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-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/BasicTexture.java212
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/BitmapTexture.java54
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/GLCanvas.java217
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20Canvas.java1009
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20IdImpl.java42
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/GLId.java33
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/GLPaint.java41
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/RawTexture.java73
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/Texture.java44
-rw-r--r--wallpaper_picker_src/com/android/gallery3d/glrenderer/UploadedTexture.java298
10 files changed, 0 insertions, 2023 deletions
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/BasicTexture.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/BasicTexture.java
deleted file mode 100644
index 2e77b903f..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/BasicTexture.java
+++ /dev/null
@@ -1,212 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.glrenderer;
-
-import android.util.Log;
-
-import com.android.gallery3d.common.Utils;
-
-import java.util.WeakHashMap;
-
-// BasicTexture is a Texture corresponds to a real GL texture.
-// The state of a BasicTexture indicates whether its data is loaded to GL memory.
-// If a BasicTexture is loaded into GL memory, it has a GL texture id.
-public abstract class BasicTexture implements Texture {
-
- @SuppressWarnings("unused")
- private static final String TAG = "BasicTexture";
- protected static final int UNSPECIFIED = -1;
-
- protected static final int STATE_UNLOADED = 0;
- protected static final int STATE_LOADED = 1;
- protected static final int STATE_ERROR = -1;
-
- // Log a warning if a texture is larger along a dimension
- private static final int MAX_TEXTURE_SIZE = 4096;
-
- protected int mId = -1;
- protected int mState;
-
- protected int mWidth = UNSPECIFIED;
- protected int mHeight = UNSPECIFIED;
-
- protected int mTextureWidth;
- protected int mTextureHeight;
-
- private boolean mHasBorder;
-
- protected GLCanvas mCanvasRef = null;
- private static WeakHashMap<BasicTexture, Object> sAllTextures
- = new WeakHashMap<BasicTexture, Object>();
- private static ThreadLocal sInFinalizer = new ThreadLocal();
-
- protected BasicTexture(GLCanvas canvas, int id, int state) {
- setAssociatedCanvas(canvas);
- mId = id;
- mState = state;
- synchronized (sAllTextures) {
- sAllTextures.put(this, null);
- }
- }
-
- protected BasicTexture() {
- this(null, 0, STATE_UNLOADED);
- }
-
- protected void setAssociatedCanvas(GLCanvas canvas) {
- mCanvasRef = canvas;
- }
-
- /**
- * Sets the content size of this texture. In OpenGL, the actual texture
- * size must be of power of 2, the size of the content may be smaller.
- */
- public void setSize(int width, int height) {
- mWidth = width;
- mHeight = height;
- mTextureWidth = width > 0 ? Utils.nextPowerOf2(width) : 0;
- mTextureHeight = height > 0 ? Utils.nextPowerOf2(height) : 0;
- if (mTextureWidth > MAX_TEXTURE_SIZE || mTextureHeight > MAX_TEXTURE_SIZE) {
- Log.w(TAG, String.format("texture is too large: %d x %d",
- mTextureWidth, mTextureHeight), new Exception());
- }
- }
-
- public boolean isFlippedVertically() {
- return false;
- }
-
- public int getId() {
- return mId;
- }
-
- @Override
- public int getWidth() {
- return mWidth;
- }
-
- @Override
- public int getHeight() {
- return mHeight;
- }
-
- // Returns the width rounded to the next power of 2.
- public int getTextureWidth() {
- return mTextureWidth;
- }
-
- // Returns the height rounded to the next power of 2.
- public int getTextureHeight() {
- return mTextureHeight;
- }
-
- // Returns true if the texture has one pixel transparent border around the
- // actual content. This is used to avoid jigged edges.
- //
- // The jigged edges appear because we use GL_CLAMP_TO_EDGE for texture wrap
- // mode (GL_CLAMP is not available in OpenGL ES), so a pixel partially
- // covered by the texture will use the color of the edge texel. If we add
- // the transparent border, the color of the edge texel will be mixed with
- // appropriate amount of transparent.
- //
- // Currently our background is black, so we can draw the thumbnails without
- // enabling blending.
- public boolean hasBorder() {
- return mHasBorder;
- }
-
- protected void setBorder(boolean hasBorder) {
- mHasBorder = hasBorder;
- }
-
- @Override
- public void draw(GLCanvas canvas, int x, int y) {
- canvas.drawTexture(this, x, y, getWidth(), getHeight());
- }
-
- @Override
- public void draw(GLCanvas canvas, int x, int y, int w, int h) {
- canvas.drawTexture(this, x, y, w, h);
- }
-
- // onBind is called before GLCanvas binds this texture.
- // It should make sure the data is uploaded to GL memory.
- abstract protected boolean onBind(GLCanvas canvas);
-
- // Returns the GL texture target for this texture (e.g. GL_TEXTURE_2D).
- abstract protected int getTarget();
-
- public boolean isLoaded() {
- return mState == STATE_LOADED;
- }
-
- // recycle() is called when the texture will never be used again,
- // so it can free all resources.
- public void recycle() {
- freeResource();
- }
-
- // yield() is called when the texture will not be used temporarily,
- // so it can free some resources.
- // The default implementation unloads the texture from GL memory, so
- // the subclass should make sure it can reload the texture to GL memory
- // later, or it will have to override this method.
- public void yield() {
- freeResource();
- }
-
- private void freeResource() {
- GLCanvas canvas = mCanvasRef;
- if (canvas != null && mId != -1) {
- canvas.unloadTexture(this);
- mId = -1; // Don't free it again.
- }
- mState = STATE_UNLOADED;
- setAssociatedCanvas(null);
- }
-
- @Override
- protected void finalize() {
- sInFinalizer.set(BasicTexture.class);
- recycle();
- sInFinalizer.set(null);
- }
-
- // This is for deciding if we can call Bitmap's recycle().
- // We cannot call Bitmap's recycle() in finalizer because at that point
- // the finalizer of Bitmap may already be called so recycle() will crash.
- public static boolean inFinalizer() {
- return sInFinalizer.get() != null;
- }
-
- public static void yieldAllTextures() {
- synchronized (sAllTextures) {
- for (BasicTexture t : sAllTextures.keySet()) {
- t.yield();
- }
- }
- }
-
- public static void invalidateAllTextures() {
- synchronized (sAllTextures) {
- for (BasicTexture t : sAllTextures.keySet()) {
- t.mState = STATE_UNLOADED;
- t.setAssociatedCanvas(null);
- }
- }
- }
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/BitmapTexture.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/BitmapTexture.java
deleted file mode 100644
index 100b0b3b9..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/BitmapTexture.java
+++ /dev/null
@@ -1,54 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.glrenderer;
-
-import android.graphics.Bitmap;
-
-import junit.framework.Assert;
-
-// BitmapTexture is a texture whose content is specified by a fixed Bitmap.
-//
-// The texture does not own the Bitmap. The user should make sure the Bitmap
-// is valid during the texture's lifetime. When the texture is recycled, it
-// does not free the Bitmap.
-public class BitmapTexture extends UploadedTexture {
- protected Bitmap mContentBitmap;
-
- public BitmapTexture(Bitmap bitmap) {
- this(bitmap, false);
- }
-
- public BitmapTexture(Bitmap bitmap, boolean hasBorder) {
- super(hasBorder);
- Assert.assertTrue(bitmap != null && !bitmap.isRecycled());
- mContentBitmap = bitmap;
- }
-
- @Override
- protected void onFreeBitmap(Bitmap bitmap) {
- // Do nothing.
