diff options
Diffstat (limited to 'src/com/mbien/opencl/demos/julia3d/Renderer.java')
| -rw-r--r-- | src/com/mbien/opencl/demos/julia3d/Renderer.java | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/src/com/mbien/opencl/demos/julia3d/Renderer.java b/src/com/mbien/opencl/demos/julia3d/Renderer.java deleted file mode 100644 index 9266aba..0000000 --- a/src/com/mbien/opencl/demos/julia3d/Renderer.java +++ /dev/null @@ -1,203 +0,0 @@ -package com.mbien.opencl.demos.julia3d; - -import com.mbien.opencl.demos.julia3d.structs.RenderingConfig; -import com.jogamp.opengl.util.awt.TextRenderer; -import java.awt.Dimension; -import java.awt.Font; -import java.nio.FloatBuffer; -import java.util.Timer; -import java.util.TimerTask; -import javax.media.opengl.GL2; -import javax.media.opengl.GLAutoDrawable; -import javax.media.opengl.GLCapabilities; -import javax.media.opengl.GLEventListener; -import javax.media.opengl.GLProfile; -import javax.media.opengl.awt.GLCanvas; -import javax.swing.JFrame; - -import static com.jogamp.common.nio.Buffers.*; -import static javax.media.opengl.GL2.*; -import static java.lang.String.*; - -/** - * JOGL renderer for displaying the julia set. - * @author Michael Bien - */ -public class Renderer implements GLEventListener { - - public final static int MU_RECT_SIZE = 80; - - private final Julia3d julia3d; - private final GLCanvas canvas; - private final RenderingConfig config; - private final FloatBuffer juliaSlice; - private final UserSceneController usi; - private final TextRenderer textRenderer; - - private TimerTask task; - private final Timer timer; - - public Renderer(Julia3d julia3d) { - this.julia3d = julia3d; - this.config = julia3d.config; - - timer = new Timer(); - - juliaSlice = newDirectFloatBuffer(MU_RECT_SIZE * MU_RECT_SIZE * 4); - - canvas = new GLCanvas(new GLCapabilities(GLProfile.get(GLProfile.GL2))); - canvas.addGLEventListener(this); - - usi = new UserSceneController(); - usi.init(this, canvas, config); - - JFrame frame = new JFrame("Java OpenCL - Julia3D GPU"); - frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); - canvas.setPreferredSize(new Dimension(config.getWidth(), config.getHeight())); - frame.add(canvas); - frame.pack(); - - textRenderer = new TextRenderer(frame.getFont().deriveFont(Font.BOLD, 14), true, true, null, false); - - frame.setVisible(true); - } - - public void init(GLAutoDrawable drawable) { - drawable.getGL().getGL2().glMatrixMode(GL_PROJECTION); - } - - void update() { - julia3d.update(false); - canvas.display(); - } - - public void display(GLAutoDrawable drawable) { - - //compute - julia3d.compute(config.getActvateFastRendering() == 1); - - GL2 gl = drawable.getGL().getGL2(); - gl.glClear(GL_COLOR_BUFFER_BIT); - - // draw julia set - gl.glRasterPos2i(0, 0); - gl.glDrawPixels(config.getWidth(), config.getHeight(), GL_RGB, GL_FLOAT, julia3d.getPixelBuffer()); - - - // Draw Mu constant - int width = config.getWidth(); - int height = config.getHeight(); - float[] mu = config.getMu(); - - gl.glEnable(GL_BLEND); - gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - int baseMu1 = width - MU_RECT_SIZE - 2; - int baseMu2 = 1; - drawJuliaSlice(gl, baseMu1, baseMu2, mu[0], mu[1]); - int baseMu3 = width - MU_RECT_SIZE - 2; - int baseMu4 = MU_RECT_SIZE + 2; - drawJuliaSlice(gl, baseMu3, baseMu4, mu[2], mu[3]); - gl.glDisable(GL_BLEND); - - gl.glColor3f(1, 1, 1); - int mu1 = (int) (baseMu1 + MU_RECT_SIZE * (mu[0] + 1.5f) / 3.f); - int mu2 = (int) (baseMu2 + MU_RECT_SIZE * (mu[1] + 1.5f) / 3.f); - gl.glBegin(GL_LINES); - gl.glVertex2i(mu1 - 4, mu2); - gl.glVertex2i(mu1 + 4, mu2); - gl.glVertex2i(mu1, mu2 - 4); - gl.glVertex2i(mu1, mu2 + 4); - gl.glEnd(); - - int mu3 = (int) (baseMu3 + MU_RECT_SIZE * (mu[2] + 1.5f) / 3.f); - int mu4 = (int) (baseMu4 + MU_RECT_SIZE * (mu[3] + 1.5f) / 3.f); - gl.glBegin(GL_LINES); - gl.glVertex2i(mu3 - 4, mu4); - gl.glVertex2i(mu3 + 4, mu4); - gl.glVertex2i(mu3, mu4 - 4); - gl.glVertex2i(mu3, mu4 + 4); - gl.glEnd(); - - // info text - textRenderer.beginRendering(width, height); - textRenderer.draw(format("Epsilon %.5f - Max. Iter. %d", config.getEpsilon(), config.getMaxIterations()), 8, 10); - textRenderer.draw(format("Mu = (%.3f, %.3f, %.3f, %.3f)", mu[0], mu[1], mu[2], mu[3]), 8, 25); - textRenderer.draw(format("Shadow %s - SuperSampling %dx%d - Fast rendering %s", - config.getEnableShadow() == 1 ? "on" : "off", - config.getSuperSamplingSize(), config.getSuperSamplingSize(), - config.getActvateFastRendering() == 1 ? "on" : "off"), 8, 40); - textRenderer.endRendering(); - - // timer task scheduling, delay gpu intensive high quality rendering - if(task != null) { - task.cancel(); - } - if(config.getActvateFastRendering() == 1) { - task = new TimerTask() { - @Override - public void run() { - config.setActvateFastRendering(0); - update(); - config.setActvateFastRendering(1); - } - }; - timer.schedule(task, 2000); - } - } - - private void drawJuliaSlice(GL2 gl, int origX, int origY, float cR, float cI) { - - int index = 0; - float invSize = 3.0f / MU_RECT_SIZE; - for (int i = 0; i < MU_RECT_SIZE; ++i) { - for (int j = 0; j < MU_RECT_SIZE; ++j) { - - float x = i * invSize - 1.5f; - float y = j * invSize - 1.5f; - - int iter; - for (iter = 0; iter < 64; ++iter) { - float x2 = x * x; - float y2 = y * y; - if (x2 + y2 > 4.0f) { - break; - } - - float newx = x2 - y2 + cR; - float newy = 2.f * x * y + cI; - x = newx; - y = newy; - } - - juliaSlice.put(index++, iter / 64.0f); - juliaSlice.put(index++, 0.0f); - juliaSlice.put(index++, 0.0f); - juliaSlice.put(index++, 0.5f); - } - } - - gl.glRasterPos2i(origX, origY); - gl.glDrawPixels(MU_RECT_SIZE, MU_RECT_SIZE, GL_RGBA, GL_FLOAT, juliaSlice); - } - - - public void reshape(GLAutoDrawable drawable, int x, int y, int newWidth, int newHeight) { - - config.setWidth(newWidth); - config.setHeight(newHeight); - - GL2 gl = drawable.getGL().getGL2(); - - gl.glViewport(0, 0, newWidth, newHeight); - gl.glLoadIdentity(); - gl.glOrtho(-0.5f, newWidth - 0.5f, -0.5f, newHeight - 0.5f, -1.0f, 1.0f); - - julia3d.update(true); - - } - - public void dispose(GLAutoDrawable drawable) { - } - - -} |