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Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/TexImageTransform.java')
-rw-r--r--eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/TexImageTransform.java342
1 files changed, 0 insertions, 342 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/TexImageTransform.java b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/TexImageTransform.java
deleted file mode 100644
index dde89eae6..000000000
--- a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/state/transforms/TexImageTransform.java
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * 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.state.transforms;
-
-import com.android.ide.eclipse.gltrace.FileUtils;
-import com.android.ide.eclipse.gltrace.GLEnum;
-import com.android.ide.eclipse.gltrace.state.GLStringProperty;
-import com.android.ide.eclipse.gltrace.state.IGLProperty;
-import com.google.common.io.Files;
-import com.google.common.primitives.UnsignedBytes;
-
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.FloatBuffer;
-
-import javax.imageio.ImageIO;
-
-/**
- * {@link TexImageTransform} transforms the state to reflect the effect of a
- * glTexImage2D or glTexSubImage2D GL call.
- */
-public class TexImageTransform implements IStateTransform {
- private static final String PNG_IMAGE_FORMAT = "PNG";
- private static final String TEXTURE_FILE_PREFIX = "tex";
- private static final String TEXTURE_FILE_SUFFIX = ".png";
-
- private final IGLPropertyAccessor mAccessor;
- private final File mTextureDataFile;
-
- private final int mxOffset;
- private final int myOffset;
- private final int mWidth;
- private final int mHeight;
-
- private String mOldValue;
- private String mNewValue;
- private GLEnum mFormat;
- private GLEnum mType;
-
- /**
- * Construct a texture image transformation.
- * @param accessor accessor to obtain the GL state variable to modify
- * @param textureData texture data passed in by the call. Could be null.
- * @param format format of the source texture data
- * @param xOffset x offset for the source data (used only in glTexSubImage2D)
- * @param yOffset y offset for the source data (used only in glTexSubImage2D)
- * @param width width of the texture
- * @param height height of the texture
- */
- public TexImageTransform(IGLPropertyAccessor accessor, File textureData, GLEnum format,
- GLEnum type, int xOffset, int yOffset, int width, int height) {
- mAccessor = accessor;
- mTextureDataFile = textureData;
- mFormat = format;
- mType = type;
-
- mxOffset = xOffset;
- myOffset = yOffset;
- mWidth = width;
- mHeight = height;
- }
-
- @Override
- public void apply(IGLProperty currentState) {
- assert mOldValue == null : "Transform cannot be applied multiple times"; //$NON-NLS-1$
-
- IGLProperty property = mAccessor.getProperty(currentState);
- if (!(property instanceof GLStringProperty)) {
- return;
- }
-
- GLStringProperty prop = (GLStringProperty) property;
- mOldValue = prop.getStringValue();
-
- // Applying texture transformations is a heavy weight process. So we perform
- // it only once and save the result in a temporary file. The property is actually
- // the path to the file.
- if (mNewValue == null) {
- try {
- if (mOldValue == null) {
- mNewValue = createTexture(mTextureDataFile, mWidth, mHeight);
- } else {
- mNewValue = updateTextureData(mOldValue, mTextureDataFile, mxOffset, myOffset,
- mWidth, mHeight);
- }
- } catch (IOException e) {
- throw new RuntimeException(e);
- } catch (RuntimeException e) {
- throw e;
- }
- }
-
- prop.setValue(mNewValue);
- }
-
- @Override
- public void revert(IGLProperty state) {
- if (mOldValue != null) {
- IGLProperty property = mAccessor.getProperty(state);
- property.setValue(mOldValue);
- mOldValue = null;
- }
- }
-
- @Override
- public IGLProperty getChangedProperty(IGLProperty state) {
- return mAccessor.getProperty(state);
- }
-
- /**
- * Creates a texture of provided width and height. If the texture data file is provided,
- * then the texture is initialized with the contents of that file, otherwise an empty
- * image is created.
- * @param textureDataFile path to texture data, could be null.
