C++ (Cpp) glGenRenderbuffers Examples - HotExamples

C++ (Cpp) glGenRenderbuffers - 6 examples found. These are the top rated real world C++ (Cpp) examples of glGenRenderbuffers extracted from open source ... Togglenavigation HotExamplesENENRUDEFRESPTITJPZH C++PHPC#JavaGoC++PythonJSTS SearchC++(Cpp)glGenRenderbuffersExamplesC++(Cpp)glGenRenderbuffers-6examplesfound.ThesearethetopratedrealworldC++(Cpp)examplesofglGenRenderbuffersextractedfromopensourceprojects.Youcanrateexamplestohelpusimprovethequalityofexamples.ProgrammingLanguage:C++(Cpp)Method/Function:glGenRenderbuffersExamplesathotexamples.com:6reportthisadRelatedLEDG_Off__kill_fasyncswitch_event_destroyrfkill_registeraml_write_reg32glutBitmapCharacterKConfigTcl_GetDoubleutil_unreference_framebuffer_stateTwistreportthisadRelatedinlangsZendda_File_Images(PHP)Google_SubscriptionSnippet(PHP)vitima(C#)UsersContext(C#)NewEchoResponse(Go)NewStepRemoveNode(Go)RegexpQuery(Java)StockBook(Java)render_traceback(Python)ConfigWindowController(Python)reportthisadExample#10ShowfileFile: renderWaterTexture.c Project: xiaobai1984/OpenGLGLUSuintinitWaterTexture(GLUSfloatwaterPlaneLength) { GLfloatprojectionMatrixWaterTexture[16]; GLfloatmodelViewMatrixWaterTexture[16]; GLUSshapeplane; GLUStextfilevertexSource; GLUStextfilefragmentSource; glusFileLoadText("../Example15/shader/WaterTexture.vert.glsl",&vertexSource); glusFileLoadText("../Example15/shader/WaterTexture.frag.glsl",&fragmentSource); glusProgramBuildFromSource(&g_programWaterTexture,(constGLUSchar**)&vertexSource.text,0,0,0,(constGLUSchar**)&fragmentSource.text); glusFileDestroyText(&vertexSource); glusFileDestroyText(&fragmentSource); // g_projectionMatrixWaterTextureLocation=glGetUniformLocation(g_programWaterTexture.program,"u_projectionMatrix"); g_modelViewMatrixWaterTextureLocation=glGetUniformLocation(g_programWaterTexture.program,"u_modelViewMatrix"); g_waterPlaneLengthWaterTextureLocation=glGetUniformLocation(g_programWaterTexture.program,"u_waterPlaneLength"); g_passedTimeWaterTextureLocation=glGetUniformLocation(g_programWaterTexture.program,"u_passedTime"); g_waveParametersWaterTextureLocation=glGetUniformLocation(g_programWaterTexture.program,"u_waveParameters"); g_waveDirectionsWaterTextureLocation=glGetUniformLocation(g_programWaterTexture.program,"u_waveDirections"); g_vertexWaterTextureLocation=glGetAttribLocation(g_programWaterTexture.program,"a_vertex"); g_texCoordWaterTextureLocation=glGetAttribLocation(g_programWaterTexture.program,"a_texCoord"); // glGenTextures(1,&g_mirrorTexture); glActiveTexture(GL_TEXTURE1); glBindTexture(GL_TEXTURE_2D,g_mirrorTexture); glTexImage2D(GL_TEXTURE_2D,0,GLUS_RGB,TEXTURE_SIZE,TEXTURE_SIZE,0,GLUS_RGB,GL_UNSIGNED_BYTE,0); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT); glBindTexture(GL_TEXTURE_2D,0); // glGenRenderbuffers(1,&g_depthMirrorTexture); glBindRenderbuffer(GL_RENDERBUFFER,g_depthMirrorTexture); glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH_COMPONENT,TEXTURE_SIZE,TEXTURE_SIZE); glBindRenderbuffer(GL_RENDERBUFFER,0); // glGenFramebuffers(1,&g_fboWaterTexture); glBindFramebuffer(GL_FRAMEBUFFER,g_fboWaterTexture); //Attachthecolorbuffer... glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,g_mirrorTexture,0); //...andthedepthbuffer, glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,g_depthMirrorTexture); if(glCheckFramebufferStatus(GL_FRAMEBUFFER)!