etnaviv: move etna_lower_io(..) to etnaviv_nir.c
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> Acked-by: Jonathan Marek <jonathan@marek.ca> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5690>
This commit is contained in:
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commit
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@ -34,6 +34,8 @@ C_SOURCES := \
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etnaviv_format.c \
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etnaviv_format.c \
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etnaviv_format.h \
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etnaviv_format.h \
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etnaviv_internal.h \
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etnaviv_internal.h \
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etnaviv_nir.c \
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etnaviv_nir.h \
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etnaviv_perfmon.c \
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etnaviv_perfmon.c \
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etnaviv_perfmon.h \
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etnaviv_perfmon.h \
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etnaviv_query.c \
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etnaviv_query.c \
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@ -31,6 +31,7 @@
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#include "etnaviv_context.h"
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#include "etnaviv_context.h"
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#include "etnaviv_debug.h"
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#include "etnaviv_debug.h"
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#include "etnaviv_disasm.h"
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#include "etnaviv_disasm.h"
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#include "etnaviv_nir.h"
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#include "etnaviv_uniforms.h"
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#include "etnaviv_uniforms.h"
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#include "etnaviv_util.h"
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#include "etnaviv_util.h"
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@ -63,172 +64,7 @@ struct etna_compile {
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bool error;
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bool error;
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};
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};
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/* io related lowering
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* run after lower_int_to_float because it adds i2f/f2i ops
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*/
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static void
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etna_lower_io(nir_shader *shader, struct etna_shader_variant *v)
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{
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nir_foreach_function(function, shader) {
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nir_builder b;
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nir_builder_init(&b, function->impl);
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nir_foreach_block(block, function->impl) {
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nir_foreach_instr_safe(instr, block) {
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if (instr->type == nir_instr_type_intrinsic) {
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nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
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switch (intr->intrinsic) {
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case nir_intrinsic_load_front_face: {
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/* HW front_face is 0.0/1.0, not 0/~0u for bool
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* lower with a comparison with 0
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*/
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intr->dest.ssa.bit_size = 32;
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b.cursor = nir_after_instr(instr);
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nir_ssa_def *ssa = nir_ine(&b, &intr->dest.ssa, nir_imm_int(&b, 0));
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if (v->key.front_ccw)
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nir_instr_as_alu(ssa->parent_instr)->op = nir_op_ieq;
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nir_ssa_def_rewrite_uses_after(&intr->dest.ssa,
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nir_src_for_ssa(ssa),
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ssa->parent_instr);
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} break;
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case nir_intrinsic_store_deref: {
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nir_deref_instr *deref = nir_src_as_deref(intr->src[0]);
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if (shader->info.stage != MESA_SHADER_FRAGMENT || !v->key.frag_rb_swap)
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break;
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assert(deref->deref_type == nir_deref_type_var);
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if (deref->var->data.location != FRAG_RESULT_COLOR &&
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deref->var->data.location != FRAG_RESULT_DATA0)
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break;
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b.cursor = nir_before_instr(instr);
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nir_ssa_def *ssa = nir_mov(&b, intr->src[1].ssa);
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nir_alu_instr *alu = nir_instr_as_alu(ssa->parent_instr);
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alu->src[0].swizzle[0] = 2;
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alu->src[0].swizzle[2] = 0;
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nir_instr_rewrite_src(instr, &intr->src[1], nir_src_for_ssa(ssa));
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} break;
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case nir_intrinsic_load_uniform: {
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/* convert indirect load_uniform to load_ubo when possible
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* this is required on HALTI5+ because address register is not implemented
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* address register loads also arent done optimally
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*/
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if (v->shader->specs->halti < 2 || nir_src_is_const(intr->src[0]))
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break;
