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authorBrian <brian@yutani.localnet.net>2007-03-28 15:16:33 -0600
committerBrian <brian@yutani.localnet.net>2007-03-28 15:16:33 -0600
commitf2f5d06853f17bcbecf68ebb07c8cc19a2cfdeb5 (patch)
tree842f0be0c4a1a7bf40535c0816eab53210df9312 /src/mesa/shader/slang
parentb2ac30ac36c66122d6d8a73e7057a84b74c3d930 (diff)
Handle logical NOT and XOR without library functions. Results in much tighter code.
Diffstat (limited to 'src/mesa/shader/slang')
-rw-r--r--src/mesa/shader/slang/library/slang_core.gc17
-rw-r--r--src/mesa/shader/slang/library/slang_core_gc.h87
-rw-r--r--src/mesa/shader/slang/slang_codegen.c61
3 files changed, 90 insertions, 75 deletions
diff --git a/src/mesa/shader/slang/library/slang_core.gc b/src/mesa/shader/slang/library/slang_core.gc
index 927ca048d7..e398eabb15 100644
--- a/src/mesa/shader/slang/library/slang_core.gc
+++ b/src/mesa/shader/slang/library/slang_core.gc
@@ -2515,23 +2515,6 @@ bool __operator <= (const int a, const int b) {
-bool __logicalNot(const bool a)
-{
- if (a)
- return false;
- return true;
-}
-
-bool __logicalXor(const bool a, const bool b)
-{
- // XXX return a != b;
- if (a)
- return __logicalNot(b);
- return b;
-}
-
-
-
//
// MESA-specific extension functions.
//
diff --git a/src/mesa/shader/slang/library/slang_core_gc.h b/src/mesa/shader/slang/library/slang_core_gc.h
index 042566696b..dcd39a0e28 100644
--- a/src/mesa/shader/slang/library/slang_core_gc.h
+++ b/src/mesa/shader/slang/library/slang_core_gc.h
@@ -819,49 +819,46 @@
101,0,0,0,4,102,108,111,97,116,95,108,101,115,115,0,18,103,0,0,18,97,0,0,18,98,0,0,0,4,102,108,111,
97,116,95,101,113,117,97,108,0,18,101,0,0,18,97,0,0,18,98,0,0,0,8,18,103,0,18,101,0,32,0,0,1,0,1,2,
17,1,1,0,5,97,0,0,1,1,0,5,98,0,0,0,1,8,58,102,108,111,97,116,0,18,97,0,0,0,58,102,108,111,97,116,0,
-18,98,0,0,0,42,0,0,1,0,1,0,95,95,108,111,103,105,99,97,108,78,111,116,0,1,1,0,1,97,0,0,0,1,10,18,
-97,0,0,8,15,2,48,0,0,9,14,0,8,15,2,49,0,0,0,1,0,1,0,95,95,108,111,103,105,99,97,108,88,111,114,0,1,
-1,0,1,97,0,0,1,1,0,1,98,0,0,0,1,10,18,97,0,0,8,58,95,95,108,111,103,105,99,97,108,78,111,116,0,18,
-98,0,0,0,0,9,14,0,8,18,98,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,9,102,0,0,0,1,4,
-102,108,111,97,116,95,112,114,105,110,116,0,18,102,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,
-0,1,1,0,5,105,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,105,0,0,0,0,1,0,0,0,112,114,105,
-110,116,77,69,83,65,0,1,1,0,1,98,0,0,0,1,4,98,111,111,108,95,112,114,105,110,116,0,18,98,0,0,0,0,1,
-0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,10,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,
-0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,0,1,0,0,0,
-112,114,105,110,116,77,69,83,65,0,1,1,0,11,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,
-118,0,59,120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,9,58,112,114,
-105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,
-0,12,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,
-110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,
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-0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,0,1,0,0,0,112,114,105,110,116,
-77,69,83,65,0,1,1,0,7,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,
-58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,
-0,18,118,0,59,122,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,8,118,0,0,0,1,9,58,112,
-114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,
-118,0,59,121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,9,58,112,114,
-105,110,116,77,69,83,65,0,18,118,0,59,119,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,
-0,2,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,
-110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,3,
-118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,110,
-116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,
-0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,4,118,0,0,0,1,9,58,112,114,105,110,116,77,
-69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,
-9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,9,58,112,114,105,110,116,77,69,83,
-65,0,18,118,0,59,119,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,13,109,0,0,0,1,9,58,
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+120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,0,1,0,0,0,112,114,105,
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+69,83,65,0,18,118,0,59,122,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,12,118,0,0,0,
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+65,0,18,118,0,59,121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,9,58,
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+65,0,1,1,0,6,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,
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+1,1,0,7,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,
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+121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,9,58,112,114,105,110,
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+69,83,65,0,18,118,0,59,121,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,3,118,0,0,0,1,
