osdopengl.cc

   1 /*\r
   2     Copyright 2004-2005 Chris Tallon, 2006,2011-2012 Marten Richter\r
   3 \r
   4     This file is part of VOMP.\r
   5 \r
   6     VOMP is free software; you can redistribute it and/or modify\r
   7     it under the terms of the GNU General Public License as published by\r
   8     the Free Software Foundation; either version 2 of the License, or\r
   9     (at your option) any later version.\r
  10 \r
  11     VOMP is distributed in the hope that it will be useful,\r
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14     GNU General Public License for more details.\r
  15 \r
  16     You should have received a copy of the GNU General Public License\r
  17     along with VOMP; if not, write to the Free Software\r
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.\r
  19 */\r
  20 \r
  21 \r
  22 #include "osdopengl.h"\r
  23 #include "mtd.h"\r
  24 #include "videoomx.h"\r
  25 #include "surfaceopengl.h"\r
  26 \r
  27 \r
  28 #include "message.h"\r
  29 #include "command.h"\r
  30 \r
  31 \r
  32 #define  BACKBUFFER_WIDTH 1280\r
  33 #define  BACKBUFFER_HEIGHT 720\r
  34 \r
  35 \r
  36 \r
  37 \r
  38 \r
  39 \r
  40 \r
  41 OsdOpenGL::OsdOpenGL()\r
  42 {\r
  43   glmutex.Lock();\r
  44 \r
  45   external_driving=false;\r
  46 \r
  47   lastrendertime=getTimeMS();\r
  48   display_height=0;\r
  49   display_width=0;\r
  50 \r
  51 #ifdef BENCHMARK_FPS\r
  52         last_benchmark_time=getTimeMS();\r
  53         num_benchmark_frames=0;\r
  54 #endif\r
  55 \r
  56   \r
  57 }\r
  58 \r
  59 OsdOpenGL::~OsdOpenGL()\r
  60 {\r
  61 \r
  62   if (initted) \r
  63   {\r
  64           threadStop();\r
  65                 shutdown();\r
  66   }\r
  67 \r
  68 \r
  69   glmutex.Unlock();\r
  70 }\r
  71 \r
  72 int OsdOpenGL::getFD()\r
  73 {\r
  74   if (!initted) return 0;\r
  75   return fdOsd;\r
  76 }\r
  77 \r
  78 Surface * OsdOpenGL::createNewSurface() {\r
  79         return (Surface*)new SurfaceOpenGL();\r
  80 }\r
  81 \r
  82 int OsdOpenGL::init(void* device)\r
  83 {\r
  84   if (initted) return 0;\r
  85   Video* video = Video::getInstance();\r
  86    //window=*((HWND*)device);\r
  87   \r
  88    // May be this device specific part should go to a device specific child class\r
  89 \r
  90    //init broadcom chipset (Move to video?)\r
  91 \r
  92 \r
  93    //First get connection to egl\r
  94    egl_display=eglGetDisplay(EGL_DEFAULT_DISPLAY);\r
  95 \r
  96    if (egl_display==EGL_NO_DISPLAY) {\r
  97            Log::getInstance()->log("OSD", Log::WARN, "Could not get egl display! %x",eglGetError());\r
  98            glmutex.Unlock();\r
  99            return 0;\r
 100    }\r
 101 \r
 102 \r
 103 \r
 104    if (eglInitialize(egl_display, NULL, NULL)==EGL_FALSE) {\r
 105            Log::getInstance()->log("OSD", Log::WARN, "Initialising display failed! %x",eglGetError());\r
 106            glmutex.Unlock();\r
 107            return 0;\r
 108    }\r
 109 \r
 110    const char *query_str=eglQueryString(egl_display,EGL_CLIENT_APIS);\r
 111    if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);\r
 112    else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());\r
 113    query_str=eglQueryString(egl_display,EGL_EXTENSIONS);\r
 114    if (query_str)    Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);\r
 115    else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());\r
 116 \r
 117    const EGLint attributs[]={\r
 118                  EGL_RED_SIZE,8,EGL_GREEN_SIZE, 8,EGL_BLUE_SIZE, 8,EGL_ALPHA_SIZE, 8,\r
 119          EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT,\r
 120          EGL_CONFORMANT, EGL_OPENGL_ES2_BIT,\r