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nir_intrinsic_instr *load_ubo =
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nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_ubo);
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load_ubo->num_components = intr->num_components;
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nir_ssa_dest_init(&load_ubo->instr, &load_ubo->dest,
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load_ubo->num_components, 32, NULL);
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b.cursor = nir_before_instr(instr);
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load_ubo->src[0] = nir_src_for_ssa(nir_imm_int(&b, 0));
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load_ubo->src[1] = nir_src_for_ssa(nir_iadd(&b,
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nir_imul(&b, intr->src[0].ssa, nir_imm_int(&b, 16)),
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nir_imm_int(&b, nir_intrinsic_base(intr) * 16)));
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nir_builder_instr_insert(&b, &load_ubo->instr);
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nir_ssa_def_rewrite_uses(&intr->dest.ssa,
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nir_src_for_ssa(&load_ubo->dest.ssa));
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nir_instr_remove(&intr->instr);
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} break;
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case nir_intrinsic_load_ubo: {
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nir_const_value *idx = nir_src_as_const_value(intr->src[0]);
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assert(idx);
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/* offset index by 1, index 0 is used for converted load_uniform */
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b.cursor = nir_before_instr(instr);
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nir_instr_rewrite_src(instr, &intr->src[0],
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nir_src_for_ssa(nir_imm_int(&b, idx[0].u32 + 1)));
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} break;
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case nir_intrinsic_load_vertex_id:
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case nir_intrinsic_load_instance_id:
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/* detect use of vertex_id/instance_id */
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v->vs_id_in_reg = v->infile.num_reg;
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break;
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default:
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break;
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}
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}
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if (instr->type != nir_instr_type_tex)
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continue;
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nir_tex_instr *tex = nir_instr_as_tex(instr);
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nir_src *coord = NULL;
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nir_src *lod_bias = NULL;
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unsigned lod_bias_idx;
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assert(tex->sampler_index == tex->texture_index);
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for (unsigned i = 0; i < tex->num_srcs; i++) {
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switch (tex->src[i].src_type) {
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case nir_tex_src_coord:
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coord = &tex->src[i].src;
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break;
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case nir_tex_src_bias:
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case nir_tex_src_lod:
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assert(!lod_bias);
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lod_bias = &tex->src[i].src;
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lod_bias_idx = i;
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break;
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case nir_tex_src_comparator:
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break;
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default:
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assert(0);
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break;
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}
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}
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if (tex->sampler_dim == GLSL_SAMPLER_DIM_RECT) {
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/* use a dummy load_uniform here to represent texcoord scale */
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b.cursor = nir_before_instr(instr);
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nir_intrinsic_instr *load =
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nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_uniform);
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nir_intrinsic_set_base(load, ~tex->sampler_index);
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load->num_components = 2;
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load->src[0] = nir_src_for_ssa(nir_imm_float(&b, 0.0f));
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nir_ssa_dest_init(&load->instr, &load->dest, 2, 32, NULL);
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nir_intrinsic_set_type(load, nir_type_float);
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nir_builder_instr_insert(&b, &load->instr);
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nir_ssa_def *new_coord = nir_fmul(&b, coord->ssa, &load->dest.ssa);
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nir_instr_rewrite_src(&tex->instr, coord, nir_src_for_ssa(new_coord));
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}
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/* pre HALTI5 needs texture sources in a single source */
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if (!lod_bias || v->shader->specs->halti >= 5)
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continue;
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assert(coord && lod_bias && tex->coord_components < 4);
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nir_alu_instr *vec = nir_alu_instr_create(shader, nir_op_vec4);
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for (unsigned i = 0; i < tex->coord_components; i++) {
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vec->src[i].src = nir_src_for_ssa(coord->ssa);
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vec->src[i].swizzle[0] = i;
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}
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for (unsigned i = tex->coord_components; i < 4; i++)
