annotate src/video/uikit/jumphack.c @ 2888:32e8bbba1e94

Added stubs for software implementations of blending fills and line drawing
author Sam Lantinga <slouken@libsdl.org>
date Sat, 20 Dec 2008 13:14:28 +0000
parents f55c87ae336b
children e8045ba3f79f
rev   line source
2765
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
2 * jumphack.c
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
3 * SDLiPhoneOS
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
4 *
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
5 */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
6
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 #include "jumphack.h"
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
8
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
9 /* see SDL_uikitevents.m for more info */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
10
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
11 /* stores the information we need to jump back */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 jmp_buf env;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
13
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14 /* returns the jump environment for setting / getting purposes */
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
15 jmp_buf *
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
16 jump_env()
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
17 {
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
18 return &env;
f55c87ae336b Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
19 }