#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
-#include "tgsi/tgsi_lowering.h"
-#include "tgsi/tgsi_strings.h"
-
-#include "nir/tgsi_to_nir.h"
#include "freedreno_util.h"
static struct ir3_instruction * create_immed(struct ir3_block *block, uint32_t val);
static struct ir3_block * get_block(struct ir3_compile *ctx, nir_block *nblock);
-static struct nir_shader *to_nir(struct ir3_compile *ctx,
- const struct tgsi_token *tokens, struct ir3_shader_variant *so)
-{
- static const nir_shader_compiler_options options = {
- .lower_fpow = true,
- .lower_fsat = true,
- .lower_scmp = true,
- .lower_flrp = true,
- .lower_ffract = true,
- .native_integers = true,
- };
- struct nir_lower_tex_options tex_options = {
- .lower_rect = 0,
- };
- bool progress;
-
- switch (so->type) {
- case SHADER_FRAGMENT:
- case SHADER_COMPUTE:
- tex_options.saturate_s = so->key.fsaturate_s;
- tex_options.saturate_t = so->key.fsaturate_t;
- tex_options.saturate_r = so->key.fsaturate_r;
- break;
- case SHADER_VERTEX:
- tex_options.saturate_s = so->key.vsaturate_s;
- tex_options.saturate_t = so->key.vsaturate_t;
- tex_options.saturate_r = so->key.vsaturate_r;
- break;
- }
-
- if (ctx->compiler->gpu_id >= 400) {
- /* a4xx seems to have *no* sam.p */
- tex_options.lower_txp = ~0; /* lower all txp */
- } else {
- /* a3xx just needs to avoid sam.p for 3d tex */
- tex_options.lower_txp = (1 << GLSL_SAMPLER_DIM_3D);
- }
-
- struct nir_shader *s = tgsi_to_nir(tokens, &options);
-
- if (fd_mesa_debug & FD_DBG_DISASM) {
- debug_printf("----------------------\n");
- nir_print_shader(s, stdout);
- debug_printf("----------------------\n");
- }
-
- nir_opt_global_to_local(s);
- nir_convert_to_ssa(s);
- if (s->stage == MESA_SHADER_VERTEX) {
- nir_lower_clip_vs(s, so->key.ucp_enables);
- } else if (s->stage == MESA_SHADER_FRAGMENT) {
- nir_lower_clip_fs(s, so->key.ucp_enables);
- }
- nir_lower_tex(s, &tex_options);
- if (so->key.color_two_side)
- nir_lower_two_sided_color(s);
- nir_lower_idiv(s);
- nir_lower_load_const_to_scalar(s);
-
- do {
- progress = false;
-
- nir_lower_vars_to_ssa(s);
- nir_lower_alu_to_scalar(s);
- nir_lower_phis_to_scalar(s);
-
- progress |= nir_copy_prop(s);
- progress |= nir_opt_dce(s);
- progress |= nir_opt_cse(s);
- progress |= ir3_nir_lower_if_else(s);
- progress |= nir_opt_algebraic(s);
- progress |= nir_opt_constant_folding(s);
-
- } while (progress);
-
- nir_remove_dead_variables(s);
- nir_validate_shader(s);
-
- if (fd_mesa_debug & FD_DBG_DISASM) {
- debug_printf("----------------------\n");
- nir_print_shader(s, stdout);
- debug_printf("----------------------\n");
- }
-
- return s;
-}
static struct ir3_compile *
compile_init(struct ir3_compiler *compiler,
- struct ir3_shader_variant *so,
- const struct tgsi_token *tokens)
+ struct ir3_shader_variant *so)
{
struct ir3_compile *ctx = rzalloc(NULL, struct ir3_compile);
ctx->block_ht = _mesa_hash_table_create(ctx,
_mesa_hash_pointer, _mesa_key_pointer_equal);
- ctx->s = to_nir(ctx, tokens, so);
+ /* TODO: maybe generate some sort of bitmask of what key
+ * lowers vs what shader has (ie. no need to lower
+ * texture clamp lowering if no texture sample instrs)..
+ * although should be done further up the stack to avoid
+ * creating duplicate variants..
+ */
+
+ if (ir3_key_lowers_nir(&so->key)) {
+ nir_shader *s = nir_shader_clone(ctx, so->shader->nir);
+ ctx->s = ir3_optimize_nir(so->shader, s, &so->key);
+ } else {
+ /* fast-path for shader key that lowers nothing in NIR: */
+ ctx->s = so->shader->nir;
+ }
+
+ if (fd_mesa_debug & FD_DBG_DISASM) {
+ DBG("dump nir%dv%d: type=%d, k={bp=%u,cts=%u,hp=%u}",
+ so->shader->id, so->id, so->type,
+ so->key.binning_pass, so->key.color_two_side,
+ so->key.half_precision);
+ nir_print_shader(ctx->s, stdout);
+ }
so->first_driver_param = so->first_immediate = ctx->s->num_uniforms;
case nir_texop_query_levels:
emit_tex_query_levels(ctx, tex);
break;
- case nir_texop_samples_identical:
- unreachable("nir_texop_samples_identical");
default:
emit_tex(ctx, tex);
break;
nir_function_impl *fxn = NULL;
/* Find the main function: */
- nir_foreach_overload(ctx->s, overload) {
- compile_assert(ctx, strcmp(overload->function->name, "main") == 0);
- compile_assert(ctx, overload->impl);
- fxn = overload->impl;
+ nir_foreach_function(ctx->s, function) {
+ compile_assert(ctx, strcmp(function->name, "main") == 0);
+ compile_assert(ctx, function->impl);
+ fxn = function->impl;
break;
}
assert(!so->ir);
- ctx = compile_init(compiler, so, so->shader->tokens);
+ ctx = compile_init(compiler, so);
if (!ctx) {
DBG("INIT failed!");
ret = -1;
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