On Fri, Apr 22, 2011 at 07:19:36PM +0200, Sven Arvidsson wrote: > On Fri, 2011-04-22 at 16:46 +0200, Marek Olšák wrote: > > That page seems to lie. > > > > The R500 limits are: > > - 1024 vertex shader instructions > > - 512 fragment shader instructions > > I remembered that I still have an XP partition around, so I ran GLinfo > myself, and it seems to report the same: > http://whiz.se/temp/x1950pro.htm > > I guess the application itself could be buggy though, is there any other > way of confirming the number of instructions? > > > You should get these values from 'glxinfo -l'. > > Right, that was what I compared the GLinfo output with: > > GL_FRAGMENT_PROGRAM_ARB: > GL_MAX_PROGRAM_INSTRUCTIONS_ARB = 16384 > GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB = 512 > GL_MAX_PROGRAM_TEMPORARIES_ARB = 256 > GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB = 128 > GL_MAX_PROGRAM_PARAMETERS_ARB = 64 > GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB = 256 > GL_MAX_PROGRAM_ATTRIBS_ARB = 12 > GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB = 10 > GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB = 0 > GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB = 0 > GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB = 1024 > GL_MAX_PROGRAM_ENV_PARAMETERS_ARB = 256 > GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB = 16384 > GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB = 16384 > GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB = 16384 > GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB = 512 > GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB = 512 > GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB = 511 >
R500 cards do support 1024 fragment shader instructions (512 ALU + 512 TEX), so I think the value of GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB should be 1024. -Tom _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