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vec->src[i].src = nir_src_for_ssa(lod_bias->ssa);
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vec->dest.write_mask = 0xf;
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nir_ssa_dest_init(&vec->instr, &vec->dest.dest, 4, 32, NULL);
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nir_tex_instr_remove_src(tex, lod_bias_idx);
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nir_instr_rewrite_src(&tex->instr, coord, nir_src_for_ssa(&vec->dest.dest.ssa));
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tex->coord_components = 4;
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nir_instr_insert_before(&tex->instr, &vec->instr);
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}
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}
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}
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}
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static bool
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static bool
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etna_alu_to_scalar_filter_cb(const nir_instr *instr, const void *data)
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etna_alu_to_scalar_filter_cb(const nir_instr *instr, const void *data)
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@ -0,0 +1,194 @@
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/*
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* Copyright (c) 2019 Zodiac Inflight Innovations
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Jonathan Marek <jonathan@marek.ca>
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*/
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#include "etnaviv_nir.h"
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/* io related lowering
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* run after lower_int_to_float because it adds i2f/f2i ops
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*/
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void
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etna_lower_io(nir_shader *shader, struct etna_shader_variant *v)
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{
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nir_foreach_function(function, shader) {
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nir_builder b;
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nir_builder_init(&b, function->impl);
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nir_foreach_block(block, function->impl) {
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nir_foreach_instr_safe(instr, block) {
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if (instr->type == nir_instr_type_intrinsic) {
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nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
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switch (intr->intrinsic) {
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case nir_intrinsic_load_front_face: {
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/* HW front_face is 0.0/1.0, not 0/~0u for bool
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* lower with a comparison with 0
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*/
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intr->dest.ssa.bit_size = 32;
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b.cursor = nir_after_instr(instr);
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nir_ssa_def *ssa = nir_ine(&b, &intr->dest.ssa, nir_imm_int(&b, 0));
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if (v->key.front_ccw)
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nir_instr_as_alu(ssa->parent_instr)->op = nir_op_ieq;
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nir_ssa_def_rewrite_uses_after(&intr->dest.ssa,
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nir_src_for_ssa(ssa),
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ssa->parent_instr);
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} break;
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case nir_intrinsic_store_deref: {
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nir_deref_instr *deref = nir_src_as_deref(intr->src[0]);
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if (shader->info.stage != MESA_SHADER_FRAGMENT || !v->key.frag_rb_swap)
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break;
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assert(deref->deref_type == nir_deref_type_var);
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if (deref->var->data.location != FRAG_RESULT_COLOR &&
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deref->var->data.location != FRAG_RESULT_DATA0)
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break;
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b.cursor = nir_before_instr(instr);
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nir_ssa_def *ssa = nir_mov(&b, intr->src[1].ssa);
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nir_alu_instr *alu = nir_instr_as_alu(ssa->parent_instr);
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alu->src[0].swizzle[0] = 2;
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alu->src[0].swizzle[2] = 0;
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nir_instr_rewrite_src(instr, &intr->src[1], nir_src_for_ssa(ssa));
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} break;
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case nir_intrinsic_load_uniform: {
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/* convert indirect load_uniform to load_ubo when possible
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* this is required on HALTI5+ because address register is not implemented
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* address register loads also arent done optimally
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*/
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if (v->shader->specs->halti < 2 || nir_src_is_const(intr->src[0]))
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break;
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nir_intrinsic_instr *load_ubo =
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nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_ubo);
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load_ubo->num_components = intr->num_components;
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nir_ssa_dest_init(&load_ubo->instr, &load_ubo->dest,
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load_ubo->num_components, 32, NULL);
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b.cursor = nir_before_instr(instr);
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load_ubo->src[0] = nir_src_for_ssa(nir_imm_int(&b, 0));
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load_ubo->src[1] = nir_src_for_ssa(nir_iadd(&b,
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nir_imul(&b, intr->src[0].ssa, nir_imm_int(&b, 16)),
