https://bugs.freedesktop.org/show_bug.cgi?id=28294 --- Comment #32 from Benjamin Segovia <benjamin.segovia@xxxxxxxxx> 2010-09-27 15:28:53 PDT --- Ok, the number of registers may be too high, so optimizing is required to lower that number. 1/ To mesa developpers: do you know which part of mesa is disabled when RADEON_DEBUG=noopt is setup? Does it only modify radeon backend? In that case, this is a backend problem not a glsl2 or prog_optimize.c bug. 2/ We may try to workaround the assert you hit. You may do the following thing in _mesa_optimize_program. As below, comments the lines I commented. This will disable optimizations while maintaining register reallocation: #if 0 _mesa_remove_extra_move_use(program); if (_mesa_remove_dead_code_global(program)) any_change = GL_TRUE; if (_mesa_remove_extra_moves(program)) any_change = GL_TRUE; if (_mesa_remove_dead_code_local(program)) any_change = GL_TRUE; #endif _mesa_reallocate_registers(program); Thanks for help. You are awesomely reactive :) Ben (In reply to comment #31) > (In reply to comment #30) > > (In reply to comment #29) > > > Created an attachment (id=38758) --> (https://bugs.freedesktop.org/attachment.cgi?id=38758) [details] > > > screenshot with current mesa git ( dab2a7660a407364a33337327743b56ea9701d9b) > > > > Hello, > > > > Problem is that I cannot test r300g. One bug was outstanding in my merge. It > > was solved few hours after glsl2 merge. So: > > 1/ One bug or more in the mesa program optimizations could cause that bug > > 2/ One bug or more in glsl2 could cause it > > 3/ Both > > > > Could you comment the body of function _mesa_optimize_program in > > src/mesa/program/prog_optimize.c (this is the last function of the source > > file)? This will deactivate my commit. > > > > Just to see if there is something wrong with glsl2 merge first. > > > > Cheers, > > Ben > > Hi, I did comment out the body of _mesa_optimize_program and I'm now hiting > this assertion "Sanctuary: program/program.c:879: _mesa_find_used_registers: > Assertion `inst->DstReg.Index < usedSize' failed.", this is with shaders > quality high, with low there is no change (starts but no shadows). > I've found out that I can make shadows work when I start it with > RADEON_DEBUG=noopt, which if I understand it correctly disables all > optimizations. (In reply to comment #31) > (In reply to comment #30) > > (In reply to comment #29) > > > Created an attachment (id=38758) --> (https://bugs.freedesktop.org/attachment.cgi?id=38758) [details] > > > screenshot with current mesa git ( dab2a7660a407364a33337327743b56ea9701d9b) > > > > Hello, > > > > Problem is that I cannot test r300g. One bug was outstanding in my merge. It > > was solved few hours after glsl2 merge. So: > > 1/ One bug or more in the mesa program optimizations could cause that bug > > 2/ One bug or more in glsl2 could cause it > > 3/ Both > > > > Could you comment the body of function _mesa_optimize_program in > > src/mesa/program/prog_optimize.c (this is the last function of the source > > file)? This will deactivate my commit. > > > > Just to see if there is something wrong with glsl2 merge first. > > > > Cheers, > > Ben > > Hi, I did comment out the body of _mesa_optimize_program and I'm now hiting > this assertion "Sanctuary: program/program.c:879: _mesa_find_used_registers: > Assertion `inst->DstReg.Index < usedSize' failed.", this is with shaders > quality high, with low there is no change (starts but no shadows). > I've found out that I can make shadows work when I start it with > RADEON_DEBUG=noopt, which if I understand it correctly disables all > optimizations. (In reply to comment #31) > (In reply to comment #30) > > (In reply to comment #29) > > > Created an attachment (id=38758) --> (https://bugs.freedesktop.org/attachment.cgi?id=38758) [details] > > > screenshot with current mesa git ( dab2a7660a407364a33337327743b56ea9701d9b) > > > > Hello, > > > > Problem is that I cannot test r300g. One bug was outstanding in my merge. It > > was solved few hours after glsl2 merge. So: > > 1/ One bug or more in the mesa program optimizations could cause that bug > > 2/ One bug or more in glsl2 could cause it > > 3/ Both > > > > Could you comment the body of function _mesa_optimize_program in > > src/mesa/program/prog_optimize.c (this is the last function of the source > > file)? This will deactivate my commit. > > > > Just to see if there is something wrong with glsl2 merge first. > > > > Cheers, > > Ben > > Hi, I did comment out the body of _mesa_optimize_program and I'm now hiting > this assertion "Sanctuary: program/program.c:879: _mesa_find_used_registers: > Assertion `inst->DstReg.Index < usedSize' failed.", this is with shaders > quality high, with low there is no change (starts but no shadows). > I've found out that I can make shadows work when I start it with > RADEON_DEBUG=noopt, which if I understand it correctly disables all > optimizations. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
