[Mesa-dev] [PATCH 19/19] mesa/tests: Sanity check the ES2 dispatch table

[Ian Romanick]

On 09/28/2012 01:55 PM, Paul Berry wrote:
> On 5 September 2012 15:09, Ian Romanick <idr at freedesktop.org
> <mailto:idr at freedesktop.org>> wrote:
>
>     From: Ian Romanick <ian.d.romanick at intel.com
>     <mailto:ian.d.romanick at intel.com>>
>
>     This test is only built when shared-glapi is used.  Because of changes
>     elsewhere in the tree that were necessary to make shared-glapi work
>     correct with GLX, it's not feasible to make the test function both ways.
>
>     Signed-off-by: Ian Romanick <ian.d.romanick at intel.com
>     <mailto:ian.d.romanick at intel.com>>
>
>
> This test is failing on my system when I run "make check":
>
> [----------] 1 test from DispatchSanity_test
> [ RUN      ] DispatchSanity_test.GLES2
> Mesa warning: couldn't open libtxc_dxtn.so, software DXTn
> compression/decompression unavailable
> dispatch_sanity.cpp:122: Failure
> Value of: table[i]
>    Actual: 0x4de54e
> Expected: (_glapi_proc) _mesa_generic_nop
> Which is: 0x41af72
> i = 321
> [  FAILED  ] DispatchSanity_test.GLES2 (4 ms)
> [----------] 1 test from DispatchSanity_test (4 ms total)
>
> Is anybody else getting this problem?

Can you put the following in the SET_by_offset macro 
(src/mesa/main/dispatch.h in your build directory):

     if (offset == 321) abort(); \

then backtrace to see what API function is at fault?

> Here's how I have Mesa configured:
>
> ./autogen.sh \
>      --with-gallium-drivers= \
>      --enable-gles1 \
>      --disable-glut \
>      --enable-debug \
>      --enable-egl \
>      --enable-gles2 \
>      --enable-texture-float \
>      --enable-glx-tls \
>      --enable-shared-glapi \
>      "--prefix=$PLATFORM_INSTALL_DIR" \
>      --with-dri-drivers=swrast,i915,i965 \
>      CFLAGS="-O0 $CFLAGS" \
>      CXXFLAGS="-O0 $CXXFLAGS"