=GL_FRAMEBUFFER_COMPLETE) { printf("GL_FRAMEBUFFER_COMPLETEerror0x%x",glCheckFramebufferStatus(GL_FRAMEBUFFER)); returnGLUS_FALSE; } glBindFramebuffer(GL_FRAMEBUFFER,0); // glBindVertexArray(0); // glusShapeCreatePlanef(&plane,TEXTURE_SIZE/2.0f); g_numberIndicesWaterTexture=plane.numberIndices; glGenBuffers(1,&g_verticesWaterTextureVBO); glBindBuffer(GL_ARRAY_BUFFER,g_verticesWaterTextureVBO); glBufferData(GL_ARRAY_BUFFER,plane.numberVertices*4*sizeof(GLfloat),(GLfloat*)plane.vertices,GL_STATIC_DRAW); glGenBuffers(1,&g_texCoordsWaterTextureVBO); glBindBuffer(GL_ARRAY_BUFFER,g_texCoordsWaterTextureVBO); glBufferData(GL_ARRAY_BUFFER,plane.numberVertices*2*sizeof(GLfloat),(GLfloat*)plane.texCoords,GL_STATIC_DRAW); glBindBuffer(GL_ARRAY_BUFFER,0); glGenBuffers(1,&g_indicesWaterTextureVBO); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,g_indicesWaterTextureVBO); glBufferData(GL_ELEMENT_ARRAY_BUFFER,plane.numberIndices*sizeof(GLuint),(GLuint*)plane.indices,GL_STATIC_DRAW); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); glusShapeDestroyf(&plane); // glUseProgram(g_programWaterTexture.program); glusMatrix4x4LookAtf(modelViewMatrixWaterTexture,0.0f,0.0f,5.0f,0.0f,0.0f,0.0f,0.0f,1.0f,0.0f); glUniformMatrix4fv(g_modelViewMatrixWaterTextureLocation,1,GL_FALSE,modelViewMatrixWaterTexture); glusMatrix4x4Orthof(projectionMatrixWaterTexture,-(GLfloat)TEXTURE_SIZE/2,(GLfloat)TEXTURE_SIZE/2, -(GLfloat)TEXTURE_SIZE/2,(GLfloat)TEXTURE_SIZE/2,1.0f,100.0f); glUniformMatrix4fv(g_projectionMatrixWaterTextureLocation,1,GL_FALSE,projectionMatrixWaterTexture); glUniform1f(g_waterPlaneLengthWaterTextureLocation,waterPlaneLength); // glGenVertexArrays(1,&g_vaoWaterTexture); glBindVertexArray(g_vaoWaterTexture); glBindBuffer(GL_ARRAY_BUFFER,g_verticesWaterTextureVBO); glVertexAttribPointer(g_vertexWaterTextureLocation,4,GL_FLOAT,GL_FALSE,0,0); glEnableVertexAttribArray(g_vertexWaterTextureLocation); glBindBuffer(GL_ARRAY_BUFFER,g_texCoordsWaterTextureVBO); glVertexAttribPointer(g_texCoordWaterTextureLocation,2,GL_FLOAT,GL_FALSE,0,0); glEnableVertexAttribArray(g_texCoordWaterTextureLocation); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,g_indicesWaterTextureVBO); // glClearColor(0.0f,0.0f,0.0f,0.0f); glClearDepth(1.0f); glEnable(GL_DEPTH_TEST); glEnable(GL_CULL_FACE); returng_mirrorTexture; }Example#20ShowfileFile: OculusManager.cpp Project: mathieu-h/AroundTheSpaceOculusManager&OculusManager::getOculusManager() { staticOculusManager*oculusManager=NULL; if(oculusManager==NULL) { oculusManager=newOculusManager(); if(!ovr_Initialize()){ fprintf(stderr,"FailedtoinitializetheOculusSDK"); } //=*OculusManager::getHmd(); g_Hmd=ovrHmd_Create(0); if(!g_Hmd) { printf("NoOculusRiftdeviceattached,usingvirtualversion...\n"); g_Hmd=ovrHmd_CreateDebug(ovrHmd_DK2); } printf("initializedHMD:%s-%s\n",g_Hmd->Manufacturer,g_Hmd->ProductName); if(!glfwInit())exit(EXIT_FAILURE); if(l_MultiSampling)glfwWindowHint(GLFW_SAMPLES,4);elseglfwWindowHint(GLFW_SAMPLES,0); booll_DirectMode=((g_Hmd->HmdCaps&ovrHmdCap_ExtendDesktop)==0); GLFWmonitor*l_Monitor; ovrSizeil_ClientSize; if(l_DirectMode) { printf("Runningin\"Direct\"mode...\n"); l_Monitor=NULL; l_ClientSize.w=g_Hmd->Resolution.w/2;//Somethingreasonable,smaller,butmaintainaspectratio... l_ClientSize.h=g_Hmd->Resolution.h/2;//Somethingreasonable,smaller,butmaintainaspectratio... } else//ExtendedDesktopmode... { printf("Runningin\"ExtendedDesktop\"mode...\n"); intl_Count; GLFWmonitor**l_Monitors=glfwGetMonitors(&l_Count); switch(l_Count) { case0: printf("Nomonitorsfound,exiting...\n"); exit(EXIT_FAILURE); break; case1: printf("Twomonitorsexpected,foundonlyone,usingprimary...\n"); l_Monitor=glfwGetPrimaryMonitor(); break; case2: printf("Twomonitorsfound,usingsecondmonitor...\n"); l_Monitor=l_Monitors[1]; break; default: printf("Morethantwomonitorsfound,usingsecondmonitor...