public static void render(GL2ES1 gl, int width, int height) {
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
// draw a triangle filling the window
gl.glLoadIdentity();
ImmModeSink immModeSink =
ImmModeSink.createFixed(
3 * 3,
3,
GL.GL_FLOAT, // vertex
3,
GL.GL_FLOAT, // color
0,
GL.GL_FLOAT, // normal
0,
GL.GL_FLOAT, // texCoords
GL.GL_STATIC_DRAW);
immModeSink.glBegin(GL.GL_TRIANGLES);
immModeSink.glColor3f(1, 0, 0);
immModeSink.glVertex2f(0, 0);
immModeSink.glColor3f(0, 1, 0);
immModeSink.glVertex2f(width, 0);
immModeSink.glColor3f(0, 0, 1);
immModeSink.glVertex2f(width / 2, height);
immModeSink.glEnd(gl, true);
}
public void init(GLAutoDrawable glad) {
final GL2ES2 gl = glad.getGL().getGL2ES2();
System.err.println();
System.err.println("req. msaa: " + multisample);
System.err.println(
"Requested: "
+ glad.getNativeSurface().getGraphicsConfiguration().getRequestedCapabilities());
multisample = multisample & glad.getChosenGLCapabilities().getNumSamples() > 0;
System.err.println("Chosen : " + glad.getChosenGLCapabilities());
System.err.println("has msaa: " + multisample);
System.err.println();
final ShaderCode vp0 =
ShaderCode.create(
gl,
GL2ES2.GL_VERTEX_SHADER,
MultisampleDemoES2.class,
"shader",
"shader/bin",
"mgl_default_xxx",
true);
final ShaderCode fp0 =
ShaderCode.create(
gl,
GL2ES2.GL_FRAGMENT_SHADER,
MultisampleDemoES2.class,
"shader",
"shader/bin",
"mgl_default_xxx",
true);
vp0.defaultShaderCustomization(gl, true, true);
fp0.defaultShaderCustomization(gl, true, true);
sp0 = new ShaderProgram();
sp0.add(gl, vp0, System.err);
sp0.add(gl, fp0, System.err);
st.attachShaderProgram(gl, sp0, true);
pmvMatrixUniform = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
st.ownUniform(pmvMatrixUniform);
st.uniform(gl, pmvMatrixUniform);
// Using predef array names, see
// GLPointerFuncUtil.getPredefinedArrayIndexName(glArrayIndex);
immModeSink =
ImmModeSink.createGLSL(
40,
3,
GL.GL_FLOAT, // vertex
4,
GL.GL_FLOAT, // color
0,
GL.GL_FLOAT, // normal
0,
GL.GL_FLOAT, // texCoords
GL.GL_STATIC_DRAW,
st);
final int numSteps = 20;
final double increment = Math.PI / numSteps;
final double radius = 1;
immModeSink.glBegin(GL.GL_LINES);
for (int i = numSteps - 1; i >= 0; i--) {
immModeSink.glVertex3f(
(float) (radius * Math.cos(i * increment)),
(float) (radius * Math.sin(i * increment)),
0f);
immModeSink.glColor4f(1f, 1f, 1f, 1f);
immModeSink.glVertex3f(
(float) (-1.0 * radius * Math.cos(i * increment)),
(float) (-1.0 * radius * Math.sin(i * increment)),
0f);
immModeSink.glColor4f(1f, 1f, 1f, 1f);
}
immModeSink.glEnd(gl, false);
st.useProgram(gl, false);
}