 121          EGL_NONE\r
 122    }; // Here, we might have to select the resolution!\r
 123 \r
 124 \r
 125    EGLint number;\r
 126 \r
 127    if (eglChooseConfig(egl_display, attributs, &egl_ourconfig, 1, &number)==EGL_FALSE) {\r
 128            Log::getInstance()->log("OSD", Log::WARN, "Choosing egl config failed! %x",eglGetError());\r
 129            glmutex.Unlock();\r
 130            return 0;\r
 131    }\r
 132 \r
 133    const EGLint attr_context[]={\r
 134                    EGL_CONTEXT_CLIENT_VERSION,2,\r
 135           EGL_NONE\r
 136       };\r
 137 \r
 138    egl_context=eglCreateContext(egl_display,egl_ourconfig,EGL_NO_CONTEXT,attr_context);\r
 139    if (egl_context==EGL_NO_CONTEXT) {\r
 140            Log::getInstance()->log("OSD", Log::WARN, "Creating egl context failed! %x",eglGetError());\r
 141            glmutex.Unlock();\r
 142            return 0;\r
 143    }\r
 144 \r
 145    // warning broadcom specific, get display size!\r
 146    display_width=display_height=0;\r
 147    if (graphics_get_display_size(0, &display_width, &display_height)<0) {\r
 148            Log::getInstance()->log("OSD", Log::WARN, "Getting display size failed! (BCM API) ");\r
 149            glmutex.Unlock();\r
 150            return 0;\r
 151    }\r
 152    Log::getInstance()->log("OSD", Log::NOTICE, "Displaysize is %d x %d ",display_width, display_height);\r
 153    VC_RECT_T dst_rect ={0,0,display_width,display_height};\r
 154    VC_RECT_T src_rect={0,0,BACKBUFFER_WIDTH <<16,BACKBUFFER_HEIGHT<<16};\r
 155    DISPMANX_DISPLAY_HANDLE_T bcm_display;\r
 156    DISPMANX_ELEMENT_HANDLE_T bcm_element;\r
 157    DISPMANX_UPDATE_HANDLE_T  bcm_update;\r
 158 \r
 159 \r
 160    bcm_display=vc_dispmanx_display_open(0);\r
 161    bcm_update=vc_dispmanx_update_start(0);\r
 162    bcm_element=vc_dispmanx_element_add(bcm_update,bcm_display,\r
 163          2,&dst_rect, 0,\r
 164          &src_rect,DISPMANX_PROTECTION_NONE,0, 0, (DISPMANX_TRANSFORM_T) 0);\r
 165 \r
 166    vc_dispmanx_update_submit_sync(bcm_update);\r
 167    static EGL_DISPMANX_WINDOW_T nativewindow;\r
 168    nativewindow.element=bcm_element;\r
 169    nativewindow.height=BACKBUFFER_HEIGHT;\r
 170    nativewindow.width=BACKBUFFER_WIDTH;\r
 171 \r
 172    egl_surface = eglCreateWindowSurface(egl_display,egl_ourconfig, &nativewindow,NULL );\r
 173    if (egl_surface==EGL_NO_SURFACE) {\r
 174            Log::getInstance()->log("OSD", Log::WARN, "Creating egl window surface failed!");\r
 175            glmutex.Unlock();\r
 176            return 0;\r
 177    }\r
 178 \r
 179    if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {\r
 180            Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed");\r
 181            glmutex.Unlock();\r
 182                    return 0;\r
 183    }\r
 184    // Test stuff\r
 185 \r
 186    query_str=(const char*)glGetString(GL_VERSION) ;\r
 187    if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);\r
 188    else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());\r
 189 \r
 190    query_str=(const char*)glGetString(GL_VENDOR) ;\r
 191    if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);\r
 192    else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());\r
 193 \r
 194    query_str=(const char*)glGetString(GL_RENDERER) ;\r
 195    if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);\r
 196    else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());\r
 197 \r
 198    query_str=(const char*)glGetString(GL_EXTENSIONS) ;\r
 199    if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);\r
 200    else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());\r
 201 \r
 202 \r
 203 \r
 204 \r
