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Diffstat (limited to 'src/compiler/glsl/ir_print_visitor.cpp')
-rw-r--r--src/compiler/glsl/ir_print_visitor.cpp604
1 files changed, 604 insertions, 0 deletions
diff --git a/src/compiler/glsl/ir_print_visitor.cpp b/src/compiler/glsl/ir_print_visitor.cpp
new file mode 100644
index 00000000000..960b23fe0ed
--- /dev/null
+++ b/src/compiler/glsl/ir_print_visitor.cpp
@@ -0,0 +1,604 @@
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT. 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.
+ */
+
+#include "ir_print_visitor.h"
+#include "compiler/glsl_types.h"
+#include "glsl_parser_extras.h"
+#include "main/macros.h"
+#include "util/hash_table.h"
+
+static void print_type(FILE *f, const glsl_type *t);
+
+void
+ir_instruction::print(void) const
+{
+ this->fprint(stdout);
+}
+
+void
+ir_instruction::fprint(FILE *f) const
+{
+ ir_instruction *deconsted = const_cast<ir_instruction *>(this);
+
+ ir_print_visitor v(f);
+ deconsted->accept(&v);
+}
+
+extern "C" {
+void
+_mesa_print_ir(FILE *f, exec_list *instructions,
+ struct _mesa_glsl_parse_state *state)
+{
+ if (state) {
+ for (unsigned i = 0; i < state->num_user_structures; i++) {
+ const glsl_type *const s = state->user_structures[i];
+
+ fprintf(f, "(structure (%s) (%s@%p) (%u) (\n",
+ s->name, s->name, (void *) s, s->length);
+
+ for (unsigned j = 0; j < s->length; j++) {
+ fprintf(f, "\t((");
+ print_type(f, s->fields.structure[j].type);
+ fprintf(f, ")(%s))\n", s->fields.structure[j].name);
+ }
+
+ fprintf(f, ")\n");
+ }
+ }
+
+ fprintf(f, "(\n");
+ foreach_in_list(ir_instruction, ir, instructions) {
+ ir->fprint(f);
+ if (ir->ir_type != ir_type_function)
+ fprintf(f, "\n");
+ }
+ fprintf(f, ")\n");
+}
+
+void
+fprint_ir(FILE *f, const void *instruction)
+{
+ const ir_instruction *ir = (const ir_instruction *)instruction;
+ ir->fprint(f);
+}
+
+} /* extern "C" */
+
+ir_print_visitor::ir_print_visitor(FILE *f)
+ : f(f)
+{
+ indentation = 0;
+ printable_names =
+ _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
+ symbols = _mesa_symbol_table_ctor();
+ mem_ctx = ralloc_context(NULL);
+}
+
+ir_print_visitor::~ir_print_visitor()
+{
+ _mesa_hash_table_destroy(printable_names, NULL);
+ _mesa_symbol_table_dtor(symbols);
+ ralloc_free(mem_ctx);
+}
+
+void ir_print_visitor::indent(void)
+{
+ for (int i = 0; i < indentation; i++)
+ fprintf(f, " ");
+}
+
+const char *
+ir_print_visitor::unique_name(ir_variable *var)
+{
+ /* var->name can be NULL in function prototypes when a type is given for a
+ * parameter but no name is given. In that case, just return an empty
+ * string. Don't worry about tracking the generated name in the printable
+ * names hash because this is the only scope where it can ever appear.