- }
-
- @Override
- protected Bitmap onGetBitmap() {
- return mContentBitmap;
- }
-
- public Bitmap getBitmap() {
- return mContentBitmap;
- }
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLCanvas.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLCanvas.java
deleted file mode 100644
index 305e90521..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLCanvas.java
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.glrenderer;
-
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-import android.graphics.RectF;
-
-import javax.microedition.khronos.opengles.GL11;
-
-//
-// GLCanvas gives a convenient interface to draw using OpenGL.
-//
-// When a rectangle is specified in this interface, it means the region
-// [x, x+width) * [y, y+height)
-//
-public interface GLCanvas {
-
- public GLId getGLId();
-
- // Tells GLCanvas the size of the underlying GL surface. This should be
- // called before first drawing and when the size of GL surface is changed.
- // This is called by GLRoot and should not be called by the clients
- // who only want to draw on the GLCanvas. Both width and height must be
- // nonnegative.
- public abstract void setSize(int width, int height);
-
- // Clear the drawing buffers. This should only be used by GLRoot.
- public abstract void clearBuffer();
-
- public abstract void clearBuffer(float[] argb);
-
- // Sets and gets the current alpha, alpha must be in [0, 1].
- public abstract void setAlpha(float alpha);
-
- public abstract float getAlpha();
-
- // (current alpha) = (current alpha) * alpha
- public abstract void multiplyAlpha(float alpha);
-
- // Change the current transform matrix.
- public abstract void translate(float x, float y, float z);
-
- public abstract void translate(float x, float y);
-
- public abstract void scale(float sx, float sy, float sz);
-
- public abstract void rotate(float angle, float x, float y, float z);
-
- public abstract void multiplyMatrix(float[] mMatrix, int offset);
-
- // Pushes the configuration state (matrix, and alpha) onto
- // a private stack.
- public abstract void save();
-
- // Same as save(), but only save those specified in saveFlags.
- public abstract void save(int saveFlags);
-
- public static final int SAVE_FLAG_ALL = 0xFFFFFFFF;
- public static final int SAVE_FLAG_ALPHA = 0x01;
- public static final int SAVE_FLAG_MATRIX = 0x02;
-
- // Pops from the top of the stack as current configuration state (matrix,
- // alpha, and clip). This call balances a previous call to save(), and is
- // used to remove all modifications to the configuration state since the
- // last save call.
- public abstract void restore();
-
- // Draws a line using the specified paint from (x1, y1) to (x2, y2).
- // (Both end points are included).
- public abstract void drawLine(float x1, float y1, float x2, float y2, GLPaint paint);
-
- // Draws a rectangle using the specified paint from (x1, y1) to (x2, y2).
- // (Both end points are included).
- public abstract void drawRect(float x1, float y1, float x2, float y2, GLPaint paint);
-
- // Fills the specified rectangle with the specified color.
- public abstract void fillRect(float x, float y, float width, float height, int color);
-
- // Draws a texture to the specified rectangle.
- public abstract void drawTexture(
- BasicTexture texture, int x, int y, int width, int height);
-
- public abstract void drawMesh(BasicTexture tex, int x, int y, int xyBuffer,
- int uvBuffer, int indexBuffer, int indexCount);
-
- // Draws the source rectangle part of the texture to the target rectangle.
- public abstract void drawTexture(BasicTexture texture, RectF source, RectF target);
-
- // Draw a texture with a specified texture transform.
- public abstract void drawTexture(BasicTexture texture, float[] mTextureTransform,
- int x, int y, int w, int h);
-
- // Draw two textures to the specified rectangle. The actual texture used is
- // from * (1 - ratio) + to * ratio
- // The two textures must have the same size.
- public abstract void drawMixed(BasicTexture from, int toColor,
- float ratio, int x, int y, int w, int h);
-
- // Draw a region of a texture and a specified color to the specified
- // rectangle. The actual color used is from * (1 - ratio) + to * ratio.
- // The region of the texture is defined by parameter "src". The target
- // rectangle is specified by parameter "target".
- public abstract void drawMixed(BasicTexture from, int toColor,
- float ratio, RectF src, RectF target);
-
- // Unloads the specified texture from the canvas. The resource allocated
- // to draw the texture will be released. The specified texture will return
- // to the unloaded state. This function should be called only from
- // BasicTexture or its descendant
- public abstract boolean unloadTexture(BasicTexture texture);
-
- // Delete the specified buffer object, similar to unloadTexture.
- public abstract void deleteBuffer(int bufferId);
-
- // Delete the textures and buffers in GL side. This function should only be
- // called in the GL thread.
- public abstract void deleteRecycledResources();
-
- // Dump statistics information and clear the counters. For debug only.
- public abstract void dumpStatisticsAndClear();
-
- public abstract void beginRenderTarget(RawTexture texture);
-
- public abstract void endRenderTarget();
-
- /**
- * Sets texture parameters to use GL_CLAMP_TO_EDGE for both
- * GL_TEXTURE_WRAP_S and GL_TEXTURE_WRAP_T. Sets texture parameters to be
- * GL_LINEAR for GL_TEXTURE_MIN_FILTER and GL_TEXTURE_MAG_FILTER.
- * bindTexture() must be called prior to this.
- *
- * @param texture The texture to set parameters on.
- */
- public abstract void setTextureParameters(BasicTexture texture);
-
- /**
- * Initializes the texture to a size by calling texImage2D on it.
- *
- * @param texture The texture to initialize the size.
- * @param format The texture format (e.g. GL_RGBA)
- * @param type The texture type (e.g. GL_UNSIGNED_BYTE)
- */
- public abstract void initializeTextureSize(BasicTexture texture, int format, int type);
-
- /**
- * Initializes the texture to a size by calling texImage2D on it.
- *
- * @param texture The texture to initialize the size.
- * @param bitmap The bitmap to initialize the bitmap with.
- */
- public abstract void initializeTexture(BasicTexture texture, Bitmap bitmap);
-
- /**
- * Calls glTexSubImage2D to upload a bitmap to the texture.
- *
- * @param texture The target texture to write to.
- * @param xOffset Specifies a texel offset in the x direction within the
- * texture array.
- * @param yOffset Specifies a texel offset in the y direction within the
- * texture array.
- * @param format The texture format (e.g. GL_RGBA)
- * @param type The texture type (e.g. GL_UNSIGNED_BYTE)
- */
- public abstract void texSubImage2D(BasicTexture texture, int xOffset, int yOffset,
- Bitmap bitmap,
- int format, int type);
-
- /**
- * Generates buffers and uploads the buffer data.
- *
- * @param buffer The buffer to upload
- * @return The buffer ID that was generated.
- */
- public abstract int uploadBuffer(java.nio.FloatBuffer buffer);
-
- /**
- * Generates buffers and uploads the element array buffer data.
- *
- * @param buffer The buffer to upload
- * @return The buffer ID that was generated.
- */
- public abstract int uploadBuffer(java.nio.ByteBuffer buffer);
-
- /**
- * After LightCycle makes GL calls, this method is called to restore the GL
- * configuration to the one expected by GLCanvas.
- */
- public abstract void recoverFromLightCycle();
-
- /**
- * Gets the bounds given by x, y, width, and height as well as the internal
- * matrix state. There is no special handling for non-90-degree rotations.
- * It only considers the lower-left and upper-right corners as the bounds.
