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authorJosé Fonseca <jfonseca@vmware.com>2010-05-03 12:13:54 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-05-03 12:13:54 +0100
commit14a0328d4b21a2783a43932d2e4ed7ee75d79685 (patch)
tree693abfcc805e00c48d83681e91da159874bf9e11 /src/gallium/auxiliary/tgsi/tgsi_text.c
parentd288698a76e2ad8408d303570578856a05ea96d0 (diff)
tgsi: Parse and dump predicates.
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_text.c')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_text.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index f3b17833b5..71a0d96331 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -815,6 +815,45 @@ parse_instruction(
struct tgsi_full_instruction inst;
uint advance;
+ inst = tgsi_default_full_instruction();
+
+ /* Parse predicate.
+ */
+ eat_opt_white( &ctx->cur );
+ if (*ctx->cur == '(') {
+ uint file;
+ int index;
+ uint swizzle[4];
+ boolean parsed_swizzle;
+
+ inst.Instruction.Predicate = 1;
+
+ ctx->cur++;
+ if (*ctx->cur == '!') {
+ ctx->cur++;
+ inst.Predicate.Negate = 1;
+ }
+
+ if (!parse_register_dst( ctx, &file, &index ))
+ return FALSE;
+
+ if (parse_optional_swizzle( ctx, swizzle, &parsed_swizzle )) {
+ if (parsed_swizzle) {
+ inst.Predicate.SwizzleX = swizzle[0];
+ inst.Predicate.SwizzleY = swizzle[1];
+ inst.Predicate.SwizzleZ = swizzle[2];
+ inst.Predicate.SwizzleW = swizzle[3];
+ }
+ }
+
+ if (*ctx->cur != ')') {
+ report_error( ctx, "Expected `)'" );
+ return FALSE;
+ }
+
+ ctx->cur++;
+ }
+
/* Parse instruction name.
*/
eat_opt_white( &ctx->cur );
@@ -848,7 +887,6 @@ parse_instruction(
return FALSE;
}
- inst = tgsi_default_full_instruction();
inst.Instruction.Opcode = i;
inst.Instruction.Saturate = saturate;
inst.Instruction.NumDstRegs = info->num_dst;