+ */
+ if (var->name == NULL) {
+ static unsigned arg = 1;
+ return ralloc_asprintf(this->mem_ctx, "parameter@%u", arg++);
+ }
+
+ /* Do we already have a name for this variable? */
+ struct hash_entry * entry =
+ _mesa_hash_table_search(this->printable_names, var);
+
+ if (entry != NULL) {
+ return (const char *) entry->data;
+ }
+
+ /* If there's no conflict, just use the original name */
+ const char* name = NULL;
+ if (_mesa_symbol_table_find_symbol(this->symbols, -1, var->name) == NULL) {
+ name = var->name;
+ } else {
+ static unsigned i = 1;
+ name = ralloc_asprintf(this->mem_ctx, "%s@%u", var->name, ++i);
+ }
+ _mesa_hash_table_insert(this->printable_names, var, (void *) name);
+ _mesa_symbol_table_add_symbol(this->symbols, -1, name, var);
+ return name;
+}
+
+static void
+print_type(FILE *f, const glsl_type *t)
+{
+ if (t->base_type == GLSL_TYPE_ARRAY) {
+ fprintf(f, "(array ");
+ print_type(f, t->fields.array);
+ fprintf(f, " %u)", t->length);
+ } else if ((t->base_type == GLSL_TYPE_STRUCT)
+ && !is_gl_identifier(t->name)) {
+ fprintf(f, "%s@%p", t->name, (void *) t);
+ } else {
+ fprintf(f, "%s", t->name);
+ }
+}
+
+void ir_print_visitor::visit(ir_rvalue *)
+{
+ fprintf(f, "error");
+}
+
+void ir_print_visitor::visit(ir_variable *ir)
+{
+ fprintf(f, "(declare ");
+
+ char loc[256] = {0};
+ if (ir->data.location != -1)
+ snprintf(loc, sizeof(loc), "location=%i ", ir->data.location);
+
+ const char *const cent = (ir->data.centroid) ? "centroid " : "";
+ const char *const samp = (ir->data.sample) ? "sample " : "";
+ const char *const patc = (ir->data.patch) ? "patch " : "";
+ const char *const inv = (ir->data.invariant) ? "invariant " : "";
+ const char *const mode[] = { "", "uniform ", "shader_storage ",
+ "shader_shared ", "shader_in ", "shader_out ",
+ "in ", "out ", "inout ",
+ "const_in ", "sys ", "temporary " };
+ STATIC_ASSERT(ARRAY_SIZE(mode) == ir_var_mode_count);
+ const char *const stream [] = {"", "stream1 ", "stream2 ", "stream3 "};
+ const char *const interp[] = { "", "smooth", "flat", "noperspective" };
+ STATIC_ASSERT(ARRAY_SIZE(interp) == INTERP_QUALIFIER_COUNT);
+
+ fprintf(f, "(%s%s%s%s%s%s%s%s) ",
+ loc, cent, samp, patc, inv, mode[ir->data.mode],
+ stream[ir->data.stream],
+ interp[ir->data.interpolation]);
+
+ print_type(f, ir->type);
+ fprintf(f, " %s)", unique_name(ir));
+}
+
+
+void ir_print_visitor::visit(ir_function_signature *ir)
+{
+ _mesa_symbol_table_push_scope(symbols);
+ fprintf(f, "(signature ");
+ indentation++;
+
+ print_type(f, ir->return_type);
+ fprintf(f, "\n");
+ indent();
+
+ fprintf(f, "(parameters\n");
+ indentation++;
+
+ foreach_in_list(ir_variable, inst, &ir->parameters) {
+ indent();
+ inst->accept(this);
+ fprintf(f, "\n");
+ }
+ indentation--;
+
+ indent();
+ fprintf(f, ")\n");
+
+ indent();
+
+ fprintf(f, "(\n");
+ indentation++;
+
+ foreach_in_list(ir_instruction, inst, &ir->body) {
+ indent();
+ inst->accept(this);
+ fprintf(f, "\n");
+ }
+ indentation--;
+ indent();
+ fprintf(f, "))\n");
+ indentation--;
+ _mesa_symbol_table_pop_scope(symbols);
+}
+
+
+void ir_print_visitor::visit(ir_function *ir)
+{
+ fprintf(f, "(%s function %s\n", ir->is_subroutine ? "subroutine" : "", ir->name);
+ indentation++;
+ foreach_in_list(ir_function_signature, sig, &ir->signatures) {
+ indent();
+ sig->accept(this);
+ fprintf(f, "\n");
+ }
+ indentation--;
+ indent();
+ fprintf(f, ")\n\n");
+}
+
+
+void ir_print_visitor::visit(ir_expression *ir)
+{
+ fprintf(f, "(expression ");
