glitchy rendering on llvmpipe
Submitted by Lukas
Link to original bug (#778006)
Description
Created attachment 344671 broken rendering
How to reproduce: Run the OpenGL demo from gtk3-demo on X11 with llvmpipe and observe glitchy rendering. See attached screenshot on how it looks like. By moving the mouse and resizing the window, you can make various portions of the window appear and disappear.
partial output from glxinfo: Extended renderer info (GLX_MESA_query_renderer): Vendor: VMware, Inc. (0xffffffff) Device: llvmpipe (LLVM 3.9, 256 bits) (0xffffffff) Version: 13.0.3 Accelerated: no Video memory: 493MB Unified memory: no Preferred profile: core (0x1) Max core profile version: 3.3 Max compat profile version: 3.0 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.0 OpenGL vendor string: VMware, Inc. OpenGL renderer string: Gallium 0.4 on llvmpipe (LLVM 3.9, 256 bits) OpenGL core profile version string: 3.3 (Core Profile) Mesa 13.0.3
Attachment 344671, "broken rendering":
Version: 3.22.x