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Author SHA1 Message Date
Jason Ekstrand
366181d826 nir: Add a parallel copy instruction type 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
7de6b7fc3e nir: Add a function for rewriting all the uses of a SSA def 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
946012f10f nir: Automatically handle SSA uses when an instruction is inserted 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
fbc443ad56 nir: Add an initialization function for SSA definitions 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
f86902e75d nir: Add an SSA-based liveness analysis pass. 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
c9a21c725d nir: set reg_alloc and ssa_alloc when indexing registers and SSA values 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
d7e482d32c nir: Add a function to detect if a block is immediately followed by an if 
Since we don't actually have an "if" instruction, this is a very common
pattern when iterating over instructions.  This adds a helper function for
it to make things a little less painful.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
dfdf0c4673 nir: Add a foreach_block_reverse function 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
07556442a7 nir/foreach_block: Return false if the callback on the last block fails 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
49911cf4db nir: Add a basic metadata management system 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
ea1eefe13f nir/lower_variables_scalar: Silence a compiler warning 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
63eb32950e i965/fs_nir: Convert the shader to/from SSA 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
9d986d19d0 nir: Add a lower_vec_to_movs pass 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
2943522d80 nir: Add a naieve from-SSA pass 
This pass is kind of stupidly implemented but it should be enough to get us
up and going.  We probably want something better that doesn't generate all
of the redundant moves eventually.  However, the i965 backend should be
able to handle the movs, so I'm not too worried about it in the short term.
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
ff0a9fcf33 i965/fs_nir: Don't duplicate emit_general_interpolation 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
b1fe8604c6 i965/fs: Don't take an ir_variable for emit_general_interpolation 
Previously, emit_general_interpolation took an ir_variable and pulled the
information it needed from that.  This meant that in fs_fp, we were
constructing a dummy ir_variable just to pass into it.  This commit makes
emit_general_interpolation take only the information it needs and gets rid
of the fs_fp cruft.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
b600f1a381 nir: Add intrinsics to do alternate interpolation on inputs 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
4b4f90dbff nir: Add NIR_TRUE and NIR_FALSE constants and use them for boolean immediates 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
744b4e9348 i965/fs_nir: Add atomic counters support 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
6e46c98ec1 nir/lower_atomics: Multiply array offsets by ATOMIC_COUNTER_SIZE 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
95fbd6e1ee i965/fs_nir: Handle coarse/fine derivatives 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
d40b5ca5c5 nir/glsl: Add support for coarse and fine derivatives 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
8c75a7ce59 nir: Add fine and coarse derivative opcodes 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
458a6ce500 nir/glsl: Add support for saturate 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
4582341ea7 i965/fs_nir: Add support for sample_pos and sample_id 2015-01-15 07:18:59 -08:00
Jason Ekstrand
7cd1537aae Fix up varying pull constants 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
4bb81f6d02 Fix what I think are a few NIR typos 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
b092bc9805 i965/fs_nir: Use the correct texture offset immediate 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
c181ff268e i965/fs_nir: Use the correct types for texture inputs 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
c2ded36bb6 i965/fs_nir: Make the sampler register always unsigned 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
ae2880d131 i965/fs: Only use nir for 8-wide non-fast-clear shaders. 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Connor Abbott
2faf7f87d6 i965/fs: add a NIR frontend 
This is similar to the GLSL IR frontend, except consuming NIR. This lets
us test NIR as part of an actual compiler.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   Make brw_fs_nir build again
   Only use NIR of INTEL_USE_NIR is set
   whitespace fixes
 2015-01-15 07:18:59 -08:00
Connor Abbott
9afc566e2d i965/fs: Don't pass through the coordinate type 
All we really need is the number of components.
 2015-01-15 07:18:58 -08:00
Connor Abbott
616a48ebc6 i965/fs: make emit_fragcoord_interpolation() not take an ir_variable 2015-01-15 07:18:58 -08:00
Connor Abbott
7602385ac5 nir: add an SSA-based dead code elimination pass 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
8b7cb7674c nir: add an SSA-based copy propagation pass 2015-01-15 07:18:58 -08:00
Connor Abbott
4553887d4a nir: add a pass to convert to SSA 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
b559ee709b nir: calculate dominance information 2015-01-15 07:18:58 -08:00
Connor Abbott
cff1deff72 nir: add an optimization to turn global registers into local registers 
After linking and inlining, this allows us to convert these registers
into SSA values and optimise more code.
 2015-01-15 07:18:58 -08:00
Connor Abbott
613bf6818a nir: add a pass to lower atomics 
v2: Jason Ekstrand <jason.ekstrand@intel.com>
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
8692c6a023 nir: add a pass to lower system value reads 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
8cdcfce5ce nir: add a pass to lower sampler instructions 2015-01-15 07:18:58 -08:00
Connor Abbott
370e875b32 nir: add a pass to remove unused variables 
After we lower variables, we want to delete them in order to free up
some memory.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
    whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
494790b2a9 nir: keep track of the number of input, output, and uniform slots 2015-01-15 07:18:58 -08:00
Connor Abbott
c2f36cf125 nir: add a pass to lower variables for scalar backends 2015-01-15 07:18:58 -08:00
Connor Abbott
7f0daaa5e7 nir: add a glsl-to-nir pass 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   Make glsl_to_nir build again
   fix whitespace
 2015-01-15 07:18:58 -08:00
Connor Abbott
dbb76421da nir: add a validation pass 
This is similar to ir_validate.cpp.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
98fa28bff7 nir: add a printer 
This is similar to ir_print_visitor.cpp.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Jason Ekstrand
9b1139649d SQUASH: Fix comments from eric 
Reviewed-by: Eric Anholt <eric@anholt.net>
 2015-01-15 07:18:58 -08:00
Jason Ekstrand
8b4c860580 SQUASH: Add an assert 2015-01-15 07:18:58 -08:00