+
+ print_type(f, ir->type);
+
+ fprintf(f, " %s ", ir->operator_string());
+
+ for (unsigned i = 0; i < ir->get_num_operands(); i++) {
+ ir->operands[i]->accept(this);
+ }
+
+ fprintf(f, ") ");
+}
+
+
+void ir_print_visitor::visit(ir_texture *ir)
+{
+ fprintf(f, "(%s ", ir->opcode_string());
+
+ if (ir->op == ir_samples_identical) {
+ ir->sampler->accept(this);
+ fprintf(f, " ");
+ ir->coordinate->accept(this);
+ fprintf(f, ")");
+ return;
+ }
+
+ print_type(f, ir->type);
+ fprintf(f, " ");
+
+ ir->sampler->accept(this);
+ fprintf(f, " ");
+
+ if (ir->op != ir_txs && ir->op != ir_query_levels &&
+ ir->op != ir_texture_samples) {
+ ir->coordinate->accept(this);
+
+ fprintf(f, " ");
+
+ if (ir->offset != NULL) {
+ ir->offset->accept(this);
+ } else {
+ fprintf(f, "0");
+ }
+
+ fprintf(f, " ");
+ }
+
+ if (ir->op != ir_txf && ir->op != ir_txf_ms &&
+ ir->op != ir_txs && ir->op != ir_tg4 &&
+ ir->op != ir_query_levels && ir->op != ir_texture_samples) {
+ if (ir->projector)
+ ir->projector->accept(this);
+ else
+ fprintf(f, "1");
+
+ if (ir->shadow_comparitor) {
+ fprintf(f, " ");
+ ir->shadow_comparitor->accept(this);
+ } else {
+ fprintf(f, " ()");
+ }
+ }
+
+ fprintf(f, " ");
+ switch (ir->op)
+ {
+ case ir_tex:
+ case ir_lod:
+ case ir_query_levels:
+ case ir_texture_samples:
+ break;
+ case ir_txb:
+ ir->lod_info.bias->accept(this);
+ break;
+ case ir_txl:
+ case ir_txf:
+ case ir_txs:
+ ir->lod_info.lod->accept(this);
+ break;
+ case ir_txf_ms:
+ ir->lod_info.sample_index->accept(this);
+ break;
+ case ir_txd:
+ fprintf(f, "(");
+ ir->lod_info.grad.dPdx->accept(this);
+ fprintf(f, " ");
+ ir->lod_info.grad.dPdy->accept(this);
+ fprintf(f, ")");
+ break;
+ case ir_tg4:
+ ir->lod_info.component->accept(this);
+ break;
+ case ir_samples_identical:
+ unreachable(!"ir_samples_identical was already handled");
+ };
+ fprintf(f, ")");
+}
+
+
+void ir_print_visitor::visit(ir_swizzle *ir)
+{
+ const unsigned swiz[4] = {
+ ir->mask.x,
+ ir->mask.y,
+ ir->mask.z,
+ ir->mask.w,
+ };
+
+ fprintf(f, "(swiz ");
+ for (unsigned i = 0; i < ir->mask.num_components; i++) {
+ fprintf(f, "%c", "xyzw"[swiz[i]]);
+ }
+ fprintf(f, " ");
+ ir->val->accept(this);
+ fprintf(f, ")");
+}
+
+
+void ir_print_visitor::visit(ir_dereference_variable *ir)
+{
+ ir_variable *var = ir->variable_referenced();
+ fprintf(f, "(var_ref %s) ", unique_name(var));
+}
+
+
+void ir_print_visitor::visit(ir_dereference_array *ir)
+{
+ fprintf(f, "(array_ref ");
+ ir->array->accept(this);
+ ir->array_index->accept(this);
+ fprintf(f, ") ");
+}
+
+
+void ir_print_visitor::visit(ir_dereference_record *ir)
+{
+ fprintf(f, "(record_ref ");
+ ir->record->accept(this);
+ fprintf(f, " %s) ", ir->field);
+}
+
+
+void ir_print_visitor::visit(ir_assignment *ir)
+{
+ fprintf(f, "(assign ");
+
+ if (ir->condition)
+ ir->condition->accept(this);
+
+ char mask[5];
+ unsigned j = 0;
+
+ for (unsigned i = 0; i < 4; i++) {
+ if ((ir->write_mask & (1 << i)) != 0) {
+ mask[j] = "xyzw"[i];
+ j++;
+ }
+ }
+ mask[j] = '\0';
+
+ fprintf(f, " (%s) ", mask);
+
+ ir->lhs->accept(this);
+
+ fprintf(f, " ");
+
+ ir->rhs->accept(this);
+ fprintf(f, ") ");
+}
+
+
+void ir_print_visitor::visit(ir_constant *ir)
+{
+ fprintf(f, "(constant ");
+ print_type(f, ir->type);
+ fprintf(f, " (");
+
+ if (ir->type->is_array()) {
+ for (unsigned i = 0; i < ir->type->length; i++)
+ ir->get_array_element(i)->accept(this);
+ } else if (ir->type->is_record()) {
+ ir_constant *value = (ir_constant *) ir->components.get_head();
