NAME¶
glTexImage3DMultisample - establish the data storage, format, dimensions, and
number of samples of a multisample texture's image
C SPECIFICATION¶
void
glTexImage3DMultisample(GLenum target,
GLsizei samples, GLint internalformat,
GLsizei width, GLsizei height,
GLsizei depth,
GLboolean fixedsamplelocations);
PARAMETERS¶
target
Specifies the target of the operation.
target must be GL_TEXTURE_2D_MULTISAMPLE_ARRAY or
GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
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¶
glTexImage3DMultisample establishes the data storage, format, dimensions
and number of samples of a multisample texture's image.
target must be
GL_TEXTURE_2D_MULTISAMPLE_ARRAY or
GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY.
width and
heightare the dimensions in texels of the texture, and must be in the
range zero to
GL_MAX_TEXTURE_SIZE - 1.
depth is the number of
array slices in the array texture's image.
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
depth is negative or is greater
than
GL_MAX_ARRAY_TEXTURE_LAYERS.
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/.
