diff options
Diffstat (limited to 'src/demos/instancedRendering')
| -rw-r--r-- | src/demos/instancedRendering/ ManyTriangleInstanced.java (renamed from src/demos/instancedRendering/ManyTriangleInstanced.java) | 4 | ||||
| -rw-r--r-- | src/demos/instancedRendering/IInstancedRenderingView.java | 33 | ||||
| -rw-r--r-- | src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateNewt.java | 110 | ||||
| -rw-r--r-- | src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateSwing.java | 103 | ||||
| -rw-r--r-- | src/demos/instancedRendering/TriangleInstancedRendererWithShaderState.java | 269 | ||||
| -rw-r--r-- | src/demos/instancedRendering/TrianglesInstancedRendererHardcoded.java | 285 | ||||
| -rw-r--r-- | src/demos/instancedRendering/shader/triangles.fp | 15 | ||||
| -rw-r--r-- | src/demos/instancedRendering/shader/triangles.vp | 17 |
8 files changed, 3 insertions, 833 deletions
diff --git a/src/demos/instancedRendering/ManyTriangleInstanced.java b/src/demos/instancedRendering/ ManyTriangleInstanced.java index c236f86..9f8e329 100644 --- a/src/demos/instancedRendering/ManyTriangleInstanced.java +++ b/src/demos/instancedRendering/ ManyTriangleInstanced.java @@ -41,9 +41,11 @@ import javax.media.opengl.awt.GLCanvas; import javax.swing.JFrame; import javax.swing.SwingUtilities; +import com.jogamp.opengl.test.junit.jogl.demos.gl4.IView; +import com.jogamp.opengl.test.junit.jogl.demos.gl4.TrianglesInstancedRendererHardcoded; import com.jogamp.opengl.util.FPSAnimator; -public class ManyTriangleInstanced implements IInstancedRenderingView { +public class ManyTriangleInstanced implements IView { private final JFrame frame; private final FPSAnimator animator; diff --git a/src/demos/instancedRendering/IInstancedRenderingView.java b/src/demos/instancedRendering/IInstancedRenderingView.java deleted file mode 100644 index e76db6a..0000000 --- a/src/demos/instancedRendering/IInstancedRenderingView.java +++ /dev/null @@ -1,33 +0,0 @@ -/** - * Copyright 2014 JogAmp Community. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are those of the - * authors and should not be interpreted as representing official policies, either expressed - * or implied, of JogAmp Community. - */ - - package com.jogamp.opengl.test.junit.jogl.demos.gl4; - -public interface IInstancedRenderingView { - float getScale(); -} diff --git a/src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateNewt.java b/src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateNewt.java deleted file mode 100644 index 63437dd..0000000 --- a/src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateNewt.java +++ /dev/null @@ -1,110 +0,0 @@ -/** - * Copyright 2014 JogAmp Community. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are those of the - * authors and should not be interpreted as representing official policies, either expressed - * or implied, of JogAmp Community. - */ - -package demos.instancedRendering; - -import javax.media.opengl.GLCapabilities; -import javax.media.opengl.GLProfile; -import javax.swing.SwingUtilities; - -import com.jogamp.newt.event.MouseAdapter; -import com.jogamp.newt.event.MouseEvent; -import com.jogamp.newt.event.WindowAdapter; -import com.jogamp.newt.event.WindowEvent; -import com.jogamp.newt.opengl.GLWindow; -import com.jogamp.opengl.util.FPSAnimator; - -public class ManyTriangleInstancedWithShaderStateNewt implements IInstancedRenderingView { - - protected