+ for (unsigned i = 0; i < ir->type->length; i++) {
+ fprintf(f, "(%s ", ir->type->fields.structure[i].name);
+ value->accept(this);
+ fprintf(f, ")");
+
+ value = (ir_constant *) value->next;
+ }
+ } else {
+ for (unsigned i = 0; i < ir->type->components(); i++) {
+ if (i != 0)
+ fprintf(f, " ");
+ switch (ir->type->base_type) {
+ case GLSL_TYPE_UINT: fprintf(f, "%u", ir->value.u[i]); break;
+ case GLSL_TYPE_INT: fprintf(f, "%d", ir->value.i[i]); break;
+ case GLSL_TYPE_FLOAT:
+ if (ir->value.f[i] == 0.0f)
+ /* 0.0 == -0.0, so print with %f to get the proper sign. */
+ fprintf(f, "%f", ir->value.f[i]);
+ else if (fabs(ir->value.f[i]) < 0.000001f)
+ fprintf(f, "%a", ir->value.f[i]);
+ else if (fabs(ir->value.f[i]) > 1000000.0f)
+ fprintf(f, "%e", ir->value.f[i]);
+ else
+ fprintf(f, "%f", ir->value.f[i]);
+ break;
+ case GLSL_TYPE_BOOL: fprintf(f, "%d", ir->value.b[i]); break;
+ case GLSL_TYPE_DOUBLE:
+ if (ir->value.d[i] == 0.0)
+ /* 0.0 == -0.0, so print with %f to get the proper sign. */
+ fprintf(f, "%.1f", ir->value.d[i]);
+ else if (fabs(ir->value.d[i]) < 0.000001)
+ fprintf(f, "%a", ir->value.d[i]);
+ else if (fabs(ir->value.d[i]) > 1000000.0)
+ fprintf(f, "%e", ir->value.d[i]);
+ else
+ fprintf(f, "%f", ir->value.d[i]);
+ break;
+ default: assert(0);
+ }
+ }
+ }
+ fprintf(f, ")) ");
+}
+
+
+void
+ir_print_visitor::visit(ir_call *ir)
+{
+ fprintf(f, "(call %s ", ir->callee_name());
+ if (ir->return_deref)
+ ir->return_deref->accept(this);
+ fprintf(f, " (");
+ foreach_in_list(ir_rvalue, param, &ir->actual_parameters) {
+ param->accept(this);
+ }
+ fprintf(f, "))\n");
+}
+
+
+void
+ir_print_visitor::visit(ir_return *ir)
+{
+ fprintf(f, "(return");
+
+ ir_rvalue *const value = ir->get_value();
+ if (value) {
+ fprintf(f, " ");
+ value->accept(this);
+ }
+
+ fprintf(f, ")");
+}
+
+
+void
+ir_print_visitor::visit(ir_discard *ir)
+{
+ fprintf(f, "(discard ");
+
+ if (ir->condition != NULL) {
+ fprintf(f, " ");
+ ir->condition->accept(this);
+ }
+
+ fprintf(f, ")");
+}
+
+
+void
+ir_print_visitor::visit(ir_if *ir)
+{
+ fprintf(f, "(if ");
+ ir->condition->accept(this);
+
+ fprintf(f, "(\n");
+ indentation++;
+
+ foreach_in_list(ir_instruction, inst, &ir->then_instructions) {
+ indent();
+ inst->accept(this);
+ fprintf(f, "\n");
+ }
+
+ indentation--;
+ indent();
+ fprintf(f, ")\n");
+
+ indent();
+ if (!ir->else_instructions.is_empty()) {
+ fprintf(f, "(\n");
+ indentation++;
+
+ foreach_in_list(ir_instruction, inst, &ir->else_instructions) {
+ indent();
+ inst->accept(this);
+ fprintf(f, "\n");
+ }
+ indentation--;
+ indent();
+ fprintf(f, "))\n");
+ } else {
+ fprintf(f, "())\n");
+ }
+}
+
+
+void
+ir_print_visitor::visit(ir_loop *ir)
+{
+ fprintf(f, "(loop (\n");
+ indentation++;
+
+ foreach_in_list(ir_instruction, inst, &ir->body_instructions) {
+ indent();
+ inst->accept(this);
+ fprintf(f, "\n");
+ }
+ indentation--;
+ indent();
+ fprintf(f, "))\n");
+}
+
+
+void
+ir_print_visitor::visit(ir_loop_jump *ir)
+{
+ fprintf(f, "%s", ir->is_break() ? "break" : "continue");
+}
+
+void
+ir_print_visitor::visit(ir_emit_vertex *ir)
+{
+ fprintf(f, "(emit-vertex ");
+ ir->stream->accept(this);
+ fprintf(f, ")\n");
+}
+
+void
+ir_print_visitor::visit(ir_end_primitive *ir)
+{
+ fprintf(f, "(end-primitive ");
+ ir->stream->accept(this);
+ fprintf(f, ")\n");
+}
+
+void
+ir_print_visitor::visit(ir_barrier *)
+{
+ fprintf(f, "(barrier)\n");
+}
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