 205   //Now we will create the Screen\r
 206   screen = (Surface*) new SurfaceOpenGL(Surface::SCREEN);\r
 207 \r
 208   screen->create(video->getScreenWidth(), video->getScreenHeight());\r
 209   screen->display();\r
 210   initted = 1; // must set this here or create surface won't work\r
 211 \r
 212   //glGenBuffers(1, &vB);\r
 213   //glGenBuffers(1, &iB);\r
 214 \r
 215   //Preparing the Shaders\r
 216 \r
 217   if (!osd_shader.init()) {\r
 218           Log::getInstance()->log("OSD", Log::WARN, "Init Osd Shader failed");\r
 219           glmutex.Unlock();\r
 220           return 0;\r
 221   }\r
 222 \r
 223 \r
 224 \r
 225 \r
 226   glClearColor(0.0f,0.0f,0.0f,1.f);\r
 227   eglSwapInterval(egl_display, 1 );\r
 228 \r
 229   eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );\r
 230 \r
 231   if (((VideoOMX*)Video::getInstance())->initUsingOSDObjects()!=1) { //call Video for init opengl stuff\r
 232           return 0;\r
 233   }\r
 234 \r
 235 \r
 236   glmutex.Unlock();\r
 237   threadStart();\r
 238 \r
 239   return 1;\r
 240 }\r
 241 \r
 242 \r
 243 \r
 244 \r
 245         \r
 246 void OsdOpenGL::InitVertexBuffer(float  scalex,float scaley)\r
 247 {\r
 248   Video* video=Video::getInstance();\r
 249   float texx=1.f;\r
 250   float texy=1.f;\r
 251   OSDCOLOR osdcolor={1.f,1.f,1.f,1.f};\r
 252 \r
 253  // osdvertices[0].c=osdcolor;\r
 254   osdvertices[0].x= (scalex);\r
 255   osdvertices[0].y=-scaley;\r
 256   osdvertices[0].z=0.5;\r
 257   osdvertices[0].u=texx;\r
 258   osdvertices[0].v=texy;\r
 259  // osdvertices[1].c=osdcolor;\r
 260   osdvertices[1].x=(scalex);\r
 261   osdvertices[1].y=(scaley);\r
 262   osdvertices[1].z=0.5f;\r
 263   osdvertices[1].u=texx;\r
 264   osdvertices[1].v=0.f;\r
 265   //  osdvertices[0].c=osdcolor;\r
 266   osdvertices[2].x=(-scalex);\r
 267   osdvertices[2].y=-scaley;\r
 268   osdvertices[2].z=0.5f;\r
 269   osdvertices[2].u=0.f;\r
 270   osdvertices[2].v=texy;\r
 271  // osdvertices[3].c=osdcolor;\r
 272   osdvertices[3].x=-scalex;\r
 273   osdvertices[3].y=(scaley);\r
 274   osdvertices[3].z=0.5f;\r
 275   osdvertices[3].u=0.f;\r
 276   osdvertices[3].v=0.f;\r
 277   \r
 278   osdindices[0]=0;\r
 279   osdindices[1]=1;\r
 280   osdindices[2]=2;\r
 281   osdindices[3]=0;\r
 282   osdindices[4]=2;\r
 283   osdindices[5]=3;\r
 284 \r
 285   return;\r
 286 }\r
 287 \r
 288 int OsdOpenGL::shutdown()\r
 289 {\r
 290   if (!initted) return 0;\r
 291   initted = 0;\r
 292   threadStop();\r
 293 \r
 294   (((VideoOMX*)Video::getInstance())->shutdownUsingOSDObjects());\r
 295 \r
 296 \r
 297   osd_shader.deinit();\r
 298 \r
 299   glClear(GL_COLOR_BUFFER_BIT);\r
 300   eglSwapBuffers(egl_display, egl_surface);\r
 301   eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );\r
 302   eglDestroySurface(egl_display,egl_surface);\r
 303   eglDestroyContext(egl_display,egl_context);\r
 304   eglTerminate(egl_display );\r
 305 \r
 306   return 1;\r
 307 }\r
 308 \r
 309 void OsdOpenGL::screenShot(const char* fileName)\r
 310 {\r
 311   screen->screenShot(fileName);\r
 312 }\r
 313 \r
 314 void OsdOpenGL::threadMethod()\r
 315 {\r
 316         // We have to claim the gl context for this thread\r
 317         //glmutex.Lock();\r
 318 \r
 319         //glmutex.Unlock();\r
 320         int ts=0;\r
 321         while (true)\r
 322         {\r
 323                 ts=10;\r
 324                 unsigned int waittime=10;\r
 325 \r
 326                 if (initted) {\r
 327 \r
 328                         long long time1 = getTimeMS();\r
 329                         if ((time1 - lastrendertime) > 200) {//5 fps for OSD updates are enough, avoids tearing\r
