public void draw() {
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glVertexAttribPointer(0, 3, GL_FLOAT, false, Vertex.SIZE * 4, 0);
glDrawArrays(GL_TRIANGLES, 0, size);
glDisableVertexAttribArray(0);
}
private static void render() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
camera.applyTranslations();
glUseProgram(currentShaderProgram);
glLight(
GL_LIGHT0,
GL_POSITION,
BufferTools.asFlippedFloatBuffer(camera.x(), camera.y(), camera.z(), 1));
glDrawArrays(GL_TRIANGLES, 0, model.faces.size() * 3);
}
public static void main(String[] args) {
Window window = new Window(1024, 768, false);
window.setTitle("Hello OpenGL!");
window.setVisible(true);
int vertexCount = 3;
int floatSize = 4;
FloatBuffer buffer = createFloatBuffer(vertexCount * 3 + vertexCount * 4);
buffer.put(0).put(0.5f).put(0);
buffer.put(1).put(0).put(0).put(1);
buffer.put(-0.5f).put(-0.5f).put(0);
buffer.put(0).put(1).put(0).put(1);
buffer.put(0.5f).put(-0.5f).put(0);
buffer.put(0).put(0).put(1).put(1);
buffer.flip();
/*IntBuffer indices = ByteBuffer.allocateDirect(3 * 4).order(ByteOrder.nativeOrder()).asIntBuffer();
indices.put(0).put(1).put(2);
indices.flip();*/
int vbo = glGenBuffers();
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, buffer, GL_STATIC_DRAW);
while (!window.isCloseRequested()) {
window.pollEvents();
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glVertexPointer(3, GL_FLOAT, 7 * floatSize, 0);
glColorPointer(4, GL_FLOAT, 7 * floatSize, 3 * floatSize);
glDrawArrays(GL_TRIANGLES, 0, 3);
window.swap();
window.sleep(16);
}
window.destroy();
}
private void renderGL() {
glClear(GL_COLOR_BUFFER_BIT);
// draw slices
if (!syncGLtoCL) {
glWaitSync(glFenceFromCLEvent, 0, 0);
glDeleteSync(glFenceFromCLEvent);
glFenceFromCLEvent = NULL;
int errcode = clReleaseEvent(clEvent);
clEvent = NULL;
checkCLError(errcode);
}
glBindTexture(GL_TEXTURE_2D, glTexture);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
private static void render() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
cam.applyTranslations();
glUseProgram(shaderProgram);
glLight(GL_LIGHT0, GL_POSITION, asFloatBuffer(cam.x(), cam.y(), cam.z(), 1));
glBindBuffer(GL_ARRAY_BUFFER, vboVertexHandle);
glVertexPointer(3, GL_FLOAT, 0, 0L);
glBindBuffer(GL_ARRAY_BUFFER, vboNormalHandle);
glNormalPointer(GL_FLOAT, 0, 0L);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glColor3f(0.4f, 0.27f, 0.17f);
glMaterialf(GL_FRONT, GL_SHININESS, 10f);
glDrawArrays(GL_TRIANGLES, 0, model.faces.size() * 3);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glUseProgram(0);
}
/** @Info fait le rendu du vbo */
public void renderVBO() {
glBindBuffer(GL_ARRAY_BUFFER, vboID);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glVertexPointer(3, GL_FLOAT, (3 + 4) * FLOAT_SIZE, 0);
glColorPointer(4, GL_FLOAT, (3 + 4) * FLOAT_SIZE, 3 * FLOAT_SIZE);
// x,y,z,r,g,b,a,nx,ny,nz
// glVertexPointer(3, GL_FLOAT, (3 + 4 + 3) * FLOAT_SIZE, 0);
// glColorPointer(4, GL_FLOAT, (3 + 4 + 3) * FLOAT_SIZE, 3 * FLOAT_SIZE);
// glNormalPointer(4, GL_FLOAT, (3 + 4 + 3) * FLOAT_SIZE, (3 + 4) * FLOAT_SIZE);
// glVertexAttribPointer(0,3,GL_FLOAT,false,7 * 4,0);
// glVertexAttribPointer(1,4,GL_FLOAT,false,7 * 4,12);
glDrawArrays(GL_QUADS, 0, bufferSize);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
}
public void draw() {
if (ibo > 0) glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_BYTE, 0);
else glDrawArrays(GL_TRIANGLES, 0, count);
}
