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freedreno/ir3: implement texop_texture_samples

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Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Rob Clark <robclark@gmail.com>
This commit is contained in:
Jonathan Marek 2019-10-07 16:21:52 -04:00
parent 3cfd5ffb8c
commit 92d756f22d
1 changed files with 9 additions and 5 deletions
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14
src/freedreno/ir3/ir3_compiler_nir.c
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@ -1979,20 +1979,21 @@ emit_tex(struct ir3_context *ctx, nir_tex_instr *tex)
}
static void
emit_tex_query_levels(struct ir3_context *ctx, nir_tex_instr *tex)
emit_tex_info(struct ir3_context *ctx, nir_tex_instr *tex, unsigned idx)
{
struct ir3_block *b = ctx->block;
struct ir3_instruction **dst, *sam;
dst = ir3_get_dst(ctx, &tex->dest, 1);
sam = ir3_SAM(b, OPC_GETINFO, TYPE_U32, 0b0100, 0,
sam = ir3_SAM(b, OPC_GETINFO, TYPE_U32, 1 << idx, 0,
get_tex_samp_tex_src(ctx, tex), NULL, NULL);
/* even though there is only one component, since it ends
* up in .z rather than .x, we need a split_dest()
* up in .y/.z/.w rather than .x, we need a split_dest()
*/
ir3_split_dest(b, dst, sam, 0, 3);
if (idx)
ir3_split_dest(b, dst, sam, 0, idx + 1);
/* The # of levels comes from getinfo.z. We need to add 1 to it, since
* the value in TEX_CONST_0 is zero-based.
@ -2093,7 +2094,10 @@ emit_instr(struct ir3_context *ctx, nir_instr *instr)
emit_tex_txs(ctx, tex);
break;
case nir_texop_query_levels:
emit_tex_query_levels(ctx, tex);
emit_tex_info(ctx, tex, 2);
break;
case nir_texop_texture_samples:
emit_tex_info(ctx, tex, 3);
break;
default:
emit_tex(ctx, tex);