[Bf-blender-cvs] [34c808287e1] blender2.8: Gawain: fix pointer arithmetic warning

[Mike Erwin]

Commit: 34c808287e17c835c2fca1853046bbcbf66a2e5b
Author: Mike Erwin
Date:   Thu Apr 27 09:59:19 2017 -0400
Branches: blender2.8
https://developer.blender.org/rB34c808287e17c835c2fca1853046bbcbf66a2e5b

Gawain: fix pointer arithmetic warning

void* + offset = ???

This Mac-only code works, but wasn't strictly correct. clang doesn't warn about this, gcc does.

===================================================================

M	intern/gawain/src/immediate.c

===================================================================

diff --git a/intern/gawain/src/immediate.c b/intern/gawain/src/immediate.c
index 9265d30e083..0cf24668b10 100644
--- a/intern/gawain/src/immediate.c
+++ b/intern/gawain/src/immediate.c
@@ -222,7 +222,7 @@ void immBegin(PrimitiveType prim_type, unsigned vertex_ct)
 //	printf("mapping %u to %u\n", imm.buffer_offset, imm.buffer_offset + bytes_needed - 1);
 
 #if APPLE_LEGACY
-	imm.buffer_data = glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY) + imm.buffer_offset;
+	imm.buffer_data = (GLubyte*)glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY) + imm.buffer_offset;
 #else
 	imm.buffer_data = glMapBufferRange(GL_ARRAY_BUFFER, imm.buffer_offset, bytes_needed,
 	                                   GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | (imm.strict_vertex_ct ? 0 : GL_MAP_FLUSH_EXPLICIT_BIT));