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nir/lower_var_copies: Use a shader rather than a void *mem_ctx

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Reviewed-by: Eduardo Lima Mitev <elima@igalia.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Jason Ekstrand
2016-12-24 10:34:33 -08:00
parent c4ccdfa513
commit 47b54a6f74
2 changed files with 10 additions and 9 deletions
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2
src/compiler/nir/nir.h
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@@ -2312,7 +2312,7 @@ bool nir_inline_functions(nir_shader *shader);
bool nir_propagate_invariant(nir_shader *shader);
void nir_lower_var_copy_instr(nir_intrinsic_instr *copy, void *mem_ctx);
void nir_lower_var_copy_instr(nir_intrinsic_instr *copy, nir_shader *shader);
void nir_lower_var_copies(nir_shader *shader);
bool nir_lower_global_vars_to_local(nir_shader *shader);

17
src/compiler/nir/nir_lower_var_copies.c
View File

@@ -77,7 +77,8 @@ deref_next_wildcard_parent(nir_deref *deref)
static void
emit_copy_load_store(nir_intrinsic_instr *copy_instr,
nir_deref_var *dest_head, nir_deref_var *src_head,
nir_deref *dest_tail, nir_deref *src_tail, void *mem_ctx)
nir_deref *dest_tail, nir_deref *src_tail,
nir_shader *shader)
{
/* Find the next pair of wildcards */
nir_deref *src_arr_parent = deref_next_wildcard_parent(src_tail);
@@ -103,7 +104,7 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
src_arr->base_offset = i;
dest_arr->base_offset = i;
emit_copy_load_store(copy_instr, dest_head, src_head,
&dest_arr->deref, &src_arr->deref, mem_ctx);
&dest_arr->deref, &src_arr->deref, shader);
}
src_arr->deref_array_type = nir_deref_array_type_wildcard;
dest_arr->deref_array_type = nir_deref_array_type_wildcard;
@@ -119,7 +120,7 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
unsigned bit_size = glsl_get_bit_size(src_tail->type);
nir_intrinsic_instr *load =
nir_intrinsic_instr_create(mem_ctx, nir_intrinsic_load_var);
nir_intrinsic_instr_create(shader, nir_intrinsic_load_var);
load->num_components = num_components;
load->variables[0] = nir_deref_var_clone(src_head, load);
nir_ssa_dest_init(&load->instr, &load->dest, num_components, bit_size,
@@ -128,7 +129,7 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
nir_instr_insert_before(&copy_instr->instr, &load->instr);
nir_intrinsic_instr *store =
nir_intrinsic_instr_create(mem_ctx, nir_intrinsic_store_var);
nir_intrinsic_instr_create(shader, nir_intrinsic_store_var);
store->num_components = num_components;
nir_intrinsic_set_write_mask(store, (1 << num_components) - 1);
store->variables[0] = nir_deref_var_clone(dest_head, store);
@@ -145,18 +146,18 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
* The new instructions are placed before the copy instruction in the IR.
*/
void
nir_lower_var_copy_instr(nir_intrinsic_instr *copy, void *mem_ctx)
nir_lower_var_copy_instr(nir_intrinsic_instr *copy, nir_shader *shader)
{
assert(copy->intrinsic == nir_intrinsic_copy_var);
emit_copy_load_store(copy, copy->variables[0], copy->variables[1],
&copy->variables[0]->deref,
&copy->variables[1]->deref, mem_ctx);
&copy->variables[1]->deref, shader);
}
static void
lower_var_copies_impl(nir_function_impl *impl)
{
void *mem_ctx = ralloc_parent(impl);
nir_shader *shader = impl->function->shader;
nir_foreach_block(block, impl) {
nir_foreach_instr_safe(instr, block) {
@@ -167,7 +168,7 @@ lower_var_copies_impl(nir_function_impl *impl)
if (copy->intrinsic != nir_intrinsic_copy_var)
continue;
nir_lower_var_copy_instr(copy, mem_ctx);
nir_lower_var_copy_instr(copy, shader);
nir_instr_remove(&copy->instr);
ralloc_free(copy);