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freedreno/ir3: allow inputs with the same location

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turnip can have multiple inputs with the same location, and different
location_frac.

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3109>
This commit is contained in:
Jonathan Marek
2019-12-15 18:54:26 -05:00
parent 17c9ec94f5
commit 1736447f27
1 changed files with 17 additions and 9 deletions
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26
src/freedreno/ir3/ir3_compiler_nir.c
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@@ -2704,7 +2704,7 @@ setup_input(struct ir3_context *ctx, nir_variable *in)
return;
so->inputs[n].slot = slot;
so->inputs[n].compmask = (1 << (ncomp + frac)) - 1;
so->inputs[n].compmask |= (1 << (ncomp + frac)) - 1;
so->inputs_count = MAX2(so->inputs_count, n + 1);
so->inputs[n].interpolate = in->data.interpolation;
@@ -2767,17 +2767,25 @@ setup_input(struct ir3_context *ctx, nir_variable *in)
ctx->inputs[idx] = instr;
}
} else if (ctx->so->type == MESA_SHADER_VERTEX) {
/* We shouldn't have fractional input for VS input.. that only shows
* up with varying packing
*/
assert(frac == 0);
struct ir3_instruction *input = NULL, *in;
struct ir3_instruction *components[4];
unsigned mask = (1 << (ncomp + frac)) - 1;
struct ir3_instruction *input = create_input(ctx, (1 << ncomp) - 1);
struct ir3_instruction *components[ncomp];
foreach_input(in, ctx->ir) {
if (in->input.inidx == n) {
input = in;
break;
}
}
input->input.inidx = n;
if (!input) {
input = create_input(ctx, mask);
input->input.inidx = n;
} else {
input->regs[0]->wrmask |= mask;
}
ir3_split_dest(ctx->block, components, input, 0, ncomp);
ir3_split_dest(ctx->block, components, input, frac, ncomp);
for (int i = 0; i < ncomp; i++) {
unsigned idx = (n * 4) + i + frac;