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"
25 #include "osdopengl.h"
27 #define BACKBUFFER_WIDTH 1280
28 #define BACKBUFFER_HEIGHT 720
30 OsdOpenGL::OsdOpenGL()
34 external_driving=false;
36 lastrendertime=getTimeMS();
42 last_benchmark_time=getTimeMS();
43 num_benchmark_frames=0;
49 OsdOpenGL::~OsdOpenGL()
62 int OsdOpenGL::getFD()
64 if (!initted) return 0;
68 Surface * OsdOpenGL::createNewSurface() {
69 return (Surface*)new SurfaceOpenGL();
74 if (initted) return 0;
75 Video* video = Video::getInstance();
77 //init broadcom chipset (Move to video?)
80 //First get connection to egl
81 egl_display=eglGetDisplay(EGL_DEFAULT_DISPLAY);
83 if (egl_display==EGL_NO_DISPLAY) {
84 Log::getInstance()->log("OSD", Log::WARN, "Could not get egl display! %x",eglGetError());
91 if (eglInitialize(egl_display, NULL, NULL)==EGL_FALSE) {
92 Log::getInstance()->log("OSD", Log::WARN, "Initialising display failed! %x",eglGetError());
97 const char *query_str=eglQueryString(egl_display,EGL_CLIENT_APIS);
98 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
99 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());
100 query_str=eglQueryString(egl_display,EGL_EXTENSIONS);
101 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
102 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());
104 const EGLint attributs[]={
105 EGL_RED_SIZE,8,EGL_GREEN_SIZE, 8,EGL_BLUE_SIZE, 8,EGL_ALPHA_SIZE, 8,
106 EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT,
107 EGL_CONFORMANT, EGL_OPENGL_ES2_BIT,
109 }; // Here, we might have to select the resolution!
114 if (eglChooseConfig(egl_display, attributs, &egl_ourconfig, 1, &number)==EGL_FALSE) {
115 Log::getInstance()->log("OSD", Log::WARN, "Choosing egl config failed! %x",eglGetError());
120 const EGLint attr_context[]={
121 EGL_CONTEXT_CLIENT_VERSION,2,
125 egl_context=eglCreateContext(egl_display,egl_ourconfig,EGL_NO_CONTEXT,attr_context);
126 if (egl_context==EGL_NO_CONTEXT) {
127 Log::getInstance()->log("OSD", Log::WARN, "Creating egl context failed! %x",eglGetError());
132 // warning broadcom specific, get display size!
133 display_width=display_height=0;
134 if (graphics_get_display_size(0, &display_width, &display_height)<0) {
135 Log::getInstance()->log("OSD", Log::WARN, "Getting display size failed! (BCM API) ");
139 Log::getInstance()->log("OSD", Log::NOTICE, "Displaysize is %d x %d ",display_width, display_height);
140 VC_RECT_T dst_rect ={0,0,display_width,display_height};
141 VC_RECT_T src_rect={0,0,BACKBUFFER_WIDTH <<16,BACKBUFFER_HEIGHT<<16};
143 DISPMANX_UPDATE_HANDLE_T bcm_update;
145 bcm_display=vc_dispmanx_display_open(0);
146 bcm_update=vc_dispmanx_update_start(0);
147 bcm_element=vc_dispmanx_element_add(bcm_update,bcm_display,
149 &src_rect,DISPMANX_PROTECTION_NONE,0, 0, (DISPMANX_TRANSFORM_T) 0);
151 vc_dispmanx_update_submit_sync(bcm_update);
152 static EGL_DISPMANX_WINDOW_T nativewindow;
153 nativewindow.element=bcm_element;
154 nativewindow.height=BACKBUFFER_HEIGHT;
155 nativewindow.width=BACKBUFFER_WIDTH;
157 egl_surface = eglCreateWindowSurface(egl_display,egl_ourconfig, &nativewindow,NULL );
158 if (egl_surface==EGL_NO_SURFACE) {
159 Log::getInstance()->log("OSD", Log::WARN, "Creating egl window surface failed!");
164 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {
165 Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed");
171 query_str=(const char*)glGetString(GL_VERSION) ;
172 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
173 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
175 query_str=(const char*)glGetString(GL_VENDOR) ;
176 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
177 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
179 query_str=(const char*)glGetString(GL_RENDERER) ;
180 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
181 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
183 query_str=(const char*)glGetString(GL_EXTENSIONS) ;
184 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
185 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
190 //Now we will create the Screen
191 screen = (Surface*) new SurfaceOpenGL(Surface::SCREEN);
193 screen->create(video->getScreenWidth(), video->getScreenHeight());
