1 /**
2  * Copyright 2012 JogAmp Community. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification, are
5  * permitted provided that the following conditions are met:
6  *
7  *    1. Redistributions of source code must retain the above copyright notice, this list of
8  *       conditions and the following disclaimer.
9  *
10  *    2. Redistributions in binary form must reproduce the above copyright notice, this list
11  *       of conditions and the following disclaimer in the documentation and/or other materials
12  *       provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
15  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
16  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
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19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
21  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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24  * The views and conclusions contained in the software and documentation are those of the
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26  * or implied, of JogAmp Community.
27  */
28 
29 package com.jogamp.opengl.test.junit.jogl.acore;
30 
31 import com.jogamp.opengl.GL;
32 import com.jogamp.opengl.GLCapabilities;
33 import com.jogamp.opengl.GLCapabilitiesImmutable;
34 import com.jogamp.opengl.GLContext;
35 import com.jogamp.opengl.GLDrawableFactory;
36 import com.jogamp.opengl.GLEventListener;
37 import com.jogamp.opengl.GLFBODrawable;
38 import com.jogamp.opengl.GLOffscreenAutoDrawable;
39 import com.jogamp.opengl.GLProfile;
40 
41 import org.junit.Assert;
42 import org.junit.Test;
43 import org.junit.FixMethodOrder;
44 import org.junit.runners.MethodSorters;
45 
46 import com.jogamp.opengl.FBObject;
47 import com.jogamp.opengl.test.junit.jogl.demos.es2.FBOMix2DemosES2;
48 import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2;
49 import com.jogamp.opengl.test.junit.jogl.demos.es2.MultisampleDemoES2;
50 import com.jogamp.opengl.test.junit.util.AWTRobotUtil;
51 import com.jogamp.opengl.test.junit.util.UITestCase;
52 
53 /**
54  * Toolkit agnostic {@link GLOffscreenAutoDrawable.FBO} tests using the
55  * {@link GLDrawableFactory#createOffscreenAutoDrawable(com.jogamp.nativewindow.AbstractGraphicsDevice, GLCapabilitiesImmutable, com.jogamp.opengl.GLCapabilitiesChooser, int, int, GLContext) factory model}.
56  * <p>
57  * The created {@link GLOffscreenAutoDrawable.FBO} is being used to run the {@link GLEventListener}.
58  * </p>
59  * <p>
60  * Extensive FBO reconfiguration (size and sample buffer count) and validation are performed.
61  * </p>
62  */
63 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
64 public class TestFBOAutoDrawableFactoryNEWT extends UITestCase {
65 
66     static final int widthStep = 800/4;
67     static final int heightStep = 600/4;
68     volatile int szStep = 2;
69 
70     interface MyGLEventListener extends GLEventListener {
setMakeSnapshot()71         void setMakeSnapshot();
72     }
73 
74     @Test
test01a_GL2ES2_Demo1_SingleBuffer_Normal()75     public void test01a_GL2ES2_Demo1_SingleBuffer_Normal() throws InterruptedException {
76         final GLProfile glp = GLProfile.getGL2ES2();
77         final GLCapabilities caps = new GLCapabilities(glp);
78         caps.setDoubleBuffered(false);
79         testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, new GearsES2(0));
80     }
81     @Test
test01b_GL2ES2_Demo1_SingleBuffer_NoTex()82     public void test01b_GL2ES2_Demo1_SingleBuffer_NoTex() throws InterruptedException {
83         final GLProfile glp = GLProfile.getGL2ES2();
84         final GLCapabilities caps = new GLCapabilities(glp);
85         caps.setDoubleBuffered(false);
86         testGLFBODrawableImpl(caps, 0, new GearsES2(0));
87     }
88     @Test
test01c_GL2ES2_Demo1_SingleBuffer_NoTexNoDepth()89     public void test01c_GL2ES2_Demo1_SingleBuffer_NoTexNoDepth() throws InterruptedException {
90         final GLProfile glp = GLProfile.getGL2ES2();
91         final GLCapabilities caps = new GLCapabilities(glp);
92         caps.setDoubleBuffered(false);
93         caps.setDepthBits(0);
94         testGLFBODrawableImpl(caps, 0, new GearsES2(0));
95     }
96 
97     @Test
test02a_GL2ES2_Demo1_DoubleBuffer_Normal()98     public void test02a_GL2ES2_Demo1_DoubleBuffer_Normal() throws InterruptedException {
99         final GLProfile glp = GLProfile.getGL2ES2();
100         final GLCapabilities caps = new GLCapabilities(glp);
101         caps.setDoubleBuffered(true); // default