\n"); l_Monitor=l_Monitors[1]; } l_ClientSize.w=g_Hmd->Resolution.w;//1920forDK2... l_ClientSize.h=g_Hmd->Resolution.h;//1080forDK2... } l_Window=glfwCreateWindow(l_ClientSize.w,l_ClientSize.h,"GLFWOculusRiftTest",l_Monitor,NULL); if(!l_Window) { glfwTerminate(); exit(EXIT_FAILURE); } #ifdefined(_WIN32) if(l_DirectMode) { ovrBooll_AttachResult=ovrHmd_AttachToWindow(g_Hmd,glfwGetWin32Window(l_Window),NULL,NULL); if(!l_AttachResult) { printf("Couldnotattachtowindow..."); exit(EXIT_FAILURE); } } #endif glfwMakeContextCurrent(l_Window); glewExperimental=GL_TRUE; GLenuml_GlewResult=glewInit(); if(l_GlewResult!=GLEW_OK) { printf("glewInit()error.\n"); exit(EXIT_FAILURE); } intl_Major=glfwGetWindowAttrib(l_Window,GLFW_CONTEXT_VERSION_MAJOR); intl_Minor=glfwGetWindowAttrib(l_Window,GLFW_CONTEXT_VERSION_MINOR); intl_Profile=glfwGetWindowAttrib(l_Window,GLFW_OPENGL_PROFILE); printf("OpenGL:%d.%d",l_Major,l_Minor); if(l_Major>=3)//ProfilesintroducedinOpenGL3.0... { if(l_Profile==GLFW_OPENGL_COMPAT_PROFILE)printf("GLFW_OPENGL_COMPAT_PROFILE\n");elseprintf("GLFW_OPENGL_CORE_PROFILE\n"); } printf("Vendor:%s\n",(char*)glGetString(GL_VENDOR)); printf("Renderer:%s\n",(char*)glGetString(GL_RENDERER)); ovrSizeil_EyeTextureSizes[2]; l_EyeTextureSizes[ovrEye_Left]=ovrHmd_GetFovTextureSize(g_Hmd,ovrEye_Left,g_Hmd->MaxEyeFov[ovrEye_Left],1.0f); l_EyeTextureSizes[ovrEye_Right]=ovrHmd_GetFovTextureSize(g_Hmd,ovrEye_Right,g_Hmd->MaxEyeFov[ovrEye_Right],1.0f); //Combineforonetextureforbotheyes... g_RenderTargetSize.w=l_EyeTextureSizes[ovrEye_Left].w+l_EyeTextureSizes[ovrEye_Right].w; g_RenderTargetSize.h=(l_EyeTextureSizes[ovrEye_Left].h>l_EyeTextureSizes[ovrEye_Right].h?l_EyeTextureSizes[ovrEye_Left].h:l_EyeTextureSizes[ovrEye_Right].h); //CreatetheFBObeingasingleoneforbotheyes(thisisopenfordebate)... glGenFramebuffers(1,&l_FBOId); glBindFramebuffer(GL_FRAMEBUFFER,l_FBOId); //Thetexturewe'regoingtorenderto... glGenTextures(1,&l_TextureId); //"Bind"thenewlycreatedtexture:allfuturetexturefunctionswillmodifythistexture... glBindTexture(GL_TEXTURE_2D,l_TextureId); //GiveanemptyimagetoOpenGL(thelast"0") glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,g_RenderTargetSize.w,g_RenderTargetSize.h,0,GL_RGBA,GL_UNSIGNED_BYTE,0); //Linearfiltering... glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); //CreateDepthBuffer... glGenRenderbuffers(1,&l_DepthBufferId); glBindRenderbuffer(GL_RENDERBUFFER,l_DepthBufferId); glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH_COMPONENT,g_RenderTargetSize.w,g_RenderTargetSize.h); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,l_DepthBufferId); //Setthetextureasourcolourattachment#0... glFramebufferTexture(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,l_TextureId,0); //Setthelistofdrawbuffers... GLenuml_GLDrawBuffers[1]={GL_COLOR_ATTACHMENT0}; glDrawBuffers(1,l_GLDrawBuffers);//"1"isthesizeofDrawBuffers //CheckifeverythingisOK... GLenuml_Check=glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER); if(l_Check!=GL_FRAMEBUFFER_COMPLETE) { printf("ThereisaproblemwiththeFBO.\n"); exit(EXIT_FAILURE); } //Unbind... glBindRenderbuffer(GL_RENDERBUFFER,0); glBindTexture(GL_TEXTURE_2D,0); glBindFramebuffer(GL_FRAMEBUFFER,0); //Setuptexturesforeacheye... //Lefteye... g_EyeTextures[ovrEye_Left].Header.API=ovrRenderAPI_OpenGL; g_EyeTextures[ovrEye_Left].Header.TextureSize=g_RenderTargetSize; g_EyeTextures[ovrEye_Left].Header.RenderViewport.Pos.x=0; g_EyeTextures[ovrEye_Left].Header.RenderViewport.Pos.y=0; g_EyeTextures[ovrEye_Left].Header.RenderViewport.Size=l_EyeTextureSizes[ovrEye_Left]; ((ovrGLTexture&)(g_EyeTextures[ovrEye_Left])).OGL.TexId=l_TextureId; //Righteye(mostlythesameasleftbutwiththeviewportontherightsideofthetexture)... g_EyeTextures[ovrEye_Right]=g_EyeTextures[ovrEye_Left]; g_EyeTextures[ovrEye_Right].Header.RenderViewport.Pos.x=(g_RenderTargetSize.w+1)/2; g_EyeTextures[ovrEye_Right].Header.RenderViewport.Pos.y=0; //OculusRifteyeconfigurations... g_Cfg.OGL.Header.API=ovrRenderAPI_OpenGL; g_Cfg.OGL.Header.RTSize.w=l_ClientSize.w; g_Cfg.OGL.Header.RTSize.h=l_ClientSize.h; g_Cfg.OGL.Header.Multisample=(l_MultiSampling?1:0); #ifdefined(_WIN32) g_Cfg.OGL.Window=glfwGetWin32Window(l_Window); g_Cfg.OGL.DC=GetDC(g_Cfg.OGL.Window); #elifdefined(__linux__) l_Cfg.OGL.Win=glfwGetX11Window(l_Window); l_Cfg.OGL.Disp=glfwGetX11Display(); #endif //Enablecapabilities... //ovrHmd_SetEnabledCaps(g_Hmd,ovrHmdCap_LowPersistence|ovrHmdCap_DynamicPrediction); ovrBooll_ConfigureResult=ovrHmd_ConfigureRendering(g_Hmd,&g_Cfg.Config,g_DistortionCaps,g_Hmd->MaxEyeFov,g_EyeRenderDesc); glUseProgram(0);//AvoidOpenGLstateleakinovrHmd_ConfigureRendering... if(!l_ConfigureResult) { printf("Configurefailed.\n"); exit(EXIT_FAILURE); } //StartthesensorwhichprovidestheRift’sposeandmotion... uint32_tl_SupportedSensorCaps=ovrTrackingCap_Orientation|ovrTrackingCap_MagYawCorrection|ovrTrackingCap_Position; uint32_tl_RequiredTrackingCaps=0; ovrBooll_TrackingResult=ovrHmd_ConfigureTracking(g_Hmd,l_SupportedSensorCaps,l_RequiredTrackingCaps); if(!l_TrackingResult) { printf("Couldnotstarttracking..."); exit(EXIT_FAILURE); } //Projectionmatriciforeacheyewillnotchangeatruntime,wecansetthemhere... g_ProjectionMatrici[ovrEye_Left]=ovrMatrix4f_Projection(g_EyeRenderDesc[ovrEye_Left].Fov,0.3f,100.0f,true); g_ProjectionMatrici[ovrEye_Right]=ovrMatrix4f_Projection(g_EyeRenderDesc[ovrEye_Right].Fov,0.3f,100.0f,true); //IPDoffsetvalueswillnotchangeatruntime,wecansetthemhere... g_EyeOffsets[ovrEye_Left]=g_EyeRenderDesc[ovrEye_Left].HmdToEyeViewOffset; g_EyeOffsets[ovrEye_Right]=g_EyeRenderDesc[ovrEye_Right].HmdToEyeViewOffset; ovrHmd_RecenterPose(g_Hmd); return*oculusManager; } }Example#30ShowfileFile: CARenderImage.cpp Project: DreamCastleShanghai/dkomClientboolCARenderImage::initWithWidthAndHeight(intw,inth,CAImage::PixelFormateFormat,GLuintuDepthStencilFormat) { CCAssert(eFormat!=CAImage::PixelFormat_A8,"onlyRGBandRGBAformatsarevalidforarendertexture"); boolbRet=false; unsignedchar*data=NULL; do { glGetIntegerv(GL_FRAMEBUFFER_BINDING,&m_nOldFBO); //texturesmustbepoweroftwosquared unsignedintpowW=(unsignedint)(w+1)/2; powW*=2; unsignedintpowH=(unsignedint)(h+1)/2; powH*=2; data=(unsignedchar*)malloc((unsignedlong)(powW*powH*4)); CC_BREAK_IF(!data); memset(data,0,(unsignedlong)(powW*powH*4)); m_ePixelFormat=eFormat; m_uPixelsWide=powW; m_uPixelsHigh=powH; glPixelStorei(GL_UNPACK_ALIGNMENT,8); glGenTextures(1,&m_uName); ccGLBindTexture2D(m_uName); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE); glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,m_uPixelsWide,m_uPixelsHigh,0,GL_RGBA,GL_UNSIGNED_BYTE,data); GLintoldRBO; glGetIntegerv(GL_RENDERBUFFER_BINDING,&oldRBO); //generateFBO glGenFramebuffers(1,&m_uFBO); glBindFramebuffer(GL_FRAMEBUFFER,m_uFBO); //associateImagewithFBO glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,m_uName,0); if(uDepthStencilFormat!=0) { //createandattachdepthbuffer glGenRenderbuffers(1,&m_uDepthRenderBufffer); glBindRenderbuffer(GL_RENDERBUFFER,m_uDepthRenderBufffer); glRenderbufferStorage(GL_RENDERBUFFER,uDepthStencilFormat,(GLsizei)powW,(GLsizei)powH); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,m_uDepthRenderBufffer); //ifdepthformatistheonewithstencilpart,bindsamerenderbufferasstencilattachment if(uDepthStencilFormat==GL_DEPTH24_STENCIL8) { glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_STENCIL_ATTACHMENT,GL_RENDERBUFFER,m_uDepthRenderBufffer); } } ////checkifitworked(probablyworthdoing:)) CCAssert(glCheckFramebufferStatus(GL_FRAMEBUFFER)==GL_FRAMEBUFFER_COMPLETE,"CouldnotattachImagetoframebuffer"); ccGLBindTexture2D(m_uName); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); CAImageView*imageView=CAImageView::createWithFrame(DRect(0,0,m_uPixelsWide,m_uPixelsHigh)); ccBlendFunctBlendFunc={GL_ONE,GL_ONE_MINUS_SRC_ALPHA}; imageView->setBlendFunc(tBlendFunc); this->addSubview(imageView); this->setImageView(imageView); glBindRenderbuffer(GL_RENDERBUFFER,oldRBO); glBindFramebuffer(GL_FRAMEBUFFER,m_nOldFBO); //Diabledbydefault. m_bAutoDraw=false; bRet=true; }while(0); CC_SAFE_FREE(data); returnbRet; }Example#40ShowfileFile: fbo.cpp Project: BadyRaty/PPSSPP-CoreFBO*fbo_create(intwidth,intheight,intnum_color_textures,boolz_stencil,FBOColorDepthcolorDepth){ CheckGLExtensions(); #ifndefUSING_GLES2 if(!gl_extensions.FBO_ARB) returnfbo_ext_create(width,height,num_color_textures,z_stencil,colorDepth); #endif FBO*fbo=newFBO(); fbo->width=width; fbo->height=height; fbo->colorDepth=colorDepth; //Colortextureissameeverywhere glGenFramebuffers(1,&fbo->handle); glGenTextures(1,&fbo->color_texture); //Createthesurfaces. glBindTexture(GL_TEXTURE_2D,fbo->color_texture); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); //TODO:Wecouldopttoonlycreate16-bitrendertargetsonslowdevices.Forlater. switch(colorDepth){ caseFBO_8888: glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,width,height,0,GL_RGBA,GL_UNSIGNED_BYTE,NULL); break; caseFBO_4444: glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,width,height,0,GL_RGBA,GL_UNSIGNED_SHORT_4_4_4_4,NULL); break; caseFBO_5551: glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,width,height,0,GL_RGBA,GL_UNSIGNED_SHORT_5_5_5_1,NULL); break; caseFBO_565: glTexImage2D(GL_TEXTURE_2D,0,GL_RGB,width,height,0,GL_RGB,GL_UNSIGNED_SHORT_5_6_5,NULL); break; } glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR); glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR); #ifdefUSING_GLES2 if(gl_extensions.OES_packed_depth_stencil){ ILOG("Creating%ix%iFBOusingDEPTH24_STENCIL8",width,height); //Standardmethod fbo->stencil_buffer=0; fbo->z_buffer=0; //24-bitZ,8-bitstencilcombined glGenRenderbuffers(1,&fbo->z_stencil_buffer); glBindRenderbuffer(GL_RENDERBUFFER,fbo->z_stencil_buffer); glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH24_STENCIL8_OES,width,height); //Binditalltogether glBindFramebuffer(GL_FRAMEBUFFER,fbo->handle); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,fbo->color_texture,0); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,fbo->z_stencil_buffer); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_STENCIL_ATTACHMENT,GL_RENDERBUFFER,fbo->z_stencil_buffer); }else{ ILOG("Creating%ix%iFBOusingseparatestencil",width,height); //TEGRA fbo->z_stencil_buffer=0; //16/24-bitZ,separate8-bitstencil glGenRenderbuffers(1,&fbo->z_buffer); glBindRenderbuffer(GL_RENDERBUFFER,fbo->z_buffer); glRenderbufferStorage(GL_RENDERBUFFER,gl_extensions.OES_depth24?GL_DEPTH_COMPONENT24:GL_DEPTH_COMPONENT16,width,height); //8-bitstencilbuffer glGenRenderbuffers(1,&fbo->stencil_buffer); glBindRenderbuffer(GL_RENDERBUFFER,fbo->stencil_buffer); glRenderbufferStorage(GL_RENDERBUFFER,GL_STENCIL_INDEX8,width,height); //Binditalltogether glBindFramebuffer(GL_FRAMEBUFFER,fbo->handle); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,fbo->color_texture,0); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,fbo->z_buffer); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_STENCIL_ATTACHMENT,GL_RENDERBUFFER,fbo->stencil_buffer); } #else fbo->stencil_buffer=0; fbo->z_buffer=0; //24-bitZ,8-bitstencil glGenRenderbuffers(1,&fbo->z_stencil_buffer); glBindRenderbuffer(GL_RENDERBUFFER,fbo->z_stencil_buffer); glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH24_STENCIL8,width,height); //Binditalltogether glBindFramebuffer(GL_FRAMEBUFFER,fbo->handle); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,fbo->color_texture,0); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,fbo->z_stencil_buffer); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_STENCIL_ATTACHMENT,GL_RENDERBUFFER,fbo->z_stencil_buffer); #endif