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-rw-r--r--src/mesa/shader/slang/slang_codegen.c184
1 files changed, 8 insertions, 176 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 14870f57ae..61b5df5a78 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -1373,60 +1373,10 @@ _slang_gen_function_call_name(slang_assemble_ctx *A, const char *name,
/**
- * Generate IR tree for a while-loop. Use BRA-nch instruction.
- */
-static slang_ir_node *
-_slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
-{
- /*
- * label "__startWhile"
- * eval expr (child[0]), updating condcodes
- * branch if false to "__endWhile"
- * body code
- * jump "__startWhile"
- * label "__endWhile"
- */
- slang_atom startAtom = slang_atom_pool_gen(A->atoms, "__startWhile");
- slang_atom endAtom = slang_atom_pool_gen(A->atoms, "__endWhile");
- slang_ir_node *startLab, *cond, *bra, *body, *jump, *endLab, *tree;
- slang_atom prevLoopBreak = A->CurLoopBreak;
- slang_atom prevLoopCont = A->CurLoopCont;
-
- /* Push this loop */
- A->CurLoopBreak = endAtom;
- A->CurLoopCont = startAtom;
-
- startLab = new_label(startAtom);
- cond = _slang_gen_operation(A, &oper->children[0]);
- cond = _slang_gen_cond(cond);
- tree = new_seq(startLab, cond);
-
- bra = new_cjump(endAtom, 0);
- tree = new_seq(tree, bra);
-
- body = _slang_gen_operation(A, &oper->children[1]);
- if (body)
- tree = new_seq(tree, body);
-
- jump = new_jump(startAtom);
- tree = new_seq(tree, jump);
-
- endLab = new_label(endAtom);
- tree = new_seq(tree, endLab);
-
- /* Pop this loop */
- A->CurLoopBreak = prevLoopBreak;
- A->CurLoopCont = prevLoopCont;
-
- return tree;
-}
-
-
-/**
* Generate loop code using high-level IR_LOOP instruction
*/
static slang_ir_node *
-_slang_gen_hl_while(slang_assemble_ctx * A, const slang_operation *oper)
+_slang_gen_while(slang_assemble_ctx * A, const slang_operation *oper)
{
slang_ir_node *prevLoop;
/*
@@ -1464,56 +1414,10 @@ _slang_gen_hl_while(slang_assemble_ctx * A, const slang_operation *oper)
/**
- * Generate IR tree for a do-while-loop.
- */
-static slang_ir_node *
-_slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
-{
- /*
- * label "__startDo"
- * code body
- * eval expr (child[0]), updating condcodes
- * branch if true to "__startDo"
- * label "__endDo"
- */
- slang_atom startAtom = slang_atom_pool_gen(A->atoms, "__startDo");
- slang_atom endAtom = slang_atom_pool_gen(A->atoms, "__endDo");
- slang_ir_node *startLab, *cond, *bra, *body, *endLab, *tree;
- slang_atom prevLoopBreak = A->CurLoopBreak;
- slang_atom prevLoopCont = A->CurLoopCont;
-
- /* Push this loop */
- A->CurLoopBreak = endAtom;
- A->CurLoopCont = startAtom;
-
- startLab = new_label(startAtom);
-
- body = _slang_gen_operation(A, &oper->children[0]);
- tree = new_seq(startLab, body);
-
- cond = _slang_gen_operation(A, &oper->children[1]);
- cond = _slang_gen_cond(cond);
- tree = new_seq(tree, cond);
-
- bra = new_cjump(startAtom, 1);
- tree = new_seq(tree, bra);
-
- endLab = new_label(endAtom);
- tree = new_seq(tree, endLab);
-
- /* Pop this loop */
- A->CurLoopBreak = prevLoopBreak;
- A->CurLoopCont = prevLoopCont;
-
- return tree;
-}
-
-
-/**
* Generate IR tree for a do-while loop using high-level LOOP, IF instructions.
