From a4be1048870446a45a4a14178b47e2cb1a0d92d6 Mon Sep 17 00:00:00 2001 From: Brian Date: Fri, 15 Dec 2006 17:05:53 -0700 Subject: [PATCH] start implementing relational operators --- src/mesa/shader/slang/slang_codegen.c | 24 ++++++++++++++++++- src/mesa/shader/slang/slang_emit.c | 33 ++++++++++++++------------- src/mesa/shader/slang/slang_ir.h | 1 - 3 files changed, 40 insertions(+), 18 deletions(-) diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 611b6145f57..f62ff01f2dd 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -963,10 +963,32 @@ slang_assemble_operation(slang_assemble_ctx * A, slang_operation *oper) ); } break; + 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: - return new_node(IR_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; diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index 8b95b94698b..3d9d525e181 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -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; diff --git a/src/mesa/shader/slang/slang_ir.h b/src/mesa/shader/slang/slang_ir.h index 3c583365d8d..5c054a56368 100644 --- a/src/mesa/shader/slang/slang_ir.h +++ b/src/mesa/shader/slang/slang_ir.h @@ -74,7 +74,6 @@ typedef enum IR_ABS, IR_SIN, IR_COS, - IR_LESS, IR_NOT, IR_VAR, IR_VAR_DECL, -- 2.30.2