102         testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, new GearsES2(0));
103     }
104 
105     @Test
test03a_GL2ES2_Demo2MSAA4_Normal()106     public void test03a_GL2ES2_Demo2MSAA4_Normal() throws InterruptedException {
107         final GLProfile glp = GLProfile.getGL2ES2();
108         final GLCapabilities caps = new GLCapabilities(glp);
109         caps.setSampleBuffers(true);
110         caps.setNumSamples(4);
111         testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, new MultisampleDemoES2(true));
112     }
113     @Test
test03b_GL2ES2_Demo2MSAA4_NoTex()114     public void test03b_GL2ES2_Demo2MSAA4_NoTex() throws InterruptedException {
115         final GLProfile glp = GLProfile.getGL2ES2();
116         final GLCapabilities caps = new GLCapabilities(glp);
117         caps.setSampleBuffers(true);
118         caps.setNumSamples(4);
119         testGLFBODrawableImpl(caps, 0, new MultisampleDemoES2(true));
120     }
121     @Test
test03c_GL2ES2_Demo2MSAA4_NoTexNoDepth()122     public void test03c_GL2ES2_Demo2MSAA4_NoTexNoDepth() throws InterruptedException {
123         final GLProfile glp = GLProfile.getGL2ES2();
124         final GLCapabilities caps = new GLCapabilities(glp);
125         caps.setSampleBuffers(true);
126         caps.setNumSamples(4);
127         caps.setDepthBits(0);
128         testGLFBODrawableImpl(caps, 0, new MultisampleDemoES2(true));
129     }
130 
131     @Test
test04_GL2ES2_FBODemoMSAA4_Normal()132     public void test04_GL2ES2_FBODemoMSAA4_Normal() throws InterruptedException {
133         final GLProfile glp = GLProfile.getGL2ES2();
134         final FBOMix2DemosES2 demo = new FBOMix2DemosES2(0);
135         demo.setDoRotation(false);
136         final GLCapabilities caps = new GLCapabilities(glp);
137         caps.setSampleBuffers(true);
138         caps.setNumSamples(4);
139         testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, demo);
140     }
141 
142     @Test
test11_EGLES2_Demo0Normal()143     public void test11_EGLES2_Demo0Normal() throws InterruptedException {
144         if( GLProfile.isAvailable(GLProfile.GLES2) )  {
145             final GLProfile glp = GLProfile.get(GLProfile.GLES2);
146             final GLCapabilities caps = new GLCapabilities(glp);
147             testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, new GearsES2(0));
148         } else {
149             System.err.println("EGL ES2 n/a");
150         }
151     }
152 
153     @Test
test13_EGLES2_Demo0MSAA4()154     public void test13_EGLES2_Demo0MSAA4() throws InterruptedException {
155         if( GLProfile.isAvailable(GLProfile.GLES2) )  {
156             final GLProfile glp = GLProfile.get(GLProfile.GLES2);
157             final GLCapabilities caps = new GLCapabilities(glp);
158             caps.setSampleBuffers(true);
159             caps.setNumSamples(4);
160             testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, new GearsES2(0));
161         } else {
162             System.err.println("EGL ES2 n/a");
163         }
164     }
165 
166     @Test
test21_GL3_Demo0Normal()167     public void test21_GL3_Demo0Normal() throws InterruptedException {
168         if( GLProfile.isAvailable(GLProfile.GL3) )  {
169             final GLProfile glp = GLProfile.get(GLProfile.GL3);
170             final GLCapabilities caps = new GLCapabilities(glp);
171             testGLFBODrawableImpl(caps, GLFBODrawable.FBOMODE_USE_TEXTURE, new GearsES2(0));
172         } else {
173             System.err.println("GL3 n/a");
174         }
175     }
176 
testGLFBODrawableImpl(final GLCapabilities caps, final int fboMode, final GLEventListener demo)177     void testGLFBODrawableImpl(final GLCapabilities caps, final int fboMode, final GLEventListener demo) throws InterruptedException {
178         caps.setFBO(true);
179         final GLDrawableFactory factory = GLDrawableFactory.getFactory(caps.getGLProfile());
180         final GLOffscreenAutoDrawable.FBO glad = (GLOffscreenAutoDrawable.FBO)
181                 factory.createOffscreenAutoDrawable(null, caps, null, widthStep*szStep, heightStep*szStep);
182         Assert.assertNotNull(glad);
183 
184         System.out.println("Requested:     "+caps);
185         System.out.println("Realized GLAD: "+glad);
186         System.out.println("Realized GLAD: "+glad.getChosenGLCapabilities());
187         Assert.assertTrue("FBO drawable is initialized before ctx creation", !glad.isInitialized());
188         glad.setFBOMode(fboMode);
189 
190         glad.display(); // initial display incl. init!