*/
static slang_ir_node *
-_slang_gen_hl_do(slang_assemble_ctx * A, const slang_operation *oper)
+_slang_gen_do(slang_assemble_ctx * A, const slang_operation *oper)
{
slang_ir_node *prevLoop;
/*
@@ -1550,73 +1454,10 @@ _slang_gen_hl_do(slang_assemble_ctx * A, const slang_operation *oper)
/**
- * Generate IR tree for a for-loop.
- */
-static slang_ir_node *
-_slang_gen_for(slang_assemble_ctx * A, const slang_operation *oper)
-{
- /*
- * init code (child[0])
- * label "__startFor"
- * eval expr (child[1]), updating condcodes
- * branch if false to "__endFor"
- * code body (child[3])
- * label "__continueFor"
- * incr code (child[2])
- * jump "__startFor"
- * label "__endFor"
- */
- slang_atom startAtom = slang_atom_pool_gen(A->atoms, "__startFor");
- slang_atom contAtom = slang_atom_pool_gen(A->atoms, "__continueFor");
- slang_atom endAtom = slang_atom_pool_gen(A->atoms, "__endFor");
- slang_ir_node *init, *startLab, *cond, *bra, *body, *contLab;
- slang_ir_node *incr, *jump, *endLab, *tree;
- slang_atom prevLoopBreak = A->CurLoopBreak;
- slang_atom prevLoopCont = A->CurLoopCont;
-
- /* Push this loop */
- A->CurLoopBreak = endAtom;
- A->CurLoopCont = contAtom;
-
- init = _slang_gen_operation(A, &oper->children[0]);
- startLab = new_label(startAtom);
- tree = new_seq(init, startLab);
-
- cond = _slang_gen_operation(A, &oper->children[1]);
- cond = _slang_gen_cond(cond);
- tree = new_seq(tree, cond);
-
- bra = new_cjump(endAtom, 0);
- tree = new_seq(tree, bra);
-
- body = _slang_gen_operation(A, &oper->children[3]);
- tree = new_seq(tree, body);
-
- contLab = new_label(contAtom);
- tree = new_seq(tree, contLab);
-
- incr = _slang_gen_operation(A, &oper->children[2]);
- tree = new_seq(tree, incr);
-
- jump = new_jump(startAtom);
- tree = new_seq(tree, jump);
-
- endLab = new_label(endAtom);
- tree = new_seq(tree, endLab);
-
- /* Pop this loop */
- A->CurLoopBreak = prevLoopBreak;
- A->CurLoopCont = prevLoopCont;
-
- return tree;
-}
-
-
-/**
* Generate for-loop using high-level IR_LOOP instruction.
*/
static slang_ir_node *
-_slang_gen_hl_for(slang_assemble_ctx * A, const slang_operation *oper)
+_slang_gen_for(slang_assemble_ctx * A, const slang_operation *oper)
{
slang_ir_node *prevLoop;
/*
@@ -2447,21 +2288,12 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
case slang_oper_expression:
return _slang_gen_operation(A, &oper->children[0]);
break;
- case slang_oper_while:
- if (UseHighLevelInstructions)
- return _slang_gen_hl_while(A, oper);
- else
- return _slang_gen_while(A, oper);
- case slang_oper_do:
- if (UseHighLevelInstructions)
- return _slang_gen_hl_do(A, oper);
- else
- return _slang_gen_do(A, oper);
case slang_oper_for:
- if (UseHighLevelInstructions)
- return _slang_gen_hl_for(A, oper);
- else
- return _slang_gen_for(A, oper);
+ return _slang_gen_for(A, oper);
+ case slang_oper_do:
+ return _slang_gen_do(A, oper);
+ case slang_oper_while:
+ return _slang_gen_while(A, oper);
case slang_oper_break:
if (!A->CurLoop && !A->CurLoopBreak) {
RETURN_ERROR("'break' not in loop", 0);
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-31 06:50:17 +0000