src/waffle/android/droid_surfaceflingerlink.cpp

   1 // Copyright 2012 Intel Corporation
   2 //
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without
   6 // modification, are permitted provided that the following conditions are met:
   7 //
   8 // - Redistributions of source code must retain the above copyright notice, this
   9 //   list of conditions and the following disclaimer.
  10 //
  11 // - Redistributions in binary form must reproduce the above copyright notice,
  12 //   this list of conditions and the following disclaimer in the documentation
  13 //   and/or other materials provided with the distribution.
  14 //
  15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  18 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  19 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  21 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  22 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  23 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25
  26 #if WAFFLE_ANDROID_MAJOR_VERSION == 4 && \
  27     WAFFLE_ANDROID_MINOR_VERSION >= 1 || \
  28     WAFFLE_ANDROID_MAJOR_VERSION >= 5
  29 #       include <gui/Surface.h>
  30 #       include <gui/SurfaceComposerClient.h>
  31 #elif WAFFLE_ANROID_MAJOR_VERSION >= 4 && \
  32           WAFFLE_ANDROID_MINOR_VERSION == 0
  33 #       include <surfaceflinger/SurfaceComposerClient.h>
  34 #else
  35 #       error "android >= 4.0 is required"
  36 #endif
  37
  38 #include "droid_surfaceflingerlink.h"
  39
  40 #include "wcore_util.h"
  41 #include "wcore_error.h"
  42
  43 using namespace android;
  44
  45 namespace waffle {
  46
  47 struct droid_surfaceflinger_container {
  48     sp<SurfaceComposerClient> composer_client;
  49 };
  50
  51 struct droid_ANativeWindow_container {
  52     // it is important ANativeWindow* is the first element in this structure
  53     ANativeWindow* native_window;
  54     sp<SurfaceControl> surface_control;
  55     sp<ANativeWindow> window;
  56 };
  57
  58 const uint32_t droid_magic_surface_width = 32;
  59 const uint32_t droid_magic_surface_height = 32;
  60 const int32_t  droid_magic_surface_z = 0x7FFFFFFF;
  61
  62 void droid_tear_down_surfaceflinger_link(
  63     droid_surfaceflinger_container* pSFContainer);
  64
  65 droid_surfaceflinger_container*
  66 droid_setup_surfaceflinger_link()
  67 {
  68     bool bRVal;
  69     EGLint iRVal;
  70     droid_surfaceflinger_container* pSFContainer;
  71
  72     pSFContainer = new droid_surfaceflinger_container;
  73
  74     if (pSFContainer == NULL)
  75         goto error;
  76
  77     pSFContainer->composer_client = new SurfaceComposerClient;
  78     iRVal = pSFContainer->composer_client->initCheck();
  79     if (iRVal != NO_ERROR) {
  80         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
  81                      "android::SurfaceComposerClient->initCheck != NO_ERROR");
  82         goto error;
  83     }
  84
  85     return pSFContainer;
  86 error:
  87     droid_tear_down_surfaceflinger_link(pSFContainer);
  88     return NULL;
  89 }
  90
  91 droid_ANativeWindow_container*
  92 droid_setup_surface(
  93     int width,
  94     int height,
  95     droid_surfaceflinger_container* pSFContainer)
  96 {
  97     bool bRVal;
  98     EGLint iRVal;
  99
 100     droid_ANativeWindow_container* pANWContainer;
 101
 102     pANWContainer = new droid_ANativeWindow_container;
 103
 104     if (pANWContainer == NULL)
 105         goto error;
 106
 107     // The signature of SurfaceComposerClient::createSurface() differs across
 108     // Android versions.
 109 #if WAFFLE_ANDROID_MAJOR_VERSION == 4 &&        \
 110     WAFFLE_ANDROID_MINOR_VERSION >= 2 || \
 111     WAFFLE_ANDROID_MAJOR_VERSION >= 5
 112     pANWContainer->surface_control =
 113             pSFContainer->composer_client->createSurface(
 114             String8("Waffle Surface"),
 115             droid_magic_surface_width, droid_magic_surface_height,
 116             PIXEL_FORMAT_RGB_888, 0);
 117 #else
 118     pANWContainer->surface_control =
 119             pSFContainer->composer_client->createSurface(
 120             String8("Waffle Surface"), 0,
 121             droid_magic_surface_width, droid_magic_surface_height,
 122             PIXEL_FORMAT_RGB_888, 0);
 123 #endif
 124
 125     if (pANWContainer->surface_control == NULL) {
 126         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
 127                      "Unable to get android::SurfaceControl");
 128         delete pANWContainer;
 129         goto error;
 130     }
 131
 132     bRVal = pANWContainer->surface_control->isValid();
 133     if (bRVal != true) {
 134         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
 135                      "Acquired android::SurfaceControl is invalid");
 136         delete pANWContainer;
 137         goto error;
 138     }
 139
 140     pSFContainer->composer_client->openGlobalTransaction();
 141     iRVal = pANWContainer->surface_control->setLayer(droid_magic_surface_z);
 142     if (iRVal != NO_ERROR) {
 143         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
 144                      "Error in android::SurfaceControl->setLayer");
 145         delete pANWContainer;
 146         goto error_closeTransaction;
 147     }
 148
 149     pSFContainer->composer_client->closeGlobalTransaction();
