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 Surface * OsdOpenGL::createNewSurface() {
63 return (Surface*)new SurfaceOpenGL();
68 if (initted) return 0;
69 Video* video = Video::getInstance();
71 //init broadcom chipset (Move to video?)
74 //First get connection to egl
75 egl_display=eglGetDisplay(EGL_DEFAULT_DISPLAY);
77 if (egl_display==EGL_NO_DISPLAY) {
78 Log::getInstance()->log("OSD", Log::WARN, "Could not get egl display! %x",eglGetError());
85 if (eglInitialize(egl_display, NULL, NULL)==EGL_FALSE) {
86 Log::getInstance()->log("OSD", Log::WARN, "Initialising display failed! %x",eglGetError());
91 const char *query_str=eglQueryString(egl_display,EGL_CLIENT_APIS);
92 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
93 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());
94 query_str=eglQueryString(egl_display,EGL_EXTENSIONS);
95 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
96 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",eglGetError());
98 const EGLint attributs[]={
99 EGL_RED_SIZE,8,EGL_GREEN_SIZE, 8,EGL_BLUE_SIZE, 8,EGL_ALPHA_SIZE, 8,
100 EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT,
101 EGL_CONFORMANT, EGL_OPENGL_ES2_BIT,
103 }; // Here, we might have to select the resolution!
108 if (eglChooseConfig(egl_display, attributs, &egl_ourconfig, 1, &number)==EGL_FALSE) {
109 Log::getInstance()->log("OSD", Log::WARN, "Choosing egl config failed! %x",eglGetError());
114 const EGLint attr_context[]={
115 EGL_CONTEXT_CLIENT_VERSION,2,
119 egl_context=eglCreateContext(egl_display,egl_ourconfig,EGL_NO_CONTEXT,attr_context);
120 if (egl_context==EGL_NO_CONTEXT) {
121 Log::getInstance()->log("OSD", Log::WARN, "Creating egl context failed! %x",eglGetError());
126 // warning broadcom specific, get display size!
127 display_width=display_height=0;
128 if (graphics_get_display_size(0, &display_width, &display_height)<0) {
129 Log::getInstance()->log("OSD", Log::WARN, "Getting display size failed! (BCM API) ");
133 Log::getInstance()->log("OSD", Log::NOTICE, "Displaysize is %d x %d ",display_width, display_height);
134 VC_RECT_T dst_rect ={0,0,display_width,display_height};
135 VC_RECT_T src_rect={0,0,BACKBUFFER_WIDTH <<16,BACKBUFFER_HEIGHT<<16};
137 DISPMANX_UPDATE_HANDLE_T bcm_update;
139 bcm_display=vc_dispmanx_display_open(0);
140 bcm_update=vc_dispmanx_update_start(0);
141 bcm_element=vc_dispmanx_element_add(bcm_update,bcm_display,
143 &src_rect,DISPMANX_PROTECTION_NONE,0, 0, (DISPMANX_TRANSFORM_T) 0);
145 vc_dispmanx_update_submit_sync(bcm_update);
146 static EGL_DISPMANX_WINDOW_T nativewindow;
147 nativewindow.element=bcm_element;
148 nativewindow.height=BACKBUFFER_HEIGHT;
149 nativewindow.width=BACKBUFFER_WIDTH;
151 egl_surface = eglCreateWindowSurface(egl_display,egl_ourconfig, &nativewindow,NULL );
152 if (egl_surface==EGL_NO_SURFACE) {
153 Log::getInstance()->log("OSD", Log::WARN, "Creating egl window surface failed!");
158 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {
159 Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed");
165 query_str=(const char*)glGetString(GL_VERSION) ;
166 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
167 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
169 query_str=(const char*)glGetString(GL_VENDOR) ;
170 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
171 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
173 query_str=(const char*)glGetString(GL_RENDERER) ;
174 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
175 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
177 query_str=(const char*)glGetString(GL_EXTENSIONS) ;
178 if (query_str) Log::getInstance()->logLongString("OSD", Log::NOTICE, query_str);
179 else Log::getInstance()->log("OSD", Log::WARN, "Could not query display %x",glGetError());
184 //Now we will create the Screen
185 screen = (Surface*) new SurfaceOpenGL(Surface::SCREEN);
187 screen->create(video->getScreenWidth(), video->getScreenHeight());
189 initted = true; // must set this here or create surface won't work
191 //glGenBuffers(1, &vB);
192 //glGenBuffers(1, &iB);
194 //Preparing the Shaders