float winScale = 0.1f; - private static final float WIN_SCALE_MIN = 1e-3f; - private static final float WIN_SCALE_MAX = 100f; - private final FPSAnimator animator; - - public static void main(String[] args) { - SwingUtilities.invokeLater(new Runnable() { - @Override - public void run() { - new ManyTriangleInstancedWithShaderStateNewt(); - } - }); - } - - public ManyTriangleInstancedWithShaderStateNewt() { - TriangleInstancedRendererWithShaderState renderer = new TriangleInstancedRendererWithShaderState(this); - - GLProfile prof = GLProfile.get(GLProfile.GL4); - GLCapabilities caps = new GLCapabilities(prof); - GLWindow glWindow = GLWindow.create(caps); - - glWindow.addGLEventListener(renderer); - - glWindow.addMouseListener(new MouseAdapter() { - - @Override - public void mouseWheelMoved(MouseEvent e) { - float[] step = e.getRotation(); - if(step[1] > 0) { - winScale *= 1.05; - if(winScale > WIN_SCALE_MAX) winScale = WIN_SCALE_MAX; - } else if(0 > step[1] ) { - winScale *= 0.95; - if(winScale < WIN_SCALE_MIN) winScale = WIN_SCALE_MIN; - } - } - }); - - glWindow.addWindowListener(new WindowAdapter() { - - @Override - public void windowDestroyed(WindowEvent evt) { - if(animator.isAnimating()) animator.stop(); - } - - @Override - public void windowDestroyNotify(WindowEvent evt) { - animator.stop(); - } - }); - - animator = new FPSAnimator(glWindow, 60, true); - animator.start(); - - glWindow.setTitle("Instanced rendering experiment"); - glWindow.setSize(1024, 768); - glWindow.setUndecorated(false); - glWindow.setPointerVisible(true); - glWindow.setVisible(true); - } - - @Override - public float getScale() { - return winScale; - } - -} diff --git a/src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateSwing.java b/src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateSwing.java deleted file mode 100644 index 2111a08..0000000 --- a/src/demos/instancedRendering/ManyTriangleInstancedWithShaderStateSwing.java +++ /dev/null @@ -1,103 +0,0 @@ -/** - * Copyright 2014 JogAmp Community. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF - * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * The views and conclusions contained in the software and documentation are those of the - * authors and should not be interpreted as representing official policies, either expressed - * or implied, of JogAmp Community. - */ - -package demos.instancedRendering; - -import java.awt.BorderLayout; -import java.awt.Dimension; -import java.awt.event.MouseWheelEvent; -import java.awt.event.MouseWheelListener; -import java.awt.event.WindowAdapter; -import java.awt.event.WindowEvent; - -import javax.media.opengl.GLCapabilities; -import javax.media.opengl.GLProfile; -import javax.media.opengl.awt.GLCanvas; -import javax.swing.JFrame; -import javax.swing.SwingUtilities; - -import com.jogamp.opengl.util.FPSAnimator; - -public class ManyTriangleInstancedWithShaderStateSwing implements IInstancedRenderingView { - protected float winScale = 0.1f; - private static final float WIN_SCALE_MIN = 1e-3f; - private static final float WIN_SCALE_MAX = 100f; - private final FPSAnimator animator; - - public static void main(String[] args) { - SwingUtilities.invokeLater(new Runnable() { - @Override - public void run() { - new ManyTriangleInstancedWithShaderStateSwing(); - } - }); - } - - public ManyTriangleInstancedWithShaderStateSwing() { - TriangleInstancedRendererWithShaderState