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Diffstat (limited to 'src/com/android/camera/support/glrenderer/UploadedTexture.java')
-rw-r--r--src/com/android/camera/support/glrenderer/UploadedTexture.java283
1 files changed, 0 insertions, 283 deletions
diff --git a/src/com/android/camera/support/glrenderer/UploadedTexture.java b/src/com/android/camera/support/glrenderer/UploadedTexture.java
deleted file mode 100644
index 106aa4ef3..000000000
--- a/src/com/android/camera/support/glrenderer/UploadedTexture.java
+++ /dev/null
@@ -1,283 +0,0 @@
-package com.android.camera.support.glrenderer;
-
-
-import android.graphics.Bitmap;
-import android.graphics.Bitmap.Config;
-import android.opengl.GLUtils;
-
-import junit.framework.Assert;
-
-import java.util.HashMap;
-
-import javax.microedition.khronos.opengles.GL11;
-
-// UploadedTextures use a Bitmap for the content of the texture.
-//
-// Subclasses should implement onGetBitmap() to provide the Bitmap and
-// implement onFreeBitmap(mBitmap) which will be called when the Bitmap
-// is not needed anymore.
-//
-// isContentValid() is meaningful only when the isLoaded() returns true.
-// It means whether the content needs to be updated.
-//
-// The user of this class should call recycle() when the texture is not
-// needed anymore.
-//
-// By default an UploadedTexture is opaque (so it can be drawn faster without
-// blending). The user or subclass can override it using setOpaque().
-public abstract class UploadedTexture extends BasicTexture {
-
- // To prevent keeping allocation the borders, we store those used borders here.
- // Since the length will be power of two, it won't use too much memory.
- private static HashMap<BorderKey, Bitmap> sBorderLines =
- new HashMap<BorderKey, Bitmap>();
- private static BorderKey sBorderKey = new BorderKey();
-
- @SuppressWarnings("unused")
- private static final String TAG = "Texture";
- private boolean mContentValid = true;
-
- // indicate this textures is being uploaded in background
- private boolean mIsUploading = false;
- private boolean mOpaque = true;
- private boolean mThrottled = false;
- private static int sUploadedCount;
- private static final int UPLOAD_LIMIT = 100;
-
- protected Bitmap mBitmap;
- private int mBorder;
-
- protected UploadedTexture() {
- this(false);
- }
-
- protected UploadedTexture(boolean hasBorder) {
- super(null, 0, STATE_UNLOADED);
- if (hasBorder) {
- setBorder(true);
- mBorder = 1;
- }
- }
-
- protected void setIsUploading(boolean uploading) {
- mIsUploading = uploading;
- }
-
- public boolean isUploading() {
- return mIsUploading;
- }
-
- private static class BorderKey implements Cloneable {
- public boolean vertical;
- public Config config;
- public int length;
-
- @Override
- public int hashCode() {
- int x = config.hashCode() ^ length;
- return vertical ? x : -x;
- }
-
- @Override
- public boolean equals(Object object) {
- if (!(object instanceof BorderKey)) return false;
- BorderKey o = (BorderKey) object;
- return vertical == o.vertical
- && config == o.config && length == o.length;
- }
-
- @Override
- public BorderKey clone() {
- try {
- return (BorderKey) super.clone();
- } catch (CloneNotSupportedException e) {
- throw new AssertionError(e);
- }
- }
- }
-
- protected void setThrottled(boolean throttled) {
- mThrottled = throttled;
- }
-
- private static Bitmap getBorderLine(
- boolean vertical, Config config, int length) {
- BorderKey key = sBorderKey;
- key.vertical = vertical;
- key.config = config;
- key.length = length;
- Bitmap bitmap = sBorderLines.get(key);
- if (bitmap == null) {
- bitmap = vertical
- ? Bitmap.createBitmap(1, length, config)
- : Bitmap.createBitmap(length, 1, config);
- sBorderLines.put(key.clone(), bitmap);
- }
- return bitmap;
- }
-
- private Bitmap getBitmap() {
- if (mBitmap == null) {
- mBitmap = onGetBitmap();
- int w = mBitmap.getWidth() + mBorder * 2;
- int h = mBitmap.getHeight() + mBorder * 2;
- if (mWidth == UNSPECIFIED) {
- setSize(w, h);
- }
- }
- return mBitmap;
- }
-
- private void freeBitmap() {
- Assert.assertTrue(mBitmap != null);
- onFreeBitmap(mBitmap);
- mBitmap = null;
- }
-
- @Override
- public int getWidth() {
- if (mWidth == UNSPECIFIED) getBitmap();
- return mWidth;
- }
-
- @Override
- public int getHeight() {
- if (mWidth == UNSPECIFIED) getBitmap();
- return mHeight;
- }
-
- protected abstract Bitmap onGetBitmap();
-
- protected abstract void onFreeBitmap(Bitmap bitmap);
-
- protected void invalidateContent() {
- if (mBitmap != null) freeBitmap();
- mContentValid = false;
- mWidth = UNSPECIFIED;
- mHeight = UNSPECIFIED;
- }
-
- /**
- * Whether the content on GPU is valid.
