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pan/bi: Stub out tex_compact logic

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We may generate either texture type.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4671>
This commit is contained in:
Alyssa Rosenzweig 2020-04-21 12:15:29 -04:00 • committed by Marge Bot
parent f85746af35
commit 0769036a5c
1 changed files with 36 additions and 3 deletions
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39
src/panfrost/bifrost/bifrost_compile.c
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@ -678,6 +678,41 @@ emit_alu(bi_context *ctx, nir_alu_instr *instr)
bi_emit(ctx, alu);
}
/* TEX_COMPACT instructions assume normal 2D f32 operation but are more
* space-efficient and with simpler RA/scheduling requirements*/
static void
emit_tex_compact(bi_context *ctx, nir_tex_instr *instr)
{
unreachable("stub");
}
static void
emit_tex_full(bi_context *ctx, nir_tex_instr *instr)
{
unreachable("stub");
}
static void
emit_tex(bi_context *ctx, nir_tex_instr *instr)
{
nir_alu_type base = nir_alu_type_get_base_type(instr->dest_type);
unsigned sz = nir_dest_bit_size(instr->dest);
instr->dest_type = base | sz;
bool is_normal = instr->op == nir_texop_tex;
bool is_2d = instr->sampler_dim == GLSL_SAMPLER_DIM_2D ||
instr->sampler_dim == GLSL_SAMPLER_DIM_EXTERNAL;
bool is_f = base == nir_type_float && (sz == 16 || sz == 32);
bool is_compact = is_normal && is_2d && is_f && !instr->is_shadow;
if (is_compact)
emit_tex_compact(ctx, instr);
else
emit_tex_full(ctx, instr);
}
static void
emit_instr(bi_context *ctx, struct nir_instr *instr)
{
@ -694,11 +729,9 @@ emit_instr(bi_context *ctx, struct nir_instr *instr)
emit_alu(ctx, nir_instr_as_alu(instr));
break;
#if 0
case nir_instr_type_tex:
emit_tex(ctx, nir_instr_as_tex(instr));
break;
#endif
case nir_instr_type_jump:
emit_jump(ctx, nir_instr_as_jump(instr));
@ -709,7 +742,7 @@ emit_instr(bi_context *ctx, struct nir_instr *instr)
break;
default:
//unreachable("Unhandled instruction type");
unreachable("Unhandled instruction type");
break;
}
}