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i965/fs: Refactor offset() into a separate function taking the width as argument.

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This will be useful in the SIMD lowering pass to avoid having to
construct a builder object of the known region width just to pass it
as argument to offset(), which doesn't do anything with it other than
taking the builder dispatch_width as region width.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Francisco Jerez 2016-05-26 23:09:46 -07:00
parent a5b4f63c15
commit 4db93592de
2 changed files with 21 additions and 16 deletions
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18
src/mesa/drivers/dri/i965/brw_fs.h
View file

@ -44,23 +44,9 @@ namespace brw {
struct brw_gs_compile;
static inline fs_reg
offset(fs_reg reg, const brw::fs_builder& bld, unsigned delta)
offset(const fs_reg &reg, const brw::fs_builder &bld, unsigned delta)
{
switch (reg.file) {
case BAD_FILE:
break;
case ARF:
case FIXED_GRF:
case MRF:
case VGRF:
case ATTR:
case UNIFORM:
return byte_offset(reg,
delta * reg.component_size(bld.dispatch_width()));
case IMM:
assert(delta == 0);
}
return reg;
return offset(reg, bld.dispatch_width(), delta);
}
/**

19
src/mesa/drivers/dri/i965/brw_ir_fs.h
View file

@ -140,6 +140,25 @@ horiz_offset(const fs_reg &reg, unsigned delta)
unreachable("Invalid register file");
}
static inline fs_reg
offset(fs_reg reg, unsigned width, unsigned delta)
{
switch (reg.file) {
case BAD_FILE:
break;
case ARF:
case FIXED_GRF:
case MRF:
case VGRF:
case ATTR:
case UNIFORM:
return byte_offset(reg, delta * reg.component_size(width));
case IMM:
assert(delta == 0);
}
return reg;
}
/**
* Get the scalar channel of \p reg given by \p idx and replicate it to all
* channels of the result.