public void CompileShader() {
glLinkProgram(program);
if (glGetProgrami(program, GL_LINK_STATUS) == 0) {
System.err.println(glGetShaderInfoLog(program, 1024));
System.exit(1);
}
glValidateProgram(program);
if (glGetProgrami(program, GL_VALIDATE_STATUS) == 0) {
System.err.println(glGetShaderInfoLog(program, 1024));
System.exit(1);
}
}
@Override
protected void init() {
initializeProgram();
try {
cylinderMesh = new Mesh("UnitCylinder.xml");
planeMesh = new Mesh("LargePlane.xml");
} catch (Exception exception) {
exception.printStackTrace();
System.exit(-1);
}
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
glEnable(GL_DEPTH_TEST);
glDepthMask(true);
glDepthFunc(GL_LEQUAL);
glDepthRange(0.0f, 1.0f);
glEnable(GL_DEPTH_CLAMP);
projectionUniformBuffer = glGenBuffers();
glBindBuffer(GL_UNIFORM_BUFFER, projectionUniformBuffer);
glBufferData(GL_UNIFORM_BUFFER, ProjectionBlock.SIZE, GL_DYNAMIC_DRAW);
// Bind the static buffers.
glBindBufferRange(
GL_UNIFORM_BUFFER, projectionBlockIndex, projectionUniformBuffer, 0, ProjectionBlock.SIZE);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
public Shader() {
program = glCreateProgram();
uniforms = new HashMap<String, Integer>();
if (program == 0) {
System.err.println(
"Shader creation failed: Could not find valid memory location in constructor.");
System.exit(1);
}
}
protected void addProgram(String text, int type) {
int shader = glCreateShader(type);
if (shader == 0) {
System.err.println(
"Shader creation failed: Could not find valid memory location when adding shader.");
System.exit(1);
}
glShaderSource(shader, text);
glCompileShader(shader);
if (glGetShaderi(shader, GL_COMPILE_STATUS) == 0) {
System.err.println(glGetShaderInfoLog(shader, 1024));
System.exit(1);
}
glAttachShader(program, shader);
}
@Override
protected void init() {
initializePrograms();
try {
realHallway = new Mesh("RealHallway.xml");
fauxHallway = new Mesh("FauxHallway.xml");
} catch (Exception exception) {
exception.printStackTrace();
System.exit(-1);
}
}
private static void setUpDisplay() {
try {
Display.setDisplayMode(new DisplayMode(640, 480));
Display.setVSyncEnabled(true);
Display.setTitle("Core Lighting Demo");
Display.create();
} catch (LWJGLException e) {
System.err.println("The display wasn't initialized correctly. :(");
Display.destroy();
System.exit(1);
}
}
private static void setUpVBOs() {
int[] vbos;
try {
model = OBJLoader.loadModel(new File(MODEL_LOCATION));
int vboVertexHandle = glGenBuffers();
int vboNormalHandle = glGenBuffers();
FloatBuffer vertices = BufferTools.reserveData(model.faces.size() * 9);
FloatBuffer normals = BufferTools.reserveData(model.faces.size() * 9);
for (Face face : model.faces) {
vertices.put(BufferTools.asFloats(model.vertices.get((int) face.vertex.x - 1)));
vertices.put(BufferTools.asFloats(model.vertices.get((int) face.vertex.y - 1)));
vertices.put(BufferTools.asFloats(model.vertices.get((int) face.vertex.z - 1)));
normals.put(BufferTools.asFloats(model.normals.get((int) face.normal.x - 1)));
normals.put(BufferTools.asFloats(model.normals.get((int) face.normal.y - 1)));
normals.put(BufferTools.asFloats(model.normals.get((int) face.normal.z - 1)));
}
vertices.flip();
normals.flip();
glBindBuffer(GL_ARRAY_BUFFER, vboVertexHandle);
glBufferData(GL_ARRAY_BUFFER, vertices, GL_STATIC_DRAW);
glEnableVertexAttribArray(attributeVertex);
glVertexAttribPointer(attributeVertex, 3, false, 0, vertices);
glBindBuffer(GL_ARRAY_BUFFER, vboNormalHandle);
glEnableVertexAttribArray(attributeNormal);
glBufferData(GL_ARRAY_BUFFER, normals, GL_STATIC_DRAW);
glNormalPointer(GL_FLOAT, 0, 0L);
// TODO: This really isn't finished yet. :-(
} catch (FileNotFoundException e) {
e.printStackTrace();
cleanUp();
System.exit(1);
} catch (IOException e) {
e.printStackTrace();
cleanUp();
System.exit(1);
}
}
void renderLoop() {
long startTime = System.currentTimeMillis() + 5000;
long fps = 0;
while (glfwWindowShouldClose(window.handle) == GLFW_FALSE) {
Runnable event;
while ((event = events.poll()) != null) event.run();
try {
display();
} catch (Exception e) {
e.printStackTrace();
break;
}
glfwSwapBuffers(window.handle);
if (startTime > System.currentTimeMillis()) {
fps++;
} else {
long timeUsed = 5000 + (startTime - System.currentTimeMillis());
startTime = System.currentTimeMillis() + 5000;
log(
String.format(
"%s: %d frames in 5 seconds = %.2f",
getPlatformInfoStringUTF8(platform, CL_PLATFORM_VENDOR),
fps,
fps / (timeUsed / 1000f)));
fps = 0;
}
}
cleanup();
window.signal.countDown();
}
public static void main(String[] args) {
setUpDisplay();
setUpVBOs();
setUpCamera();
setUpShaders();
setUpLighting();
while (!Display.isCloseRequested()) {
render();
checkInput();
Display.update();
Display.sync(60);
}
cleanUp();
System.exit(0);
}
public static String LoadShader(String filename) {
StringBuilder shaderSource = new StringBuilder();
BufferedReader shaderReader = null;
try {
shaderReader = new BufferedReader(new FileReader("./resource/shaders/" + filename));
String line;
while ((line = shaderReader.readLine()) != null) {
shaderSource.append(line).append("\n");
}
shaderReader.close();
} catch (Exception exception) {
exception.printStackTrace();
System.exit(1);
}
return shaderSource.toString();
}