aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/shader/slang/slang_label.c
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/mesa/shader/slang/slang_label.c')
-rw-r--r--mesalib/src/mesa/shader/slang/slang_label.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/mesalib/src/mesa/shader/slang/slang_label.c b/mesalib/src/mesa/shader/slang/slang_label.c
deleted file mode 100644
index 225612a93..000000000
--- a/mesalib/src/mesa/shader/slang/slang_label.c
+++ /dev/null
@@ -1,104 +0,0 @@
-
-
-/**
- * Functions for managing instruction labels.
- * Basically, this is used to manage the problem of forward branches where
- * we have a branch instruciton but don't know the target address yet.
- */
-
-
-#include "slang_label.h"
-#include "slang_mem.h"
-
-
-
-slang_label *
-_slang_label_new(const char *name)
-{
- slang_label *l = (slang_label *) _slang_alloc(sizeof(slang_label));
- if (l) {
- l->Name = _slang_strdup(name);
- l->Location = -1;
- }
- return l;
-}
-
-/**
- * As above, but suffix the name with a unique number.
- */
-slang_label *
-_slang_label_new_unique(const char *name)
-{
- static int id = 1;
- slang_label *l = (slang_label *) _slang_alloc(sizeof(slang_label));
- if (l) {
- l->Name = (char *) _slang_alloc(strlen(name) + 10);
- if (!l->Name) {
- free(l);
- return NULL;
- }
- sprintf(l->Name, "%s_%d", name, id);
- id++;
- l->Location = -1;
- }
- return l;
-}
-
-void
-_slang_label_delete(slang_label *l)
-{
- if (l->Name) {
- _slang_free(l->Name);
- l->Name = NULL;
- }
- if (l->References) {
- _slang_free(l->References);
- l->References = NULL;
- }
- _slang_free(l);
-}
-
-
-void
-_slang_label_add_reference(slang_label *l, GLuint inst)
-{
- const GLuint oldSize = l->NumReferences * sizeof(GLuint);
- assert(l->Location < 0);
- l->References = _slang_realloc(l->References,
- oldSize, oldSize + sizeof(GLuint));
- if (l->References) {
- l->References[l->NumReferences] = inst;
- l->NumReferences++;
- }
-}
-
-
-GLint
-_slang_label_get_location(const slang_label *l)
-{
- return l->Location;
-}
-
-
-void
-_slang_label_set_location(slang_label *l, GLint location,
- struct gl_program *prog)
-{
- GLuint i;
-
- assert(l->Location < 0);
- assert(location >= 0);
-
- l->Location = location;
-
- /* for the instructions that were waiting to learn the label's location: */
- for (i = 0; i < l->NumReferences; i++) {
- const GLuint j = l->References[i];
- prog->Instructions[j].BranchTarget = location;
- }
-
- if (l->References) {
- _slang_free(l->References);
- l->References = NULL;
- }
-}