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authorBrian <brian@yutani.localnet.net>2006-12-13 14:48:36 -0700
committerBrian <brian@yutani.localnet.net>2006-12-13 14:48:36 -0700
commitaff8e204d205b5d424d2c39a5d9e004caaa1eab1 (patch)
tree91d06d422f8900af461233186bcc79351c3025f6 /src/mesa/shader/slang/slang_print.c
parent5b35132b41427798e02a66a8e39583fffbe9d232 (diff)
Checkpoint new GLSL compiler back-end to produce fp/vp-style assembly instructions.
Diffstat (limited to 'src/mesa/shader/slang/slang_print.c')
-rw-r--r--src/mesa/shader/slang/slang_print.c1136
1 files changed, 1136 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/slang_print.c b/src/mesa/shader/slang/slang_print.c
new file mode 100644
index 0000000000..2ac06291bc
--- /dev/null
+++ b/src/mesa/shader/slang/slang_print.c
@@ -0,0 +1,1136 @@
+
+/**
+ * Dump/print a slang_operation tree
+ */
+
+
+#include "imports.h"
+#include "slang_compile.h"
+#include "slang_print.h"
+
+
+static void
+spaces(int n)
+{
+ while (n--)
+ printf(" ");
+}
+
+
+static void
+print_type(const slang_fully_specified_type *t)
+{
+ switch (t->qualifier) {
+ case slang_qual_none:
+ /*printf("");*/
+ break;
+ case slang_qual_const:
+ printf("const ");
+ break;
+ case slang_qual_attribute:
+ printf("attrib ");
+ break;
+ case slang_qual_varying:
+ printf("varying ");
+ break;
+ case slang_qual_uniform:
+ printf("uniform ");
+ break;
+ case slang_qual_out:
+ printf("output ");
+ break;
+ case slang_qual_inout:
+ printf("inout ");
+ break;
+ case slang_qual_fixedoutput:
+ printf("fixedoutput");
+ break;
+ case slang_qual_fixedinput:
+ printf("fixedinput");
+ break;
+ default:
+ printf("unknown qualifer!");
+ }
+
+ switch (t->specifier.type) {
+ case slang_spec_void:
+ printf("void");
+ break;
+ case slang_spec_bool:
+ printf("bool");
+ break;
+ case slang_spec_bvec2:
+ printf("bvec2");
+ break;
+ case slang_spec_bvec3:
+ printf("bvec3");
+ break;
+ case slang_spec_bvec4:
+ printf("bvec4");
+ break;
+ case slang_spec_int:
+ printf("int");
+ break;
+ case slang_spec_ivec2:
+ printf("ivec2");
+ break;
+ case slang_spec_ivec3:
+ printf("ivec3");
+ break;
+ case slang_spec_ivec4:
+ printf("ivec4");
+ break;
+ case slang_spec_float:
+ printf("float");
+ break;
+ case slang_spec_vec2:
+ printf("vec2");
+ break;
+ case slang_spec_vec3:
+ printf("vec3");
+ break;
+ case slang_spec_vec4:
+ printf("vec4");
+ break;
+ case slang_spec_mat2:
+ printf("mat2");
+ break;
+ case slang_spec_mat3:
+ printf("mat3");
+ break;
+ case slang_spec_mat4:
+ printf("mat4");
+ break;
+ case slang_spec_sampler1D:
+ printf("sampler1D");
+ break;
+ case slang_spec_sampler2D:
+ printf("sampler2D");
+ break;
+ case slang_spec_sampler3D:
+ printf("sampler3D");
+ break;
+ case slang_spec_samplerCube:
+ printf("samplerCube");
+ break;
+ case slang_spec_sampler1DShadow:
+ printf("sampler1DShadow");
+ break;
+ case slang_spec_sampler2DShadow:
+ printf("sampler2DShadow");
+ break;
+ case slang_spec_struct:
+ printf("struct");
+ break;
+ case slang_spec_array:
+ printf("array");
+ break;
+ default:
+ printf("unknown type");
+ }
+ /*printf("\n");*/
+}
+
+
