/*Main Loop*/ void mainLoop() { double oldTime = glfwGetTime(), oldFrameTime = glfwGetTime(); double currentTime, deltaFrame; while (!glfwWindowShouldClose(window)) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); /*Delta*/ currentTime = glfwGetTime(); delta = (currentTime-oldTime); deltaFrame = (currentTime-oldFrameTime); nFrames++; /* Update scene elements */ world.update(); /*Draw*/ renderReflection(); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); renderScene(true); world.camera.calcMovement(keyState); world.camera.move(delta, world.sea.seaLevel + 1.0f); glfwSwapBuffers(window); glfwPollEvents(); oldTime = currentTime; } }
void LLDrawPoolWater::render(S32 pass) { LLFastTimer ftm(FTM_RENDER_WATER); if (mDrawFace.empty() || LLDrawable::getCurrentFrame() <= 1) { return; } //do a quick 'n dirty depth sort for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); iter != mDrawFace.end(); iter++) { LLFace* facep = *iter; facep->mDistance = -facep->mCenterLocal.mV[2]; } std::sort(mDrawFace.begin(), mDrawFace.end(), LLFace::CompareDistanceGreater()); LLGLEnable blend(GL_BLEND); if ((mVertexShaderLevel > 0) && !sSkipScreenCopy) { shade(); return; } LLVOSky *voskyp = gSky.mVOSkyp; stop_glerror(); if (!gGLManager.mHasMultitexture) { // Ack! No multitexture! Bail! return; } LLFace* refl_face = voskyp->getReflFace(); gPipeline.disableLights(); LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE); LLGLDisable cullFace(GL_CULL_FACE); // Set up second pass first mWaterImagep->addTextureStats(1024.f*1024.f); gGL.getTexUnit(1)->activate(); gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(1)->bind(mWaterImagep) ; LLVector3 camera_up = LLViewerCamera::getInstance()->getUpAxis(); F32 up_dot = camera_up * LLVector3::z_axis; LLColor4 water_color; if (LLViewerCamera::getInstance()->cameraUnderWater()) { water_color.setVec(1.f, 1.f, 1.f, 0.4f); } else { water_color.setVec(1.f, 1.f, 1.f, 0.5f*(1.f + up_dot)); } glColor4fv(water_color.mV); // Automatically generate texture coords for detail map glEnable(GL_TEXTURE_GEN_S); //texture unit 1 glEnable(GL_TEXTURE_GEN_T); //texture unit 1 glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR); // Slowly move over time. F32 offset = fmod(gFrameTimeSeconds*2.f, 100.f); F32 tp0[4] = {16.f/256.f, 0.0f, 0.0f, offset*0.01f}; F32 tp1[4] = {0.0f, 16.f/256.f, 0.0f, offset*0.01f}; glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0); glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1); gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_PREV_COLOR); gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_ALPHA); gGL.getTexUnit(0)->activate(); glClearStencil(1); glClear(GL_STENCIL_BUFFER_BIT); LLGLEnable gls_stencil(GL_STENCIL_TEST); glStencilOp(GL_KEEP, GL_REPLACE, GL_KEEP); glStencilFunc(GL_ALWAYS, 0, 0xFFFFFFFF); for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); iter != mDrawFace.end(); iter++) { LLFace *face = *iter; if (voskyp->isReflFace(face)) { continue; } gGL.getTexUnit(0)->bind(face->getTexture()); face->renderIndexed(); } // Now, disable texture coord generation on texture state 1 gGL.getTexUnit(1)->activate(); gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(1)->disable(); glDisable(GL_TEXTURE_GEN_S); //texture unit 1 glDisable(GL_TEXTURE_GEN_T); //texture unit 1 // Disable texture coordinate and color arrays gGL.getTexUnit(0)->activate(); gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); stop_glerror(); if (gSky.mVOSkyp->getCubeMap()) { gSky.mVOSkyp->getCubeMap()->enable(0); gSky.mVOSkyp->getCubeMap()->bind(); glMatrixMode(GL_TEXTURE); glLoadIdentity(); LLMatrix4 camera_mat = LLViewerCamera::getInstance()->getModelview(); LLMatrix4 camera_rot(camera_mat.getMat3()); camera_rot.invert(); glLoadMatrixf((F32 *)camera_rot.mMatrix); glMatrixMode(GL_MODELVIEW); LLOverrideFaceColor overrid(this, 1.f, 1.f, 1.f, 0.5f*up_dot); gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); for (std::vector<LLFace*>::iterator iter = mDrawFace.begin(); iter != mDrawFace.end(); iter++) { LLFace *face = *iter; if (voskyp->isReflFace(face)) { //refl_face = face; continue; } if (face->getGeomCount() > 0) { face->renderIndexed(); } } gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); gSky.mVOSkyp->getCubeMap()->disable(); gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE); glMatrixMode(GL_TEXTURE); glLoadIdentity(); glMatrixMode(GL_MODELVIEW); } glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); if (refl_face) { glStencilFunc(GL_NOTEQUAL, 0, 0xFFFFFFFF); renderReflection(refl_face); } gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT); }