 150
 151     pANWContainer->window = pANWContainer->surface_control->getSurface();
 152
 153     pSFContainer->composer_client->openGlobalTransaction();
 154     iRVal = pANWContainer->surface_control->setSize(width, height);
 155     pSFContainer->composer_client->closeGlobalTransaction();
 156
 157     if (iRVal != NO_ERROR) {
 158         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
 159                      "error in android::SurfaceControl->setSize");
 160         delete pANWContainer;
 161         goto error;
 162     }
 163
 164     pANWContainer->native_window = pANWContainer->window.get();
 165
 166     return pANWContainer;
 167
 168 error_closeTransaction:
 169     pSFContainer->composer_client->closeGlobalTransaction();
 170
 171 error:
 172     droid_tear_down_surfaceflinger_link(pSFContainer);
 173     return NULL;
 174 }
 175
 176 bool
 177 droid_show_surface(
 178     droid_surfaceflinger_container* pSFContainer,
 179     droid_ANativeWindow_container* pANWContainer)
 180 {
 181     int iRVal;
 182
 183     pSFContainer->composer_client->openGlobalTransaction();
 184     iRVal = pANWContainer->surface_control->show();
 185     pSFContainer->composer_client->closeGlobalTransaction();
 186
 187     if (iRVal != NO_ERROR) {
 188         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
 189                      "Error in android::SurfaceControl->show");
 190         return false;
 191     }
 192     return true;
 193 }
 194
 195 bool
 196 droid_resize_surface(
 197     droid_surfaceflinger_container* pSFContainer,
 198     droid_ANativeWindow_container* pANWContainer,
 199     int width,
 200     int height)
 201 {
 202     int iRVal;
 203
 204     pSFContainer->composer_client->openGlobalTransaction();
 205     iRVal = pANWContainer->surface_control->setSize(width, height);
 206     pSFContainer->composer_client->closeGlobalTransaction();
 207
 208     if (iRVal != NO_ERROR) {
 209         wcore_errorf(WAFFLE_ERROR_UNKNOWN,
 210                      "Error in android::SurfaceControl->setSize");
 211         return false;
 212     }
 213     return true;
 214 }
 215
 216 void
 217 droid_destroy_surface(
 218     droid_surfaceflinger_container* pSFContainer,
 219     droid_ANativeWindow_container* pANWContainer)
 220 {
 221     pSFContainer->composer_client->openGlobalTransaction();
 222     pANWContainer->surface_control->clear();
 223     pSFContainer->composer_client->closeGlobalTransaction();
 224     delete pANWContainer;
 225 }
 226
 227
 228 void
 229 droid_tear_down_surfaceflinger_link(
 230                 waffle::droid_surfaceflinger_container* pSFContainer)
 231 {
 232     if( pSFContainer == NULL)
 233         return;
 234
 235     if (pSFContainer->composer_client != NULL) {
 236         pSFContainer->composer_client->dispose();
 237         pSFContainer->composer_client = NULL;
 238     }
 239
 240     delete pSFContainer;
 241 }
 242
 243 }; // namespace waffle
 244
 245 extern "C" struct droid_surfaceflinger_container*
 246 droid_init_gl()
 247 {
 248     return reinterpret_cast<droid_surfaceflinger_container*>(
 249                 waffle::droid_setup_surfaceflinger_link());
 250 }
 251 extern "C" bool
 252 droid_deinit_gl(droid_surfaceflinger_container* pSFContainer)
 253 {
 254     waffle::droid_tear_down_surfaceflinger_link(
 255                 reinterpret_cast<waffle::droid_surfaceflinger_container*>
 256                 (pSFContainer));
 257     return true;
 258 }
 259
 260 extern "C" droid_ANativeWindow_container*
 261 droid_create_surface(
 262     int width,
 263     int height,
 264     droid_surfaceflinger_container* pSFContainer)
 265 {
 266     waffle::droid_ANativeWindow_container* container =
 267         waffle::droid_setup_surface(
 268             width, height,
 269             reinterpret_cast<waffle::droid_surfaceflinger_container*> (pSFContainer));
 270     return reinterpret_cast<droid_ANativeWindow_container*>(container);
 271 }
 272
 273 extern "C" bool
 274 droid_show_surface(
 275     droid_surfaceflinger_container* pSFContainer,
 276     droid_ANativeWindow_container* pANWContainer)
 277 {
 278     return waffle::droid_show_surface(
 279             reinterpret_cast<waffle::droid_surfaceflinger_container*>
 280             (pSFContainer),
 281             reinterpret_cast<waffle::droid_ANativeWindow_container*>
 282             (pANWContainer));
 283 }
 284
 285 extern "C" bool
 286 droid_resize_surface(
 287     droid_surfaceflinger_container* pSFContainer,
 288     droid_ANativeWindow_container* pANWContainer,
 289     int height,
 290     int width)
 291 {
 292     return waffle::droid_resize_surface(
 293             reinterpret_cast<waffle::droid_surfaceflinger_container*>
 294             (pSFContainer),
 295             reinterpret_cast<waffle::droid_ANativeWindow_container*>
 296             (pANWContainer), height, width);
 297 }
 298
 299 extern "C" void
 300 droid_destroy_surface(
 301     droid_surfaceflinger_container* pSFContainer,
 302     droid_ANativeWindow_container* pANWContainer)
 303 {
 304     return waffle::droid_destroy_surface(
 305             reinterpret_cast<waffle::droid_surfaceflinger_container*>
 306             (pSFContainer),
 307             reinterpret_cast<waffle::droid_ANativeWindow_container*>
 308             (pANWContainer));
 309 }