- * @param width width of texture
- * @param height height of texture
- * @return path to cached texture
- */
- private String createTexture(File textureDataFile, int width, int height) throws IOException {
- File f = FileUtils.createTempFile(TEXTURE_FILE_PREFIX, TEXTURE_FILE_SUFFIX);
-
- BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
-
- if (textureDataFile != null) {
- byte[] initialData = Files.toByteArray(textureDataFile);
- img.getRaster().setDataElements(0, 0, width, height,
- formatSourceData(initialData, width, height));
- }
-
- ImageIO.write(img, PNG_IMAGE_FORMAT, f);
-
- return f.getAbsolutePath();
- }
-
- /**
- * Update part of an existing texture.
- * @param currentImagePath current texture image.
- * @param textureDataFile new data to update the current texture with
- * @param xOffset x offset for the update region
- * @param yOffset y offset for the update region
- * @param width width of the update region
- * @param height height of the update region
- * @return path to the updated texture
- */
- private String updateTextureData(String currentImagePath, File textureDataFile,
- int xOffset, int yOffset, int width, int height) throws IOException {
- assert currentImagePath != null : "Attempt to update a null texture";
-
- if (textureDataFile == null) {
- // Do not perform any updates if we don't have the actual data.
- return currentImagePath;
- }
-
- File f = FileUtils.createTempFile(TEXTURE_FILE_PREFIX, TEXTURE_FILE_SUFFIX);
- BufferedImage image = null;
- image = ImageIO.read(new File(currentImagePath));
-
- byte[] subImageData = Files.toByteArray(textureDataFile);
- image.getRaster().setDataElements(xOffset, yOffset, width, height,
- formatSourceData(subImageData, width, height));
- ImageIO.write(image, PNG_IMAGE_FORMAT, f);
-
- return f.getAbsolutePath();
- }
-
- private byte[] formatSourceData(byte[] subImageData, int width, int height) {
- if (mType != GLEnum.GL_UNSIGNED_BYTE) {
- subImageData = unpackData(subImageData, mType);
- }
-
- switch (mFormat) {
- case GL_RGBA:
- // no conversions necessary
- return subImageData;
- case GL_RGB:
- return addAlphaChannel(subImageData, width, height);
- case GL_RED:
- case GL_GREEN:
- case GL_BLUE:
- // GL_RED, GL_GREEN and GL_BLUE are all supposed to fill those respective
- // channels, but we assume that the programmers intent was to use GL_ALPHA in order
- // to overcome the issue that GL_ALPHA cannot be used with float data.
- if (mType != GLEnum.GL_FLOAT) {
- throw new RuntimeException();
- } else {
- // fall through - assume that it is GL_ALPHA
- }
- //$FALL-THROUGH$
- case GL_ALPHA:
- return addRGBChannels(subImageData, width, height);
- case GL_LUMINANCE:
- return createRGBAFromLuminance(subImageData, width, height);
- case GL_LUMINANCE_ALPHA:
- return createRGBAFromLuminanceAlpha(subImageData, width, height);
- default:
- throw new RuntimeException();
- }
- }
-
- private byte[] unpackData(byte[] data, GLEnum type) {
- switch (type) {
- case GL_UNSIGNED_BYTE:
- return data;
- case GL_UNSIGNED_SHORT_4_4_4_4:
- return convertShortToUnsigned(data, 0xf000, 12, 0x0f00, 8, 0x00f0, 4, 0x000f, 0,
- true);
- case GL_UNSIGNED_SHORT_5_6_5:
- return convertShortToUnsigned(data, 0xf800, 11, 0x07e0, 5, 0x001f, 0, 0, 0,
- false);
- case GL_UNSIGNED_SHORT_5_5_5_1:
- return convertShortToUnsigned(data, 0xf800, 11, 0x07c0, 6, 0x003e, 1, 0x1, 0,
- true);
- case GL_FLOAT:
