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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.ide.eclipse.gltrace.views.detail;
     18 
     19 import com.android.ide.eclipse.gltrace.GLEnum;
     20 import com.android.ide.eclipse.gltrace.GLUtils;
     21 import com.android.ide.eclipse.gltrace.state.GLCompositeProperty;
     22 import com.android.ide.eclipse.gltrace.state.GLStateType;
     23 import com.android.ide.eclipse.gltrace.state.IGLProperty;
     24 
     25 import org.eclipse.jface.action.IContributionItem;
     26 import org.eclipse.jface.layout.GridDataFactory;
     27 import org.eclipse.swt.SWT;
     28 import org.eclipse.swt.events.SelectionAdapter;
     29 import org.eclipse.swt.events.SelectionEvent;
     30 import org.eclipse.swt.layout.GridLayout;
     31 import org.eclipse.swt.widgets.Combo;
     32 import org.eclipse.swt.widgets.Composite;
     33 import org.eclipse.swt.widgets.Control;
     34 import org.eclipse.swt.widgets.Label;
     35 import org.eclipse.swt.widgets.Text;
     36 
     37 import java.util.ArrayList;
     38 import java.util.Collections;
     39 import java.util.List;
     40 
     41 public class VboDetailProvider implements IStateDetailProvider {
     42     private static enum DisplayFormat {
     43         GL_FLOAT,
     44         GL_BYTE,
     45         GL_UNSIGNED_BYTE,
     46         GL_SHORT,
     47         GL_UNSIGNED_SHORT,
     48         GL_FIXED,
     49     }
     50 
     51     private Composite mComposite;
     52 
     53     private Label mSizeLabel;
     54     private Label mUsageLabel;
     55     private Label mTypeLabel;
     56     private Combo mDisplayFormatCombo;
     57     private Text mTextControl;
     58 
     59     private byte[] mBufferData;
     60 
     61     @Override
     62     public boolean isApplicable(IGLProperty state) {
     63         return getVboProperty(state) != null;
     64     }
     65 
     66     @Override
     67     public void createControl(Composite parent) {
     68         mComposite = new Composite(parent, SWT.NONE);
     69         GridLayout layout = new GridLayout(2, false);
     70         layout.marginWidth = layout.marginHeight = 0;
     71         mComposite.setLayout(layout);
     72         GridDataFactory.fillDefaults().grab(true, true).applyTo(mComposite);
     73 
     74         Label l = new Label(mComposite, SWT.NONE);
     75         l.setText("Size: ");
     76         GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
     77 
     78         mSizeLabel = new Label(mComposite, SWT.NONE);
     79         GridDataFactory.fillDefaults().grab(true, false).applyTo(mSizeLabel);
     80 
     81         l = new Label(mComposite, SWT.NONE);
     82         l.setText("Usage: ");
     83         GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
     84 
     85         mUsageLabel = new Label(mComposite, SWT.NONE);
     86         GridDataFactory.fillDefaults().grab(true, false).applyTo(mUsageLabel);
     87 
     88         l = new Label(mComposite, SWT.NONE);
     89         l.setText("Type: ");
     90         GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
     91 
     92         mTypeLabel = new Label(mComposite, SWT.NONE);
     93         GridDataFactory.fillDefaults().grab(true, false).applyTo(mTypeLabel);
     94 
     95         l = new Label(mComposite, SWT.NONE);
     96         l.setText("Format Data As: ");
     97         GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).applyTo(l);
     98 
     99         DisplayFormat[] values = DisplayFormat.values();
    100         List<String> formats = new ArrayList<String>(values.length);
    101         for (DisplayFormat format: values) {
    102             formats.add(format.name());
    103         }
    104 
    105         mDisplayFormatCombo = new Combo(mComposite, SWT.DROP_DOWN | SWT.READ_ONLY);
    106         mDisplayFormatCombo.setItems(formats.toArray(new String[formats.size()]));
    107         mDisplayFormatCombo.select(0);
    108         mDisplayFormatCombo.addSelectionListener(new SelectionAdapter() {
    109             @Override
    110             public void widgetSelected(SelectionEvent e) {
    111                 updateContents();
    112             }
    113         });
    114         GridDataFactory.fillDefaults().grab(true, false).applyTo(mDisplayFormatCombo);
    115 
    116         mTextControl = new Text(mComposite, SWT.BORDER | SWT.READ_ONLY | SWT.MULTI
    117                                                    | SWT.WRAP | SWT.V_SCROLL | SWT.H_SCROLL);
    118         GridDataFactory.fillDefaults().span(2, 1).grab(true, true).applyTo(mTextControl);
    119         mTextControl.setEditable(false);
    120     }
    121 
    122     @Override
    123     public void disposeControl() {
    124     }
    125 
    126     @Override
    127     public Control getControl() {
    128         return mComposite;
    129     }
    130 
    131     @Override
    132     public void updateControl(IGLProperty state) {
    133         IGLProperty vbo = getVboProperty(state);
    134         if (vbo instanceof GLCompositeProperty) {
    135             GLCompositeProperty vboProperty = (GLCompositeProperty) vbo;
    136 
    137             IGLProperty sizeProperty = vboProperty.getProperty(GLStateType.BUFFER_SIZE);
    138             mSizeLabel.setText(sizeProperty.getStringValue() + " bytes"); //$NON-NLS-1$
    139 
    140             IGLProperty usageProperty = vboProperty.getProperty(GLStateType.BUFFER_USAGE);
    141             mUsageLabel.setText(usageProperty.getStringValue());
    142 
    143             IGLProperty typeProperty = vboProperty.getProperty(GLStateType.BUFFER_TYPE);
    144             mTypeLabel.setText(typeProperty.getStringValue());
    145 
    146             IGLProperty dataProperty = vboProperty.getProperty(GLStateType.BUFFER_DATA);
    147             mBufferData = (byte[]) dataProperty.getValue();
    148         } else {
    149             mBufferData = null;
    150         }
    151 
    152         updateContents();
    153     }
    154 
    155     private void updateContents() {
    156         if (mBufferData != null) {
    157             mTextControl.setText(GLUtils.formatData(mBufferData,
    158                     GLEnum.valueOf(mDisplayFormatCombo.getText())));
    159             mTextControl.setEnabled(true);
    160             mDisplayFormatCombo.setEnabled(true);
    161         } else {
    162             mTextControl.setText("");
    163             mTextControl.setEnabled(false);
    164             mDisplayFormatCombo.setEnabled(false);
    165         }
    166     }
    167 
    168     @Override
    169     public List<IContributionItem> getToolBarItems() {
    170         return Collections.emptyList();
    171     }
    172 
    173     /**
    174      * Get the {@link GLStateType#VBO_COMPOSITE} property given a node in
    175      * the state hierarchy.
    176      */
    177     private IGLProperty getVboProperty(IGLProperty state) {
    178         if (state.getType() == GLStateType.VBO_COMPOSITE) {
    179             return state;
    180         }
    181 
    182         state = state.getParent();
    183         if (state != null && state.getType() == GLStateType.VBO_COMPOSITE) {
    184             return state;
    185         }
    186 
    187         return null;
    188     }
    189 }
    190