r300: Added _mesa_copy_instructions.

2 files changed, 17 insertions, 0 deletions

diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 490f919445..3d5f648191 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -1480,6 +1480,20 @@ _mesa_realloc_instructions(struct prog_instruction *oldInst,
    return newInst;
 }
 
+/**
+ * Copy an narray of program instructions.
+ * \param dest  pointer to destination.
+ * \param src  pointer to source.
+ * \param n  number of instructions to copy.
+ * \return pointer to destination.
+ */
+struct prog_instruction *
+_mesa_copy_instructions(struct prog_instruction *dest,
+			 const struct prog_instruction *src, GLuint n)
+{
+  return _mesa_memcpy (dest, src, n * sizeof (struct prog_instruction));
+}
+
 
 /**
  * Basic info about each instruction
diff --git a/src/mesa/shader/program.h b/src/mesa/shader/program.h
index 5b5d134f6d..6f5013df35 100644
--- a/src/mesa/shader/program.h
+++ b/src/mesa/shader/program.h
@@ -128,6 +128,9 @@ extern struct prog_instruction *
 _mesa_realloc_instructions(struct prog_instruction *oldInst,
                            GLuint numOldInst, GLuint numNewInst);
 
+extern struct prog_instruction *
+_mesa_copy_instructions(struct prog_instruction *dest,
+			 const struct prog_instruction *src, GLuint n);
 
 /**
  * Used for describing GL state referenced from inside ARB vertex and