- */
- public boolean isContentValid() {
- return isLoaded() && mContentValid;
- }
-
- /**
- * Updates the content on GPU's memory.
- * @param canvas
- */
- public void updateContent(GLCanvas canvas) {
- if (!isLoaded()) {
- if (mThrottled && ++sUploadedCount > UPLOAD_LIMIT) {
- return;
- }
- uploadToCanvas(canvas);
- } else if (!mContentValid) {
- Bitmap bitmap = getBitmap();
- int format = GLUtils.getInternalFormat(bitmap);
- int type = GLUtils.getType(bitmap);
- canvas.texSubImage2D(this, mBorder, mBorder, bitmap, format, type);
- freeBitmap();
- mContentValid = true;
- }
- }
-
- public static void resetUploadLimit() {
- sUploadedCount = 0;
- }
-
- public static boolean uploadLimitReached() {
- return sUploadedCount > UPLOAD_LIMIT;
- }
-
- private void uploadToCanvas(GLCanvas canvas) {
-
- Bitmap bitmap = getBitmap();
- if (bitmap != null) {
- try {
- int bWidth = bitmap.getWidth();
- int bHeight = bitmap.getHeight();
- int width = bWidth + mBorder * 2;
- int height = bHeight + mBorder * 2;
- int texWidth = getTextureWidth();
- int texHeight = getTextureHeight();
-
- Assert.assertTrue(bWidth <= texWidth && bHeight <= texHeight);
-
- // Upload the bitmap to a new texture.
- mId = canvas.getGLId().generateTexture();
- canvas.setTextureParameters(this);
-
- if (bWidth == texWidth && bHeight == texHeight) {
- canvas.initializeTexture(this, bitmap);
- } else {
- int format = GLUtils.getInternalFormat(bitmap);
- int type = GLUtils.getType(bitmap);
- Config config = bitmap.getConfig();
-
- canvas.initializeTextureSize(this, format, type);
- canvas.texSubImage2D(this, mBorder, mBorder, bitmap, format, type);
-
- if (mBorder > 0) {
- // Left border
- Bitmap line = getBorderLine(true, config, texHeight);
- canvas.texSubImage2D(this, 0, 0, line, format, type);
-
- // Top border
- line = getBorderLine(false, config, texWidth);
- canvas.texSubImage2D(this, 0, 0, line, format, type);
- }
-
- // Right border
- if (mBorder + bWidth < texWidth) {
- Bitmap line = getBorderLine(true, config, texHeight);
- canvas.texSubImage2D(this, mBorder + bWidth, 0, line, format, type);
- }
-
- // Bottom border
- if (mBorder + bHeight < texHeight) {
- Bitmap line = getBorderLine(false, config, texWidth);
- canvas.texSubImage2D(this, 0, mBorder + bHeight, line, format, type);
- }
- }
- } finally {
- freeBitmap();
- }
- // Update texture state.
- setAssociatedCanvas(canvas);
- mState = STATE_LOADED;
- mContentValid = true;
- } else {
- mState = STATE_ERROR;
- throw new RuntimeException("Texture load fail, no bitmap");
- }
- }
-
- @Override
- protected boolean onBind(GLCanvas canvas) {
- updateContent(canvas);
- return isContentValid();
- }
-
- @Override
- protected int getTarget() {
- return GL11.GL_TEXTURE_2D;
- }
-
- public void setOpaque(boolean isOpaque) {
- mOpaque = isOpaque;
- }
-
- @Override
- public boolean isOpaque() {
- return mOpaque;
- }
-
- @Override
- public void recycle() {
- super.recycle();
- if (mBitmap != null) freeBitmap();
- }
-} \ No newline at end of file
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