diff options
Diffstat (limited to 'src/gallium/auxiliary')
| -rw-r--r-- | src/gallium/auxiliary/nir/tgsi_to_nir.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c index ed5fea78e00..007fdf52b5d 100644 --- a/src/gallium/auxiliary/nir/tgsi_to_nir.c +++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c @@ -74,6 +74,7 @@ struct ttn_compile { nir_variable *input_var_face; nir_variable *input_var_position; + nir_variable *input_var_point; /** * Stack of nir_cursors where instructions should be pushed as we pop @@ -102,6 +103,7 @@ struct ttn_compile { bool cap_scalar; bool cap_face_is_sysval; bool cap_position_is_sysval; + bool cap_point_is_sysval; bool cap_packed_uniforms; bool cap_samplers_as_deref; }; @@ -321,6 +323,14 @@ ttn_emit_declaration(struct ttn_compile *c) var->data.location = VARYING_SLOT_POS; } c->input_var_position = var; + } else if (decl->Semantic.Name == TGSI_SEMANTIC_PCOORD) { + if (c->cap_point_is_sysval) { + var->data.mode = nir_var_system_value; + var->data.location = SYSTEM_VALUE_POINT_COORD; + } else { + var->data.location = VARYING_SLOT_PNTC; + } + c->input_var_point = var; } else { var->data.location = tgsi_varying_semantic_to_slot(decl->Semantic.Name, @@ -579,6 +589,11 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned file, unsigned index, op = nir_intrinsic_load_frag_coord; load = nir_load_frag_coord(b); break; + case TGSI_SEMANTIC_PCOORD: + assert(c->cap_point_is_sysval); + op = nir_intrinsic_load_point_coord; + load = nir_load_point_coord(b); + break; default: unreachable("bad system value"); } @@ -599,6 +614,10 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned file, unsigned index, c->scan->input_semantic_name[index] == TGSI_SEMANTIC_POSITION) { assert(!c->cap_position_is_sysval && c->input_var_position); return nir_src_for_ssa(nir_load_var(&c->build, c->input_var_position)); + } else if (c->scan->processor == PIPE_SHADER_FRAGMENT && + c->scan->input_semantic_name[index] == TGSI_SEMANTIC_PCOORD) { + assert(!c->cap_point_is_sysval && c->input_var_point); + return nir_src_for_ssa(nir_load_var(&c->build, c->input_var_point)); } else { /* Indirection on input arrays isn't supported by TTN. */ assert(!dim); @@ -1962,6 +1981,7 @@ ttn_read_pipe_caps(struct ttn_compile *c, c->cap_samplers_as_deref = screen->get_param(screen, PIPE_CAP_NIR_SAMPLERS_AS_DEREF); c->cap_face_is_sysval = screen->get_param(screen, PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL); c->cap_position_is_sysval = screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL); + c->cap_point_is_sysval = screen->get_param(screen, PIPE_CAP_TGSI_FS_POINT_IS_SYSVAL); } /** |