195 initted = true; // must set this here or create surface won't work
197 //glGenBuffers(1, &vB);
198 //glGenBuffers(1, &iB);
200 //Preparing the Shaders
202 if (!osd_shader.init()) {
203 Log::getInstance()->log("OSD", Log::WARN, "Init Osd Shader failed");
211 glClearColor(0.0f,0.0f,0.0f,1.f);
212 eglSwapInterval(egl_display, 1 );
214 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
216 if (((VideoOMX*)Video::getInstance())->initUsingOSDObjects()!=1) { //call Video for init opengl stuff
227 void OsdOpenGL::InitVertexBuffer(float scalex,float scaley)
229 Video* video=Video::getInstance();
232 OSDCOLOR osdcolor={1.f,1.f,1.f,1.f};
234 // osdvertices[0].c=osdcolor;
235 osdvertices[0].x= (scalex);
236 osdvertices[0].y=-scaley;
237 osdvertices[0].z=0.5;
238 osdvertices[0].u=texx;
239 osdvertices[0].v=texy;
240 // osdvertices[1].c=osdcolor;
241 osdvertices[1].x=(scalex);
242 osdvertices[1].y=(scaley);
243 osdvertices[1].z=0.5f;
244 osdvertices[1].u=texx;
245 osdvertices[1].v=0.f;
246 // osdvertices[0].c=osdcolor;
247 osdvertices[2].x=(-scalex);
248 osdvertices[2].y=-scaley;
249 osdvertices[2].z=0.5f;
250 osdvertices[2].u=0.f;
251 osdvertices[2].v=texy;
252 // osdvertices[3].c=osdcolor;
253 osdvertices[3].x=-scalex;
254 osdvertices[3].y=(scaley);
255 osdvertices[3].z=0.5f;
256 osdvertices[3].u=0.f;
257 osdvertices[3].v=0.f;
269 int OsdOpenGL::shutdown()
271 if (!initted) return 0;
278 (((VideoOMX*)Video::getInstance())->shutdownUsingOSDObjects());
283 glClear(GL_COLOR_BUFFER_BIT);
284 eglSwapBuffers(egl_display, egl_surface);
285 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
286 eglDestroySurface(egl_display,egl_surface);
287 eglDestroyContext(egl_display,egl_context);
288 eglTerminate(egl_display );
290 DISPMANX_UPDATE_HANDLE_T bcm_update;
291 bcm_update=vc_dispmanx_update_start(0);
293 vc_dispmanx_element_remove(bcm_update,bcm_element);
294 vc_dispmanx_update_submit_sync(bcm_update);
295 vc_dispmanx_display_close(bcm_display);
301 void OsdOpenGL::screenShot(const char* fileName)
304 screen->screenShot(fileName);
308 void OsdOpenGL::threadMethod()
310 // We have to claim the gl context for this thread
318 unsigned int waittime=10;
322 long long time1 = getTimeMS();
323 if ((time1 - lastrendertime) > 200) {//5 fps for OSD updates are enough, avoids tearing
325 lastrendertime = getTimeMS();
332 struct timespec target_time;
333 clock_gettime(CLOCK_REALTIME,&target_time);
334 target_time.tv_nsec+=1000000LL*ts;
335 if (target_time.tv_nsec>999999999) {
336 target_time.tv_nsec-=1000000000L;
337 target_time.tv_sec+=1;
339 threadWaitForSignalTimed(&target_time);
343 //eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
346 void OsdOpenGL::InternalRendering(){
353 //InitVertexBuffer(display_width,display_height);
354 InitVertexBuffer(1.f,1.f);
357 glViewport(0, 0, BACKBUFFER_WIDTH ,BACKBUFFER_HEIGHT);
359 glClearColor(0.0f,0.0f,0.0f,1.f);
360 glClear(GL_COLOR_BUFFER_BIT);
362 osd_shader.PrepareRendering(((SurfaceOpenGL*)screen)->getTexture());
364 glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), osdvertices);
365 glEnableVertexAttribArray(0);
366 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), &(osdvertices[0].u));
367 glEnableVertexAttribArray(1);
375 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
379 //Show it to the user!
380 eglSwapBuffers(egl_display, egl_surface);
385 num_benchmark_frames++;
386 if (getTimeMS()-last_benchmark_time>4000) {
387 float fps=1000./(float)(getTimeMS()-last_benchmark_time);
388 fps*=((float)num_benchmark_frames);
389 num_benchmark_frames=0;
390 Log::getInstance()->log("OSD", Log::NOTICE, "Current FPS %g", fps);
391 last_benchmark_time=getTimeMS();
404 void OsdOpenGL::BeginPainting() {//We synchronize calls to d3d between different threads
407 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {
408 Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed in thread %d",eglGetError());
414 void OsdOpenGL::EndPainting() {
415 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
421 void OsdOpenGL::Blank() {
423 glClearColor(0.15f, 1.f, 0.35f, 1.0f); // change this to black after testing
424 glClear( GL_COLOR_BUFFER_BIT );
425 glClear( GL_DEPTH_BUFFER_BIT );