191         {
192             final GLContext context = glad.getContext();
193             Assert.assertNotNull(context);
194             Assert.assertTrue(context.isCreated());
195         }
196         Assert.assertTrue("FBO drawable is not initialized after ctx creation", glad.isInitialized());
197 
198         final boolean expDepth = caps.getDepthBits() > 0;
199         final boolean reqDepth = glad.getRequestedGLCapabilities().getDepthBits() > 0;
200         final boolean hasDepth = glad.getChosenGLCapabilities().getDepthBits() > 0;
201         System.out.println("Depth: exp "+expDepth+", req "+reqDepth+", has "+hasDepth);
202         Assert.assertEquals("Depth: expected not passed to requested", expDepth, reqDepth);
203         Assert.assertEquals("Depth: requested not passed to chosen", reqDepth, hasDepth);
204 
205         //
206         // FBO incl. MSAA is fully initialized now
207         //
208 
209         final GLCapabilitiesImmutable chosenCaps = glad.getChosenGLCapabilities();
210         System.out.println("Init GLAD: "+glad);
211         System.out.println("Init GLAD: "+chosenCaps);
212 
213         final FBObject fboFront = glad.getFBObject(GL.GL_FRONT);
214         final FBObject fboBack  = glad.getFBObject(GL.GL_BACK);
215 
216         System.out.println("Init front FBO: "+fboFront);
217         System.out.println("Init back  FBO: "+fboBack);
218 
219         Assert.assertTrue("FBO drawable is not initialized before ctx creation", glad.isInitialized());
220         Assert.assertTrue("FBO Front is not initialized before ctx creation", fboFront.isInitialized());
221         Assert.assertTrue("FBO Back  is not initialized before ctx creation", fboBack.isInitialized());
222 
223         if( chosenCaps.getDoubleBuffered() ) {
224             Assert.assertNotEquals("FBO are equal: "+fboFront+" == "+fboBack, fboFront, fboBack);
225             Assert.assertNotSame(fboFront, fboBack);
226         } else {
227             Assert.assertEquals("FBO are not equal: "+fboFront+" != "+fboBack, fboFront, fboBack);
228             Assert.assertSame(fboFront, fboBack);
229         }
230 
231         final FBObject.Colorbuffer color0, color1;
232 
233         color0 = glad.getColorbuffer(GL.GL_FRONT);
234         if(0==glad.getNumSamples()) {
235             color1 = glad.getColorbuffer(GL.GL_BACK);
236         } else {
237             color1 = null;
238         }
239 
240         final boolean expTexture = 0 != ( GLFBODrawable.FBOMODE_USE_TEXTURE & glad.getFBOMode() );
241         System.out.println("Texture: exp "+expTexture+", hasFront "+color0.isTextureAttachment());
242         Assert.assertEquals("Texture: Front", expTexture, color0.isTextureAttachment());
243         if(0==glad.getNumSamples()) {
244             Assert.assertEquals("Texture: Back", expTexture, color1.isTextureAttachment());
245         }
246 
247         final FBObject.Colorbuffer colorA, colorB;
248         final FBObject.RenderAttachment depthA, depthB;
249 
250         colorA = fboFront.getColorbuffer(0);
251         Assert.assertNotNull(colorA);
252         colorB = fboBack.getColorbuffer(0);
253         Assert.assertNotNull(colorB);
254 
255         Assert.assertEquals("Texture: Front", expTexture, colorA.isTextureAttachment());
256         if(0==glad.getNumSamples()) {
257             Assert.assertEquals("Texture: Back", expTexture, colorB.isTextureAttachment());
258         } else {
259             Assert.assertEquals("Texture: MSAA Back is Texture", false, colorB.isTextureAttachment());
260         }
261 
262         if( hasDepth ) {
263             depthA = fboFront.getDepthAttachment();
264             Assert.assertNotNull(depthA);
265             depthB = fboBack.getDepthAttachment();
266             Assert.assertNotNull(depthB);
267         } else {
268             depthA = null;
269             depthB = null;
270         }
271 
272         glad.display(); // SWAP_ODD
273 
