2 Copyright 2004-2005 Chris Tallon, 2006,2011-2012 Marten Richter
4 This file is part of VOMP.
6 VOMP is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 VOMP is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with VOMP. If not, see <https://www.gnu.org/licenses/>.
21 #include "surfaceopengl.h"
26 #include "osdopengl.h"
28 #define BACKBUFFER_WIDTH 1280
29 #define BACKBUFFER_HEIGHT 720
31 OsdOpenGL::OsdOpenGL()
35 external_driving=false;
37 lastrendertime=getTimeMS();
43 last_benchmark_time=getTimeMS();
44 num_benchmark_frames=0;
50 OsdOpenGL::~OsdOpenGL()
63 Surface * OsdOpenGL::createNewSurface() {
64 return (Surface*)new SurfaceOpenGL();
69 if (initted) return 0;
70 Video* video = Video::getInstance();
72 //init broadcom chipset (Move to video?)
75 //First get connection to egl
76 egl_display=eglGetDisplay(EGL_DEFAULT_DISPLAY);
78 if (egl_display==EGL_NO_DISPLAY) {
79 Log::getInstance()->log("OSD", Log::WARN, "Could not get egl display! %x",eglGetError());
86 if (eglInitialize(egl_display, NULL, NULL)==EGL_FALSE) {
87 Log::getInstance()->log("OSD", Log::WARN, "Initialising display failed! %x",eglGetError());
92 const char *query_str=eglQueryString(egl_display,EGL_CLIENT_APIS);
93 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
94 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());
95 query_str=eglQueryString(egl_display,EGL_EXTENSIONS);
96 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
97 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());
99 const EGLint attributs[]={
100 EGL_RED_SIZE,8,EGL_GREEN_SIZE, 8,EGL_BLUE_SIZE, 8,EGL_ALPHA_SIZE, 8,
101 EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT,
102 EGL_CONFORMANT, EGL_OPENGL_ES2_BIT,
104 }; // Here, we might have to select the resolution!
109 if (eglChooseConfig(egl_display, attributs, &egl_ourconfig, 1, &number)==EGL_FALSE) {
110 Log::getInstance()->log("OSD", Log::WARN, "Choosing egl config failed! %x",eglGetError());
115 const EGLint attr_context[]={
116 EGL_CONTEXT_CLIENT_VERSION,2,
120 egl_context=eglCreateContext(egl_display,egl_ourconfig,EGL_NO_CONTEXT,attr_context);
121 if (egl_context==EGL_NO_CONTEXT) {
122 Log::getInstance()->log("OSD", Log::WARN, "Creating egl context failed! %x",eglGetError());
127 // warning broadcom specific, get display size!
128 display_width=display_height=0;
129 if (graphics_get_display_size(0, &display_width, &display_height)<0) {
130 Log::getInstance()->log("OSD", Log::WARN, "Getting display size failed! (BCM API) ");
134 Log::getInstance()->log("OSD", Log::NOTICE, "Displaysize is %d x %d ",display_width, display_height);
135 VC_RECT_T dst_rect ={0,0,display_width,display_height};
136 VC_RECT_T src_rect={0,0,BACKBUFFER_WIDTH <<16,BACKBUFFER_HEIGHT<<16};
138 DISPMANX_UPDATE_HANDLE_T bcm_update;
140 bcm_display=vc_dispmanx_display_open(0);
141 bcm_update=vc_dispmanx_update_start(0);
142 bcm_element=vc_dispmanx_element_add(bcm_update,bcm_display,
144 &src_rect,DISPMANX_PROTECTION_NONE,0, 0, (DISPMANX_TRANSFORM_T) 0);
146 vc_dispmanx_update_submit_sync(bcm_update);
147 static EGL_DISPMANX_WINDOW_T nativewindow;
148 nativewindow.element=bcm_element;
149 nativewindow.height=BACKBUFFER_HEIGHT;
150 nativewindow.width=BACKBUFFER_WIDTH;
152 egl_surface = eglCreateWindowSurface(egl_display,egl_ourconfig, &nativewindow,NULL );
153 if (egl_surface==EGL_NO_SURFACE) {
154 Log::getInstance()->log("OSD", Log::WARN, "Creating egl window surface failed!");
159 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {
160 Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed");
166 query_str=(const char*)glGetString(GL_VERSION) ;
167 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
168 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
170 query_str=(const char*)glGetString(GL_VENDOR) ;
171 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
172 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
174 query_str=(const char*)glGetString(GL_RENDERER) ;
175 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
176 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
178 query_str=(const char*)glGetString(GL_EXTENSIONS) ;
179 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
180 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
185 //Now we will create the Screen
186 screen = (Surface*) new SurfaceOpenGL(Surface::SCREEN);
