https://bugs.freedesktop.org/show_bug.cgi?id=28624

Marek Olšák maraeo@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Summary|fails to compile some |[r300g] too many texture |fragment programs of Enemy |indirections (was: fails to |Territory: Quake Wars |compile some fragment | |programs of Enemy | |Territory: Quake Wars)

https://bugs.freedesktop.org/show_bug.cgi?id=28624

--- Comment #2 from Marek Olšák maraeo@gmail.com 2010-07-05 09:26:36 PDT --- The failing shader:

FRAG DCL IN[0], GENERIC[0], PERSPECTIVE DCL IN[1], GENERIC[1], PERSPECTIVE DCL IN[2], GENERIC[2], PERSPECTIVE DCL IN[3], GENERIC[3], PERSPECTIVE DCL IN[4], GENERIC[4], PERSPECTIVE DCL IN[5], GENERIC[5], PERSPECTIVE DCL IN[6], GENERIC[6], PERSPECTIVE DCL IN[7], GENERIC[7], PERSPECTIVE DCL OUT[0], COLOR DCL SAMP[0] DCL TEMP[0..1] IMM FLT32 { 0.0714, 0.1071, 0.1429, 0.1786} 0: TEX TEMP[0], IN[1], SAMP[0], RECT 1: MUL TEMP[1], TEMP[0], IMM[0].yyyy 2: TEX TEMP[0], IN[0], SAMP[0], RECT 3: MAD TEMP[1], TEMP[0], IMM[0].xxxx, TEMP[1] 4: TEX TEMP[0], IN[2], SAMP[0], RECT 5: MAD TEMP[1], TEMP[0], IMM[0].zzzz, TEMP[1] 6: TEX TEMP[0], IN[3], SAMP[0], RECT 7: MAD TEMP[1], TEMP[0], IMM[0].wwww, TEMP[1] 8: TEX TEMP[0], IN[4], SAMP[0], RECT 9: MAD TEMP[1], TEMP[0], IMM[0].wwww, TEMP[1] 10: TEX TEMP[0], IN[5], SAMP[0], RECT 11: MAD TEMP[1], TEMP[0], IMM[0].zzzz, TEMP[1] 12: TEX TEMP[0], IN[6], SAMP[0], RECT 13: MAD TEMP[1], TEMP[0], IMM[0].yyyy, TEMP[1] 14: TEX TEMP[0], IN[7], SAMP[0], RECT 15: MAD OUT[0], TEMP[0], IMM[0].xxxx, TEMP[1] 16: END

If we reorder all the instructions, rename a few registers etc. we will end up with 1 TEX block. This seems to be the third TEX scheduling bug in the compiler we know about.

https://bugs.freedesktop.org/show_bug.cgi?id=28624

--- Comment #4 from Álmos aaalmosss@gmail.com 2010-07-09 11:53:12 PDT --- Fix confirmed. It doesn't print error messages, and the trees are not black anymore.