274         if( chosenCaps.getDoubleBuffered() ) {
275             // double buffer or MSAA
276             Assert.assertNotEquals("Color attachments are equal: "+colorB+" == "+colorA, colorA, colorB);
277             Assert.assertNotSame(colorB, colorA);
278             if( hasDepth ) {
279                 Assert.assertNotEquals("Depth attachments are equal: "+depthB+" == "+depthA, depthA, depthB);
280                 Assert.assertNotSame(depthB, depthA);
281             }
282         } else {
283             // single buffer
284             Assert.assertEquals(colorA, colorB);
285             Assert.assertSame(colorA, colorB);
286             Assert.assertEquals(depthA, depthB);
287             Assert.assertSame(depthA, depthB);
288         }
289 
290         Assert.assertEquals(color0, colorA);
291         Assert.assertSame(color0, colorA);
292         if(0==glad.getNumSamples()) {
293             Assert.assertEquals(color1, colorB);
294             Assert.assertSame(color1, colorB);
295         }
296 
297         if( chosenCaps.getNumSamples() > 0 ) {
298             // MSAA
299             final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
300             final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
301             Assert.assertEquals("FBO are not equal: "+fboFront+" != "+_fboFront, fboFront, _fboFront);
302             Assert.assertSame(fboFront, _fboFront);
303             Assert.assertEquals("FBO are not equal: "+fboBack+" != "+_fboBack, fboBack, _fboBack);
304             Assert.assertSame(fboBack, _fboBack);
305         } else if( chosenCaps.getDoubleBuffered() ) {
306             // real double buffer
307             final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
308             final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
309             Assert.assertEquals("FBO are not equal: "+fboBack+" != "+_fboFront, fboBack, _fboFront);
310             Assert.assertSame(fboBack, _fboFront);
311             Assert.assertEquals("FBO are not equal: "+fboFront+" != "+_fboBack, fboFront, _fboBack);
312             Assert.assertSame(fboFront, _fboBack);
313         } else {
314             // single buffer
315             final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
316             final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
317             Assert.assertEquals("FBO are not equal: "+fboFront+" != "+_fboFront, fboFront, _fboFront);
318             Assert.assertSame(fboFront, _fboFront);
319             Assert.assertEquals("FBO are not equal: "+fboBack+" != "+_fboFront, fboBack, _fboFront);
320             Assert.assertSame(fboBack, _fboFront);
321             Assert.assertEquals("FBO are not equal: "+fboBack+" != "+_fboBack, fboBack, _fboBack);
322             Assert.assertSame(fboBack, _fboBack);
323             Assert.assertEquals("FBO are not equal: "+fboFront+" != "+_fboBack, fboFront, _fboBack);
324             Assert.assertSame(fboFront, _fboBack);
325         }
326 
327         glad.addGLEventListener(demo);
328 
329         final SnapshotGLEventListener snapshotGLEventListener = new SnapshotGLEventListener();
330         glad.addGLEventListener(snapshotGLEventListener);
331 
332         glad.display(); // - SWAP_EVEN
333 
334         // 1 - szStep = 2
335         snapshotGLEventListener.setMakeSnapshot();
336         glad.display(); // - SWAP_ODD
337 
338         // 2, 3 (resize + display)
339         szStep = 1;
340         glad.setSurfaceSize(widthStep*szStep, heightStep*szStep); // SWAP_EVEN
341         Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getSurfaceWidth()+"x"+glad.getSurfaceHeight(),
342                           AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
343         snapshotGLEventListener.setMakeSnapshot();
344         glad.display();  //  - SWAP_ODD
345         glad.display();  //  - SWAP_EVEN
346         {
347             // Check whether the attachment reference are still valid!
