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freedreno/ir3: Replace our custom vec4 UBO intrinsic with the shared lowering.

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This gets us fewer comparisons in the shaders that we need to optimize
back out, and reduces backend code.

total instructions in shared programs: 11547270 -> 7219930 (-37.48%)
total full in shared programs: 334268 -> 319602 (-4.39%)

Reviewed-by: Kristian H. Kristensen <hoegsberg@google.com>
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6378>
This commit is contained in:
Eric Anholt
2020-08-18 15:45:02 -07:00
parent 73616598bd
commit 2b25240993
5 changed files with 7 additions and 91 deletions
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6
src/compiler/nir/nir_intrinsics.py
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@@ -815,12 +815,6 @@ intrinsic("ssbo_atomic_xor_ir3", src_comp=[1, 1, 1, 1], dest_comp=1, i
intrinsic("ssbo_atomic_exchange_ir3", src_comp=[1, 1, 1, 1], dest_comp=1, indices=[ACCESS])
intrinsic("ssbo_atomic_comp_swap_ir3", src_comp=[1, 1, 1, 1, 1], dest_comp=1, indices=[ACCESS])
# IR3-specific instruction for UBO loads using the ldc instruction. The second
# source is the indirect offset, in units of four dwords. The base is a
# component offset, in dword units.
intrinsic("load_ubo_ir3", src_comp=[1, 1], bit_sizes=[32], dest_comp=0, indices=[BASE],
flags=[CAN_REORDER, CAN_ELIMINATE])
# System values for freedreno geometry shaders.
system_value("vs_primitive_stride_ir3", 1)
system_value("vs_vertex_stride_ir3", 1)