+static void
+print_variable(const slang_variable *v, int indent)
+{
+ spaces(indent);
+ printf("VAR ");
+ print_type(&v->type);
+ printf(" %s", (char *) v->a_name);
+ if (v->initializer) {
+ printf(" :=\n");
+ slang_print_tree(v->initializer, indent + 3);
+ }
+ else {
+ printf(";\n");
+ }
+}
+
+
+static void
+print_binary(const slang_operation *op, const char *oper, int indent)
+{
+ assert(op->num_children == 2);
+ slang_print_tree(&op->children[0], indent + 3);
+ spaces(indent);
+ printf("%s\n", oper);
+ slang_print_tree(&op->children[1], indent + 3);
+}
+
+
+static void
+print_generic2(const slang_operation *op, const char *oper,
+ const char *s, int indent)
+{
+ int i;
+ if (oper) {
+ spaces(indent);
+ printf("[%p locals %p] %s %s\n", (void*) op, (void*) op->locals, oper, s);
+ }
+ for (i = 0; i < op->num_children; i++) {
+ spaces(indent);
+ printf("//child %d:\n", i);
+ slang_print_tree(&op->children[i], indent);
+ }
+}
+
+static void
+print_generic(const slang_operation *op, const char *oper, int indent)
+{
+ print_generic2(op, oper, "", indent);
+}
+
+
+static const slang_variable_scope *
+find_scope(const slang_variable_scope *s, slang_atom name)
+{
+ GLuint i;
+ for (i = 0; i < s->num_variables; i++) {
+ if (s->variables[i].a_name == name)
+ return s;
+ }
+ if (s->outer_scope)
+ return find_scope(s->outer_scope, name);
+ else
+ return NULL;
+}
+
+static const slang_variable *
+find_var(const slang_variable_scope *s, slang_atom name)
+{
+ GLuint i;
+ for (i = 0; i < s->num_variables; i++) {
+ if (s->variables[i].a_name == name)
+ return &s->variables[i];
+ }
+ if (s->outer_scope)
+ return find_var(s->outer_scope, name);
+ else
+ return NULL;
+}
+
+
+void
+slang_print_tree(const slang_operation *op, int indent)
+{
+ int i;
+
+ switch (op->type) {
+
+ case slang_oper_none:
+ spaces(indent);
+ printf("slang_oper_none\n");
+ break;
+
+ case slang_oper_block_no_new_scope:
+ spaces(indent);
+ printf("{ locals %p\n", (void*)op->locals);
+ print_generic(op, NULL, indent+3);
+ spaces(indent);
+ printf("}\n");
+ break;
+
+ case slang_oper_block_new_scope:
+ spaces(indent);
+ printf("{{ // new scope locals %p\n", (void*)op->locals);
+ print_generic(op, NULL, indent+3);
+ spaces(indent);
+ printf("}}\n");
+ break;
+
+ case slang_oper_variable_decl:
+ assert(op->num_children == 0 || op->num_children == 1);
+ {
+ slang_variable *v;
+ v = _slang_locate_variable(op->locals, op->a_id, GL_TRUE);
+ if (v) {
+ spaces(indent);
+ printf("DECL (locals=%p outer=%p) ", (void*)op->locals, (void*) op->locals->outer_scope);
+ print_type(&v->type);
+ printf(" %s (%p)", (char *) op->a_id,
+ (void *) find_var(op->locals, op->a_id));
+
+ printf(" (in scope %p) ",
+ (void *) find_scope(op->locals, op->a_id));
+ if (op->num_children == 1) {
+ printf(" :=\n");
+ slang_print_tree(&op->children[0], indent + 3);
+ }
+ else if (v->initializer) {
+ printf(" := INITIALIZER\n");
+ slang_print_tree(v->initializer, indent + 3);
+ }
+ else {
+ printf(";\n");
+ }
+ /*
+ spaces(indent);
+ printf("TYPE: ");
+ print_type(&v->type);
+ spaces(indent);
+ printf("ADDR: %d size: %d\n", v->address, v->size);
