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Conflicts:
src/mesa/shader/lex.yy.c
src/mesa/shader/program_parse.tab.c
src/mesa/shader/program_parse.tab.h
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The lexer will return IDENTIFIER only when the name does not have an
associated symbol. Otherwise USED_IDENTIFIER is returned.
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Adds support for declaring TEMP and OUTPUT variables as 'LONG' or
'SHORT' precision. The precision specifiers are parsed, but they are
currently ignored. Some support for this may be added in the future,
but neither Intel hardware nor, as far as I'm aware, Radeon hardware
support multiple precisions.
Also adds support for instruction precision ('X', 'H', and 'R')
suffixes and instruction condition code output ('C') suffix. This
results in a fairly major change to the lexer. Instructions are
matched with all the possible suffix strings. The suffix string are
then carved off by a context (i.e., which program mode and options are
set) aware parser that converts the suffixes to bits in
prog_instruction.
This could have been handled in the same way _SAT was originally
handled in the lexer, but it would have resulted in a very large lexer
with lots of opportunity for cut-and-paste errors.
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Fixes compilation warnings with MSVC.
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Fixes symbol collisions with typedefs in Microsoft headers.
Perhaps we should prefix/suffix all the lexer tokens to avoid this.
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This isn't really tested yet as no drivers actually support this extension.
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Passes the piglit asmparsertest shadow-0[123].txt tests and
progs/demos/shadowtex.
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Require that GL_{ARB,EXT,NV}_texture_rectangle be supported before
allowing use of RECT texture target.
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The changes are, as it turns out, purely cosmetic.
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This still needs quite a bit of work, but a bunch of the programs in progs/vp
produce correct results.
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