renderer = new TriangleInstancedRendererWithShaderState(this); - - JFrame frame = new JFrame(this.getClass().getSimpleName()); - frame.setLayout(new BorderLayout()); - frame.addWindowListener(new WindowAdapter() { - @Override - public void windowClosing(WindowEvent e) { - animator.stop(); - System.exit(0); - } - }); - GLCanvas canvas = new GLCanvas(new GLCapabilities(GLProfile.get(GLProfile.GL4))); - canvas.addGLEventListener(renderer); - - frame.addMouseWheelListener(new MouseWheelListener() { - - @Override - public void mouseWheelMoved(MouseWheelEvent e) { - int step = e.getWheelRotation(); - if(step > 0) { - winScale *= 1.05; - if(winScale > WIN_SCALE_MAX) winScale = WIN_SCALE_MAX; - } else if(0 > step ) { - winScale *= 0.95; - if(winScale < WIN_SCALE_MIN) winScale = WIN_SCALE_MIN; - } - } - }); - - canvas.setPreferredSize(new Dimension(1024, 768)); - frame.add(canvas, BorderLayout.CENTER); - frame.pack(); - frame.setVisible(true); - animator = new FPSAnimator(canvas, 60, true); - animator.start(); - } - - @Override - public float getScale() { - return winScale; - } -} diff --git a/src/demos/instancedRendering/TriangleInstancedRendererWithShaderState.java b/src/demos/instancedRendering/TriangleInstancedRendererWithShaderState.java deleted file mode 100644 index 9ba0c8d..0000000 --- a/src/demos/instancedRendering/TriangleInstancedRendererWithShaderState.java +++ /dev/null @@ -1,269 +0,0 @@ -package com.jogamp.opengl.test.junit.jogl.demos.gl4; - -import java.io.File; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.PrintStream; -import java.nio.FloatBuffer; -import java.util.Random; - -import javax.media.opengl.DebugGL4; -import javax.media.opengl.GL; -import javax.media.opengl.GL2; -import javax.media.opengl.GL2ES2; -import javax.media.opengl.GL4; -import javax.media.opengl.GLAutoDrawable; -import javax.media.opengl.GLEventListener; -import javax.media.opengl.GLException; -import javax.media.opengl.GLUniformData; -import javax.media.opengl.TraceGL4; - -import com.jogamp.opengl.math.Matrix4; -import com.jogamp.opengl.util.GLArrayDataClient; -import com.jogamp.opengl.util.GLArrayDataServer; -import com.jogamp.opengl.util.PMVMatrix; -import com.jogamp.opengl.util.glsl.ShaderCode; -import com.jogamp.opengl.util.glsl.ShaderProgram; -import com.jogamp.opengl.util.glsl.ShaderState; - -public class TriangleInstancedRendererWithShaderState implements GLEventListener { - private float aspect; - - private static final String shaderBasename = "triangles"; -// private static final boolean useInterleaved = false; - private static final boolean useInterleaved = true; - - private ShaderState st; - private PMVMatrix projectionMatrix; - private GLUniformData projectionMatrixUniform; - private GLUniformData transformMatrixUniform; - - private GLArrayDataServer interleavedVBO; - private GLArrayDataClient verticesVBO; - private GLArrayDataClient colorsVBO; - - private static final int NO_OF_INSTANCE = 30; - private final FloatBuffer triangleTransform = FloatBuffer.allocate(16 * NO_OF_INSTANCE); - private final Matrix4[] mat = new Matrix4[NO_OF_INSTANCE]; - private final float[] rotationSpeed = new float[NO_OF_INSTANCE]; - - private static final boolean useTraceGL = false; - private PrintStream stream; - private final IInstancedRenderingView view; - - private boolean isInitialized = false; - - public TriangleInstancedRendererWithShaderState(IInstancedRenderingView