 330                                 InternalRendering();\r
 331                                 lastrendertime = getTimeMS();\r
 332 \r
 333                         }\r
 334                 }\r
 335 \r
 336                 threadCheckExit();\r
 337                 if (ts!=0) {\r
 338                         struct timespec target_time;\r
 339                         clock_gettime(CLOCK_REALTIME,&target_time);\r
 340                         target_time.tv_nsec+=1000000LL*ts;\r
 341                         if (target_time.tv_nsec>999999999) {\r
 342                                 target_time.tv_nsec-=1000000000L;\r
 343                                 target_time.tv_sec+=1;\r
 344                         }\r
 345                         threadWaitForSignalTimed(&target_time);\r
 346                 }\r
 347                 //Sleep(1);\r
 348         }\r
 349         //eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );\r
 350 }\r
 351 \r
 352 \r
 353 void OsdOpenGL::threadPostStopCleanup()\r
 354 {\r
 355         //Doing nothing\r
 356         //goo;\r
 357 }\r
 358 \r
 359 \r
 360 \r
 361 void OsdOpenGL::InternalRendering(){\r
 362 \r
 363     BeginPainting();\r
 364 \r
 365 \r
 366 \r
 367 \r
 368         //InitVertexBuffer(display_width,display_height);\r
 369     InitVertexBuffer(1.f,1.f);\r
 370 \r
 371 \r
 372         glViewport(0, 0, BACKBUFFER_WIDTH ,BACKBUFFER_HEIGHT);\r
 373 \r
 374         glClearColor(0.0f,0.0f,0.0f,1.f);\r
 375         glClear(GL_COLOR_BUFFER_BIT);\r
 376 \r
 377         osd_shader.PrepareRendering(((SurfaceOpenGL*)screen)->getTexture());\r
 378 \r
 379         glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), osdvertices);\r
 380         glEnableVertexAttribArray(0);\r
 381         glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), &(osdvertices[0].u));\r
 382         glEnableVertexAttribArray(1);\r
 383 \r
 384 \r
 385 \r
 386         glDisable(GL_BLEND);\r
 387 \r
 388 \r
 389 \r
 390         glDrawArrays(GL_TRIANGLE_STRIP, 0,  4);\r
 391 \r
 392 \r
 393 \r
 394         //Show it to the user!\r
 395         eglSwapBuffers(egl_display, egl_surface);\r
 396 \r
 397         EndPainting();\r
 398 \r
 399 #ifdef BENCHMARK_FPS\r
 400         num_benchmark_frames++;\r
 401         if (getTimeMS()-last_benchmark_time>4000) {\r
 402                 float fps=1000./(float)(getTimeMS()-last_benchmark_time);\r
 403                 fps*=((float)num_benchmark_frames);\r
 404                 num_benchmark_frames=0;\r
 405                 Log::getInstance()->log("OSD", Log::NOTICE, "Current FPS %g", fps);\r
 406                 last_benchmark_time=getTimeMS();\r
 407 \r
 408         }\r
 409 \r
 410 #endif\r
 411 \r
 412         \r
 413 \r
 414 }\r
 415 \r
 416 \r
 417 \r
 418 \r
 419 void OsdOpenGL::BeginPainting() {//We synchronize calls to d3d between different threads\r
 420         glmutex.Lock();\r
 421         if (initted) {\r
 422                 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {\r
 423                         Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed in thread %d",eglGetError());\r
 424                         return;\r
 425                 }\r
 426         }\r
 427 }\r
 428 \r
 429 void OsdOpenGL::EndPainting() {\r
 430         eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );\r
 431         glmutex.Unlock();\r
 432 }\r
 433 \r
 434 \r
 435 \r
 436 void OsdOpenGL::Blank() {\r
 437         BeginPainting();\r
 438         glClearColor(0.15f, 0.25f, 0.35f, 1.0f); // change this to black after testing\r
 439         glClear( GL_COLOR_BUFFER_BIT );\r
 440         glClear( GL_DEPTH_BUFFER_BIT );\r
 441         EndPainting();\r
 442 }\r