GLenumstatus=glCheckFramebufferStatus(GL_FRAMEBUFFER); switch(status){ caseGL_FRAMEBUFFER_COMPLETE: //ILOG("Framebufferverifiedcomplete."); break; caseGL_FRAMEBUFFER_UNSUPPORTED: ELOG("GL_FRAMEBUFFER_UNSUPPORTED"); break; caseGL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: ELOG("GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT"); break; default: FLOG("Otherframebuffererror:%i",status); break; } //Unbindstatewedon'tneed glBindRenderbuffer(GL_RENDERBUFFER,0); glBindTexture(GL_TEXTURE_2D,0); returnfbo; }Example#50ShowfileFile: qglframebufferobject.cpp Project: maxxant/qtvoidQGLFramebufferObjectPrivate::init(QGLFramebufferObject*q,constQSize&sz, QGLFramebufferObject::Attachmentattachment, GLenumtexture_target,GLenuminternal_format, GLintsamples,boolmipmap) { QGLContext*ctx=const_cast(QGLContext::currentContext()); fbo_guard.setContext(ctx); boolext_detected=(QGLExtensions::glExtensions()&QGLExtensions::FramebufferObject); if(!ext_detected||(ext_detected&&!qt_resolve_framebufferobject_extensions(ctx))) return; size=sz; target=texture_target; //texturedimensions QT_RESET_GLERROR();//reseterrorstate GLuintfbo=0; glGenFramebuffers(1,&fbo); glBindFramebuffer(GL_FRAMEBUFFER_EXT,fbo); fbo_guard.setId(fbo); glDevice.setFBO(q,attachment); QT_CHECK_GLERROR(); //inittexture if(samples==0){ glGenTextures(1,&texture); glBindTexture(target,texture); glTexImage2D(target,0,internal_format,size.width(),size.height(),0, GL_RGBA,GL_UNSIGNED_BYTE,NULL); if(mipmap) glGenerateMipmap(GL_TEXTURE_2D); #ifndefQT_OPENGL_ES glTexParameteri(target,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexParameteri(target,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameteri(target,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE); glTexParameteri(target,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE); #else glTexParameterf(target,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexParameterf(target,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(target,GL_TEXTURE_WRAP_S,GL_CLAMP_TO_EDGE); glTexParameterf(target,GL_TEXTURE_WRAP_T,GL_CLAMP_TO_EDGE); #endif glFramebufferTexture2D(GL_FRAMEBUFFER_EXT,GL_COLOR_ATTACHMENT0_EXT, target,texture,0); QT_CHECK_GLERROR(); valid=checkFramebufferStatus(); glBindTexture(target,0); color_buffer=0; }else{ mipmap=false; GLintmaxSamples; glGetIntegerv(GL_MAX_SAMPLES_EXT,&maxSamples); samples=qBound(0,int(samples),int(maxSamples)); glGenRenderbuffers(1,&color_buffer); glBindRenderbuffer(GL_RENDERBUFFER_EXT,color_buffer); if(glRenderbufferStorageMultisampleEXT&&samples>0){ glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, internal_format,size.width(),size.height()); }else{ samples=0; glRenderbufferStorage(GL_RENDERBUFFER_EXT,internal_format, size.width(),size.height()); } glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT,GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT,color_buffer); QT_CHECK_GLERROR(); valid=checkFramebufferStatus(); if(valid) glGetRenderbufferParameteriv(GL_RENDERBUFFER_EXT,GL_RENDERBUFFER_SAMPLES_EXT,&samples); } //Inpractice,acombineddepth-stencilbufferissupportedbyalldesktopplatforms,whilea //separatestencilbufferisnot.Onembeddeddeviceshowever,acombineddepth-stencilbuffer //mightnotbesupportedwhileseparatebuffersare,accordingtoQTBUG-12861. if(attachment==QGLFramebufferObject::CombinedDepthStencil &&(QGLExtensions::glExtensions()&QGLExtensions::PackedDepthStencil)){ //depthandstencilbufferneedsanotherextension glGenRenderbuffers(1,&depth_buffer); Q_ASSERT(!glIsRenderbuffer(depth_buffer)); glBindRenderbuffer(GL_RENDERBUFFER_EXT,depth_buffer); Q_ASSERT(glIsRenderbuffer(depth_buffer)); if(samples!