- *
- * @param bounds The output bounds to write to.
- * @param x The left side of the input rectangle.
- * @param y The bottom of the input rectangle.
- * @param width The width of the input rectangle.
- * @param height The height of the input rectangle.
- */
- public abstract void getBounds(Rect bounds, int x, int y, int width, int height);
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20Canvas.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20Canvas.java
deleted file mode 100644
index 4ead1315e..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20Canvas.java
+++ /dev/null
@@ -1,1009 +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.gallery3d.glrenderer;
-
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.opengl.GLES20;
-import android.opengl.GLUtils;
-import android.opengl.Matrix;
-import android.util.Log;
-
-import com.android.gallery3d.util.IntArray;
-
-import java.nio.Buffer;
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.FloatBuffer;
-import java.util.ArrayList;
-import java.util.Arrays;
-
-public class GLES20Canvas implements GLCanvas {
- // ************** Constants **********************
- private static final String TAG = GLES20Canvas.class.getSimpleName();
- private static final int FLOAT_SIZE = Float.SIZE / Byte.SIZE;
- private static final float OPAQUE_ALPHA = 0.95f;
-
- private static final int COORDS_PER_VERTEX = 2;
- private static final int VERTEX_STRIDE = COORDS_PER_VERTEX * FLOAT_SIZE;
-
- private static final int COUNT_FILL_VERTEX = 4;
- private static final int COUNT_LINE_VERTEX = 2;
- private static final int COUNT_RECT_VERTEX = 4;
- private static final int OFFSET_FILL_RECT = 0;
- private static final int OFFSET_DRAW_LINE = OFFSET_FILL_RECT + COUNT_FILL_VERTEX;
- private static final int OFFSET_DRAW_RECT = OFFSET_DRAW_LINE + COUNT_LINE_VERTEX;
-
- private static final float[] BOX_COORDINATES = {
- 0, 0, // Fill rectangle
- 1, 0,
- 0, 1,
- 1, 1,
- 0, 0, // Draw line
- 1, 1,
- 0, 0, // Draw rectangle outline
- 0, 1,
- 1, 1,
- 1, 0,
- };
-
- private static final float[] BOUNDS_COORDINATES = {
- 0, 0, 0, 1,
- 1, 1, 0, 1,
- };
-
- private static final String POSITION_ATTRIBUTE = "aPosition";
- private static final String COLOR_UNIFORM = "uColor";
- private static final String MATRIX_UNIFORM = "uMatrix";
- private static final String TEXTURE_MATRIX_UNIFORM = "uTextureMatrix";
- private static final String TEXTURE_SAMPLER_UNIFORM = "uTextureSampler";
- private static final String ALPHA_UNIFORM = "uAlpha";
- private static final String TEXTURE_COORD_ATTRIBUTE = "aTextureCoordinate";
-
- private static final String DRAW_VERTEX_SHADER = ""
- + "uniform mat4 " + MATRIX_UNIFORM + ";\n"
- + "attribute vec2 " + POSITION_ATTRIBUTE + ";\n"
- + "void main() {\n"
- + " vec4 pos = vec4(" + POSITION_ATTRIBUTE + ", 0.0, 1.0);\n"
- + " gl_Position = " + MATRIX_UNIFORM + " * pos;\n"
- + "}\n";
-
- private static final String DRAW_FRAGMENT_SHADER = ""
- + "precision mediump float;\n"
- + "uniform vec4 " + COLOR_UNIFORM + ";\n"
- + "void main() {\n"
- + " gl_FragColor = " + COLOR_UNIFORM + ";\n"
- + "}\n";
-
- private static final String TEXTURE_VERTEX_SHADER = ""
- + "uniform mat4 " + MATRIX_UNIFORM + ";\n"
- + "uniform mat4 " + TEXTURE_MATRIX_UNIFORM + ";\n"
- + "attribute vec2 " + POSITION_ATTRIBUTE + ";\n"
- + "varying vec2 vTextureCoord;\n"
- + "void main() {\n"
- + " vec4 pos = vec4(" + POSITION_ATTRIBUTE + ", 0.0, 1.0);\n"
- + " gl_Position = " + MATRIX_UNIFORM + " * pos;\n"
- + " vTextureCoord = (" + TEXTURE_MATRIX_UNIFORM + " * pos).xy;\n"
- + "}\n";
-
- private static final String MESH_VERTEX_SHADER = ""
- + "uniform mat4 " + MATRIX_UNIFORM + ";\n"
- + "attribute vec2 " + POSITION_ATTRIBUTE + ";\n"
- + "attribute vec2 " + TEXTURE_COORD_ATTRIBUTE + ";\n"
- + "varying vec2 vTextureCoord;\n"
- + "void main() {\n"
- + " vec4 pos = vec4(" + POSITION_ATTRIBUTE + ", 0.0, 1.0);\n"
- + " gl_Position = " + MATRIX_UNIFORM + " * pos;\n"
- + " vTextureCoord = " + TEXTURE_COORD_ATTRIBUTE + ";\n"
- + "}\n";
-
- private static final String TEXTURE_FRAGMENT_SHADER = ""
- + "precision mediump float;\n"
- + "varying vec2 vTextureCoord;\n"
- + "uniform float " + ALPHA_UNIFORM + ";\n"
- + "uniform sampler2D " + TEXTURE_SAMPLER_UNIFORM + ";\n"
- + "void main() {\n"
- + " gl_FragColor = texture2D(" + TEXTURE_SAMPLER_UNIFORM + ", vTextureCoord);\n"
- + " gl_FragColor *= " + ALPHA_UNIFORM + ";\n"
- + "}\n";
-
- private static final String OES_TEXTURE_FRAGMENT_SHADER = ""
- + "#extension GL_OES_EGL_image_external : require\n"
- + "precision mediump float;\n"
- + "varying vec2 vTextureCoord;\n"
- + "uniform float " + ALPHA_UNIFORM + ";\n"
- + "uniform samplerExternalOES " + TEXTURE_SAMPLER_UNIFORM + ";\n"
- + "void main() {\n"
- + " gl_FragColor = texture2D(" + TEXTURE_SAMPLER_UNIFORM + ", vTextureCoord);\n"
- + " gl_FragColor *= " + ALPHA_UNIFORM + ";\n"
- + "}\n";
-
- private static final int INITIAL_RESTORE_STATE_SIZE = 8;
- private static final int MATRIX_SIZE = 16;
-
- // Keep track of restore state
- private float[] mMatrices = new float[INITIAL_RESTORE_STATE_SIZE * MATRIX_SIZE];
- private float[] mAlphas = new float[INITIAL_RESTORE_STATE_SIZE];
- private IntArray mSaveFlags = new IntArray();
-
- private int mCurrentAlphaIndex = 0;
- private int mCurrentMatrixIndex = 0;
-
- // Viewport size
- private int mWidth;
- private int mHeight;
-
- // Projection matrix
- private float[] mProjectionMatrix = new float[MATRIX_SIZE];
