mesa: Add assert to check for null pointer dereference.

This commit is contained in:
Vinson Lee 2010-02-21 02:13:15 -08:00
parent d89de9c13f
commit 7da9da190f

View file

@ -829,8 +829,12 @@ update_framebuffer(GLcontext *ctx, struct gl_framebuffer *fb)
void
_mesa_update_framebuffer(GLcontext *ctx)
{
struct gl_framebuffer *drawFb = ctx->DrawBuffer;
struct gl_framebuffer *readFb = ctx->ReadBuffer;
struct gl_framebuffer *drawFb;
struct gl_framebuffer *readFb;
assert(ctx);
drawFb = ctx->DrawBuffer;
readFb = ctx->ReadBuffer;
update_framebuffer(ctx, drawFb);
if (readFb != drawFb)