=0&&glRenderbufferStorageMultisampleEXT) glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, GL_DEPTH24_STENCIL8_EXT,size.width(),size.height()); else glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT,size.width(),size.height()); stencil_buffer=depth_buffer; glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT,GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,depth_buffer); glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT,GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,stencil_buffer); valid=checkFramebufferStatus(); if(!valid){ glDeleteRenderbuffers(1,&depth_buffer); stencil_buffer=depth_buffer=0; } } if(depth_buffer==0&&(attachment==QGLFramebufferObject::CombinedDepthStencil ||(attachment==QGLFramebufferObject::Depth))) { glGenRenderbuffers(1,&depth_buffer); Q_ASSERT(!glIsRenderbuffer(depth_buffer)); glBindRenderbuffer(GL_RENDERBUFFER_EXT,depth_buffer); Q_ASSERT(glIsRenderbuffer(depth_buffer)); if(samples!=0&&glRenderbufferStorageMultisampleEXT){ #ifdefQT_OPENGL_ES if(QGLExtensions::glExtensions()&QGLExtensions::Depth24){ glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, GL_DEPTH_COMPONENT24_OES,size.width(),size.height()); }else{ glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, GL_DEPTH_COMPONENT16,size.width(),size.height()); } #else glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, GL_DEPTH_COMPONENT,size.width(),size.height()); #endif }else{ #ifdefQT_OPENGL_ES if(QGLExtensions::glExtensions()&QGLExtensions::Depth24){ glRenderbufferStorage(GL_RENDERBUFFER_EXT,GL_DEPTH_COMPONENT24_OES, size.width(),size.height()); }else{ glRenderbufferStorage(GL_RENDERBUFFER_EXT,GL_DEPTH_COMPONENT16, size.width(),size.height()); } #else glRenderbufferStorage(GL_RENDERBUFFER_EXT,GL_DEPTH_COMPONENT,size.width(),size.height()); #endif } glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT,GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,depth_buffer); valid=checkFramebufferStatus(); if(!valid){ glDeleteRenderbuffers(1,&depth_buffer); depth_buffer=0; } } if(stencil_buffer==0&&(attachment==QGLFramebufferObject::CombinedDepthStencil)){ glGenRenderbuffers(1,&stencil_buffer); Q_ASSERT(!glIsRenderbuffer(stencil_buffer)); glBindRenderbuffer(GL_RENDERBUFFER_EXT,stencil_buffer); Q_ASSERT(glIsRenderbuffer(stencil_buffer)); if(samples!=0&&glRenderbufferStorageMultisampleEXT){ #ifdefQT_OPENGL_ES glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, GL_STENCIL_INDEX8_EXT,size.width(),size.height()); #else glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT,samples, GL_STENCIL_INDEX,size.width(),size.height()); #endif }else{ #ifdefQT_OPENGL_ES glRenderbufferStorage(GL_RENDERBUFFER_EXT,GL_STENCIL_INDEX8_EXT, size.width(),size.height()); #else glRenderbufferStorage(GL_RENDERBUFFER_EXT,GL_STENCIL_INDEX, size.width(),size.height()); #endif } glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT,GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT,stencil_buffer); valid=checkFramebufferStatus(); if(!valid){ glDeleteRenderbuffers(1,&stencil_buffer); stencil_buffer=0; } } //TheFBOmighthavebecomevalidafterremovingthedepthorstencilbuffer. valid=checkFramebufferStatus(); if(depth_buffer&&stencil_buffer){ fbo_attachment=QGLFramebufferObject::CombinedDepthStencil; }elseif(depth_buffer){ fbo_attachment=QGLFramebufferObject::Depth; }else{ fbo_attachment=QGLFramebufferObject::NoAttachment; } glBindFramebuffer(GL_FRAMEBUFFER_EXT,ctx->d_ptr->current_fbo); if(!valid){ if(color_buffer) glDeleteRenderbuffers(1,&color_buffer); else glDeleteTextures(1,&texture); if(depth_buffer) glDeleteRenderbuffers(1,&depth_buffer); if(stencil_buffer&&depth_buffer!