-
- // Screen size for when we aren't bound to a texture
- private int mScreenWidth;
- private int mScreenHeight;
-
- // GL programs
- private int mDrawProgram;
- private int mTextureProgram;
- private int mOesTextureProgram;
- private int mMeshProgram;
-
- // GL buffer containing BOX_COORDINATES
- private int mBoxCoordinates;
-
- // Handle indices -- common
- private static final int INDEX_POSITION = 0;
- private static final int INDEX_MATRIX = 1;
-
- // Handle indices -- draw
- private static final int INDEX_COLOR = 2;
-
- // Handle indices -- texture
- private static final int INDEX_TEXTURE_MATRIX = 2;
- private static final int INDEX_TEXTURE_SAMPLER = 3;
- private static final int INDEX_ALPHA = 4;
-
- // Handle indices -- mesh
- private static final int INDEX_TEXTURE_COORD = 2;
-
- private abstract static class ShaderParameter {
- public int handle;
- protected final String mName;
-
- public ShaderParameter(String name) {
- mName = name;
- }
-
- public abstract void loadHandle(int program);
- }
-
- private static class UniformShaderParameter extends ShaderParameter {
- public UniformShaderParameter(String name) {
- super(name);
- }
-
- @Override
- public void loadHandle(int program) {
- handle = GLES20.glGetUniformLocation(program, mName);
- checkError();
- }
- }
-
- private static class AttributeShaderParameter extends ShaderParameter {
- public AttributeShaderParameter(String name) {
- super(name);
- }
-
- @Override
- public void loadHandle(int program) {
- handle = GLES20.glGetAttribLocation(program, mName);
- checkError();
- }
- }
-
- ShaderParameter[] mDrawParameters = {
- new AttributeShaderParameter(POSITION_ATTRIBUTE), // INDEX_POSITION
- new UniformShaderParameter(MATRIX_UNIFORM), // INDEX_MATRIX
- new UniformShaderParameter(COLOR_UNIFORM), // INDEX_COLOR
- };
- ShaderParameter[] mTextureParameters = {
- new AttributeShaderParameter(POSITION_ATTRIBUTE), // INDEX_POSITION
- new UniformShaderParameter(MATRIX_UNIFORM), // INDEX_MATRIX
- new UniformShaderParameter(TEXTURE_MATRIX_UNIFORM), // INDEX_TEXTURE_MATRIX
- new UniformShaderParameter(TEXTURE_SAMPLER_UNIFORM), // INDEX_TEXTURE_SAMPLER
- new UniformShaderParameter(ALPHA_UNIFORM), // INDEX_ALPHA
- };
- ShaderParameter[] mOesTextureParameters = {
- new AttributeShaderParameter(POSITION_ATTRIBUTE), // INDEX_POSITION
- new UniformShaderParameter(MATRIX_UNIFORM), // INDEX_MATRIX
- new UniformShaderParameter(TEXTURE_MATRIX_UNIFORM), // INDEX_TEXTURE_MATRIX
- new UniformShaderParameter(TEXTURE_SAMPLER_UNIFORM), // INDEX_TEXTURE_SAMPLER
- new UniformShaderParameter(ALPHA_UNIFORM), // INDEX_ALPHA
- };
- ShaderParameter[] mMeshParameters = {
- new AttributeShaderParameter(POSITION_ATTRIBUTE), // INDEX_POSITION
- new UniformShaderParameter(MATRIX_UNIFORM), // INDEX_MATRIX
- new AttributeShaderParameter(TEXTURE_COORD_ATTRIBUTE), // INDEX_TEXTURE_COORD
- new UniformShaderParameter(TEXTURE_SAMPLER_UNIFORM), // INDEX_TEXTURE_SAMPLER
- new UniformShaderParameter(ALPHA_UNIFORM), // INDEX_ALPHA
- };
-
- private final IntArray mUnboundTextures = new IntArray();
- private final IntArray mDeleteBuffers = new IntArray();
-
- // Keep track of statistics for debugging
- private int mCountDrawMesh = 0;
- private int mCountTextureRect = 0;
- private int mCountFillRect = 0;
- private int mCountDrawLine = 0;
-
- // Buffer for framebuffer IDs -- we keep track so we can switch the attached
- // texture.
- private int[] mFrameBuffer = new int[1];
-
- // Bound textures.
- private ArrayList<RawTexture> mTargetTextures = new ArrayList<RawTexture>();
-
- // Temporary variables used within calculations
- private final float[] mTempMatrix = new float[32];
- private final float[] mTempColor = new float[4];
- private final RectF mTempSourceRect = new RectF();
- private final RectF mTempTargetRect = new RectF();
- private final float[] mTempTextureMatrix = new float[MATRIX_SIZE];
- private final int[] mTempIntArray = new int[1];
-
- private static final GLId mGLId = new GLES20IdImpl();
-
- public GLES20Canvas() {
- Matrix.setIdentityM(mTempTextureMatrix, 0);
- Matrix.setIdentityM(mMatrices, mCurrentMatrixIndex);
- mAlphas[mCurrentAlphaIndex] = 1f;
- mTargetTextures.add(null);
-
- FloatBuffer boxBuffer = createBuffer(BOX_COORDINATES);
- mBoxCoordinates = uploadBuffer(boxBuffer);
-
- int drawVertexShader = loadShader(GLES20.GL_VERTEX_SHADER, DRAW_VERTEX_SHADER);
- int textureVertexShader = loadShader(GLES20.GL_VERTEX_SHADER, TEXTURE_VERTEX_SHADER);
- int meshVertexShader = loadShader(GLES20.GL_VERTEX_SHADER, MESH_VERTEX_SHADER);
- int drawFragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, DRAW_FRAGMENT_SHADER);
- int textureFragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER, TEXTURE_FRAGMENT_SHADER);
- int oesTextureFragmentShader = loadShader(GLES20.GL_FRAGMENT_SHADER,
- OES_TEXTURE_FRAGMENT_SHADER);
-
- mDrawProgram = assembleProgram(drawVertexShader, drawFragmentShader, mDrawParameters);
- mTextureProgram = assembleProgram(textureVertexShader, textureFragmentShader,
- mTextureParameters);
- mOesTextureProgram = assembleProgram(textureVertexShader, oesTextureFragmentShader,
- mOesTextureParameters);
- mMeshProgram = assembleProgram(meshVertexShader, textureFragmentShader, mMeshParameters);
- GLES20.glBlendFunc(GLES20.GL_ONE, GLES20.GL_ONE_MINUS_SRC_ALPHA);
- checkError();
- }
-
- private static FloatBuffer createBuffer(float[] values) {
- // First create an nio buffer, then create a VBO from it.
