| Summary: | [nv50] Graphical glitches in dota2 | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | Emil Velikov <emil.l.velikov> |
| Component: | Drivers/DRI/nouveau | Assignee: | Nouveau Project <nouveau> |
| Status: | RESOLVED DUPLICATE | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | x86-64 (AMD64) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: |
Screen shot of the issue, from a trimmed trace
Screen shot of the issue, from original trace |
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Created attachment 109568 [details]
Screen shot of the issue, from original trace
Reference image of the issue from a non-trimmed trace.
The trace is here: http://people.freedesktop.org/~evelikov/fdo86356/dota2.trace.xz The following messages while replaying the trace are due to the trimming: Mesa: User error: GL_INVALID_OPERATION in glDeleteShader XX: glDebugOutputCallback: High severity API error 2, GL_INVALID_OPERATION in glDeleteShader 0 XX glDeleteShader(shader = YY) Running against debug mesa (./configure --enable-debug ...) does not trigger any asserts or produce extra output to stderr/stdout. |
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Created attachment 109567 [details] Screen shot of the issue, from a trimmed trace It seems that one of the dota2 updates over the last month or so introduced a regression causing visual glitches as shown in the attached files. Originally I've assumed to be a mesa regression, but it seems that's not the case - old, previously working mesa produces the same output. MESA_EXTENSION_OVERRIDE=-GL_ARB_draw_elements_base_vertex makes no difference, plus replaying a trace recorded on i965/snb (no issues there) exhibits the same glitches. Note: After trimming the trace some textures are not missing and the text appears block. The trace plus a screenshot of a non-trimmed trace will follow shortly.