+9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,
+65,0,18,118,0,59,121,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,0,1,0,
+0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,4,118,0,0,0,1,9,58,112,114,105,110,116,77,69,83,65,0,
+18,118,0,59,120,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,118,0,59,121,0,0,0,0,9,58,112,
+114,105,110,116,77,69,83,65,0,18,118,0,59,122,0,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,
+118,0,59,119,0,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,13,109,0,0,0,1,9,58,112,114,
+105,110,116,77,69,83,65,0,18,109,0,16,8,48,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,
+109,0,16,10,49,0,57,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,14,109,0,0,0,1,9,58,
112,114,105,110,116,77,69,83,65,0,18,109,0,16,8,48,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,
-0,18,109,0,16,10,49,0,57,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,14,109,0,0,0,1,9,
-58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,8,48,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,
-65,0,18,109,0,16,10,49,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,10,50,0,57,0,
-0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,15,109,0,0,0,1,9,58,112,114,105,110,116,77,
-69,83,65,0,18,109,0,16,8,48,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,10,49,0,
-57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,10,50,0,57,0,0,0,9,58,112,114,105,110,
-116,77,69,83,65,0,18,109,0,16,10,51,0,57,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,
-16,101,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,112,114,105,110,116,
-77,69,83,65,0,1,1,0,17,101,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,
-112,114,105,110,116,77,69,83,65,0,1,1,0,18,101,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,
-101,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,19,101,0,0,0,1,4,105,110,116,95,112,
-114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,20,101,0,0,0,1,4,
-105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,
-0,21,101,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,0
+0,18,109,0,16,10,49,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,10,50,0,57,0,0,0,
+0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,15,109,0,0,0,1,9,58,112,114,105,110,116,77,69,83,
+65,0,18,109,0,16,8,48,0,57,0,0,0,9,58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,10,49,0,57,0,0,
+0,9,58,112,114,105,110,116,77,69,83,65,0,18,109,0,16,10,50,0,57,0,0,0,9,58,112,114,105,110,116,77,
+69,83,65,0,18,109,0,16,10,51,0,57,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,16,101,0,
+0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,
+65,0,1,1,0,17,101,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,112,114,
+105,110,116,77,69,83,65,0,1,1,0,18,101,0,0,0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,
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+116,0,18,101,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,20,101,0,0,0,1,4,105,110,116,
+95,112,114,105,110,116,0,18,101,0,0,0,0,1,0,0,0,112,114,105,110,116,77,69,83,65,0,1,1,0,21,101,0,0,
+0,1,4,105,110,116,95,112,114,105,110,116,0,18,101,0,0,0,0,0
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c
index 6350dff06d..8a6da16771 100644
--- a/src/mesa/shader/slang/slang_codegen.c
+++ b/src/mesa/shader/slang/slang_codegen.c
@@ -1646,6 +1646,52 @@ _slang_gen_if(slang_assemble_ctx * A, const slang_operation *oper)
+static slang_ir_node *
+_slang_gen_not(slang_assemble_ctx * A, const slang_operation *oper)
+{
+ slang_ir_node *n;
+
+ assert(oper->type == SLANG_OPER_NOT);
+
+ /* type-check expression */
+ if (!_slang_is_scalar_or_boolean(A, &oper->children[0])) {
+ slang_info_log_error(A->log,
+ "scalar/boolean expression expected for '!'");
+ return NULL;
+ }
+
+ n = _slang_gen_operation(A, &oper->children[0]);
+ if (n)
+ return new_not(n);
+ else
+ return NULL;
+}
+
+
+static slang_ir_node *
+_slang_gen_xor(slang_assemble_ctx * A, const slang_operation *oper)
+{
+ slang_ir_node *n1, *n2;
+
+ assert(oper->type == SLANG_OPER_LOGICALXOR);
+
+ if (!_slang_is_scalar_or_boolean(A, &oper->children[0]) ||
+ !_slang_is_scalar_or_boolean(A, &oper->children[0])) {
+ slang_info_log_error(A->log,
+ "scalar/boolean expressions expected for '^^'");
+ return NULL;
+ }
+
+ n1 = _slang_gen_operation(A, &oper->children[0]);
+ if (!n1)
+ return NULL;
+ n2 = _slang_gen_operation(A, &oper->children[1]);
+ if (!n2)
+ return NULL;
+ return new_node2(IR_NOTEQUAL, n1, n2);
+}
+
+
/**
* Generate IR node for storage of a temporary of given size.
*/
@@ -2582,20 +2628,9 @@ _slang_gen_operation(slang_assemble_ctx * A, slang_operation *oper)
return n;
}
case SLANG_OPER_LOGICALXOR:
- {
- slang_ir_node *n;
- assert(oper->num_children == 2);
- n = _slang_gen_function_call_name(A, "__logicalXor", oper, NULL);
- return n;
- }
+ return _slang_gen_xor(A, oper);
case SLANG_OPER_NOT:
- {
- slang_ir_node *n;
- assert(oper->num_children == 1);
- n = _slang_gen_function_call_name(A, "__logicalNot", oper, NULL);
- return n;
- }
-
+ return _slang_gen_not(A, oper);
case SLANG_OPER_SELECT: /* b ? x : y */
{
slang_ir_node *n;