196 if (!osd_shader.init()) {
197 Log::getInstance()->log("OSD", Log::WARN, "Init Osd Shader failed");
205 glClearColor(0.0f,0.0f,0.0f,1.f);
206 eglSwapInterval(egl_display, 1 );
208 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
210 if (((VideoOMX*)Video::getInstance())->initUsingOSDObjects()!=1) { //call Video for init opengl stuff
221 void OsdOpenGL::InitVertexBuffer(float scalex,float scaley)
223 Video* video=Video::getInstance();
226 OSDCOLOR osdcolor={1.f,1.f,1.f,1.f};
228 // osdvertices[0].c=osdcolor;
229 osdvertices[0].x= (scalex);
230 osdvertices[0].y=-scaley;
231 osdvertices[0].z=0.5;
232 osdvertices[0].u=texx;
233 osdvertices[0].v=texy;
234 // osdvertices[1].c=osdcolor;
235 osdvertices[1].x=(scalex);
236 osdvertices[1].y=(scaley);
237 osdvertices[1].z=0.5f;
238 osdvertices[1].u=texx;
239 osdvertices[1].v=0.f;
240 // osdvertices[0].c=osdcolor;
241 osdvertices[2].x=(-scalex);
242 osdvertices[2].y=-scaley;
243 osdvertices[2].z=0.5f;
244 osdvertices[2].u=0.f;
245 osdvertices[2].v=texy;
246 // osdvertices[3].c=osdcolor;
247 osdvertices[3].x=-scalex;
248 osdvertices[3].y=(scaley);
249 osdvertices[3].z=0.5f;
250 osdvertices[3].u=0.f;
251 osdvertices[3].v=0.f;
263 int OsdOpenGL::shutdown()
265 if (!initted) return 0;
272 (((VideoOMX*)Video::getInstance())->shutdownUsingOSDObjects());
277 glClear(GL_COLOR_BUFFER_BIT);
278 eglSwapBuffers(egl_display, egl_surface);
279 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
280 eglDestroySurface(egl_display,egl_surface);
281 eglDestroyContext(egl_display,egl_context);
282 eglTerminate(egl_display );
284 DISPMANX_UPDATE_HANDLE_T bcm_update;
285 bcm_update=vc_dispmanx_update_start(0);
287 vc_dispmanx_element_remove(bcm_update,bcm_element);
288 vc_dispmanx_update_submit_sync(bcm_update);
289 vc_dispmanx_display_close(bcm_display);
295 bool OsdOpenGL::screenShot(const char* fileName)
298 bool ret = screen->screenShot(fileName);
303 void OsdOpenGL::threadMethod()
305 // We have to claim the gl context for this thread
313 unsigned int waittime=10;
317 long long time1 = getTimeMS();
318 if ((time1 - lastrendertime) > 200) {//5 fps for OSD updates are enough, avoids tearing
320 lastrendertime = getTimeMS();
327 struct timespec target_time;
328 clock_gettime(CLOCK_REALTIME,&target_time);
329 target_time.tv_nsec+=1000000LL*ts;
330 if (target_time.tv_nsec>999999999) {
331 target_time.tv_nsec-=1000000000L;
332 target_time.tv_sec+=1;
334 threadWaitForSignalTimed(&target_time);
338 //eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
341 void OsdOpenGL::InternalRendering(){
348 //InitVertexBuffer(display_width,display_height);
349 InitVertexBuffer(1.f,1.f);
352 glViewport(0, 0, BACKBUFFER_WIDTH ,BACKBUFFER_HEIGHT);
354 glClearColor(0.0f,0.0f,0.0f,1.f);
355 glClear(GL_COLOR_BUFFER_BIT);
357 osd_shader.PrepareRendering(((SurfaceOpenGL*)screen)->getTexture());
359 glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), osdvertices);
360 glEnableVertexAttribArray(0);
361 glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,sizeof(OSDVERTEX), &(osdvertices[0].u));
362 glEnableVertexAttribArray(1);
370 glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
374 //Show it to the user!
375 eglSwapBuffers(egl_display, egl_surface);
380 num_benchmark_frames++;
381 if (getTimeMS()-last_benchmark_time>4000) {
382 float fps=1000./(float)(getTimeMS()-last_benchmark_time);
383 fps*=((float)num_benchmark_frames);
384 num_benchmark_frames=0;
385 Log::getInstance()->log("OSD", Log::NOTICE, "Current FPS %g", fps);
386 last_benchmark_time=getTimeMS();
399 void OsdOpenGL::BeginPainting() {//We synchronize calls to d3d between different threads
402 if (eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context)== EGL_FALSE) {
403 Log::getInstance()->log("OSD", Log::WARN, "Making egl Current failed in thread %d",eglGetError());
409 void OsdOpenGL::EndPainting() {
410 eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
416 void OsdOpenGL::Blank() {
418 glClearColor(0.15f, 1.f, 0.35f, 1.0f); // change this to black after testing
419 glClear( GL_COLOR_BUFFER_BIT );
420 glClear( GL_DEPTH_BUFFER_BIT );