| Variables | Description |
|---|
|
target
|
Specifies the target texture.
Must be
GL_TEXTURE_3D
or
GL_TEXTURE_2D_ARRAY
.
|
|
level
|
Specifies the level-of-detail number.
Level 0 is the base image level.
Level
n
is the
n
th mipmap reduction image.
|
|
xoffset
|
Specifies a texel offset in the x direction within the texture array.
|
|
yoffset
|
Specifies a texel offset in the y direction within the texture array.
|
|
zoffset
|
Specifies a texel offset in the z direction within the texture array.
|
|
x, y
|
Specify the window coordinates of the lower left corner
of the rectangular region of pixels to be copied.
|
|
width
|
Specifies the width of the texture subimage.
|
|
height
|
Specifies the height of the texture subimage.
|