view) { - this.view = view; - - if(useTraceGL) { - try { - stream = new PrintStream(new FileOutputStream(new File("instanced-with-st.txt"))); - } catch (IOException e1) { - e1.printStackTrace(); - } - } - - initTransform(); - } - - private void initTransform() { - Random rnd = new Random(); - for(int i = 0; i < NO_OF_INSTANCE; i++) { - rotationSpeed[i] = 0.3f * rnd.nextFloat(); - mat[i] = new Matrix4(); - mat[i].loadIdentity(); - float scale = 1f + 4 * rnd.nextFloat(); - mat[i].scale(scale, scale, scale); - //setup initial position of each triangle - mat[i].translate(20f * rnd.nextFloat() - 10f, - 10f * rnd.nextFloat() - 5f, - 0f); - } - } - - @Override - public void init(GLAutoDrawable drawable) { - GL4 gl = drawable.getGL().getGL4(); - drawable.setGL(new DebugGL4(gl)); - if(useTraceGL) { - drawable.setGL(new TraceGL4(gl, stream)); - } - - gl.glClearColor(1, 1, 1, 1); //white background -// gl.glClearColor(0, 0, 0, 1); //black background - gl.glClearDepth(1.0f); - - System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities()); - System.err.println("INIT GL IS: " + gl.getClass().getName()); - System.err.println("GL_VENDOR: " + gl.glGetString(GL4.GL_VENDOR)); - System.err.println("GL_RENDERER: " + gl.glGetString(GL4.GL_RENDERER)); - System.err.println("GL_VERSION: " + gl.glGetString(GL4.GL_VERSION)); - - initShader(gl); - projectionMatrix = new PMVMatrix(); - projectionMatrixUniform = new GLUniformData("mgl_PMatrix", 4, 4, projectionMatrix.glGetPMatrixf()); - st.ownUniform(projectionMatrixUniform); - if(!st.uniform(gl, projectionMatrixUniform)) { - throw new GLException("Error setting mgl_PMatrix in shader: " + st); - } - - transformMatrixUniform = new GLUniformData("mgl_MVMatrix", 4, 4, triangleTransform); - - st.ownUniform(transformMatrixUniform); - if(!st.uniform(gl, transformMatrixUniform)) { - throw new GLException("Error setting mgl_MVMatrix in shader: " + st); - } - - if(useInterleaved) { - initVBO_interleaved(gl); - } else { - initVBO_nonInterleaved(gl); - } - - isInitialized = true; - } - - @Override - public void display(GLAutoDrawable drawable) { - if(!isInitialized ) return; - - GL4 gl = drawable.getGL().getGL4(); - gl.glClear(GL4.GL_COLOR_BUFFER_BIT | GL4.GL_DEPTH_BUFFER_BIT); - - st.useProgram(gl, true); - projectionMatrix.glMatrixMode(GL2.GL_PROJECTION); - projectionMatrix.glPushMatrix(); - - float winScale = 0.1f; - if(view != null) winScale = view.getScale(); - projectionMatrix.glScalef(winScale, winScale, winScale); - projectionMatrix.update(); - st.uniform(gl, projectionMatrixUniform); - projectionMatrix.glPopMatrix(); - - generateTriangleTransform(); - st.uniform(gl, transformMatrixUniform); - if(useInterleaved) { - interleavedVBO.enableBuffer(gl, true); - } else { - verticesVBO.enableBuffer(gl, true); - colorsVBO.enableBuffer(gl, true); - } - //gl.glVertexAttribDivisor() is not required since each instance has the same attribute (color). - gl.glDrawArraysInstanced(GL4.GL_TRIANGLES, 0, 3, NO_OF_INSTANCE); - if(useInterleaved) { - interleavedVBO.enableBuffer(gl, false); - } else { - verticesVBO.enableBuffer(gl, false); - colorsVBO.enableBuffer(gl, false); - } - st.useProgram(gl, false); - } - - @Override - public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { - GL4 gl3 = drawable.getGL().getGL4(); - gl3.glViewport(0, 0, width, height); - aspect = (float) width / (float) height; - - projectionMatrix.glMatrixMode(GL2.GL_PROJECTION); - projectionMatrix.glLoadIdentity(); - projectionMatrix.gluPerspective(45, aspect, 0.001f, 20f); - projectionMatrix.gluLookAt(0, 0, -10, 0, 0, 0, 0, 1, 0); - } - - @Override - public void dispose(GLAutoDrawable drawable){ - GL4 gl = drawable.getGL().getGL4(); - st.destroy(gl); - } - - private void generateTriangleTransform() { - triangleTransform.clear(); - for(int i = 0; i < NO_OF_INSTANCE; i++) { - mat[i].rotate(rotationSpeed[i], 0, 0, 1); - triangleTransform.put(mat[i].getMatrix()); - } - triangleTransform.rewind(); - } - - private void initVBO_nonInterleaved(GL4 gl) { - int VERTEX_COUNT = 3; - - verticesVBO = GLArrayDataClient.createGLSL("mgl_Vertex", 3, GL4.GL_FLOAT, false, VERTEX_COUNT); - FloatBuffer verticeBuf = (FloatBuffer)verticesVBO.getBuffer(); - verticeBuf.put(vertices); - verticesVBO.seal(gl, true); - - colorsVBO = GLArrayDataClient.createGLSL("mgl_Color", 4, GL4.GL_FLOAT, false, VERTEX_COUNT); - FloatBuffer colorBuf = (FloatBuffer)colorsVBO.getBuffer(); - colorBuf.put(colors); - colorsVBO.seal(gl, true); - - verticesVBO.enableBuffer(gl, false); - colorsVBO.enableBuffer(gl, false); - - st.ownAttribute(verticesVBO, true); - st.ownAttribute(colorsVBO, true); - st.useProgram(gl, false); - } - - private void initVBO_interleaved(GL4 gl) { - int VERTEX_COUNT = 3; - interleavedVBO = GLArrayDataServer.createGLSLInterleaved(3 + 4, GL.GL_FLOAT, false, VERTEX_COUNT, GL.GL_STATIC_DRAW); - interleavedVBO.addGLSLSubArray("mgl_Vertex", 3, GL.GL_ARRAY_BUFFER); - interleavedVBO.addGLSLSubArray("mgl_Color", 4, GL.GL_ARRAY_BUFFER); - - FloatBuffer ib = (FloatBuffer)interleavedVBO.getBuffer(); - - for(int i = 0; i < VERTEX_COUNT; i++) { - ib.put(vertices, i*3, 3); - ib.put(colors, i*4, 4); - } - interleavedVBO.seal(gl, true); - interleavedVBO.enableBuffer(gl, false); - st.ownAttribute(interleavedVBO, true); - st.useProgram(gl, false); - } - - private void initShader(GL4 gl) { - // Create & Compile the shader objects - ShaderCode vp0 = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, this.getClass(), - "shader", "shader/bin", shaderBasename, true); - ShaderCode fp0 = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, this.getClass(), - "shader", "shader/bin", shaderBasename, true); - vp0.replaceInShaderSource("NO_OF_INSTANCE", String.valueOf(NO_OF_INSTANCE)); - - vp0.defaultShaderCustomization(gl, true, true); - fp0.defaultShaderCustomization(gl, true, true); - - //vp0.dumpShaderSource(System.out); - - // Create & Link the shader program - ShaderProgram sp = new ShaderProgram(); - sp.add(vp0); - sp.add(fp0); - if(!sp.link(gl, System.err)) { - throw new GLException("Couldn't link program: "+sp); - } - - // Let's manage all our states using ShaderState. - st = new ShaderState(); - st.attachShaderProgram(gl, sp, true); - } - - - private static final float[] vertices = { - 1.0f, 0.0f, 0, - -0.5f, 0.866f, 0, - -0.5f, -0.866f, 0 - }; - - private final float[] colors = { - 1.0f, 0.0f, 0.0f, 1.0f, - 0.0f, 1.0f, 0.0f, 1.0f, - 0f, 0f, 1.0f, 1f - }; - -} diff --git a/src/demos/instancedRendering/TrianglesInstancedRendererHardcoded.java b/src/demos/instancedRendering/TrianglesInstancedRendererHardcoded.java deleted file mode 100644 index 7396700..0000000 --- a/src/demos/instancedRendering/TrianglesInstancedRendererHardcoded.java +++ /dev/null @@ -1,285 +0,0 @@ -package com.jogamp.opengl.test.junit.jogl.demos.gl4; - -import