348             final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
349             final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
350             System.out.println("Resize1.oldFront: "+fboFront);
351             System.out.println("Resize1.nowFront: "+_fboFront);
352             System.out.println("Resize1.oldBack : "+fboBack);
353             System.out.println("Resize1.nowBack : "+_fboBack);
354             Assert.assertEquals(fboFront, _fboFront);
355             Assert.assertSame(fboFront, _fboFront);
356             Assert.assertEquals(fboBack,  _fboBack);
357             Assert.assertSame(fboBack,  _fboBack);
358 
359             FBObject.Colorbuffer _color = _fboFront.getColorbuffer(0);
360             Assert.assertNotNull(_color);
361             Assert.assertEquals(colorA, _color);
362             Assert.assertSame(colorA, _color);
363 
364             FBObject.RenderAttachment _depth = _fboFront.getDepthAttachment();
365             System.err.println("Resize1.oldDepth "+depthA);
366             System.err.println("Resize1.newDepth "+_depth);
367             if( hasDepth ) {
368                 Assert.assertNotNull(_depth);
369             }
370 
371             Assert.assertEquals(depthA, _depth);
372             Assert.assertSame(depthA, _depth);
373             _depth = _fboBack.getDepthAttachment();
374             if( hasDepth ) {
375                 Assert.assertNotNull(_depth);
376             }
377             Assert.assertEquals(depthB, _depth);
378             Assert.assertSame(depthB, _depth);
379 
380             _color = _fboFront.getColorbuffer(colorA);
381             Assert.assertNotNull(_color);
382             Assert.assertEquals(colorA, _color);
383             Assert.assertSame(colorA, _color);
384         }
385 
386         // 4, 5 (resize + display)
387         szStep = 4;
388         glad.setSurfaceSize(widthStep*szStep, heightStep*szStep); // SWAP_ODD
389         Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getSurfaceWidth()+"x"+glad.getSurfaceHeight(),
390                           AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
391         snapshotGLEventListener.setMakeSnapshot();
392         glad.display(); //  - SWAP_EVEN
393         glad.display(); //  - SWAP_ODD
394         {
395             // Check whether the attachment reference are still valid!
396             final FBObject _fboFront = glad.getFBObject(GL.GL_FRONT);
397             final FBObject _fboBack = glad.getFBObject(GL.GL_BACK);
398             System.out.println("Resize2.oldFront: "+fboFront);
399             System.out.println("Resize2.nowFront: "+_fboFront);
400             System.out.println("Resize2.oldBack : "+fboBack);
401             System.out.println("Resize2.nowBack : "+_fboBack);
402             if(chosenCaps.getDoubleBuffered() && 0==chosenCaps.getNumSamples()) {
403                 // real double buffer
404                 Assert.assertEquals(fboBack,  _fboFront);
405                 Assert.assertEquals(fboFront, _fboBack);
406             } else {
407                 // single or MSAA
408                 Assert.assertEquals(fboFront,  _fboFront);
409                 Assert.assertEquals(fboBack,   _fboBack);
410             }
411 
412             FBObject.Colorbuffer _color = fboBack.getColorbuffer(0);
413             Assert.assertNotNull(_color);
414             Assert.assertEquals(colorB, _color);
415             Assert.assertSame(colorB, _color);
416 
417             FBObject.RenderAttachment _depth = fboBack.getDepthAttachment();
418             if( hasDepth ) {
419                 Assert.assertNotNull(_depth); // MSAA back w/ depth
420             }
421             Assert.assertEquals(depthB, _depth);
422             Assert.assertSame(depthB, _depth);
423 
424             _depth = fboFront.getDepthAttachment();
425             if( hasDepth ) {
426                 Assert.assertNotNull(_depth);
427             }
428             Assert.assertEquals(depthA, _depth);
429             Assert.assertSame(depthA, _depth);
430 
431             _color = fboBack.getColorbuffer(colorB);
432             Assert.assertNotNull(_color);
433             Assert.assertEquals(colorB, _color);
434             Assert.assertSame(colorB, _color);
435         }
436 
437         // 6 + 7 (samples + display)
438         final int oldSampleCount = chosenCaps.getNumSamples();
439         final int newSampleCount = oldSampleCount > 0 ? 0 : 4;
440         System.out.println("Resize3.sampleCount: "+oldSampleCount+" -> "+newSampleCount);
441         glad.setNumSamples(glad.getGL(), newSampleCount); // triggers repaint
442         snapshotGLEventListener.setMakeSnapshot();
443         glad.display(); // actual screenshot
444 
445         // 8, 9 (resize + samples + display)
446         szStep = 3;
447         glad.setSurfaceSize(widthStep*szStep, heightStep*szStep);
448         Assert.assertTrue("Size not reached: Expected "+(widthStep*szStep)+"x"+(heightStep*szStep)+", Is "+glad.getSurfaceWidth()+"x"+glad.getSurfaceHeight(),
449                           AWTRobotUtil.waitForSize(glad, widthStep*szStep, heightStep*szStep));
450         snapshotGLEventListener.setMakeSnapshot();
451         glad.display();
452 
453         glad.destroy();
454         System.out.println("Fin: "+glad);
455     }
456 
main(final String args[])457     public static void main(final String args[]) throws Exception {
458         org.junit.runner.JUnitCore.main(TestFBOAutoDrawableFactoryNEWT.class.getName());
459     }
460 
461 }
462