+ */
+ }
+ else {
+ abort();
+ spaces(indent);
+ printf("DECL %s (anonymous variable!!!!)\n", (char *) op->a_id);
+ /*abort();*/
+ }
+ }
+ break;
+
+ case slang_oper_asm:
+ spaces(indent);
+ printf("ASM: %s\n", (char*) op->a_id);
+ print_generic(op, NULL, indent+3);
+ break;
+
+ case slang_oper_break:
+ spaces(indent);
+ printf("BREAK\n");
+ break;
+
+ case slang_oper_continue:
+ spaces(indent);
+ printf("CONTINUE\n");
+ break;
+
+ case slang_oper_discard:
+ spaces(indent);
+ printf("DISCARD\n");
+ break;
+
+ case slang_oper_return:
+ spaces(indent);
+ printf("RETURN\n");
+ if (op->num_children > 0)
+ slang_print_tree(&op->children[0], indent + 3);
+ break;
+
+ case slang_oper_goto:
+ spaces(indent);
+ printf("GOTO %s\n", (char *) op->a_id);
+ break;
+
+ case slang_oper_label:
+ spaces(indent);
+ printf("LABEL %s\n", (char *) op->a_id);
+ break;
+
+ case slang_oper_expression:
+ spaces(indent);
+ printf("EXPR: locals %p\n", (void*) op->locals);
+ /*print_generic(op, "slang_oper_expression", indent);*/
+ slang_print_tree(&op->children[0], indent + 3);
+ break;
+
+ case slang_oper_if:
+ spaces(indent);
+ printf("IF\n");
+ slang_print_tree(&op->children[0], indent + 3);
+ spaces(indent);
+ printf("THEN\n");
+ slang_print_tree(&op->children[1], indent + 3);
+ spaces(indent);
+ printf("ELSE\n");
+ slang_print_tree(&op->children[2], indent + 3);
+ spaces(indent);
+ printf("ENDIF\n");
+ break;
+
+ case slang_oper_while:
+ assert(op->num_children == 2);
+ spaces(indent);
+ printf("WHILE cond:\n");
+ slang_print_tree(&op->children[0], indent + 3);
+ spaces(indent);
+ printf("WHILE body:\n");
+ slang_print_tree(&op->children[1], indent + 3);
+ break;
+
+ case slang_oper_do:
+ spaces(indent);
+ printf("DO body:\n");
+ slang_print_tree(&op->children[0], indent + 3);
+ spaces(indent);
+ printf("DO cond:\n");
+ slang_print_tree(&op->children[1], indent + 3);
+ break;
+
+ case slang_oper_for:
+ spaces(indent);
+ printf("FOR init:\n");
+ slang_print_tree(&op->children[0], indent + 3);
+ spaces(indent);
+ printf("FOR while:\n");
+ slang_print_tree(&op->children[1], indent + 3);
+ spaces(indent);
+ printf("FOR step:\n");
+ slang_print_tree(&op->children[2], indent + 3);
+ spaces(indent);
+ printf("FOR body:\n");
+ slang_print_tree(&op->children[3], indent + 3);
+ spaces(indent);
+ printf("ENDFOR\n");
+ /*
+ print_generic(op, "FOR", indent + 3);
+ */
+ break;
+
+ case slang_oper_void:
+ spaces(indent);
+ printf("(oper-void)\n");
+ break;
+
+ case slang_oper_literal_bool:
+ spaces(indent);
+ /*printf("slang_oper_literal_bool\n");*/
+ printf("%s\n", op->literal[0] ? "TRUE" : "FALSE");
+ break;
+
+ case slang_oper_literal_int:
+ spaces(indent);
+ /*printf("slang_oper_literal_int\n");*/
+ printf("(%d %d %d %d)\n", (int) op->literal[0], (int) op->literal[1],
+ (int) op->literal[2], (int) op->literal[3]);
+ break;
+
+ case slang_oper_literal_float:
+ spaces(indent);
+ /*printf("slang_oper_literal_float\n");*/
+ printf("(%f %f %f %f)\n", op->literal[0], op->literal[1], op->literal[2],
+ op->literal[3]);
+ break;
+
+ case slang_oper_identifier:
+ spaces(indent);
+ if (op->var && op->var->a_name)
+ printf("VAR %s (in scope %p)\n", (char *) op->var->a_name,
+ (void *) find_scope(op->locals, op->a_id));
+ else
+ printf("VAR' %s (in scope %p)\n", (char *) op->a_id,
+ (void *) find_scope(op->locals, op->a_id));
+ break;
+
+ case slang_oper_sequence:
+ print_generic(op, "COMMA-SEQ", indent+3);
+ break;
+
+ case slang_oper_assign:
+ spaces(indent);
+ printf("ASSIGNMENT locals %p\n", (void*)op->locals);
+ print_binary(op, ":=", indent);
+ break;
+
+ case slang_oper_addassign:
+ spaces(indent);
+ printf("ASSIGN\n");
+ print_binary(op, "+=", indent);
+ break;
+
+ case slang_oper_subassign:
+ spaces(indent);
+ printf("ASSIGN\n");
+ print_binary(op, "-=", indent);
+ break;
+
+ case slang_oper_mulassign:
+ spaces(indent);
+ printf("ASSIGN\n");
+ print_binary(op, "*=", indent);
+ break;
+
+ case slang_oper_divassign:
+ spaces(indent);
+ printf("ASSIGN\n");
+ print_binary(op, "/=", indent);
+ break;
+
+ /*slang_oper_modassign,*/
+ /*slang_oper_lshassign,*/
+ /*slang_oper_rshassign,*/
+ /*slang_oper_orassign,*/
+ /*slang_oper_xorassign,*/
+ /*slang_oper_andassign,*/
+ case slang_oper_select:
+ spaces(indent);
+ printf("slang_oper_select n=%d\n", op->num_children);
+ assert(op->num_children == 3);
+ slang_print_tree(&op->children[0], indent+3);
+ spaces(indent);
+ printf("?\n");
+ slang_print_tree(&op->children[1], indent+3);
+ spaces(indent);
+ printf(":\n");
+ slang_print_tree(&op->children[2], indent+3);
+ break;
+
+ case slang_oper_logicalor:
+ print_binary(op, "||", indent);
+ break;
+
+ case slang_oper_logicalxor:
+ print_binary(op, "^^", indent);
+ break;
+
+ case slang_oper_logicaland:
+ print_binary(op, "&&", indent);
+ break;
+
+ /*slang_oper_bitor*/
+ /*slang_oper_bitxor*/
+ /*slang_oper_bitand*/
+ case slang_oper_equal:
+ print_binary(op, "==", indent);
+ break;
+
+ case slang_oper_notequal:
+ print_binary(op, "!=", indent);
+ break;
+
+ case slang_oper_less:
+ print_binary(op, "<", indent);
+ break;
+
+ case slang_oper_greater:
+ print_binary(op, ">", indent);
+ break;
+
+ case slang_oper_lessequal:
+ print_binary(op, "<=", indent);
+ break;
+
+ case slang_oper_greaterequal:
+ print_binary(op, ">=", indent);
+ break;
+
+ /*slang_oper_lshift*/
+ /*slang_oper_rshift*/
+ case slang_oper_add:
+ print_binary(op, "+", indent);
+ break;
+
+ case slang_oper_subtract:
+ print_binary(op, "-", indent);
+ break;
+
+ case slang_oper_multiply:
+ print_binary(op, "*", indent);
+ break;
+
+ case slang_oper_divide:
+ print_binary(op, "/", indent);
+ break;
+
+ /*slang_oper_modulus*/
+ case slang_oper_preincrement:
+ spaces(indent);
+ printf("PRE++\n");
+ slang_print_tree(&op->children[0], indent+3);
+ break;
+
+ case slang_oper_predecrement:
+ spaces(indent);
+ printf("PRE--\n");
+ slang_print_tree(&op->children[0], indent+3);
+ break;
+
+ case slang_oper_plus:
+ spaces(indent);
+ printf("slang_oper_plus\n");
+ break;
+
+ case slang_oper_minus:
+ spaces(indent);
+ printf("slang_oper_minus\n");
+ break;
+
+ /*slang_oper_complement*/
+ case slang_oper_not:
+ spaces(indent);
+ printf("NOT\n");
+ slang_print_tree(&op->children[0], indent+3);
+ break;
+
+ case slang_oper_subscript:
+ spaces(indent);
+ printf("slang_oper_subscript\n");
+ print_generic(op, NULL, indent+3);
+ break;
+
+ case slang_oper_call:
+#if 0
+ slang_function *fun
+ = _slang_locate_function(A->space.funcs, oper->a_id,
+ oper->children,
+ oper->num_children, &A->space, A->atoms);
+#endif
+ spaces(indent);
+ printf("CALL %s(\n", (char *) op->a_id);
+ for (i = 0; i < op->num_children; i++) {
+ slang_print_tree(&op->children[i], indent+3);
+ if (i + 1 < op->num_children) {
+ spaces(indent + 3);
+ printf(",\n");
+ }
+ }
+ spaces(indent);
+ printf(")\n");
+ break;
+
+ case slang_oper_field:
+ spaces(indent);
+ printf("FIELD %s of\n", (char*) op->a_id);
+ slang_print_tree(&op->children[0], indent+3);
+ break;
+
+ case slang_oper_postincrement:
+ spaces(indent);
+ printf("POST++\n");
+ slang_print_tree(&op->children[0], indent+3);
+ break;
+
+ case slang_oper_postdecrement:
+ spaces(indent);
+ printf("POST--\n");
+ slang_print_tree(&op->children[0], indent+3);
+ break;
+
+ default:
+ printf("unknown op->type %d\n", (int) op->type);
+ }
+
+}
+
+
+
+void
+slang_print_function(const slang_function *f, GLboolean body)
+{
+ int i;
+
+#if 0
+ if (_mesa_strcmp((char *) f->header.a_name, "main") != 0)
+ return;
+#endif
+
+ printf("FUNCTION %s (\n",
+ (char *) f->header.a_name);
+
+ for (i = 0; i < f->param_count; i++) {
+ print_variable(&f->parameters->variables[i], 3);
+ }
+
+ printf(")\n");
+ if (body && f->body)
+ slang_print_tree(f->body, 0);
+}
+
+
+
+
+/* operation */
+#define OP_END 0
+#define OP_BLOCK_BEGIN_NO_NEW_SCOPE 1
+#define OP_BLOCK_BEGIN_NEW_SCOPE 2
+#define OP_DECLARE 3
+#define OP_ASM 4
+#define OP_BREAK 5
+#define OP_CONTINUE 6
+#define OP_DISCARD 7
+#define OP_RETURN 8
+#define OP_EXPRESSION 9
+#define OP_IF 10
+#define OP_WHILE 11
+#define OP_DO 12
+#define OP_FOR 13
+#define OP_PUSH_VOID 14
+#define OP_PUSH_BOOL 15
+#define OP_PUSH_INT 16
+#define OP_PUSH_FLOAT 17
+#define OP_PUSH_IDENTIFIER 18
+#define OP_SEQUENCE 19
+#define OP_ASSIGN 20
+#define OP_ADDASSIGN 21
+#define OP_SUBASSIGN 22
+#define OP_MULASSIGN 23
+#define OP_DIVASSIGN 24
+/*#define OP_MODASSIGN 25*/
+/*#define OP_LSHASSIGN 26*/
+/*#define OP_RSHASSIGN 27*/
+/*#define OP_ORASSIGN 28*/
+/*#define OP_XORASSIGN 29*/
+/*#define OP_ANDASSIGN 30*/
+#define OP_SELECT 31
+#define OP_LOGICALOR 32
+#define OP_LOGICALXOR 33
+#define OP_LOGICALAND 34
+/*#define OP_BITOR 35*/
+/*#define OP_BITXOR 36*/
+/*#define OP_BITAND 37*/
+#define OP_EQUAL 38
+#define OP_NOTEQUAL 39
+#define OP_LESS 40
+#define OP_GREATER 41
+#define OP_LESSEQUAL 42
+#define OP_GREATEREQUAL 43
+/*#define OP_LSHIFT 44*/
+/*#define OP_RSHIFT 45*/
+#define OP_ADD 46
+#define OP_SUBTRACT 47
+#define OP_MULTIPLY 48
+#define OP_DIVIDE 49
+/*#define OP_MODULUS 50*/
+#define OP_PREINCREMENT 51
+#define OP_PREDECREMENT 52
+#define OP_PLUS 53
+#define OP_MINUS 54
+/*#define OP_COMPLEMENT 55*/
+#define OP_NOT 56
+#define OP_SUBSCRIPT 57
+#define OP_CALL 58
+#define OP_FIELD 59
+#define OP_POSTINCREMENT 60
+#define OP_POSTDECREMENT 61
+
+
+void
+slang_print_opcode(unsigned int opcode)
+{
+ switch (opcode) {
+ case OP_PUSH_VOID:
+ printf("OP_PUSH_VOID\n");
+ break;
+ case OP_PUSH_BOOL:
+ printf("OP_PUSH_BOOL\n");
+ break;
+ case OP_PUSH_INT:
+ printf("OP_PUSH_INT\n");
+ break;
+ case OP_PUSH_FLOAT:
+ printf("OP_PUSH_FLOAT\n");
+ break;
+ case OP_PUSH_IDENTIFIER:
+ printf("OP_PUSH_IDENTIFIER\n");
+ break;
+ case OP_SEQUENCE:
+ printf("OP_SEQUENCE\n");
+ break;
+ case OP_ASSIGN:
+ printf("OP_ASSIGN\n");
+ break;
+ case OP_ADDASSIGN:
+ printf("OP_ADDASSIGN\n");
+ break;
+ case OP_SUBASSIGN:
+ printf("OP_SUBASSIGN\n");
+ break;
+ case OP_MULASSIGN:
+ printf("OP_MULASSIGN\n");
+ break;
+ case OP_DIVASSIGN:
+ printf("OP_DIVASSIGN\n");
+ break;
+ /*case OP_MODASSIGN:*/
+ /*case OP_LSHASSIGN:*/
+ /*case OP_RSHASSIGN:*/
+ /*case OP_ORASSIGN:*/
+ /*case OP_XORASSIGN:*/
+ /*case OP_ANDASSIGN:*/
+ case OP_SELECT:
+ printf("OP_SELECT\n");
+ break;
+ case OP_LOGICALOR:
+ printf("OP_LOGICALOR\n");
+ break;
+ case OP_LOGICALXOR:
+ printf("OP_LOGICALXOR\n");
+ break;
+ case OP_LOGICALAND:
+ printf("OP_LOGICALAND\n");
+ break;
+ /*case OP_BITOR:*/
+ /*case OP_BITXOR:*/
+ /*case OP_BITAND:*/
+ case OP_EQUAL:
+ printf("OP_EQUAL\n");
+ break;
+ case OP_NOTEQUAL:
+ printf("OP_NOTEQUAL\n");
+ break;
+ case OP_LESS:
+ printf("OP_LESS\n");
+ break;
+ case OP_GREATER:
+ printf("OP_GREATER\n");
+ break;
+ case OP_LESSEQUAL:
+ printf("OP_LESSEQUAL\n");
+ break;
+ case OP_GREATEREQUAL:
+ printf("OP_GREATEREQUAL\n");
+ break;
+ /*case OP_LSHIFT:*/
+ /*case OP_RSHIFT:*/
+ case OP_ADD:
+ printf("OP_ADD\n");
+ break;
+ case OP_SUBTRACT:
+ printf("OP_SUBTRACT\n");
+ break;
+ case OP_MULTIPLY:
+ printf("OP_MULTIPLY\n");
+ break;
+ case OP_DIVIDE:
+ printf("OP_DIVIDE\n");
+ break;
+ /*case OP_MODULUS:*/
+ case OP_PREINCREMENT:
+ printf("OP_PREINCREMENT\n");
+ break;
+ case OP_PREDECREMENT:
+ printf("OP_PREDECREMENT\n");
+ break;
+ case OP_PLUS:
+ printf("OP_PLUS\n");
+ break;
+ case OP_MINUS:
+ printf("OP_MINUS\n");
+ break;
+ case OP_NOT:
+ printf("OP_NOT\n");
+ break;
+ /*case OP_COMPLEMENT:*/
+ case OP_SUBSCRIPT:
+ printf("OP_SUBSCRIPT\n");
+ break;
+ case OP_CALL:
+ printf("OP_CALL\n");
+ break;
+ case OP_FIELD:
+ printf("OP_FIELD\n");
+ break;
+ case OP_POSTINCREMENT:
+ printf("OP_POSTINCREMENT\n");
+ break;
+ case OP_POSTDECREMENT:
+ printf("OP_POSTDECREMENT\n");
+ break;
+ default:
+ printf("UNKNOWN OP %d\n", opcode);
+ }
+}
+
+
+
+const char *
+slang_asm_string(slang_assembly_type t)
+{
+ switch (t) {
+ /* core */
+ case slang_asm_none:
+ return "none";
+ case slang_asm_float_copy:
+ return "float_copy";
+ case slang_asm_float_move:
+ return "float_move";
+ case slang_asm_float_push:
+ return "float_push";
+ case slang_asm_float_deref:
+ return "float_deref";
+ case slang_asm_float_add:
+ return "float_add";
+ case slang_asm_float_multiply:
+ return "float_multiply";
+ case slang_asm_float_divide:
+ return "float_divide";
+ case slang_asm_float_negate:
+ return "float_negate";
+ case slang_asm_float_less:
+ return "float_less";
+ case slang_asm_float_equal_exp:
+ return "float_equal";
+ case slang_asm_float_equal_int:
+ return "float_equal";
+ case slang_asm_float_to_int:
+ return "float_to_int";
