAMPLE or
       GL_PROXY_TEXTURE_2D_MULTISAMPLE.	 width and height are the dimensions
       in texels of the texture, and must be in the range zero to
       GL_MAX_TEXTURE_SIZE - 1.	 samples specifies the number of samples in
       the image and must be in the range zero to GL_MAX_SAMPLES - 1.

       internalformat must be a color-renderable, depth-renderable, or
       stencil-renderable format.

       If fixedsamplelocations is GL_TRUE, the image will use identical sample
       locations and the same number of samples for all texels in the image,
       and the sample locations will not depend on the internal format or size
       of the image.

       When a multisample texture is accessed in a shader, the access takes
       one vector of integers describing which texel to fetch and an integer
       corresponding to the sample numbers describing which sample within the
       texel to fetch. No standard sampling instructions are allowed on the
       multisample texture targets.

NOTES
       glTexImage2DMultisample is available only if the GL version is 3.2 or
       greater.

ERRORS
       GL_INVALID_OPERATION is generated if internalformat is a depth- or
       stencil-renderable format and samples is greater than the value of
       GL_MAX_DEPTH_TEXTURE_SAMPLES.

       GL_INVALID_OPERATION is generated if internalformat is a
       color-renderable format and samples is greater than the value of
       GL_MAX_COLOR_TEXTURE_SAMPLES.

       GL_INVALID_OPERATION is generated if internalformat is a signed or
       unsigned integer format and samples is greater than the value of
       GL_MAX_INTEGER_SAMPLES.

       GL_INVALID_VALUE is generated if either width or height negative or is
       greater than GL_MAX_TEXTURE_SIZE.

       GL_INVALID_VALUE is generated if samples is greater than
       GL_MAX_SAMPLES.

SEE ALSO
       glTexImage3D(), glTexImage2DMultisample()

COPYRIGHT
       Copyright © 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			  04/29/2014	      GLTEXIMAGE2DMULTISAM(3G)

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