- int size = values.length * FLOAT_SIZE;
- FloatBuffer buffer = ByteBuffer.allocateDirect(size).order(ByteOrder.nativeOrder())
- .asFloatBuffer();
- buffer.put(values, 0, values.length).position(0);
- return buffer;
- }
-
- private int assembleProgram(int vertexShader, int fragmentShader, ShaderParameter[] params) {
- int program = GLES20.glCreateProgram();
- checkError();
- if (program == 0) {
- throw new RuntimeException("Cannot create GL program: " + GLES20.glGetError());
- }
- GLES20.glAttachShader(program, vertexShader);
- checkError();
- GLES20.glAttachShader(program, fragmentShader);
- checkError();
- GLES20.glLinkProgram(program);
- checkError();
- int[] mLinkStatus = mTempIntArray;
- GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, mLinkStatus, 0);
- if (mLinkStatus[0] != GLES20.GL_TRUE) {
- Log.e(TAG, "Could not link program: ");
- Log.e(TAG, GLES20.glGetProgramInfoLog(program));
- GLES20.glDeleteProgram(program);
- program = 0;
- }
- for (int i = 0; i < params.length; i++) {
- params[i].loadHandle(program);
- }
- return program;
- }
-
- private static int loadShader(int type, String shaderCode) {
- // create a vertex shader type (GLES20.GL_VERTEX_SHADER)
- // or a fragment shader type (GLES20.GL_FRAGMENT_SHADER)
- int shader = GLES20.glCreateShader(type);
-
- // add the source code to the shader and compile it
- GLES20.glShaderSource(shader, shaderCode);
- checkError();
- GLES20.glCompileShader(shader);
- checkError();
-
- return shader;
- }
-
- @Override
- public void setSize(int width, int height) {
- mWidth = width;
- mHeight = height;
- GLES20.glViewport(0, 0, mWidth, mHeight);
- checkError();
- Matrix.setIdentityM(mMatrices, mCurrentMatrixIndex);
- Matrix.orthoM(mProjectionMatrix, 0, 0, width, 0, height, -1, 1);
- if (getTargetTexture() == null) {
- mScreenWidth = width;
- mScreenHeight = height;
- Matrix.translateM(mMatrices, mCurrentMatrixIndex, 0, height, 0);
- Matrix.scaleM(mMatrices, mCurrentMatrixIndex, 1, -1, 1);
- }
- }
-
- @Override
- public void clearBuffer() {
- GLES20.glClearColor(0f, 0f, 0f, 1f);
- checkError();
- GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
- checkError();
- }
-
- @Override
- public void clearBuffer(float[] argb) {
- GLES20.glClearColor(argb[1], argb[2], argb[3], argb[0]);
- checkError();
- GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
- checkError();
- }
-
- @Override
- public float getAlpha() {
- return mAlphas[mCurrentAlphaIndex];
- }
-
- @Override
- public void setAlpha(float alpha) {
- mAlphas[mCurrentAlphaIndex] = alpha;
- }
-
- @Override
- public void multiplyAlpha(float alpha) {
- setAlpha(getAlpha() * alpha);
- }
-
- @Override
- public void translate(float x, float y, float z) {
- Matrix.translateM(mMatrices, mCurrentMatrixIndex, x, y, z);
- }
-
- // This is a faster version of translate(x, y, z) because
- // (1) we knows z = 0, (2) we inline the Matrix.translateM call,
- // (3) we unroll the loop
- @Override
- public void translate(float x, float y) {
- int index = mCurrentMatrixIndex;
- float[] m = mMatrices;
- m[index + 12] += m[index + 0] * x + m[index + 4] * y;
- m[index + 13] += m[index + 1] * x + m[index + 5] * y;
- m[index + 14] += m[index + 2] * x + m[index + 6] * y;
- m[index + 15] += m[index + 3] * x + m[index + 7] * y;
- }
-
- @Override
- public void scale(float sx, float sy, float sz) {
- Matrix.scaleM(mMatrices, mCurrentMatrixIndex, sx, sy, sz);
- }
-
- @Override
- public void rotate(float angle, float x, float y, float z) {
- if (angle == 0f) {
- return;
- }
- float[] temp = mTempMatrix;
- Matrix.setRotateM(temp, 0, angle, x, y, z);
- float[] matrix = mMatrices;
- int index = mCurrentMatrixIndex;
- Matrix.multiplyMM(temp, MATRIX_SIZE, matrix, index, temp, 0);
- System.arraycopy(temp, MATRIX_SIZE, matrix, index, MATRIX_SIZE);
- }
-
- @Override
- public void multiplyMatrix(float[] matrix, int offset) {
- float[] temp = mTempMatrix;
- float[] currentMatrix = mMatrices;
- int index = mCurrentMatrixIndex;
- Matrix.multiplyMM(temp, 0, currentMatrix, index, matrix, offset);
- System.arraycopy(temp, 0, currentMatrix, index, 16);
- }
-
- @Override
- public void save() {
- save(SAVE_FLAG_ALL);
- }
-
- @Override
- public void save(int saveFlags) {
- boolean saveAlpha = (saveFlags & SAVE_FLAG_ALPHA) == SAVE_FLAG_ALPHA;
- if (saveAlpha) {
- float currentAlpha = getAlpha();
- mCurrentAlphaIndex++;
- if (mAlphas.length <= mCurrentAlphaIndex) {
- mAlphas = Arrays.copyOf(mAlphas, mAlphas.length * 2);
- }
- mAlphas[mCurrentAlphaIndex] = currentAlpha;
- }
- boolean saveMatrix = (saveFlags & SAVE_FLAG_MATRIX) == SAVE_FLAG_MATRIX;
- if (saveMatrix) {
- int currentIndex = mCurrentMatrixIndex;
- mCurrentMatrixIndex += MATRIX_SIZE;
- if (mMatrices.length <= mCurrentMatrixIndex) {
- mMatrices = Arrays.copyOf(mMatrices, mMatrices.length * 2);
- }
- System.arraycopy(mMatrices, currentIndex, mMatrices, mCurrentMatrixIndex, MATRIX_SIZE);
- }
- mSaveFlags.add(saveFlags);
- }
-
- @Override
- public void restore() {
- int restoreFlags = mSaveFlags.removeLast();
- boolean restoreAlpha = (restoreFlags & SAVE_FLAG_ALPHA) == SAVE_FLAG_ALPHA;
- if (restoreAlpha) {
- mCurrentAlphaIndex--;
- }
- boolean restoreMatrix = (restoreFlags & SAVE_FLAG_MATRIX) == SAVE_FLAG_MATRIX;
- if (restoreMatrix) {
- mCurrentMatrixIndex -= MATRIX_SIZE;
- }
- }
-
- @Override
- public void drawLine(float x1, float y1, float x2, float y2, GLPaint paint) {
- draw(GLES20.GL_LINE_STRIP, OFFSET_DRAW_LINE, COUNT_LINE_VERTEX, x1, y1, x2 - x1, y2 - y1,
- paint);
- mCountDrawLine++;
- }
-
- @Override
- public void drawRect(float x, float y, float width, float height, GLPaint paint) {
- draw(GLES20.GL_LINE_LOOP, OFFSET_DRAW_RECT, COUNT_RECT_VERTEX, x, y, width, height, paint);
- mCountDrawLine++;
- }
-
- private void draw(int type, int offset, int count, float x, float y, float width, float height,
- GLPaint paint) {
- draw(type, offset, count, x, y, width, height, paint.getColor(), paint.getLineWidth());
- }
-
- private void draw(int type, int offset, int count, float x, float y, float width, float height,
- int color, float lineWidth) {
- prepareDraw(offset, color, lineWidth);
- draw(mDrawParameters, type, count, x, y, width, height);
- }
-
- private void prepareDraw(int offset, int color, float lineWidth) {
- GLES20.glUseProgram(mDrawProgram);
- checkError();
- if (lineWidth > 0) {
- GLES20.glLineWidth(lineWidth);
- checkError();
- }
- float[] colorArray = getColor(color);
- boolean blendingEnabled = (colorArray[3] < 1f);
- enableBlending(blendingEnabled);
- if (blendingEnabled) {
- GLES20.glBlendColor(colorArray[0], colorArray[1], colorArray[2], colorArray[3]);
- checkError();
- }
-
