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zink: add handling for tess shader intrinsics 

Reviewed-by: Erik Faye-Lund <kusmabite@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8152>
This commit is contained in:
Mike Blumenkrantz 2020-12-17 21:23:54 -05:00 committed by Marge Bot
parent d09f9da4c4
commit c744f079fe
1 changed files with 23 additions and 1 deletions
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24
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
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@ -71,7 +71,8 @@ struct ntv_context {
SpvId front_face_var, instance_id_var, vertex_id_var,
primitive_id_var, invocation_id_var, // geometry
sample_mask_type, sample_id_var, sample_pos_var;
sample_mask_type, sample_id_var, sample_pos_var,
tess_patch_vertices_in, tess_coord_var; // tess
};
static SpvId
@ -1946,6 +1947,27 @@ emit_intrinsic(struct ntv_context *ctx, nir_intrinsic_instr *intr)
spirv_builder_end_primitive(&ctx->builder);
break;
case nir_intrinsic_load_patch_vertices_in:
emit_load_vec_input(ctx, intr, &ctx->tess_patch_vertices_in, "gl_PatchVerticesIn",
SpvBuiltInPatchVertices, nir_type_int);
break;
case nir_intrinsic_load_tess_coord:
emit_load_vec_input(ctx, intr, &ctx->tess_coord_var, "gl_TessCoord",
SpvBuiltInTessCoord, nir_type_float);
break;
case nir_intrinsic_memory_barrier_tcs_patch:
spirv_builder_emit_memory_barrier(&ctx->builder, SpvScopeWorkgroup,
SpvMemorySemanticsOutputMemoryMask | SpvMemorySemanticsReleaseMask);
break;
case nir_intrinsic_control_barrier:
spirv_builder_emit_control_barrier(&ctx->builder, SpvScopeWorkgroup,
SpvScopeWorkgroup,
SpvMemorySemanticsWorkgroupMemoryMask | SpvMemorySemanticsAcquireMask);
break;
default:
fprintf(stderr, "emit_intrinsic: not implemented (%s)\n",
nir_intrinsic_infos[intr->intrinsic].name);