diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/views/detail/TextureImageDetailsProvider.java')
-rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/views/detail/TextureImageDetailsProvider.java | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/views/detail/TextureImageDetailsProvider.java b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/views/detail/TextureImageDetailsProvider.java new file mode 100644 index 000000000..4dcbb10c4 --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/views/detail/TextureImageDetailsProvider.java @@ -0,0 +1,158 @@ +/* + * Copyright (C) 2012 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.ide.eclipse.gltrace.views.detail; + +import com.android.ide.eclipse.gltrace.state.GLCompositeProperty; +import com.android.ide.eclipse.gltrace.state.GLSparseArrayProperty; +import com.android.ide.eclipse.gltrace.state.GLStateType; +import com.android.ide.eclipse.gltrace.state.GLStringProperty; +import com.android.ide.eclipse.gltrace.state.IGLProperty; +import com.android.ide.eclipse.gltrace.views.FitToCanvasAction; +import com.android.ide.eclipse.gltrace.views.SaveImageAction; +import com.android.ide.eclipse.gltrace.widgets.ImageCanvas; + +import org.eclipse.jface.action.ActionContributionItem; +import org.eclipse.jface.action.IContributionItem; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.widgets.Composite; +import org.eclipse.swt.widgets.Control; +import org.eclipse.swt.widgets.Display; + +import java.util.Arrays; +import java.util.List; + +public class TextureImageDetailsProvider implements IStateDetailProvider { + private ImageCanvas mImageCanvas; + private FitToCanvasAction mFitToCanvasAction; + private SaveImageAction mSaveImageAction; + private List<IContributionItem> mToolBarItems; + + @Override + public boolean isApplicable(IGLProperty state) { + return getTextureImageProperty(state) != null; + } + + @Override + public void createControl(Composite parent) { + mImageCanvas = new ImageCanvas(parent); + mImageCanvas.setFitToCanvas(false); + + mFitToCanvasAction = new FitToCanvasAction(false, mImageCanvas); + mSaveImageAction = new SaveImageAction(mImageCanvas); + + mToolBarItems = Arrays.asList( + (IContributionItem) new ActionContributionItem(mFitToCanvasAction), + (IContributionItem) new ActionContributionItem(mSaveImageAction)); + } + + @Override + public void disposeControl() { + mImageCanvas.dispose(); + mImageCanvas = null; + } + + @Override + public Control getControl() { + return mImageCanvas; + } + + @Override + public void updateControl(IGLProperty state) { + IGLProperty imageProperty = getTextureImageProperty(state); + if (imageProperty == null) { + return; + } + + String texturePath = ((GLStringProperty) imageProperty).getStringValue(); + if (texturePath != null) { + mImageCanvas.setImage(new Image(Display.getDefault(), texturePath)); + mImageCanvas.setFitToCanvas(false); + return; + } + } + + /** + * Get the {@link GLStateType#TEXTURE_IMAGE} property given a node in + * the state hierarchy. + * @param state any node in the GL state hierarchy + * @return The {@link GLStateType#TEXTURE_IMAGE} property if a unique instance + * of it can be accessed from the given node. A unique instance can be + * accessed if the given node is either the requested node itself, or + * its parent or sibling. In cases where a unique instance cannot be + * accessed, but one of the texture mipmap levels can be accessed, then + * return the first texture mipmap level. This happens if the selected + * state is a child of {@link GLStateType#PER_TEXTURE_STATE}. Returns + * null otherwise. + */ + private IGLProperty getTextureImageProperty(IGLProperty state) { + if (state.getType() == GLStateType.TEXTURE_IMAGE) { + // given node is the requested node + return state; + } + + IGLProperty img = getImageFromPerTextureLevelState(state); + if (img != null) { + return img; + } + + return getFirstMipmapImage(state); + } + + /** + * Returns the {@link GLStateType#TEXTURE_IMAGE} if the provided state is either + * {@link GLStateType#PER_TEXTURE_LEVEL_STATE} or one of its children. Returns null otherwise. + */ + private IGLProperty getImageFromPerTextureLevelState(IGLProperty state) { + if (state != null && state.getType() != GLStateType.PER_TEXTURE_LEVEL_STATE) { + state = state.getParent(); + } + + if (state == null || state.getType() != GLStateType.PER_TEXTURE_LEVEL_STATE) { + return null; + } + + return ((GLCompositeProperty) state).getProperty(GLStateType.TEXTURE_IMAGE); + } + + /** + * Returns the first mipmap level's image entry if the provided state is either + * {@link GLStateType#PER_TEXTURE_STATE} or one of its immediate children, null otherwise. + */ + private IGLProperty getFirstMipmapImage(IGLProperty state) { + if (state != null && state.getType() != GLStateType.PER_TEXTURE_STATE) { + state = state.getParent(); + } + + if (state == null || state.getType() != GLStateType.PER_TEXTURE_STATE) { + return null; + } + + IGLProperty mipmaps = + ((GLCompositeProperty) state).getProperty(GLStateType.TEXTURE_MIPMAPS); + if (!(mipmaps instanceof GLSparseArrayProperty)) { + return null; + } + + IGLProperty perTextureLevelState = ((GLSparseArrayProperty) mipmaps).getProperty(0); + return getImageFromPerTextureLevelState(perTextureLevelState); + } + + @Override + public List<IContributionItem> getToolBarItems() { + return mToolBarItems; + } +} |