SDL  2.0
SDL_nacl_main.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #if SDL_VIDEO_DRIVER_NACL
24 
25 /* Include the SDL main definition header */
26 #include "SDL_main.h"
27 
28 #include "ppapi_simple/ps_main.h"
29 #include "ppapi_simple/ps_event.h"
30 #include "ppapi_simple/ps_interface.h"
31 #include "nacl_io/nacl_io.h"
32 #include "sys/mount.h"
33 
34 extern void NACL_SetScreenResolution(int width, int height, Uint32 format);
35 
36 int
37 nacl_main(int argc, char *argv[])
38 {
39  int status;
40  PSEvent* ps_event;
41  PP_Resource event;
42  struct PP_Rect rect;
43  int ready = 0;
44  const PPB_View *ppb_view = PSInterfaceView();
45 
46  /* This is started in a worker thread by ppapi_simple! */
47 
48  /* Wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before starting the app */
49 
50  PSEventSetFilter(PSE_INSTANCE_DIDCHANGEVIEW);
51  while (!ready) {
52  /* Process all waiting events without blocking */
53  while (!ready && (ps_event = PSEventWaitAcquire()) != NULL) {
54  event = ps_event->as_resource;
55  switch(ps_event->type) {
56  /* From DidChangeView, contains a view resource */
57  case PSE_INSTANCE_DIDCHANGEVIEW:
58  ppb_view->GetRect(event, &rect);
59  NACL_SetScreenResolution(rect.size.width, rect.size.height, 0);
60  ready = 1;
61  break;
62  default:
63  break;
64  }
65  PSEventRelease(ps_event);
66  }
67  }
68 
69  /* Do a default httpfs mount on /,
70  * apps can override this by unmounting /
71  * and remounting with the desired configuration
72  */
73  nacl_io_init_ppapi(PSGetInstanceId(), PSGetInterface);
74 
75  umount("/");
76  mount(
77  "", /* source */
78  "/", /* target */
79  "httpfs", /* filesystemtype */
80  0, /* mountflags */
81  ""); /* data specific to the html5fs type */
82 
83  /* Everything is ready, start the user main function */
85  status = SDL_main(argc, argv);
86 
87  return 0;
88 }
89 
90 /* ppapi_simple will start nacl_main in a worker thread */
91 PPAPI_SIMPLE_REGISTER_MAIN(nacl_main);
92 
93 #endif /* SDL_VIDEO_DRIVER_NACL */
#define SDL_SetMainReady
SDL_Rect rect
Definition: testrelative.c:27
uint32_t Uint32
Definition: SDL_stdinc.h:181
GLint GLint GLsizei width
Definition: SDL_opengl.h:1572
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
Definition: SDL_opengl.h:1572
struct _cl_event * event
void NACL_SetScreenResolution(int width, int height, Uint32 format)
#define NULL
Definition: begin_code.h:164
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1572
C_LINKAGE SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[])