=stencil_buffer) glDeleteRenderbuffers(1,&stencil_buffer); glDeleteFramebuffers(1,&fbo); fbo_guard.setId(0); } QT_CHECK_GLERROR(); format.setTextureTarget(target); format.setSamples(int(samples)); format.setAttachment(fbo_attachment); format.setInternalTextureFormat(internal_format); format.setMipmap(mipmap); }Example#60ShowfileFile: NGLScene.cpp Project: galek/DeferredShadingvoidNGLScene::createFrameBuffer() { //createaframebufferobjectthisisdeletedinthedtor intw=width()*devicePixelRatio(); inth=height()*devicePixelRatio(); glGenFramebuffers(1,&m_gbuffer); glBindFramebuffer(GL_FRAMEBUFFER,m_gbuffer); //createarenderbufferobjecttostoredepthinfo GLuintm_rboID; glGenRenderbuffers(1,&m_rboID); glBindRenderbuffer(GL_RENDERBUFFER,m_rboID); glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH_COMPONENT,w,h); glFramebufferRenderbuffer(GL_FRAMEBUFFER,GL_DEPTH_ATTACHMENT,GL_RENDERBUFFER,m_rboID); //createatextureobject glGenTextures(1,&m_pointTexID); //bindittomakeitactive glBindTexture(GL_TEXTURE_2D,m_pointTexID); //setparams glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexImage2D(GL_TEXTURE_2D,0,GL_RGB16F,w,h,0,GL_RGB,GL_UNSIGNED_BYTE,0); //createatextureobject glGenTextures(1,&m_normalTexID); //bindittomakeitactive glBindTexture(GL_TEXTURE_2D,m_normalTexID); //setparams glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexImage2D(GL_TEXTURE_2D,0,GL_RGB16F,w,h,0,GL_RGB,GL_UNSIGNED_BYTE,0); glGenTextures(1,&m_colourTexID); //bindittomakeitactive glBindTexture(GL_TEXTURE_2D,m_colourTexID); //setparams glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexImage2D(GL_TEXTURE_2D,0,GL_RGB16F,w,h,0,GL_RGB,GL_UNSIGNED_BYTE,0); glGenTextures(1,&m_shadingTexID); //bindittomakeitactive glBindTexture(GL_TEXTURE_2D,m_shadingTexID); //setparams glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexImage2D(GL_TEXTURE_2D,0,GL_RGB16F,w,h,0,GL_RGB,GL_UNSIGNED_BYTE,0); //Thedepthbuffer // glGenTextures(1,&m_depthTex); // glBindTexture(GL_TEXTURE_2D,m_depthTex); // glTexImage2D(GL_TEXTURE_2D,0,GL_DEPTH32F_STENCIL8,w,h,0,GL_DEPTH_COMPONENT,GL_FLOAT,NULL); // glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); // glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); //attatchthetexturewecreatedearliertotheFBO glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,m_pointTexID,0); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT1,GL_TEXTURE_2D,m_normalTexID,0); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT2,GL_TEXTURE_2D,m_colourTexID,0); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT3,GL_TEXTURE_2D,m_shadingTexID,0); //glFramebufferTexture2D(GL_FRAMEBUFFER,GL_DEPTH_STENCIL_ATTACHMENT,GL_TEXTURE_2D,m_depthTex,0); //nowattacharenderbuffertodepthattachmentpoint //GLenumdrawBuffers[]={GL_COLOR_ATTACHMENT0,GL_COLOR_ATTACHMENT1,GL_COLOR_ATTACHMENT2}; //glDrawBuffers(3,drawBuffers); //nowwearegoingtocreateabufferforthelightingpass //createaframebufferobjectthisisdeletedinthedtor glGenFramebuffers(1,&m_lightBuffer); glBindFramebuffer(GL_FRAMEBUFFER,m_lightBuffer); //createarenderbufferobjecttostoredepthinfo glGenRenderbuffers(1,&m_rboID); glBindRenderbuffer(GL_RENDERBUFFER,m_rboID); glRenderbufferStorage(GL_RENDERBUFFER,GL_DEPTH_COMPONENT,w,h); glGenTextures(1,&m_lightPassTexID); //bindittomakeitactive glBindTexture(GL_TEXTURE_2D,m_lightPassTexID); //setparams glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST); glTexParameterf(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST); glTexImage2D(GL_TEXTURE_2D,0,GL_RGB16F,w,h,0,GL_RGB,GL_UNSIGNED_BYTE,0); glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,GL_TEXTURE_2D,m_lightPassTexID,0); GLuintlightBuffers[]={GL_COLOR_ATTACHMENT0}; glDrawBuffers(1,lightBuffers); //nowgotbacktothedefaultrendercontext glBindFramebuffer(GL_FRAMEBUFFER,0); }reportthisadxx