[Mesa-dev] [Bug 43122] piglit: spec/ARB_depth_buffer_float/fbo-depth-GL_DEPTH_COMPONENT32F-{blit, {read, draw, copy}pixels}

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=43122

--- Comment #2 from Kai <debian at carbon-project.org> 2011-11-21 10:09:01 PST ---
Created attachment 53744
  --> https://bugs.freedesktop.org/attachment.cgi?id=53744
Bisection run for this bug

As this is a regression, I did a git bisect, but unfortunately certain changes
in the recent commit history made that nearly impossible:

There are only 'skip'ped commits left to test.
The first bad commit could be any of:
6dbf2bac5043564f32cdad08e8d6220618a02080
83863d468e2375696478e3ec83c42aaab9fbc19c
bef4b42938c92fbd6540e81ea4829b0f1d0a6a8b
d0836eda5e7d8e9093c1975ef545e3b3deb287a1
438d7ac146dc89d1c2943610c662c57e11a47382
b098e1af1cdaea8767b8f1416469cdd02a9c39a9
546f76d58f619e3d7e016b3eb04254d5c5c3f39f
94780b5ee6dc118e22c29b5543c4db8e0ab1f393
3754ebb33dc6bfb3db59f23f0b3690134a71aa15
caaefe19691a58676a5f8fc5f0a2c06236cd5dc8
77c85f014aa1db44f60b1b3291af8132ab65f444
b31bc6b5434b5c27136d2fa4386b2904411eb3f6
1161facaf9bb14086807714c72a7554ed229a52f
We cannot bisect more!

I always hit
> g++ -Wall -g -O2 -Wall -Wmissing-prototypes -std=c99 -ffast-math -fno-strict-aliasing -fno-builtin-memcmp -Wall -g -O2  -fPIC  -DUSE_X86_64_ASM -D_GNU_SOURCE -DPTHREADS -DTEXTURE_FLOAT_ENABLED -DHAVE_POSIX_MEMALIGN -DGLX_INDIRECT_RENDERING -DGLX_DIRECT_RENDERING -DGLX_USE_TLS -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER -DHAVE_ALIAS -DHAVE_MINCORE -DHAVE_LIBUDEV -DHAVE_XCB_DRI2 -DXCB_DRI2_CONNECT_DEVICE_NAME_BROKEN -DHAVE_XEXTPROTO_71 -D__STDC_CONSTANT_MACROS -DHAVE_LLVM=0x0209 -fvisibility=hidden -o r200_dri.so.test ../../../../../src/mesa/drivers/dri/common/dri_test.o r200_dri.so.tmp  ../../../../../src/mesa/libmesa.a  -ldrm   -lexpat -lm -lpthread -ldl -ldrm_radeon  
> r200_dri.so.tmp: undefined reference to `_swrast_ReadPixels'
> collect2: ld returned 1 exit status

In any case, I've attached the bisection log. And maybe somebody can guess
which of the above commits broke ARB_depth_buffer_float.

If you need more/other information, please let me know.

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