1 files changed, 50 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/packer/pack_bounds.c b/src/VBox/GuestHost/OpenGL/packer/pack_bounds.c
new file mode 100644
index 00000000..191383bd
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/packer/pack_bounds.c
@@ -0,0 +1,50 @@
+/* Copyright (c) 2001, Stanford University
+ * All rights reserved
+ *
+ * See the file LICENSE.txt for information on redistributing this software.
+ */
+
+#include "packer.h"
+#include "cr_opcodes.h"
+#include "cr_mem.h"
+
+void PACK_APIENTRY crPackBoundsInfoCR( CR_PACKER_CONTEXT_ARGDECL const CRrecti *bounds, const GLbyte *payload, GLint len, GLint num_opcodes )
+{
+    CR_GET_PACKER_CONTEXT(pc);
+    /* Don't get the buffered_ptr here because we've already 
+     * verified that there's enough space for everything. */
+
+    unsigned char *data_ptr;
+    int len_aligned, total_len;
+
+    CR_LOCK_PACKER_CONTEXT(pc);
+
+    data_ptr = pc->buffer.data_current;
+    len_aligned     = ( len + 0x3 ) & ~0x3;
+    total_len = 24 + len_aligned;
+
+    WRITE_DATA( 0, int, total_len );
+    WRITE_DATA( 4, int, bounds->x1 );
+    WRITE_DATA( 8, int, bounds->y1 );
+    WRITE_DATA( 12, int, bounds->x2 );
+    WRITE_DATA( 16, int, bounds->y2 );
+    WRITE_DATA( 20, int, num_opcodes );
+
+    /* skip the BOUNDSINFO */
+    data_ptr += 24;
+
+    /* put in padding opcodes (deliberately bogus) */
+    switch ( len_aligned - len )
+    {
+      case 3: *data_ptr++ = 0xff; RT_FALL_THRU();
+      case 2: *data_ptr++ = 0xff; RT_FALL_THRU();
+      case 1: *data_ptr++ = 0xff; RT_FALL_THRU();
+      default: break;
+    }
+
+    crMemcpy( data_ptr, payload, len );
+
+    WRITE_OPCODE( pc, CR_BOUNDSINFOCR_OPCODE );
+    pc->buffer.data_current += 24 + len_aligned;
+    CR_UNLOCK_PACKER_CONTEXT(pc);
+}