Bring in several forgotten MSVC fixes.

src/gallium/auxiliary/pipebuffer/pb_buffer.h

@@ -166,6 +166,7 @@ static INLINE void
 pb_destroy(struct pb_buffer *buf)
 {
    assert(buf);
+   assert(buf->vtbl);
    buf->vtbl->destroy(buf);
 }
 

src/gallium/auxiliary/pipebuffer/pb_bufmgr_mm.c

@@ -192,8 +192,8 @@ mm_bufmgr_create_buffer(struct pb_manager *mgr,
    }
    
    /* Some sanity checks */
-   assert(0 <= mm_buf->block->ofs && mm_buf->block->ofs < mm->size);
-   assert(size <= mm_buf->block->size && mm_buf->block->ofs + mm_buf->block->size <= mm->size);
+   assert(0 <= (unsigned)mm_buf->block->ofs && (unsigned)mm_buf->block->ofs < mm->size);
+   assert(size <= (unsigned)mm_buf->block->size && (unsigned)mm_buf->block->ofs + (unsigned)mm_buf->block->size <= mm->size);
    
    _glthread_UNLOCK_MUTEX(mm->mutex);
    return SUPER(mm_buf);

src/gallium/auxiliary/tgsi/exec/tgsi_exec.c

@@ -2455,7 +2455,7 @@ tgsi_exec_machine_run( struct tgsi_exec_machine *mach )
 
    /* execute instructions, until pc is set to -1 */
    while (pc != -1) {
-      assert(pc < mach->NumInstructions);
+      assert(pc < (int) mach->NumInstructions);
       exec_instruction( mach, mach->Instructions + pc, &pc );
    }
 

src/gallium/auxiliary/tgsi/util/tgsi_dump.c

@@ -299,7 +299,8 @@ static const char *TGSI_SEMANTICS[] =
    "SEMANTIC_BCOLOR",
    "SEMANTIC_FOG",
    "SEMANTIC_PSIZE",
-   "SEMANTIC_GENERIC,"
+   "SEMANTIC_GENERIC",
+   "SEMANTIC_NORMAL"
 };
 
 static const char *TGSI_SEMANTICS_SHORT[] =
@@ -310,6 +311,7 @@ static const char *TGSI_SEMANTICS_SHORT[] =
    "FOG",
    "PSIZE",
    "GENERIC",
+   "NORMAL"
 };
 
 static const char *TGSI_IMMS[] =

src/gallium/drivers/softpipe/sp_fs_exec.c

@@ -81,7 +81,7 @@ sp_setup_pos_vector(const struct tgsi_interp_coef *coef,
 
 
 static void
-exec_prepare( struct sp_fragment_shader *base,
+exec_prepare( const struct sp_fragment_shader *base,
 	      struct tgsi_exec_machine *machine,
 	      struct tgsi_sampler *samplers )
 {
@@ -98,7 +98,7 @@ exec_prepare( struct sp_fragment_shader *base,
  * interface:
  */
 static unsigned 
-exec_run( struct sp_fragment_shader *base,
+exec_run( const struct sp_fragment_shader *base,
 	  struct tgsi_exec_machine *machine,
 	  struct quad_header *quad )
 {

src/gallium/drivers/softpipe/sp_fs_llvm.c

@@ -146,7 +146,7 @@ shade_quad_llvm(struct quad_stage *qs,
 
 
 unsigned 
-run_llvm_fs( struct sp_fragment_shader *base,
+run_llvm_fs( const struct sp_fragment_shader *base,
 	     struct foo *machine )
 {
 }

src/gallium/include/pipe/p_compiler.h

@@ -42,6 +42,14 @@
 #endif
 
 
+#if defined(__MSC__)
+
+/* Avoid 'expression is always true' warning */
+#pragma warning(disable: 4296)
+
+#endif /* __MSC__ */
+
+
 typedef unsigned int       uint;
 typedef unsigned char      ubyte;
 typedef unsigned char      boolean;