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i965/nir/vec4: Add shader function implementation 

It basically allocates registers local to a function in a nir_locals map,
then emits all its control-flow blocks.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Eduardo Lima Mitev 2015-07-22 09:34:35 +02:00 committed by Jason Ekstrand
parent 4023b55fdd
commit 59006d3ad3
2 changed files with 11 additions and 1 deletions
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1
src/mesa/drivers/dri/i965/brw_vec4.h
View File

@ -414,6 +414,7 @@ public:
virtual dst_reg *make_reg_for_system_value(int location,
const glsl_type *type) = 0;
dst_reg *nir_locals;
src_reg *nir_inputs;
unsigned *nir_uniform_driver_location;
dst_reg *nir_system_values;

11
src/mesa/drivers/dri/i965/brw_vec4_nir.cpp
View File

@ -241,7 +241,16 @@ vec4_visitor::nir_setup_builtin_uniform(nir_variable *var)
void
vec4_visitor::nir_emit_impl(nir_function_impl *impl)
{
/* @TODO: Not yet implemented */
nir_locals = ralloc_array(mem_ctx, dst_reg, impl->reg_alloc);
foreach_list_typed(nir_register, reg, node, &impl->registers) {
unsigned array_elems =
reg->num_array_elems == 0 ? 1 : reg->num_array_elems;
nir_locals[reg->index] = dst_reg(GRF, alloc.allocate(array_elems));
}
nir_emit_cf_list(&impl->body);
}
void