Signed-off-by: Rob Clark <robdcl...@gmail.com> --- src/mesa/state_tracker/st_nir_lower_builtin.c | 51 +++++++++++++++------------ 1 file changed, 29 insertions(+), 22 deletions(-)
diff --git a/src/mesa/state_tracker/st_nir_lower_builtin.c b/src/mesa/state_tracker/st_nir_lower_builtin.c index 660fdf3f910..002e6f9ab79 100644 --- a/src/mesa/state_tracker/st_nir_lower_builtin.c +++ b/src/mesa/state_tracker/st_nir_lower_builtin.c @@ -58,6 +58,7 @@ #include "compiler/nir/nir.h" #include "compiler/nir/nir_builder.h" +#include "compiler/nir/nir_deref.h" #include "st_nir.h" #include "compiler/glsl/ir.h" #include "uniforms.h" @@ -70,44 +71,45 @@ typedef struct { } lower_builtin_state; static const struct gl_builtin_uniform_element * -get_element(const struct gl_builtin_uniform_desc *desc, nir_deref_var *deref) +get_element(const struct gl_builtin_uniform_desc *desc, nir_deref_path *path) { - nir_deref *tail = &deref->deref; + int idx = 1; + + assert(path->path[0]->deref_type == nir_deref_type_var); if ((desc->num_elements == 1) && (desc->elements[0].field == NULL)) return NULL; /* we handle arrays in get_variable(): */ - if (tail->child->deref_type == nir_deref_type_array) - tail = tail->child; + if (path->path[idx]->deref_type == nir_deref_type_array) + idx++; /* don't need to deal w/ non-struct or array of non-struct: */ - if (!tail->child) + if (!path->path[idx]) return NULL; - if (tail->child->deref_type != nir_deref_type_struct) + if (path->path[idx]->deref_type != nir_deref_type_struct) return NULL; - nir_deref_struct *deref_struct = nir_deref_as_struct(tail->child); - - assert(deref_struct->index < desc->num_elements); + assert(path->path[idx]->strct.index < desc->num_elements); - return &desc->elements[deref_struct->index]; + return &desc->elements[path->path[idx]->strct.index ]; } static nir_variable * -get_variable(lower_builtin_state *state, nir_deref_var *deref, +get_variable(lower_builtin_state *state, nir_deref_path *path, const struct gl_builtin_uniform_element *element) { nir_shader *shader = state->shader; gl_state_index16 tokens[STATE_LENGTH]; + int idx = 1; memcpy(tokens, element->tokens, sizeof(tokens)); - if (deref->deref.child->deref_type == nir_deref_type_array) { - nir_deref_array *darr = nir_deref_as_array(deref->deref.child); + if (path->path[idx]->deref_type == nir_deref_type_array) { + nir_const_value *c = nir_src_as_const_value(path->path[idx]->arr.index); - assert(darr->deref_array_type == nir_deref_array_type_direct); + assert(c); /* we need to fixup the array index slot: */ switch (tokens[0]) { @@ -121,7 +123,7 @@ get_variable(lower_builtin_state *state, nir_deref_var *deref, case STATE_TEXGEN: case STATE_TEXENV_COLOR: case STATE_CLIPPLANE: - tokens[1] = darr->base_offset; + tokens[1] = c->u32[0]; break; } } @@ -160,10 +162,11 @@ lower_builtin_block(lower_builtin_state *state, nir_block *block) nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr); - if (intrin->intrinsic != nir_intrinsic_load_var) + if (intrin->intrinsic != nir_intrinsic_load_deref) continue; - nir_variable *var = intrin->variables[0]->var; + nir_variable *var = + nir_deref_instr_get_variable(nir_src_as_deref(intrin->src[0])); if (var->data.mode != nir_var_uniform) continue; @@ -178,12 +181,16 @@ lower_builtin_block(lower_builtin_state *state, nir_block *block) if (!desc) continue; - const struct gl_builtin_uniform_element *element = - get_element(desc, intrin->variables[0]); + nir_deref_path path; + nir_deref_path_init(&path, nir_src_as_deref(intrin->src[0]), NULL); + + const struct gl_builtin_uniform_element *element = get_element(desc, &path); /* matrix elements (array_deref) do not need special handling: */ - if (!element) + if (!element) { + nir_deref_path_finish(&path); continue; + } /* remove existing var from uniform list: */ exec_node_remove(&var->node); @@ -192,8 +199,8 @@ lower_builtin_block(lower_builtin_state *state, nir_block *block) */ exec_node_self_link(&var->node); - nir_variable *new_var = - get_variable(state, intrin->variables[0], element); + nir_variable *new_var = get_variable(state, &path, element); + nir_deref_path_finish(&path); b->cursor = nir_before_instr(instr); -- 2.14.3 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev