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start implementing relational operators

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This commit is contained in:
Brian 2006-12-15 17:05:53 -07:00
parent cb7ccc4b14
commit a4be104887
3 changed files with 41 additions and 19 deletions
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26
src/mesa/shader/slang/slang_codegen.c
View file

@ -963,10 +963,32 @@ slang_assemble_operation(slang_assemble_ctx * A, slang_operation *oper)
);
}
break;
case slang_oper_less:
return new_node(IR_LESS,
case slang_oper_equal:
return new_node(IR_SEQUAL,
slang_assemble_operation(A, &oper->children[0]),
slang_assemble_operation(A, &oper->children[1]));
case slang_oper_notequal:
return new_node(IR_SNEQUAL,
slang_assemble_operation(A, &oper->children[0]),
slang_assemble_operation(A, &oper->children[1]));
case slang_oper_greater:
return new_node(IR_SGT,
slang_assemble_operation(A, &oper->children[0]),
slang_assemble_operation(A, &oper->children[1]));
case slang_oper_less:
/* child[0] < child[1] ----> child[1] > child[0] */
return new_node(IR_SGT,
slang_assemble_operation(A, &oper->children[1]),
slang_assemble_operation(A, &oper->children[0]));
case slang_oper_greaterequal:
return new_node(IR_SGE,
slang_assemble_operation(A, &oper->children[0]),
slang_assemble_operation(A, &oper->children[1]));
case slang_oper_lessequal:
/* child[0] <= child[1] ----> child[1] >= child[0] */
return new_node(IR_SGE,
slang_assemble_operation(A, &oper->children[1]),
slang_assemble_operation(A, &oper->children[0]));
case slang_oper_add:
{
slang_ir_node *n;

33
src/mesa/shader/slang/slang_emit.c
View file

@ -87,7 +87,6 @@ static slang_ir_info IrInfo[] = {
{ IR_CJUMP, "IR_CJUMP", 0, 0, 0 },
{ IR_CALL, "IR_CALL", 0, 0, 0 },
{ IR_MOVE, "IR_MOVE", 0, 0, 1 },
{ IR_LESS, "IR_LESS", 0, 1, 2 },
{ IR_NOT, "IR_NOT", 0, 1, 1 },
{ IR_VAR, "IR_VAR", 0, 0, 0 },
{ IR_VAR_DECL, "IR_VAR_DECL", 0, 0, 0 },
@ -866,21 +865,23 @@ new_instruction(struct gl_program *prog, gl_inst_opcode opcode)
static struct prog_instruction *
gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog);
emit(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog);
/**
* Generate code for a simple binary-op instruction.
*/
static struct prog_instruction *
gen_binop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
emit_binop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
{
struct prog_instruction *inst;
const slang_ir_info *info = slang_find_ir_info(n->Opcode);
assert(info);
gen(gc, n->Children[0], prog);
gen(gc, n->Children[1], prog);
assert(info->InstOpcode != OPCODE_NOP);
emit(gc, n->Children[0], prog);
emit(gc, n->Children[1], prog);
inst = new_instruction(prog, info->InstOpcode);
/* alloc temp storage for the result: */
if (!n->Store || n->Store->File == PROGRAM_UNDEFINED) {
@ -901,7 +902,7 @@ gen_binop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
static struct prog_instruction *
gen_unop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
emit_unop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
{
struct prog_instruction *inst;
const slang_ir_info *info = slang_find_ir_info(n->Opcode);
@ -909,7 +910,7 @@ gen_unop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
assert(info->NumParams == 1);
gen(gc, n->Children[0], prog);
emit(gc, n->Children[0], prog);
inst = new_instruction(prog, info->InstOpcode);
/*slang_resolve_storage(gc, n, prog);*/
@ -929,7 +930,7 @@ gen_unop(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
static struct prog_instruction *
gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
emit(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
{
struct prog_instruction *inst;
if (!n)
@ -939,8 +940,8 @@ gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
case IR_SEQ:
assert(n->Children[0]);
assert(n->Children[1]);
gen(gc, n->Children[0], prog);
inst = gen(gc, n->Children[1], prog);
emit(gc, n->Children[0], prog);
inst = emit(gc, n->Children[1], prog);
n->Store = n->Children[1]->Store;
return inst;
break;
@ -962,9 +963,9 @@ gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
case IR_MOVE:
/* rhs */
assert(n->Children[1]);
inst = gen(gc, n->Children[1], prog);
inst = emit(gc, n->Children[1], prog);
/* lhs */
gen(gc, n->Children[0], prog);
emit(gc, n->Children[0], prog);
#if 1
if (inst && is_temporary(gc, n->Children[1]->Store)) {
@ -1032,7 +1033,7 @@ gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
case IR_POW:
case IR_EXP:
case IR_EXP2:
return gen_binop(gc, n, prog);
return emit_binop(gc, n, prog);
break;
case IR_RSQ:
case IR_RCP:
@ -1041,7 +1042,7 @@ gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
case IR_ABS:
case IR_SIN:
case IR_COS:
return gen_unop(gc, n, prog);
return emit_unop(gc, n, prog);
break;
case IR_LABEL:
/*printf("LAB: %s\n", n->Target);*/
@ -1056,7 +1057,7 @@ gen(slang_gen_context *gc, slang_ir_node *n, struct gl_program *prog)
n->Store = alloc_constant(n->Value, 4, prog); /*XXX fix size */
break;
default:
printf("gen: ?\n");
printf("emit: ?\n");
abort();
}
return NULL;
@ -1084,7 +1085,7 @@ _slang_emit_code(slang_ir_node *n, slang_gen_context *gc,
printf("************ Begin generate code\n");
gen(gc, n, prog);
(void) emit(gc, n, prog);
{
struct prog_instruction *inst;

1
src/mesa/shader/slang/slang_ir.h
View file

@ -74,7 +74,6 @@ typedef enum
IR_ABS,
IR_SIN,
IR_COS,
IR_LESS,
IR_NOT,
IR_VAR,
IR_VAR_DECL,