- GLES20.glUniform4fv(mDrawParameters[INDEX_COLOR].handle, 1, colorArray, 0);
- setPosition(mDrawParameters, offset);
- checkError();
- }
-
- private float[] getColor(int color) {
- float alpha = ((color >>> 24) & 0xFF) / 255f * getAlpha();
- float red = ((color >>> 16) & 0xFF) / 255f * alpha;
- float green = ((color >>> 8) & 0xFF) / 255f * alpha;
- float blue = (color & 0xFF) / 255f * alpha;
- mTempColor[0] = red;
- mTempColor[1] = green;
- mTempColor[2] = blue;
- mTempColor[3] = alpha;
- return mTempColor;
- }
-
- private void enableBlending(boolean enableBlending) {
- if (enableBlending) {
- GLES20.glEnable(GLES20.GL_BLEND);
- checkError();
- } else {
- GLES20.glDisable(GLES20.GL_BLEND);
- checkError();
- }
- }
-
- private void setPosition(ShaderParameter[] params, int offset) {
- GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mBoxCoordinates);
- checkError();
- GLES20.glVertexAttribPointer(params[INDEX_POSITION].handle, COORDS_PER_VERTEX,
- GLES20.GL_FLOAT, false, VERTEX_STRIDE, offset * VERTEX_STRIDE);
- checkError();
- GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
- checkError();
- }
-
- private void draw(ShaderParameter[] params, int type, int count, float x, float y, float width,
- float height) {
- setMatrix(params, x, y, width, height);
- int positionHandle = params[INDEX_POSITION].handle;
- GLES20.glEnableVertexAttribArray(positionHandle);
- checkError();
- GLES20.glDrawArrays(type, 0, count);
- checkError();
- GLES20.glDisableVertexAttribArray(positionHandle);
- checkError();
- }
-
- private void setMatrix(ShaderParameter[] params, float x, float y, float width, float height) {
- Matrix.translateM(mTempMatrix, 0, mMatrices, mCurrentMatrixIndex, x, y, 0f);
- Matrix.scaleM(mTempMatrix, 0, width, height, 1f);
- Matrix.multiplyMM(mTempMatrix, MATRIX_SIZE, mProjectionMatrix, 0, mTempMatrix, 0);
- GLES20.glUniformMatrix4fv(params[INDEX_MATRIX].handle, 1, false, mTempMatrix, MATRIX_SIZE);
- checkError();
- }
-
- @Override
- public void fillRect(float x, float y, float width, float height, int color) {
- draw(GLES20.GL_TRIANGLE_STRIP, OFFSET_FILL_RECT, COUNT_FILL_VERTEX, x, y, width, height,
- color, 0f);
- mCountFillRect++;
- }
-
- @Override
- public void drawTexture(BasicTexture texture, int x, int y, int width, int height) {
- if (width <= 0 || height <= 0) {
- return;
- }
- copyTextureCoordinates(texture, mTempSourceRect);
- mTempTargetRect.set(x, y, x + width, y + height);
- convertCoordinate(mTempSourceRect, mTempTargetRect, texture);
- drawTextureRect(texture, mTempSourceRect, mTempTargetRect);
- }
-
- private static void copyTextureCoordinates(BasicTexture texture, RectF outRect) {
- int left = 0;
- int top = 0;
- int right = texture.getWidth();
- int bottom = texture.getHeight();
- if (texture.hasBorder()) {
- left = 1;
- top = 1;
- right -= 1;
- bottom -= 1;
- }
- outRect.set(left, top, right, bottom);
- }
-
- @Override
- public void drawTexture(BasicTexture texture, RectF source, RectF target) {
- if (target.width() <= 0 || target.height() <= 0) {
- return;
- }
- mTempSourceRect.set(source);
- mTempTargetRect.set(target);
-
- convertCoordinate(mTempSourceRect, mTempTargetRect, texture);
- drawTextureRect(texture, mTempSourceRect, mTempTargetRect);
- }
-
- @Override
- public void drawTexture(BasicTexture texture, float[] textureTransform, int x, int y, int w,
- int h) {
- if (w <= 0 || h <= 0) {
- return;
- }
- mTempTargetRect.set(x, y, x + w, y + h);
- drawTextureRect(texture, textureTransform, mTempTargetRect);
- }
-
- private void drawTextureRect(BasicTexture texture, RectF source, RectF target) {
- setTextureMatrix(source);
- drawTextureRect(texture, mTempTextureMatrix, target);
- }
-
- private void setTextureMatrix(RectF source) {
- mTempTextureMatrix[0] = source.width();
- mTempTextureMatrix[5] = source.height();
- mTempTextureMatrix[12] = source.left;
- mTempTextureMatrix[13] = source.top;
- }
-
- // This function changes the source coordinate to the texture coordinates.
- // It also clips the source and target coordinates if it is beyond the
- // bound of the texture.
- private static void convertCoordinate(RectF source, RectF target, BasicTexture texture) {
- int width = texture.getWidth();
- int height = texture.getHeight();
- int texWidth = texture.getTextureWidth();
- int texHeight = texture.getTextureHeight();
- // Convert to texture coordinates
- source.left /= texWidth;
- source.right /= texWidth;
- source.top /= texHeight;
- source.bottom /= texHeight;
-
- // Clip if the rendering range is beyond the bound of the texture.
- float xBound = (float) width / texWidth;
- if (source.right > xBound) {
- target.right = target.left + target.width() * (xBound - source.left) / source.width();
- source.right = xBound;
- }
- float yBound = (float) height / texHeight;
- if (source.bottom > yBound) {
- target.bottom = target.top + target.height() * (yBound - source.top) / source.height();
- source.bottom = yBound;
- }
- }
-
- private void drawTextureRect(BasicTexture texture, float[] textureMatrix, RectF target) {
- ShaderParameter[] params = prepareTexture(texture);
- setPosition(params, OFFSET_FILL_RECT);
- GLES20.glUniformMatrix4fv(params[INDEX_TEXTURE_MATRIX].handle, 1, false, textureMatrix, 0);
- checkError();
- if (texture.isFlippedVertically()) {
- save(SAVE_FLAG_MATRIX);
- translate(0, target.centerY());
- scale(1, -1, 1);
- translate(0, -target.centerY());
- }
- draw(params, GLES20.GL_TRIANGLE_STRIP, COUNT_FILL_VERTEX, target.left, target.top,
- target.width(), target.height());
- if (texture.isFlippedVertically()) {
- restore();
- }
- mCountTextureRect++;
- }
-
- private ShaderParameter[] prepareTexture(BasicTexture texture) {
- ShaderParameter[] params;
- int program;
- if (texture.getTarget() == GLES20.GL_TEXTURE_2D) {
- params = mTextureParameters;
- program = mTextureProgram;
- } else {
- params = mOesTextureParameters;
- program = mOesTextureProgram;
- }
- prepareTexture(texture, program, params);
- return params;
- }
-
- private void prepareTexture(BasicTexture texture, int program, ShaderParameter[] params) {
- GLES20.glUseProgram(program);
- checkError();
- enableBlending(!texture.isOpaque() || getAlpha() < OPAQUE_ALPHA);
- GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
- checkError();
- texture.onBind(this);
- GLES20.glBindTexture(texture.getTarget(), texture.getId());
- checkError();
- GLES20.glUniform1i(params[INDEX_TEXTURE_SAMPLER].handle, 0);
- checkError();
- GLES20.glUniform1f(params[INDEX_ALPHA].handle, getAlpha());
- checkError();
- }
-
- @Override
- public void drawMesh(BasicTexture texture, int x, int y, int xyBuffer, int uvBuffer,
- int indexBuffer, int indexCount) {
- prepareTexture(texture, mMeshProgram, mMeshParameters);