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nir_imm_int(&b, nir_intrinsic_base(intr) * 16)));
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nir_builder_instr_insert(&b, &load_ubo->instr);
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nir_ssa_def_rewrite_uses(&intr->dest.ssa,
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nir_src_for_ssa(&load_ubo->dest.ssa));
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nir_instr_remove(&intr->instr);
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} break;
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case nir_intrinsic_load_ubo: {
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nir_const_value *idx = nir_src_as_const_value(intr->src[0]);
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assert(idx);
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/* offset index by 1, index 0 is used for converted load_uniform */
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b.cursor = nir_before_instr(instr);
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nir_instr_rewrite_src(instr, &intr->src[0],
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nir_src_for_ssa(nir_imm_int(&b, idx[0].u32 + 1)));
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} break;
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case nir_intrinsic_load_vertex_id:
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case nir_intrinsic_load_instance_id:
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/* detect use of vertex_id/instance_id */
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v->vs_id_in_reg = v->infile.num_reg;
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break;
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default:
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break;
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}
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}
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if (instr->type != nir_instr_type_tex)
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continue;
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nir_tex_instr *tex = nir_instr_as_tex(instr);
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nir_src *coord = NULL;
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nir_src *lod_bias = NULL;
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unsigned lod_bias_idx;
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assert(tex->sampler_index == tex->texture_index);
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for (unsigned i = 0; i < tex->num_srcs; i++) {
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switch (tex->src[i].src_type) {
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case nir_tex_src_coord:
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||||||
|
coord = &tex->src[i].src;
|
||||||
|
break;
|
||||||
|
case nir_tex_src_bias:
|
||||||
|
case nir_tex_src_lod:
|
||||||
|
assert(!lod_bias);
|
||||||
|
lod_bias = &tex->src[i].src;
|
||||||
|
lod_bias_idx = i;
|
||||||
|
break;
|
||||||
|
case nir_tex_src_comparator:
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
assert(0);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (tex->sampler_dim == GLSL_SAMPLER_DIM_RECT) {
|
||||||
|
/* use a dummy load_uniform here to represent texcoord scale */
|
||||||
|
b.cursor = nir_before_instr(instr);
|
||||||
|
nir_intrinsic_instr *load =
|
||||||
|
nir_intrinsic_instr_create(b.shader, nir_intrinsic_load_uniform);
|
||||||
|
nir_intrinsic_set_base(load, ~tex->sampler_index);
|
||||||
|
load->num_components = 2;
|
||||||
|
load->src[0] = nir_src_for_ssa(nir_imm_float(&b, 0.0f));
|
||||||
|
nir_ssa_dest_init(&load->instr, &load->dest, 2, 32, NULL);
|
||||||
|
nir_intrinsic_set_type(load, nir_type_float);
|
||||||
|
|
||||||
|
nir_builder_instr_insert(&b, &load->instr);
|
||||||
|
|
||||||
|
nir_ssa_def *new_coord = nir_fmul(&b, coord->ssa, &load->dest.ssa);
|
||||||
|
nir_instr_rewrite_src(&tex->instr, coord, nir_src_for_ssa(new_coord));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* pre HALTI5 needs texture sources in a single source */
|
||||||
|
|
||||||
|
if (!lod_bias || v->shader->specs->halti >= 5)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
assert(coord && lod_bias && tex->coord_components < 4);
|
||||||
|
|
||||||
|
nir_alu_instr *vec = nir_alu_instr_create(shader, nir_op_vec4);
|
||||||
|
for (unsigned i = 0; i < tex->coord_components; i++) {
|
||||||
|
vec->src[i].src = nir_src_for_ssa(coord->ssa);
|
||||||
|
vec->src[i].swizzle[0] = i;
|
||||||
|
}
|
||||||
|
for (unsigned i = tex->coord_components; i < 4; i++)
|
||||||
|
vec->src[i].src = nir_src_for_ssa(lod_bias->ssa);
|
||||||
|
|
||||||
|
vec->dest.write_mask = 0xf;
|
||||||
|
nir_ssa_dest_init(&vec->instr, &vec->dest.dest, 4, 32, NULL);
|
||||||
|
|
||||||
|
nir_tex_instr_remove_src(tex, lod_bias_idx);
|
||||||
|
nir_instr_rewrite_src(&tex->instr, coord, nir_src_for_ssa(&vec->dest.dest.ssa));
|
||||||
|
tex->coord_components = 4;
|
||||||
|
|
||||||
|
nir_instr_insert_before(&tex->instr, &vec->instr);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
|
@ -0,0 +1,34 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2012-2015 Etnaviv Project
|
||||||
|
*
|
||||||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||||||
|
* copy of this software and associated documentation files (the "Software"),
|
||||||
|
* to deal in the Software without restriction, including without limitation
|
||||||
|
* the rights to use, copy, modify, merge, publish, distribute, sub license,
|
||||||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||||||
|
* Software is furnished to do so, subject to the following conditions:
|
||||||
|
*
|
||||||
|
* The above copyright notice and this permission notice (including the
|
||||||
|
* next paragraph) shall be included in all copies or substantial portions
|
||||||
|
* of the Software.
|
||||||
|
*
|
||||||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
|
||||||
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||||
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||||
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||||
|
* DEALINGS IN THE SOFTWARE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef H_ETNA_NIR
|
||||||
|
#define H_ETNA_NIR
|
||||||
|
|
||||||
|
#include "compiler/nir/nir.h"
|
||||||
|
#include "compiler/nir/nir_builder.h"
|
||||||
|
#include "etnaviv_compiler.h"
|
||||||
|
|
||||||
|
void
|
||||||
|
etna_lower_io(nir_shader *shader, struct etna_shader_variant *v);
|
||||||
|
|
||||||
|
#endif
|
|
@ -53,6 +53,8 @@ files_etnaviv = files(
|
||||||
'etnaviv_format.c',
|
'etnaviv_format.c',
|
||||||
'etnaviv_format.h',
|
'etnaviv_format.h',
|
||||||
'etnaviv_internal.h',
|
'etnaviv_internal.h',
|
||||||
|
'etnaviv_nir.c',
|
||||||
|
'etnaviv_nir.h',
|
||||||
'etnaviv_perfmon.c',
|
'etnaviv_perfmon.c',
|
||||||
'etnaviv_perfmon.h',
|
'etnaviv_perfmon.h',
|
||||||
'etnaviv_query.c',
|
'etnaviv_query.c',
|
||||||
|
|
Loading…
Reference in New Issue