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      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
     41 va_open_display_android(void)
     42 {
     43     return vaGetDisplay(&fake_display);
     44 }
     45 
     46 static void
     47 va_close_display_android(VADisplay va_dpy)
     48 {
     49 }
     50 
     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
     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