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zink: implement load_instance_id

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Reviewed-by: Dave Airlie <airlied@redhat.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3644>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3644>
This commit is contained in:
Erik Faye-Lund 2020-01-30 20:35:04 +01:00 • committed by Marge Bot
parent c0ced1e79b
commit f12b844e7c
2 changed files with 22 additions and 3 deletions
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22
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
View file

@ -57,7 +57,7 @@ struct ntv_context {
bool block_started;
SpvId loop_break, loop_cont;
SpvId front_face_var, vertex_id_var;
SpvId front_face_var, instance_id_var, vertex_id_var;
};
static SpvId
@ -1313,6 +1313,22 @@ emit_load_front_face(struct ntv_context *ctx, nir_intrinsic_instr *intr)
store_dest_uint(ctx, &intr->dest, result);
}
static void
emit_load_instance_id(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
SpvId var_type = spirv_builder_type_uint(&ctx->builder, 32);
if (!ctx->instance_id_var)
ctx->instance_id_var = create_builtin_var(ctx, var_type,
SpvStorageClassInput,
"gl_InstanceId",
SpvBuiltInInstanceIndex);
SpvId result = spirv_builder_emit_load(&ctx->builder, var_type,
ctx->instance_id_var);
assert(1 == nir_dest_num_components(intr->dest));
store_dest_uint(ctx, &intr->dest, result);
}
static void
emit_load_vertex_id(struct ntv_context *ctx, nir_intrinsic_instr *intr)
{
@ -1353,6 +1369,10 @@ emit_intrinsic(struct ntv_context *ctx, nir_intrinsic_instr *intr)
emit_load_front_face(ctx, intr);
break;
case nir_intrinsic_load_instance_id:
emit_load_instance_id(ctx, intr);
break;
case nir_intrinsic_load_vertex_id:
emit_load_vertex_id(ctx, intr);
break;

3
src/gallium/drivers/zink/zink_screen.c
View file

@ -139,9 +139,8 @@ zink_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return 0;
#endif
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
return 1;
case PIPE_CAP_SEAMLESS_CUBE_MAP:
return 1;