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* Copyright 2010 JogAmp Community. All rights reserved.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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package com.jogamp.opengl.test.junit.jogl.glsl;
import com.jogamp.opengl.util.GLArrayDataServer;
import com.jogamp.opengl.util.glsl.ShaderState;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GL2ES2;
import com.jogamp.opengl.GLBufferStorage;
import com.jogamp.opengl.GLDrawable;
import org.junit.Assert;
public class GLSLMiscHelper {
public static final int frames_perftest = 600; // frames
public static final int frames_warmup = 100; // frames
public static void validateGLArrayDataServerState(final GL2ES2 gl, final ShaderState st, final GLArrayDataServer data) {
final int[] qi = new int[1];
if(null != st) {
Assert.assertEquals(data, st.getAttribute(data.getName()));
if(st.shaderProgram().linked()) {
Assert.assertEquals(data.getLocation(), st.getCachedAttribLocation(data.getName()));
Assert.assertEquals(data.getLocation(), st.getAttribLocation(gl, data));
Assert.assertEquals(data.getLocation(), st.getAttribLocation(gl, data.getName()));
Assert.assertEquals(data.getLocation(), gl.glGetAttribLocation(st.shaderProgram().program(), data.getName()));
}
}
gl.glGetVertexAttribiv(data.getLocation(), GL2ES2.GL_VERTEX_ATTRIB_ARRAY_ENABLED, qi, 0);
Assert.assertEquals(data.enabled()?GL.GL_TRUE:GL.GL_FALSE, qi[0]);
gl.glGetVertexAttribiv(data.getLocation(), GL2ES2.GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, qi, 0);
Assert.assertEquals(data.getVBOName(), qi[0]);
final GLBufferStorage glStore = gl.getBufferStorage(data.getVBOName());
Assert.assertEquals("GLBufferStorage size mismatch, storage "+glStore, data.getSizeInBytes(), null != glStore ? glStore.getSize() : -1);
}
public static void pause(final long ms) throws InterruptedException {
final long t0 = System.currentTimeMillis();
while( System.currentTimeMillis() - t0 < ms) {
Thread.sleep(ms);
}
}
public static void displayVCArrays(final GLDrawable drawable, final GL2ES2 gl, final ShaderState st, final boolean preEnable, final GLArrayDataServer vertices, final GLArrayDataServer colors, final boolean postDisable, final int num, final long postDelay) throws InterruptedException {
System.err.println("screen #"+num);
if(preEnable) {
vertices.enableBuffer(gl, true);
// invalid - Assert.assertEquals(vertices.getVBOName(), gl.glGetBoundBuffer(GL.GL_ARRAY_BUFFER));
colors.enableBuffer(gl, true);
// invalid - Assert.assertEquals(colors.getVBOName(), gl.glGetBoundBuffer(GL.GL_ARRAY_BUFFER));
//
// Above assertions are invalid, since GLSLArrayHandler will not bind the VBO to target
// if the VBO is already bound to the attribute itself.
// validateGLArrayDataServerState(..) does check proper VBO to attribute binding.