java.io.File; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.PrintStream; -import java.nio.FloatBuffer; -import java.util.Random; - -import javax.media.opengl.DebugGL4; -import javax.media.opengl.GL2; -import javax.media.opengl.GL4; -import javax.media.opengl.GLAutoDrawable; -import javax.media.opengl.GLEventListener; -import javax.media.opengl.TraceGL4; - -import com.jogamp.common.nio.Buffers; -import com.jogamp.opengl.math.Matrix4; -import com.jogamp.opengl.util.PMVMatrix; - -public class TrianglesInstancedRendererHardcoded implements GLEventListener { - private float aspect; - - private int shaderProgram; - private int vertShader; - private int fragShader; - private int projectionMatrixLocation; - private int transformMatrixLocation; - private static final int locPos = 1; - private static final int locCol = 2; - private PMVMatrix projectionMatrix; - - private static final int NO_OF_INSTANCE = 30; - private final FloatBuffer triangleTransform = FloatBuffer.allocate(16 * NO_OF_INSTANCE); - private final Matrix4[] mat = new Matrix4[NO_OF_INSTANCE]; - private final float[] rotationSpeed = new float[NO_OF_INSTANCE]; - - private int[] vbo; - private int[] vao; - private PrintStream stream; - private final IInstancedRenderingView view; - - private static final boolean useTraceGL = false; - - public TrianglesInstancedRendererHardcoded(IInstancedRenderingView view) { - this.view = view; - initTransform(); - - if(useTraceGL) { - try { - stream = new PrintStream(new FileOutputStream(new File("instanced.txt"))); - } catch (IOException e1) { - e1.printStackTrace(); - } - } - } - - @Override - public void init(GLAutoDrawable drawable) { - GL4 gl = drawable.getGL().getGL4(); - drawable.setGL(new DebugGL4(gl)); - if(useTraceGL) { - drawable.setGL(new TraceGL4(gl, stream)); - } - - gl.glClearColor(1, 1, 1, 1); //white background - // gl.glClearColor(0, 0, 0, 1); //black background - gl.glClearDepth(1.0f); - - System.err.println("Chosen GLCapabilities: " + drawable.getChosenGLCapabilities()); - System.err.println("INIT GL IS: " + gl.getClass().getName()); - System.err.println("GL_VENDOR: " + gl.glGetString(GL4.GL_VENDOR)); - System.err.println("GL_RENDERER: " + gl.glGetString(GL4.GL_RENDERER)); - System.err.println("GL_VERSION: " + gl.glGetString(GL4.GL_VERSION)); - - try { - initShaders(gl); - } catch (IOException e) { - e.printStackTrace(); - } - initVBO(gl); - } - - @Override - public void display(GLAutoDrawable drawable) { - - GL4 gl = drawable.getGL().getGL4(); - gl.glClear(GL4.GL_COLOR_BUFFER_BIT | GL4.GL_DEPTH_BUFFER_BIT); - - gl.glUseProgram(shaderProgram); - - projectionMatrix.glMatrixMode(GL2.GL_PROJECTION); - - projectionMatrix.glPushMatrix(); - float winScale = 0.1f; - if(view != null) { - winScale = view.getScale(); - } - projectionMatrix.glScalef(winScale, winScale, winScale); - projectionMatrix.update(); - gl.glUniformMatrix4fv(projectionMatrixLocation, 1, false, projectionMatrix.glGetPMatrixf()); - projectionMatrix.glPopMatrix(); - generateTriangleTransform(); - gl.glUniformMatrix4fv(transformMatrixLocation, NO_OF_INSTANCE, false, triangleTransform); - - gl.glBindVertexArray(vao[0]); - gl.glDrawArraysInstanced(GL4.GL_TRIANGLES, 0, 3, NO_OF_INSTANCE); - gl.glBindVertexArray(0); - gl.glUseProgram(0); - } - - @Override - public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) { - System.out.println("Window