r600/sfn: Use nir_foreach_variable_with_modes in IO vectorization

Reviewed-by: Gert Wollny <gert.wollny@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5966>
This commit is contained in:
Jason Ekstrand 2020-07-21 18:21:56 -05:00 committed by Marge Bot
parent cc51cec9c0
commit 568022be75
2 changed files with 19 additions and 14 deletions

View File

@ -84,7 +84,7 @@ protected:
InstrSet m_block_io;
int m_next_index;
private:
virtual exec_list *get_io_list(nir_shader *shader) const = 0;
virtual nir_variable_mode get_io_mode(nir_shader *shader) const = 0;
virtual bool instr_can_rewrite_type(nir_intrinsic_instr *intr) const = 0;
virtual bool var_can_rewrite_slot(nir_variable *var) const = 0;
virtual void create_new_io(nir_builder *b, nir_intrinsic_instr *intr, nir_variable *var,
@ -98,7 +98,7 @@ public:
NirLowerFSOutToVector();
private:
exec_list *get_io_list(nir_shader *shader) const override;
nir_variable_mode get_io_mode(nir_shader *shader) const override;
bool var_can_rewrite_slot(nir_variable *var) const override;
void create_new_io(nir_builder *b, nir_intrinsic_instr *intr, nir_variable *var,
nir_ssa_def **srcs, unsigned first_comp, unsigned num_comps) override;
@ -150,17 +150,20 @@ bool NirLowerIOToVector::run(nir_function_impl *impl)
void NirLowerIOToVector::create_new_io_vars(nir_shader *shader)
{
struct exec_list *io_list = get_io_list(shader);
if (exec_list_is_empty(io_list))
return;
nir_variable_mode mode = get_io_mode(shader);
nir_foreach_variable(var, io_list) {
bool can_rewrite_vars = false;
nir_foreach_variable_with_modes(var, shader, mode) {
if (var_can_rewrite(var)) {
can_rewrite_vars = true;
unsigned loc = var->data.location - m_base_slot;
m_vars[loc][var->data.location_frac] = var;
}
}
if (!can_rewrite_vars)
return;
/* We don't handle combining vars of different type e.g. different array
* lengths.
*/
@ -385,9 +388,9 @@ bool NirLowerIOToVector::vec_instr_stack_pop(nir_builder *b, InstrSubSet &ir_set
return true;
}
exec_list *NirLowerFSOutToVector::get_io_list(nir_shader *shader) const
nir_variable_mode NirLowerFSOutToVector::get_io_mode(nir_shader *shader) const
{
return &shader->outputs;
return nir_var_shader_out;
}
void

View File

@ -376,19 +376,21 @@ r600_variables_can_merge(const nir_variable *lhs, const nir_variable *rhs)
}
static void
r600_create_new_io_vars(nir_shader *shader, struct exec_list *io_list,
r600_create_new_io_vars(nir_shader *shader, nir_variable_mode mode,
nir_variable *vars[16][4])
{
if (exec_list_is_empty(io_list))
return;
nir_foreach_variable(var, io_list) {
bool can_rewrite_vars = false;
nir_foreach_variable_with_modes(var, shader, mode) {
if (r600_variable_can_rewrite(var)) {
can_rewrite_vars = true;
unsigned loc = r600_correct_location(var);
vars[loc][var->data.location_frac] = var;
}
}
if (!can_rewrite_vars)
return;
/* We don't handle combining vars of different type e.g. different array
* lengths.
*/
@ -432,7 +434,7 @@ r600_vectorize_io_impl(nir_function_impl *impl)
nir_shader *shader = impl->function->shader;
nir_variable *updated_vars[16][4] = {0};
r600_create_new_io_vars(shader, &shader->inputs, updated_vars);
r600_create_new_io_vars(shader, nir_var_shader_in, updated_vars);
struct set *instr_set = r600_vec_instr_set_create();
bool progress = r600_vectorize_block(&b, nir_start_block(impl), instr_set,