188 screen->create(video->getScreenWidth(), video->getScreenHeight());
190 initted = true; // must set this here or create surface won't work
192 //glGenBuffers(1, &vB);
193 //glGenBuffers(1, &iB);
195 //Preparing the Shaders
197 if (!osd_shader.init()) {
198 Log::getInstance()->log("OSD", Log::WARN, "Init Osd Shader failed");
206 glClearColor(0.0f,0.0f,0.0f,1.f);
207 eglSwapInterval(egl_display, 1 );
209 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
211 if (((VideoOMX*)Video::getInstance())->initUsingOSDObjects()!=1) { //call Video for init opengl stuff
222 void OsdOpenGL::InitVertexBuffer(float scalex,float scaley)
224 Video* video=Video::getInstance();
227 OSDCOLOR osdcolor={1.f,1.f,1.f,1.f};
229 // osdvertices[0].c=osdcolor;
230 osdvertices[0].x= (scalex);
231 osdvertices[0].y=-scaley;
232 osdvertices[0].z=0.5;
233 osdvertices[0].u=texx;
234 osdvertices[0].v=texy;
235 // osdvertices[1].c=osdcolor;
236 osdvertices[1].x=(scalex);
237 osdvertices[1].y=(scaley);
238 osdvertices[1].z=0.5f;
239 osdvertices[1].u=texx;
240 osdvertices[1].v=0.f;
241 // osdvertices[0].c=osdcolor;
242 osdvertices[2].x=(-scalex);
243 osdvertices[2].y=-scaley;
244 osdvertices[2].z=0.5f;
245 osdvertices[2].u=0.f;
246 osdvertices[2].v=texy;
247 // osdvertices[3].c=osdcolor;
248 osdvertices[3].x=-scalex;
249 osdvertices[3].y=(scaley);
250 osdvertices[3].z=0.5f;
251 osdvertices[3].u=0.f;
252 osdvertices[3].v=0.f;
264 int OsdOpenGL::shutdown()
266 if (!initted) return 0;
273 (((VideoOMX*)Video::getInstance())->shutdownUsingOSDObjects());
278 glClear(GL_COLOR_BUFFER_BIT);
279 eglSwapBuffers(egl_display, egl_surface);
280 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
281 eglDestroySurface(egl_display,egl_surface);
282 eglDestroyContext(egl_display,egl_context);
283 eglTerminate(egl_display );
285 DISPMANX_UPDATE_HANDLE_T bcm_update;
286 bcm_update=vc_dispmanx_update_start(0);
288 vc_dispmanx_element_remove(bcm_update,bcm_element);
289 vc_dispmanx_update_submit_sync(bcm_update);
290 vc_dispmanx_display_close(bcm_display);
296 bool OsdOpenGL::screenShot(const char* fileName)
299 bool ret = screen->screenShot(fileName);
304 void OsdOpenGL::threadMethod()
306 // We have to claim the gl context for this thread
314 unsigned int waittime=10;
318 long long time1 = getTimeMS();
319 if ((time1 - lastrendertime) > 200) {//5 fps for OSD updates are enough, avoids tearing
321 lastrendertime = getTimeMS();
328 struct timespec target_time;
329 clock_gettime(CLOCK_REALTIME,&target_time);
330 target_time.tv_nsec+=1000000LL*ts;
331 if (target_time.tv_nsec>999999999) {
332 target_time.tv_nsec-=1000000000L;
333 target_time.tv_sec+=1;
335 threadWaitForSignalTimed(&target_time);
339 //eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
342 void OsdOpenGL::InternalRendering(){
349 //InitVertexBuffer(display_width,display_height);
350 InitVertexBuffer(1.f,1.f);
353 glViewport(0, 0, BACKBUFFER_WIDTH ,BACKBUFFER_HEIGHT);
355 glClearColor(0.0f,0.0f,0.0f,1.f);
356 glClear(GL_COLOR_BUFFER_BIT);
358 osd_shader.PrepareRendering(((SurfaceOpenGL*)screen)->getTexture());
360 glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), osdvertices);
361 glEnableVertexAttribArray(0);
362 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), &(osdvertices[0].u));
363 glEnableVertexAttribArray(1);
371 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
375 //Show it to the user!
376 eglSwapBuffers(egl_display, egl_surface);
381 num_benchmark_frames++;
382 if (getTimeMS()-last_benchmark_time>4000) {
383 float fps=1000./(float)(getTimeMS()-last_benchmark_time);
384 fps*=((float)num_benchmark_frames);
385 num_benchmark_frames=0;
386 Log::getInstance()->log("OSD", Log::NOTICE, "Current FPS %g", fps);
387 last_benchmark_time=getTimeMS();
400 void OsdOpenGL::BeginPainting() {//We synchronize calls to d3d between different threads
403 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {
404 Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed in thread %d",eglGetError());
410 void OsdOpenGL::EndPainting() {
411 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
417 void OsdOpenGL::Blank() {
419 glClearColor(0.15f, 1.f, 0.35f, 1.0f); // change this to black after testing
420 glClear( GL_COLOR_BUFFER_BIT );
421 glClear( GL_DEPTH_BUFFER_BIT );