resized to width=" + width + " height=" + height); - GL4 gl3 = drawable.getGL().getGL4(); - gl3.glViewport(0, 0, width, height); - aspect = (float) width / (float) height; - - projectionMatrix = new PMVMatrix(); - projectionMatrix.glMatrixMode(GL2.GL_PROJECTION); - projectionMatrix.glLoadIdentity(); - projectionMatrix.gluPerspective(45, aspect, 0.001f, 20f); - projectionMatrix.gluLookAt(0, 0, -10, 0, 0, 0, 0, 1, 0); - } - - @Override - public void dispose(GLAutoDrawable drawable){ - GL4 gl = drawable.getGL().getGL4(); - gl.glUseProgram(0); - gl.glDeleteBuffers(2, vbo, 0); - gl.glDetachShader(shaderProgram, vertShader); - gl.glDeleteShader(vertShader); - gl.glDetachShader(shaderProgram, fragShader); - gl.glDeleteShader(fragShader); - gl.glDeleteProgram(shaderProgram); - } - - private void initTransform() { - Random rnd = new Random(); - for(int i = 0; i < NO_OF_INSTANCE; i++) { - rotationSpeed[i] = 0.3f * rnd.nextFloat(); - mat[i] = new Matrix4(); - mat[i].loadIdentity(); - float scale = 1f + 4 * rnd.nextFloat(); - mat[i].scale(scale, scale, scale); - //setup initial position of each triangle - mat[i].translate(20f * rnd.nextFloat() - 10f, - 10f * rnd.nextFloat() - 5f, - 0f); - } - } - - private void initVBO(GL4 gl) { - FloatBuffer interleavedBuffer = Buffers.newDirectFloatBuffer(vertices.length + colors.length); - for(int i = 0; i < vertices.length/3; i++) { - for(int j = 0; j < 3; j++) { - interleavedBuffer.put(vertices[i*3 + j]); - } - for(int j = 0; j < 4; j++) { - interleavedBuffer.put(colors[i*4 + j]); - } - } - interleavedBuffer.flip(); - - vao = new int[1]; - gl.glGenVertexArrays(1, vao , 0); - gl.glBindVertexArray(vao[0]); - vbo = new int[1]; - gl.glGenBuffers(1, vbo, 0); - gl.glBindBuffer(GL4.GL_ARRAY_BUFFER, vbo[0]); - gl.glBufferData(GL4.GL_ARRAY_BUFFER, interleavedBuffer.limit() * Buffers.SIZEOF_FLOAT, interleavedBuffer, GL4.GL_STATIC_DRAW); - - gl.glEnableVertexAttribArray(locPos); - gl.glEnableVertexAttribArray(locCol); - - int stride = Buffers.SIZEOF_FLOAT * (3+4); - gl.glVertexAttribPointer( locPos, 3, GL4.GL_FLOAT, false, stride, 0); - gl.glVertexAttribPointer( locCol, 4, GL4.GL_FLOAT, false, stride, Buffers.SIZEOF_FLOAT * 3); - } - - private void initShaders(GL4 gl) throws IOException { - vertShader = gl.glCreateShader(GL4.GL_VERTEX_SHADER); - fragShader = gl.glCreateShader(GL4.GL_FRAGMENT_SHADER); - - String[] vlines = new String[] { vertexShaderString }; - int[] vlengths = new int[] { vlines[0].length() }; - gl.glShaderSource(vertShader, vlines.length, vlines, vlengths, 0); - gl.glCompileShader(vertShader); - - int[] compiled = new int[1]; - gl.glGetShaderiv(vertShader, GL4.GL_COMPILE_STATUS, compiled, 0); - if(compiled[0] != 0) { - System.out.println("Vertex shader compiled"); - } else { - int[] logLength = new int[1]; - gl.glGetShaderiv(vertShader, GL4.GL_INFO_LOG_LENGTH, logLength, 0); - - byte[] log = new byte[logLength[0]]; - gl.glGetShaderInfoLog(vertShader, logLength[0], (int[])null, 0, log, 0); - - System.err.println("Error compiling the vertex shader: " + new String(log)); - System.exit(1); - } - - String[] flines = new String[] { fragmentShaderString }; - int[] flengths = new int[] { flines[0].length() }; - gl.glShaderSource(fragShader, flines.length, flines, flengths, 0); - gl.glCompileShader(fragShader); - - gl.glGetShaderiv(fragShader, GL4.GL_COMPILE_STATUS, compiled, 0); - if(compiled[0] != 0){ - System.out.println("Fragment shader compiled."); - } else { - int[] logLength = new int[1]; - gl.glGetShaderiv(fragShader, GL4.GL_INFO_LOG_LENGTH, logLength, 0); - - byte[] log = new byte[logLength[0]]; - gl.glGetShaderInfoLog(fragShader, logLength[0], (int[])null, 0, log, 0); - - System.err.println("Error compiling the fragment shader: " + new String(log)); - System.exit(1); - } - - shaderProgram = gl.glCreateProgram(); - gl.glAttachShader(shaderProgram, vertShader); - gl.glAttachShader(shaderProgram, fragShader); - - gl.glBindAttribLocation(shaderProgram, locPos, "mgl_Vertex"); - gl.glBindAttribLocation(shaderProgram, locCol, "mgl_Color"); - - gl.glLinkProgram(shaderProgram); - - projectionMatrixLocation = gl.glGetUniformLocation(shaderProgram, "mgl_PMatrix"); - System.out.println("projectionMatrixLocation:" + projectionMatrixLocation); - transformMatrixLocation = gl.glGetUniformLocation(shaderProgram, "mgl_MVMatrix"); - System.out.println("transformMatrixLocation:" + transformMatrixLocation); - } - - private void generateTriangleTransform() { - triangleTransform.clear(); - for(int i = 0; i < NO_OF_INSTANCE; i++) { - // mat[i].translate(0.1f, 0.1f, 0); - mat[i].rotate(rotationSpeed[i], 0, 0, 1); - // mat[i].translate(-0.1f, -0.1f, 0); - triangleTransform.put(mat[i].getMatrix()); - } - triangleTransform.flip(); - } - - private final String vertexShaderString = - "#version 410 \n" + - "\n" + - "uniform mat4 mgl_PMatrix; \n" + - "uniform mat4 mgl_MVMatrix[" + NO_OF_INSTANCE + "]; \n" + - "in vec3 mgl_Vertex; \n" + - "in vec4 mgl_Color; \n" + - "out vec4 frontColor; \n" + - "void main(void) \n" + - "{ \n" + - " frontColor = mgl_Color; \n" + - " gl_Position = mgl_PMatrix * mgl_MVMatrix[gl_InstanceID] * vec4(mgl_Vertex, 1);" + - "} "; - - private final String fragmentShaderString = - "#version 410\n" + - "\n" + - "in vec4 frontColor; \n" + - "out vec4 mgl_FragColor; \n" + - "void main (void) \n" + - "{ \n" + - " mgl_FragColor = frontColor; \n" + - "} "; - - private final float[] vertices = { - 1.0f, 0.0f, 0, - -0.5f, 0.866f, 0, - -0.5f, -0.866f, 0 - }; - - private final float[] colors = { - 1.0f, 0.0f, 0.0f, 1.0f, - 0.0f, 1.0f, 0.0f, 1.0f, - 0f, 0f, 1.0f, 1f - }; -} diff --git a/src/demos/instancedRendering/shader/triangles.fp b/src/demos/instancedRendering/shader/triangles.fp deleted file mode 100644 index 005884a..0000000 --- a/src/demos/instancedRendering/shader/triangles.fp +++ /dev/null @@ -1,15 +0,0 @@ -// Copyright 2014 JogAmp Community. All rights reserved. - -#if __VERSION__ >= 130 - #define varying in - out vec4 mgl_FragColor; - #define texture2D texture -#else - #define mgl_FragColor gl_FragColor -#endif - -varying vec4 frontColor; - -void main (void) { - mgl_FragColor = frontColor; -} diff --git a/src/demos/instancedRendering/shader/triangles.vp b/src/demos/instancedRendering/shader/triangles.vp deleted file mode 100644 index 91cc6ef..0000000 --- a/src/demos/instancedRendering/shader/triangles.vp +++ /dev/null @@ -1,17 +0,0 @@ -// Copyright 2014 JogAmp Community. All rights reserved. - -#if __VERSION__ >= 130 - #define attribute in - #define varying out -#endif - -uniform mat4 mgl_PMatrix; -uniform mat4 mgl_MVMatrix[NO_OF_INSTANCE]; -attribute vec3 mgl_Vertex; -attribute vec4 mgl_Color; -varying vec4 frontColor; - -void main(void) { - frontColor = mgl_Color; - gl_Position = mgl_PMatrix * mgl_MVMatrix[gl_InstanceID] * vec4(mgl_Vertex, 1); -} |