}
Assert.assertTrue(vertices.enabled());
Assert.assertTrue(colors.enabled());
validateGLArrayDataServerState(gl, st, vertices);
validateGLArrayDataServerState(gl, st, colors);
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
if(postDisable) {
vertices.enableBuffer(gl, false);
colors.enableBuffer(gl, false);
Assert.assertTrue(!vertices.enabled());
Assert.assertTrue(!colors.enabled());
}
Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
drawable.swapBuffers();
if(postDelay>0) { pause(postDelay); }
}
public static void displayVCArraysNoChecks(final GLDrawable drawable, final GL2ES2 gl, final boolean preEnable, final GLArrayDataServer vertices, final GLArrayDataServer colors, final boolean postDisable) throws InterruptedException {
if(preEnable) {
vertices.enableBuffer(gl, true);
colors.enableBuffer(gl, true);
}
gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
if(postDisable) {
vertices.enableBuffer(gl, false);
colors.enableBuffer(gl, false);
}
drawable.swapBuffers();
}
public static GLArrayDataServer createVertices(final GL2ES2 gl, final ShaderState st, final int shaderProgram, final int location, final float[] vertices) {
if(null != st && 0 != shaderProgram) {
throw new InternalError("Use either ShaderState _or_ shader-program, not both");
}
if(null == st && 0 == shaderProgram) {
throw new InternalError("Pass a valid ShaderState _xor_ shader-program, not none");
}
// Allocate Vertex Array0
final GLArrayDataServer vDataArray = GLArrayDataServer.createGLSL("mgl_Vertex", 3, GL.GL_FLOAT, false, 4, GL.GL_STATIC_DRAW);
if(null != st) {
st.ownAttribute(vDataArray, true);
if(0<=location) {
st.bindAttribLocation(gl, location, vDataArray);
}
} else {
if(0<=location) {
vDataArray.setLocation(gl, shaderProgram, location);
} else {
vDataArray.setLocation(gl, shaderProgram);
}
}
Assert.assertTrue(vDataArray.isVBO());
Assert.assertTrue(vDataArray.isVertexAttribute());
Assert.assertTrue(!vDataArray.isVBOWritten());
Assert.assertTrue(!vDataArray.sealed());
int i=0;
vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]);
vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]);
vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]);
vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]); vDataArray.putf(vertices[i++]);
vDataArray.seal(gl, true);
Assert.assertTrue(vDataArray.isVBOWritten());
Assert.assertTrue(vDataArray.sealed());
Assert.assertEquals(4, vDataArray.getElementCount());
Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
Assert.assertEquals(0, gl.getBoundBuffer(GL.GL_ARRAY_BUFFER)); // should be cleared ASAP
validateGLArrayDataServerState(gl, st, vDataArray);
return vDataArray;
}
public static final float[] vertices0 = new float[] { -2f, 2f, 0f,
2f, 2f, 0f,
-2f, -2f, 0f,
2f, -2f, 0f };
public static final float[] vertices1 = new float[] { -2f, 1f, 0f,
2f, 1f, 0f,
-2f, -1f, 0f,
2f, -1f, 0f };
public static GLArrayDataServer createColors(final GL2ES2 gl, final ShaderState st, final int shaderProgram, final int location, final float[] colors) {
if(null != st && 0 != shaderProgram) {
throw new InternalError("Use either ShaderState _or_ shader-program, not both");
}
if(null == st && 0 == shaderProgram) {
throw new InternalError("Pass a valid ShaderState _xor_ shader-program, not none");
}
final GLArrayDataServer cDataArray = GLArrayDataServer.createGLSL("mgl_Color", 4, GL.GL_FLOAT, false, 4, GL.GL_STATIC_DRAW);
if(null != st) {
st.ownAttribute(cDataArray, true);
if(0<=location) {
st.bindAttribLocation(gl, location, cDataArray);
}
} else {
if(0<=location) {
cDataArray.setLocation(gl, shaderProgram, location);
} else {
cDataArray.setLocation(gl, shaderProgram);
}
}
int i=0;
cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]);
cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]);
cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]);
cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]); cDataArray.putf(colors[i++]);
cDataArray.seal(gl, true);
Assert.assertTrue(cDataArray.isVBO());
Assert.assertTrue(cDataArray.isVertexAttribute());
Assert.assertTrue(cDataArray.isVBOWritten());
Assert.assertTrue(cDataArray.sealed());
Assert.assertEquals(GL.GL_NO_ERROR, gl.glGetError());
Assert.assertEquals(0, gl.getBoundBuffer(GL.GL_ARRAY_BUFFER)); // should be cleared ASAP
validateGLArrayDataServerState(gl, st, cDataArray);
return cDataArray;
}
public static final float[] colors0 = new float[] { 1f, 0f, 0f, 1f,
0f, 0f, 1f, 1f,
1f, 0f, 0f, 1f,
1f, 0f, 1f, 1f };
public static final float[] colors1 = new float[] { 1f, 0f, 1f, 1f,
0f, 1f, 0f, 1f,
1f, 0f, 1f, 1f,
1f, 0f, 1f, 1f };
}