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Reviewed-by: Kenneth Graunke <[email protected]>
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This has less impact than for the FS (4k savings), because it was partially
done already, but makes things more consistent.
Reviewed-by: Kenneth Graunke <[email protected]>
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Copy and pasted from fs_inst::is_tex(), but without TXB.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Signed-off-by: Kenneth Graunke <[email protected]>
Tested-by: Ian Romanick <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Removes 1.8% of the instructions from 97% of the vertex shaders in
shader-db.
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This will be used for compute-to-mrf, which needs to know when MRFs
get overwritten.
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We generate silly code for array access, and it's easier to generally
support the cleanup than to specifically avoid the bad code in each
place we might generate it.
Removes 4.6% of instructions from 41.6% of shaders in shader-db,
particularly savage2/hon and unigine.
v2: Fixes by Ken: Make is_zero/one member functions, and fix a
progress flag.
Reviewed-by: Kenneth Graunke <[email protected]>
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Removes 2.0% of the instructions from 35.7% of vertex shaders in shader-db.
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This differs from the FS in that we track constants in each
destination channel, and we we have to look at all the swizzled source
channels. Also, the instruction stream walk is done in an O(n) manner
instead of O(n^2).
Across shader-db, this reduces 8.0% of the instructions from 60.0% of
the vertex shaders, leaving us now behind the old backend by 11.1%
overall.
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Fixes glsl-vs-uniform-array-4.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=33742
Reviewed-by: Ian Romanick <[email protected]>
Acked-by: Kenneth Graunke <[email protected]>
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At some point we need to also move uniform accesses out to pull
constants when there are just too many in use, but we lack tests for
that at the moment.
Fixes glsl-vs-large-uniform-array.
Reviewed-by: Kenneth Graunke <[email protected]>
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This will make it easier to figure out which elements are totally
unused and not upload them.
Reviewed-by: Kenneth Graunke <[email protected]>
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This is copied right from the fragment shader. It is needed for real
register allocation to work correctly.
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This is a rather pessimistic calculation, since it doesn't distinguish
individual channels of a vec4, or elements of an array, but should be
a minimum start for register allocation.
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