+ case slang_asm_float_sine:
+ return "float_sine";
+ case slang_asm_float_arcsine:
+ return "float_arcsine";
+ case slang_asm_float_arctan:
+ return "float_arctan";
+ case slang_asm_float_power:
+ return "float_power";
+ case slang_asm_float_log2:
+ return "float_log2";
+ case slang_asm_vec4_floor:
+ return "vec4_floor";
+ case slang_asm_float_ceil:
+ return "float_ceil";
+ case slang_asm_float_noise1:
+ return "float_noise1";
+ case slang_asm_float_noise2:
+ return "float_noise2";
+ case slang_asm_float_noise3:
+ return "float_noise3";
+ case slang_asm_float_noise4:
+ return "float_noise4";
+ case slang_asm_int_copy:
+ return "int_copy";
+ case slang_asm_int_move:
+ return "int_move";
+ case slang_asm_int_push:
+ return "int_push";
+ case slang_asm_int_deref:
+ return "int_deref";
+ case slang_asm_int_to_float:
+ return "int_to_float";
+ case slang_asm_int_to_addr:
+ return "int_to_addr";
+ case slang_asm_bool_copy:
+ return "bool_copy";
+ case slang_asm_bool_move:
+ return "bool_move";
+ case slang_asm_bool_push:
+ return "bool_push";
+ case slang_asm_bool_deref:
+ return "bool_deref";
+ case slang_asm_addr_copy:
+ return "addr_copy";
+ case slang_asm_addr_push:
+ return "addr_push";
+ case slang_asm_addr_deref:
+ return "addr_deref";
+ case slang_asm_addr_add:
+ return "addr_add";
+ case slang_asm_addr_multiply:
+ return "addr_multiply";
+ case slang_asm_vec4_tex1d:
+ return "vec4_tex1d";
+ case slang_asm_vec4_tex2d:
+ return "vec4_tex2d";
+ case slang_asm_vec4_tex3d:
+ return "vec4_tex3d";
+ case slang_asm_vec4_texcube:
+ return "vec4_texcube";
+ case slang_asm_vec4_shad1d:
+ return "vec4_shad1d";
+ case slang_asm_vec4_shad2d:
+ return "vec4_shad2d";
+ case slang_asm_jump:
+ return "jump";
+ case slang_asm_jump_if_zero:
+ return "jump_if_zero";
+ case slang_asm_enter:
+ return "enter";
+ case slang_asm_leave:
+ return "leave";
+ case slang_asm_local_alloc:
+ return "local_alloc";
+ case slang_asm_local_free:
+ return "local_free";
+ case slang_asm_local_addr:
+ return "local_addr";
+ case slang_asm_global_addr:
+ return "global_addr";
+ case slang_asm_call:
+ return "call";
+ case slang_asm_return:
+ return "return";
+ case slang_asm_discard:
+ return "discard";
+ case slang_asm_exit:
+ return "exit";
+ /* GL_MESA_shader_debug */
+ case slang_asm_float_print:
+ return "float_print";
+ case slang_asm_int_print:
+ return "int_print";
+ case slang_asm_bool_print:
+ return "bool_print";
+ /* vec4 */
+ case slang_asm_float_to_vec4:
+ return "float_to_vec4";
+ case slang_asm_vec4_add:
+ return "vec4_add";
+ case slang_asm_vec4_subtract:
+ return "vec4_subtract";
+ case slang_asm_vec4_multiply:
+ return "vec4_multiply";
+ case slang_asm_vec4_divide:
+ return "vec4_divide";
+ case slang_asm_vec4_negate:
+ return "vec4_negate";
+ case slang_asm_vec4_dot:
+ return "vec4_dot";
+ case slang_asm_vec4_copy:
+ return "vec4_copy";
+ case slang_asm_vec4_deref:
+ return "vec4_deref";
+ case slang_asm_vec4_equal_int:
+ return "vec4_equal";
+ default:
+ return "??asm??";
+ }
+}
+
+
+const char *
+slang_type_qual_string(slang_type_qualifier q)
+{
+ switch (q) {
