Bug ID: 106053
           Summary: Drawing at screen boundary is very slow.
           Product: Mesa
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        QA Contact:

Created attachment 138844
bitmap for testing

When a partially visible sprites are drawn to the screen, fps drops really

code tested:

fully visible = 73.8 fps
fully invisible = 394 fps
partially visible = 5.75 fps

The same situation is happening on Allegro library. I don't know enough OpenGL
to test it directly.

I can provide more test results. Just ask me to do it.

Extended renderer info (GLX_MESA_query_renderer):
    Vendor: X.Org R300 Project (0x1002)
    Device: ATI RC410 (0x5a62)
    Version: 17.3.7
    Accelerated: yes
    Video memory: 128MB
    Unified memory: no
    Preferred profile: compat (0x2)
    Max core profile version: 0.0
    Max compat profile version: 2.1
    Max GLES1 profile version: 1.1
    Max GLES[23] profile version: 2.0

And small question. Why Max core profile shows 0.0? Should I open another

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