int main(int argc, char** argv) { glutInit(&argc, argv); glutInitWindowSize(512, 512); glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB); glutCreateWindow("AGV example"); glutVisibilityFunc(visible); if (Rotating) glutIdleFunc(rotatethering); /* * let AGV know if it can mess with the idle function (if we've * just installed an idle function, we tell AGV it can't touch it) */ agvInit(!Rotating); /* * agvInit() installs mouse, motion, and keyboard handles, but * we don't care for this example cause we only use right button menu */ agvMakeAxesList(AXES); /* create AGV axes */ myGLInit(); MakeDisplayLists(); MenuInit(); glutDisplayFunc(display); glutMainLoop(); return 0; /* ANSI C requires main to return int. */ }
int GLinitialize() { glViewport(rRatioRect.left, // init viewport by ratio rect iResY-(rRatioRect.top+rRatioRect.bottom), rRatioRect.right, rRatioRect.bottom); glScissor(0, 0, iResX, iResY); // init clipping (fullscreen) glEnable(GL_SCISSOR_TEST); #ifndef OWNSCALE glMatrixMode(GL_TEXTURE); // init psx tex sow and tow if not "ownscale" glLoadIdentity(); glScalef(1.0f/255.99f,1.0f/255.99f,1.0f); // geforce precision hack #endif glMatrixMode(GL_PROJECTION); // init projection with psx resolution glLoadIdentity(); glOrtho(0,PSXDisplay.DisplayMode.x, PSXDisplay.DisplayMode.y, 0, -1, 1); if(iZBufferDepth) // zbuffer? { uiBufferBits=GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT; glEnable(GL_DEPTH_TEST); glDepthFunc(GL_ALWAYS); iDepthFunc=1; } else // no zbuffer? { uiBufferBits=GL_COLOR_BUFFER_BIT; glDisable(GL_DEPTH_TEST); } glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // first buffer clear glClear(uiBufferBits); if(bUseLines) // funny lines { glPolygonMode(GL_FRONT, GL_LINE); glPolygonMode(GL_BACK, GL_LINE); } else // or the real filled thing { glPolygonMode(GL_FRONT, GL_FILL); glPolygonMode(GL_BACK, GL_FILL); } MakeDisplayLists(); // lists for menu/opaque GetExtInfos(); // get ext infos SetExtGLFuncs(); // init all kind of stuff (tex function pointers) glEnable(GL_ALPHA_TEST); // wanna alpha test if(!bUseAntiAlias) // no anti-alias (default) { glDisable(GL_LINE_SMOOTH); glDisable(GL_POLYGON_SMOOTH); glDisable(GL_POINT_SMOOTH); } else // wanna try it? glitches galore... { glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST); glEnable(GL_LINE_SMOOTH); glEnable(GL_POLYGON_SMOOTH); glEnable(GL_POINT_SMOOTH); glHint(GL_LINE_SMOOTH_HINT,GL_NICEST); glHint(GL_POINT_SMOOTH_HINT,GL_NICEST); glHint(GL_POLYGON_SMOOTH_HINT,GL_NICEST); } ubGloAlpha=127; // init some drawing vars ubGloColAlpha=127; TWin.UScaleFactor = 1; TWin.VScaleFactor = 1; bDrawMultiPass=FALSE; bTexEnabled=FALSE; bUsingTWin=FALSE; if(bDrawDither) glEnable(GL_DITHER); // dither mode else glDisable(GL_DITHER); glDisable(GL_FOG); // turn all (currently) unused modes off glDisable(GL_LIGHTING); glDisable(GL_LOGIC_OP); glDisable(GL_STENCIL_TEST); glDisable(GL_TEXTURE_1D); glDisable(GL_TEXTURE_2D); glDisable(GL_CULL_FACE); glPixelTransferi(GL_RED_SCALE, 1); // to be sure: glPixelTransferi(GL_RED_BIAS, 0); // init more OGL vals glPixelTransferi(GL_GREEN_SCALE, 1); glPixelTransferi(GL_GREEN_BIAS, 0); glPixelTransferi(GL_BLUE_SCALE, 1); glPixelTransferi(GL_BLUE_BIAS, 0); glPixelTransferi(GL_ALPHA_SCALE, 1); glPixelTransferi(GL_ALPHA_BIAS, 0); printf(glGetString(GL_VENDOR)); // linux: tell user what is getting used printf("\n"); printf(glGetString(GL_RENDERER)); printf("\n"); glFlush(); // we are done... glFinish(); CreateScanLines(); // setup scanline stuff (if wanted) CheckTextureMemory(); // check available tex memory if(bKeepRatio) SetAspectRatio(); // set ratio if(iShowFPS) // user wants FPS display on startup? { ulKeybits|=KEY_SHOWFPS; // -> ok, turn display on szDispBuf[0]=0; BuildDispMenu(0); } bIsFirstFrame = FALSE; // we have survived the first frame :) return 0; }