- return convertFloatToUnsigned(data);
- default:
- return data;
- }
- }
-
- private byte[] convertFloatToUnsigned(byte[] data) {
- byte[] unsignedData = new byte[data.length];
- ByteBuffer floatBuffer = ByteBuffer.wrap(data);
- for (int i = 0; i < data.length / 4; i++) {
- float v = floatBuffer.getFloat(i);
- byte alpha = (byte)(v * 255);
- unsignedData[i*4 + 3] = alpha;
- }
- return unsignedData;
- }
-
- private byte[] convertShortToUnsigned(byte[] shortData,
- int rmask, int rshift,
- int gmask, int gshift,
- int bmask, int bshift,
- int amask, int ashift,
- boolean includeAlpha) {
- int numChannels = includeAlpha ? 4 : 3;
- byte[] unsignedData = new byte[(shortData.length/2) * numChannels];
-
- for (int i = 0; i < (shortData.length / 2); i++) {
- int hi = UnsignedBytes.toInt(shortData[i*2 + 0]);
- int lo = UnsignedBytes.toInt(shortData[i*2 + 1]);
-
- int x = hi << 8 | lo;
-
- int r = (x & rmask) >>> rshift;
- int g = (x & gmask) >>> gshift;
- int b = (x & bmask) >>> bshift;
- int a = (x & amask) >>> ashift;
-
- unsignedData[i * numChannels + 0] = UnsignedBytes.checkedCast(r);
- unsignedData[i * numChannels + 1] = UnsignedBytes.checkedCast(g);
- unsignedData[i * numChannels + 2] = UnsignedBytes.checkedCast(b);
-
- if (includeAlpha) {
- unsignedData[i * numChannels + 3] = UnsignedBytes.checkedCast(a);
- }
- }
-
- return unsignedData;
- }
-
- private byte[] addAlphaChannel(byte[] sourceData, int width, int height) {
- assert sourceData.length == 3 * width * height; // should have R, G & B channels
-
- byte[] data = new byte[4 * width * height];
-
- for (int src = 0, dst = 0; src < sourceData.length; src += 3, dst += 4) {
- data[dst + 0] = sourceData[src + 0]; // copy R byte
- data[dst + 1] = sourceData[src + 1]; // copy G byte
- data[dst + 2] = sourceData[src + 2]; // copy B byte
- data[dst + 3] = 1; // add alpha = 1
- }
-
- return data;
- }
-
- private byte[] addRGBChannels(byte[] sourceData, int width, int height) {
- assert sourceData.length == width * height; // should have a single alpha channel
-
- byte[] data = new byte[4 * width * height];
-
- for (int src = 0, dst = 0; src < sourceData.length; src++, dst += 4) {
- data[dst + 0] = data[dst + 1] = data[dst + 2] = 0; // set R = G = B = 0
- data[dst + 3] = sourceData[src]; // copy over alpha
- }
-
- return data;
- }
-
- private byte[] createRGBAFromLuminance(byte[] sourceData, int width, int height) {
- assert sourceData.length == width * height; // should have a single luminance channel
-
- byte[] data = new byte[4 * width * height];
-
- for (int src = 0, dst = 0; src < sourceData.length; src++, dst += 4) {
- int l = sourceData[src] * 3;
- if (l > 255) { // clamp to 255
- l = 255;
- }
-
- data[dst + 0] = data[dst + 1] = data[dst + 2] = (byte) l; // set R = G = B = L * 3
- data[dst + 3] = 1; // set alpha = 1
- }
-
- return data;
- }
-
- private byte[] createRGBAFromLuminanceAlpha(byte[] sourceData, int width, int height) {
- assert sourceData.length == 2 * width * height; // should have luminance & alpha channels
-
- byte[] data = new byte[4 * width * height];
-
- for (int src = 0, dst = 0; src < sourceData.length; src += 2, dst += 4) {
- int l = sourceData[src] * 3;
- if (l > 255) { // clamp to 255
- l = 255;
- }
-
- data[dst + 0] = data[dst + 1] = data[dst + 2] = (byte) l; // set R = G = B = L * 3
- data[dst + 3] = sourceData[src + 1]; // copy over alpha
- }
-
- return data;
- }
-}