+ case slang_qual_none:
+ return "none";
+ case slang_qual_const:
+ return "const";
+ case slang_qual_attribute:
+ return "attribute";
+ case slang_qual_varying:
+ return "varying";
+ case slang_qual_uniform:
+ return "uniform";
+ case slang_qual_out:
+ return "out";
+ case slang_qual_inout:
+ return "inout";
+ case slang_qual_fixedoutput:
+ return "fixedoutput";
+ case slang_qual_fixedinput:
+ return "fixedinputk";
+ default:
+ return "qual?";
+ }
+}
+
+
+static const char *
+slang_type_string(slang_type_specifier_type t)
+{
+ switch (t) {
+ case slang_spec_void:
+ return "void";
+ case slang_spec_bool:
+ return "bool";
+ case slang_spec_bvec2:
+ return "bvec2";
+ case slang_spec_bvec3:
+ return "bvec3";
+ case slang_spec_bvec4:
+ return "bvec4";
+ case slang_spec_int:
+ return "int";
+ case slang_spec_ivec2:
+ return "ivec2";
+ case slang_spec_ivec3:
+ return "ivec3";
+ case slang_spec_ivec4:
+ return "ivec4";
+ case slang_spec_float:
+ return "float";
+ case slang_spec_vec2:
+ return "vec2";
+ case slang_spec_vec3:
+ return "vec3";
+ case slang_spec_vec4:
+ return "vec4";
+ case slang_spec_mat2:
+ return "mat2";
+ case slang_spec_mat3:
+ return "mat3";
+ case slang_spec_mat4:
+ return "mat4";
+ case slang_spec_sampler1D:
+ return "sampler1D";
+ case slang_spec_sampler2D:
+ return "sampler2D";
+ case slang_spec_sampler3D:
+ return "sampler3D";
+ case slang_spec_samplerCube:
+ return "samplerCube";
+ case slang_spec_sampler1DShadow:
+ return "sampler1DShadow";
+ case slang_spec_sampler2DShadow:
+ return "sampler2DShadow";
+ case slang_spec_struct:
+ return "struct";
+ case slang_spec_array:
+ return "array";
+ default:
+ return "type?";
+ }
+}
+
+
+static const char *
+slang_fq_type_string(const slang_fully_specified_type *t)
+{
+ static char str[1000];
+ sprintf(str, "%s %s", slang_type_qual_string(t->qualifier),
+ slang_type_string(t->specifier.type));
+ return str;
+}
+
+
+void
+slang_print_type(const slang_fully_specified_type *t)
+{
+ printf("%s %s", slang_type_qual_string(t->qualifier),
+ slang_type_string(t->specifier.type));
+}
+
+
+static char *
+slang_var_string(const slang_variable *v)
+{
+ static char str[1000];
+ sprintf(str, "%s : %s",
+ (char *) v->a_name,
+ slang_fq_type_string(&v->type));
+ return str;
+}
+
+
+void
+slang_print_variable(const slang_variable *v)
+{
+ printf("Name: %s\n", (char *) v->a_name);
+ printf("Type: %s\n", slang_fq_type_string(&v->type));
+}
+
+
+void
+_slang_print_var_scope(const slang_variable_scope *vars, int indent)
+{
+ GLuint i;
+
+ spaces(indent);
+ printf("Var scope %p %d vars\n", (void *) vars, vars->num_variables);
+ for (i = 0; i < vars->num_variables; i++) {
+ spaces(indent + 3);
+ printf("%s\n", (char *) vars->variables[i].a_name);
+ }
+
+ if (vars->outer_scope) {
+ spaces(indent + 3);
+ printf("outer_scope = %p\n", (void*) vars->outer_scope);
+ _slang_print_var_scope(vars->outer_scope, indent + 3);
+ }
+}
+
+
+
+int
+slang_checksum_tree(const slang_operation *op)
+{
+ int s = op->num_children;
+ int i;
+
+ for (i = 0; i < op->num_children; i++) {
+ s += slang_checksum_tree(&op->children[i]);
+ }
+ return s;
+}