-
- GLES20.glBindBuffer(GLES20.GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
- checkError();
-
- GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, xyBuffer);
- checkError();
- int positionHandle = mMeshParameters[INDEX_POSITION].handle;
- GLES20.glVertexAttribPointer(positionHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT, false,
- VERTEX_STRIDE, 0);
- checkError();
-
- GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, uvBuffer);
- checkError();
- int texCoordHandle = mMeshParameters[INDEX_TEXTURE_COORD].handle;
- GLES20.glVertexAttribPointer(texCoordHandle, COORDS_PER_VERTEX, GLES20.GL_FLOAT,
- false, VERTEX_STRIDE, 0);
- checkError();
- GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0);
- checkError();
-
- GLES20.glEnableVertexAttribArray(positionHandle);
- checkError();
- GLES20.glEnableVertexAttribArray(texCoordHandle);
- checkError();
-
- setMatrix(mMeshParameters, x, y, 1, 1);
- GLES20.glDrawElements(GLES20.GL_TRIANGLE_STRIP, indexCount, GLES20.GL_UNSIGNED_BYTE, 0);
- checkError();
-
- GLES20.glDisableVertexAttribArray(positionHandle);
- checkError();
- GLES20.glDisableVertexAttribArray(texCoordHandle);
- checkError();
- GLES20.glBindBuffer(GLES20.GL_ELEMENT_ARRAY_BUFFER, 0);
- checkError();
- mCountDrawMesh++;
- }
-
- @Override
- public void drawMixed(BasicTexture texture, int toColor, float ratio, int x, int y, int w, int h) {
- copyTextureCoordinates(texture, mTempSourceRect);
- mTempTargetRect.set(x, y, x + w, y + h);
- drawMixed(texture, toColor, ratio, mTempSourceRect, mTempTargetRect);
- }
-
- @Override
- public void drawMixed(BasicTexture texture, int toColor, float ratio, RectF source, RectF target) {
- if (target.width() <= 0 || target.height() <= 0) {
- return;
- }
- save(SAVE_FLAG_ALPHA);
-
- float currentAlpha = getAlpha();
- float cappedRatio = Math.min(1f, Math.max(0f, ratio));
-
- float textureAlpha = (1f - cappedRatio) * currentAlpha;
- setAlpha(textureAlpha);
- drawTexture(texture, source, target);
-
- float colorAlpha = cappedRatio * currentAlpha;
- setAlpha(colorAlpha);
- fillRect(target.left, target.top, target.width(), target.height(), toColor);
-
- restore();
- }
-
- @Override
- public boolean unloadTexture(BasicTexture texture) {
- boolean unload = texture.isLoaded();
- if (unload) {
- synchronized (mUnboundTextures) {
- mUnboundTextures.add(texture.getId());
- }
- }
- return unload;
- }
-
- @Override
- public void deleteBuffer(int bufferId) {
- synchronized (mUnboundTextures) {
- mDeleteBuffers.add(bufferId);
- }
- }
-
- @Override
- public void deleteRecycledResources() {
- synchronized (mUnboundTextures) {
- IntArray ids = mUnboundTextures;
- if (mUnboundTextures.size() > 0) {
- mGLId.glDeleteTextures(null, ids.size(), ids.getInternalArray(), 0);
- ids.clear();
- }
-
- ids = mDeleteBuffers;
- if (ids.size() > 0) {
- mGLId.glDeleteBuffers(null, ids.size(), ids.getInternalArray(), 0);
- ids.clear();
- }
- }
- }
-
- @Override
- public void dumpStatisticsAndClear() {
- String line = String.format("MESH:%d, TEX_RECT:%d, FILL_RECT:%d, LINE:%d", mCountDrawMesh,
- mCountTextureRect, mCountFillRect, mCountDrawLine);
- mCountDrawMesh = 0;
- mCountTextureRect = 0;
- mCountFillRect = 0;
- mCountDrawLine = 0;
- Log.d(TAG, line);
- }
-
- @Override
- public void endRenderTarget() {
- RawTexture oldTexture = mTargetTextures.remove(mTargetTextures.size() - 1);
- RawTexture texture = getTargetTexture();
- setRenderTarget(oldTexture, texture);
- restore(); // restore matrix and alpha
- }
-
- @Override
- public void beginRenderTarget(RawTexture texture) {
- save(); // save matrix and alpha and blending
- RawTexture oldTexture = getTargetTexture();
- mTargetTextures.add(texture);
- setRenderTarget(oldTexture, texture);
- }
-
- private RawTexture getTargetTexture() {
- return mTargetTextures.get(mTargetTextures.size() - 1);
- }
-
- private void setRenderTarget(BasicTexture oldTexture, RawTexture texture) {
- if (oldTexture == null && texture != null) {
- GLES20.glGenFramebuffers(1, mFrameBuffer, 0);
- checkError();
- GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, mFrameBuffer[0]);
- checkError();
- } else if (oldTexture != null && texture == null) {
- GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0);
- checkError();
- GLES20.glDeleteFramebuffers(1, mFrameBuffer, 0);
- checkError();
- }
-
- if (texture == null) {
- setSize(mScreenWidth, mScreenHeight);
- } else {
- setSize(texture.getWidth(), texture.getHeight());
-
- if (!texture.isLoaded()) {
- texture.prepare(this);
- }
-
- GLES20.glFramebufferTexture2D(GLES20.GL_FRAMEBUFFER, GLES20.GL_COLOR_ATTACHMENT0,
- texture.getTarget(), texture.getId(), 0);
- checkError();
-
- checkFramebufferStatus();
- }
- }
-
- private static void checkFramebufferStatus() {
- int status = GLES20.glCheckFramebufferStatus(GLES20.GL_FRAMEBUFFER);
- if (status != GLES20.GL_FRAMEBUFFER_COMPLETE) {
- String msg = "";
- switch (status) {
- case GLES20.GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
- msg = "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT";
- break;
- case GLES20.GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS:
- msg = "GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS";
- break;
- case GLES20.GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
- msg = "GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT";
- break;
- case GLES20.GL_FRAMEBUFFER_UNSUPPORTED:
- msg = "GL_FRAMEBUFFER_UNSUPPORTED";
- break;
- }
- throw new RuntimeException(msg + ":" + Integer.toHexString(status));
- }
- }
-
- @Override
- public void setTextureParameters(BasicTexture texture) {
- int target = texture.getTarget();
- GLES20.glBindTexture(target, texture.getId());
- checkError();
- GLES20.glTexParameteri(target, GLES20.GL_TEXTURE_WRAP_S, GLES20.GL_CLAMP_TO_EDGE);
- GLES20.glTexParameteri(target, GLES20.GL_TEXTURE_WRAP_T, GLES20.GL_CLAMP_TO_EDGE);
- GLES20.glTexParameterf(target, GLES20.GL_TEXTURE_MIN_FILTER, GLES20.GL_LINEAR);
- GLES20.glTexParameterf(target, GLES20.GL_TEXTURE_MAG_FILTER, GLES20.GL_LINEAR);
- }
-
- @Override
- public void initializeTextureSize(BasicTexture texture, int format, int type) {
- int target = texture.getTarget();
- GLES20.glBindTexture(target, texture.getId());
- checkError();
- int width = texture.getTextureWidth();
- int height = texture.getTextureHeight();
- GLES20.glTexImage2D(target, 0, format, width, height, 0, format, type, null);
- }
-
- @Override
- public void initializeTexture(BasicTexture texture, Bitmap bitmap) {
- int target = texture.getTarget();
- GLES20.glBindTexture(target, texture.getId());
- checkError();
- GLUtils.texImage2D(target, 0, bitmap, 0);
- }
-
- @Override
