i965/gs: Fix up gl_PointSize input swizzling for DUAL_INSTANCED gs.

[mesa.git] / src / mesa / program / prog_execute.c

diff --git a/src/mesa/program/prog_execute.c b/src/mesa/program/prog_execute.c
index 548077d39248172eadf535e029f6c5994da54bee..560332a6e63e27008b1ac08921b0f5a746206a77 100644 (file)
--- a/src/mesa/program/prog_execute.c
+++ b/src/mesa/program/prog_execute.c
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.3
  *
  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
  *
@@ -146,7 +145,7 @@ get_src_register_pointer(const struct prog_src_register *source,
       _mesa_problem(NULL,
          "Invalid src register file %d in get_src_register_pointer()",
          source->File);
-      return NULL;
+      return ZeroVec;
    }
 }
 
@@ -185,7 +184,7 @@ get_dst_register_pointer(const struct prog_dst_register *dest,
       _mesa_problem(NULL,
          "Invalid dest register file %d in get_dst_register_pointer()",
          dest->File);
-      return NULL;
+      return dummyReg;
    }
 }
 
@@ -200,7 +199,6 @@ fetch_vector4(const struct prog_src_register *source,
               const struct gl_program_machine *machine, GLfloat result[4])
 {
    const GLfloat *src = get_src_register_pointer(source, machine);
-   ASSERT(src);
 
    if (source->Swizzle == SWIZZLE_NOOP) {
       /* no swizzling */
@@ -303,7 +301,6 @@ fetch_vector1(const struct prog_src_register *source,
               const struct gl_program_machine *machine, GLfloat result[4])
 {
    const GLfloat *src = get_src_register_pointer(source, machine);
-   ASSERT(src);
 
    result[0] = src[GET_SWZ(source->Swizzle, 0)];