http://bugs.freedesktop.org/show_bug.cgi?id=13395
Summary: glTexSubImage2D() imposes limits on subtexture size
Product: Mesa
Version: CVS
Platform: All
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Mesa core
AssignedTo: mesa3d-dev@lists.sourceforge.net
ReportedBy: [EMAIL PROTECTED]
teximage.c:subtexture_error_check2() called in glTexSubImage2D() returns an
error code if the subimage width, length is not equal the original texture
width, length, and is not a power of 4, e.g.:
/* size must be multiple of 4 or equal to whole texture size */
if ((width & 3) && (GLuint) width != destTex->Width) {
<Error>
}
The OpenGL glTexSubImage2D() definition does not specify this limitation.
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