1 /*
2  * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sub license, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial portions
14  * of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
19  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #include <va/va_android.h>
26 #include "va_display.h"
27 
28 #include <gui/Surface.h>
29 #include <gui/SurfaceComposerClient.h>
30 #include <gui/ISurfaceComposer.h>
31 
32 static unsigned int fake_display = 0xdeada01d;
33 
34 using namespace android;
35 
36 static sp<SurfaceComposerClient> client = NULL;
37 static sp<SurfaceControl> surface_ctr = NULL;
38 static sp<ANativeWindow> anw = NULL;
39 
40 static VADisplay
va_open_display_android(void)41 va_open_display_android(void)
42 {
43     return vaGetDisplay(&fake_display);
44 }
45 
46 static void
va_close_display_android(VADisplay va_dpy)47 va_close_display_android(VADisplay va_dpy)
48 {
49 }
50 
create_window(int x,int y,int width,int height)51 static int create_window(int x, int y, int width, int height)
52 {
53     client = new SurfaceComposerClient();
54 
55     surface_ctr = client->createSurface(
56         String8("Test Surface"),
57         width, height,
58         PIXEL_FORMAT_RGB_888, 0);
59 
60     SurfaceComposerClient::openGlobalTransaction();
61     surface_ctr->setLayer(0x7FFFFFFF);
62     surface_ctr->show();
63     SurfaceComposerClient::closeGlobalTransaction();
64 
65     SurfaceComposerClient::openGlobalTransaction();
66     surface_ctr->setPosition(x, y);
67     SurfaceComposerClient::closeGlobalTransaction();
68 
69     SurfaceComposerClient::openGlobalTransaction();
70     surface_ctr->setSize(width, height);
71     SurfaceComposerClient::closeGlobalTransaction();
72 
73     anw = surface_ctr->getSurface();
74 
75     return 0;
76 }
77 
78 
79 static VAStatus
va_put_surface_android(VADisplay va_dpy,VASurfaceID surface,const VARectangle * src_rect,const VARectangle * dst_rect)80 va_put_surface_android(
81     VADisplay          va_dpy,
82     VASurfaceID        surface,
83     const VARectangle *src_rect,
84     const VARectangle *dst_rect
85 )
86 {
87     if (anw == NULL)
88         create_window(dst_rect->x, dst_rect->y, dst_rect->width, dst_rect->height);
89 
90     return vaPutSurface(va_dpy, surface, anw,
91                         src_rect->x, src_rect->y,
92                         src_rect->width, src_rect->height,
93                         dst_rect->x, dst_rect->y,
94                         dst_rect->width, dst_rect->height,
95                         NULL, 0,
96                         VA_FRAME_PICTURE);
97 }
98 
99 extern "C"
100 const VADisplayHooks va_display_hooks_android = {
101     "android",
102     va_open_display_android,
103     va_close_display_android,
104     va_put_surface_android
105 };
106