https://bugs.freedesktop.org/show_bug.cgi?id=61854
Christoph Bumiller <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |NOTOURBUG --- Comment #3 from Christoph Bumiller <[email protected]> --- blender's shader says: "gl_ClipVertex works only on NVIDIA graphic cards so we have to check with __GLSL_CG_DATA_TYPES" The GL 2.0 spec says: "If gl ClipVertex is not written by the vertex shader, its value is undefined, which implies that the results of clipping to any client-defined clip planes are also undefined." I don't know with which driver they tested this (maybe on a gallium driver before gl_ClipVertex was handled, which came rather late ?), but they can't expect undefined behaviour to work everywhere. -- You are receiving this mail because: You are the assignee for the bug.
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