private void initVertexArray(GL3 gl3) {
gl3.glGenVertexArrays(1, vertexArrayName);
gl3.glBindVertexArray(vertexArrayName.get(0));
{
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
{
int stride = (2 + 3) * Float.BYTES;
int offset = 0 * Float.BYTES;
gl3.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl3.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, stride, offset);
offset = 2 * Float.BYTES;
gl3.glEnableVertexAttribArray(Semantic.Attr.COLOR);
gl3.glVertexAttribPointer(Semantic.Attr.COLOR, 3, GL_FLOAT, false, stride, offset);
}
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
}
gl3.glBindVertexArray(0);
checkError(gl3, "initVao");
}
@Override
public void init(GLAutoDrawable glad) {
GL3 gl3 = glad.getGL().getGL3();
try {
shaders.add(
GLSLHelpers.createShader(gl3, getClass(), GL3.GL_VERTEX_SHADER, "glsl/simple_vs"));
shaders.add(
GLSLHelpers.createShader(gl3, getClass(), GL3.GL_FRAGMENT_SHADER, "glsl/simple_fs"));
program = GLSLHelpers.createProgram(gl3, shaders);
gl3.glGenVertexArrays(1, VAO, 0);
gl3.glBindVertexArray(VAO[0]);
gl3.glGenBuffers(1, VBO, 0);
gl3.glBindBuffer(GL3.GL_ARRAY_BUFFER, VBO[0]);
FloatBuffer buffer = GLBuffers.newDirectFloatBuffer(TRIANGLE);
gl3.glBufferData(GL3.GL_ARRAY_BUFFER, buffer.capacity() * 4, buffer, GL3.GL_STATIC_DRAW);
gl3.glEnableVertexAttribArray(0);
gl3.glVertexAttribPointer(0, 2, GL3.GL_FLOAT, false, 0, 0);
gl3.glBindVertexArray(0);
} catch (Throwable t) {
t.printStackTrace();
}
}
private boolean initVertexArray(GL3 gl3) {
gl3.glGenVertexArrays(1, vertexArrayName);
gl3.glBindVertexArray(vertexArrayName.get(0));
{
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(0));
gl3.glVertexAttribPointer(Semantic.Attr.POSITION, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, 0);
gl3.glVertexAttribPointer(
Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, Vertex_v2fv2f.SIZE, Vec2.SIZE);
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl3.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);
}
gl3.glBindVertexArray(0);
return checkError(gl3, "initVertexArray");
}
private boolean initVertexArray(GL3 gl3) {
gl3.glGenVertexArrays(1, vertexArrayName);
gl3.glBindVertexArray(vertexArrayName.get(0));
{
gl3.glBindBuffer(GL_ARRAY_BUFFER, bufferName.get(Buffer.VERTEX));
gl3.glVertexAttribPointer(
Semantic.Attr.POSITION, 2, GL_FLOAT, false, glf.Vertex_v2fv2f.SIZE, 0);
gl3.glVertexAttribPointer(
Semantic.Attr.TEXCOORD, 2, GL_FLOAT, false, glf.Vertex_v2fv2f.SIZE, Vec2.SIZE);
gl3.glBindBuffer(GL_ARRAY_BUFFER, 0);
gl3.glEnableVertexAttribArray(Semantic.Attr.POSITION);
gl3.glEnableVertexAttribArray(Semantic.Attr.TEXCOORD);
gl3.glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, bufferName.get(Buffer.ELEMENT));
}
gl3.glBindVertexArray(0);
return true;
}