- public void texSubImage2D(BasicTexture texture, int xOffset, int yOffset, Bitmap bitmap,
- int format, int type) {
- int target = texture.getTarget();
- GLES20.glBindTexture(target, texture.getId());
- checkError();
- GLUtils.texSubImage2D(target, 0, xOffset, yOffset, bitmap, format, type);
- }
-
- @Override
- public int uploadBuffer(FloatBuffer buf) {
- return uploadBuffer(buf, FLOAT_SIZE);
- }
-
- @Override
- public int uploadBuffer(ByteBuffer buf) {
- return uploadBuffer(buf, 1);
- }
-
- private int uploadBuffer(Buffer buffer, int elementSize) {
- mGLId.glGenBuffers(1, mTempIntArray, 0);
- checkError();
- int bufferId = mTempIntArray[0];
- GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, bufferId);
- checkError();
- GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, buffer.capacity() * elementSize, buffer,
- GLES20.GL_STATIC_DRAW);
- checkError();
- return bufferId;
- }
-
- public static void checkError() {
- int error = GLES20.glGetError();
- if (error != 0) {
- Throwable t = new Throwable();
- Log.e(TAG, "GL error: " + error, t);
- }
- }
-
- @SuppressWarnings("unused")
- private static void printMatrix(String message, float[] m, int offset) {
- StringBuilder b = new StringBuilder(message);
- for (int i = 0; i < MATRIX_SIZE; i++) {
- b.append(' ');
- if (i % 4 == 0) {
- b.append('\n');
- }
- b.append(m[offset + i]);
- }
- Log.v(TAG, b.toString());
- }
-
- @Override
- public void recoverFromLightCycle() {
- GLES20.glViewport(0, 0, mWidth, mHeight);
- GLES20.glDisable(GLES20.GL_DEPTH_TEST);
- GLES20.glBlendFunc(GLES20.GL_ONE, GLES20.GL_ONE_MINUS_SRC_ALPHA);
- checkError();
- }
-
- @Override
- public void getBounds(Rect bounds, int x, int y, int width, int height) {
- Matrix.translateM(mTempMatrix, 0, mMatrices, mCurrentMatrixIndex, x, y, 0f);
- Matrix.scaleM(mTempMatrix, 0, width, height, 1f);
- Matrix.multiplyMV(mTempMatrix, MATRIX_SIZE, mTempMatrix, 0, BOUNDS_COORDINATES, 0);
- Matrix.multiplyMV(mTempMatrix, MATRIX_SIZE + 4, mTempMatrix, 0, BOUNDS_COORDINATES, 4);
- bounds.left = Math.round(mTempMatrix[MATRIX_SIZE]);
- bounds.right = Math.round(mTempMatrix[MATRIX_SIZE + 4]);
- bounds.top = Math.round(mTempMatrix[MATRIX_SIZE + 1]);
- bounds.bottom = Math.round(mTempMatrix[MATRIX_SIZE + 5]);
- bounds.sort();
- }
-
- @Override
- public GLId getGLId() {
- return mGLId;
- }
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20IdImpl.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20IdImpl.java
deleted file mode 100644
index 6cd7149cb..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLES20IdImpl.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package com.android.gallery3d.glrenderer;
-
-import android.opengl.GLES20;
-
-import javax.microedition.khronos.opengles.GL11;
-import javax.microedition.khronos.opengles.GL11ExtensionPack;
-
-public class GLES20IdImpl implements GLId {
- private final int[] mTempIntArray = new int[1];
-
- @Override
- public int generateTexture() {
- GLES20.glGenTextures(1, mTempIntArray, 0);
- GLES20Canvas.checkError();
- return mTempIntArray[0];
- }
-
- @Override
- public void glGenBuffers(int n, int[] buffers, int offset) {
- GLES20.glGenBuffers(n, buffers, offset);
- GLES20Canvas.checkError();
- }
-
- @Override
- public void glDeleteTextures(GL11 gl, int n, int[] textures, int offset) {
- GLES20.glDeleteTextures(n, textures, offset);
- GLES20Canvas.checkError();
- }
-
-
- @Override
- public void glDeleteBuffers(GL11 gl, int n, int[] buffers, int offset) {
- GLES20.glDeleteBuffers(n, buffers, offset);
- GLES20Canvas.checkError();
- }
-
- @Override
- public void glDeleteFramebuffers(GL11ExtensionPack gl11ep, int n, int[] buffers, int offset) {
- GLES20.glDeleteFramebuffers(n, buffers, offset);
- GLES20Canvas.checkError();
- }
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLId.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLId.java
deleted file mode 100644
index 3cec558f6..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLId.java
+++ /dev/null
@@ -1,33 +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.gallery3d.glrenderer;
-
-import javax.microedition.khronos.opengles.GL11;
-import javax.microedition.khronos.opengles.GL11ExtensionPack;
-
-// This mimics corresponding GL functions.
-public interface GLId {
- public int generateTexture();
-
- public void glGenBuffers(int n, int[] buffers, int offset);
-
- public void glDeleteTextures(GL11 gl, int n, int[] textures, int offset);
-
- public void glDeleteBuffers(GL11 gl, int n, int[] buffers, int offset);
-
- public void glDeleteFramebuffers(GL11ExtensionPack gl11ep, int n, int[] buffers, int offset);
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLPaint.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLPaint.java
deleted file mode 100644
index 16b220690..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/GLPaint.java
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.glrenderer;
-
-import junit.framework.Assert;
-
-public class GLPaint {
- private float mLineWidth = 1f;
- private int mColor = 0;
-
- public void setColor(int color) {
- mColor = color;
- }
-
- public int getColor() {
- return mColor;
- }
-
- public void setLineWidth(float width) {
- Assert.assertTrue(width >= 0);
- mLineWidth = width;
- }
-
- public float getLineWidth() {
- return mLineWidth;
- }
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/RawTexture.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/RawTexture.java
deleted file mode 100644
index 93f0fdff9..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/RawTexture.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.glrenderer;
-
-import android.util.Log;
-
-import javax.microedition.khronos.opengles.GL11;
-
-public class RawTexture extends BasicTexture {
- private static final String TAG = "RawTexture";
-
- private final boolean mOpaque;
- private boolean mIsFlipped;
-
- public RawTexture(int width, int height, boolean opaque) {
- mOpaque = opaque;
- setSize(width, height);
- }
-
- @Override
- public boolean isOpaque() {
- return mOpaque;
- }
-
- @Override
- public boolean isFlippedVertically() {
- return mIsFlipped;
- }
-
- public void setIsFlippedVertically(boolean isFlipped) {
- mIsFlipped = isFlipped;
- }
-
- protected void prepare(GLCanvas canvas) {
- GLId glId = canvas.getGLId();
- mId = glId.generateTexture();
- canvas.initializeTextureSize(this, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE);
- canvas.setTextureParameters(this);
- mState = STATE_LOADED;
- setAssociatedCanvas(canvas);
- }
-
- @Override
- protected boolean onBind(GLCanvas canvas) {
- if (isLoaded()) return true;
- Log.w(TAG, "lost the content due to context change");
- return false;
- }
-
- @Override
- public void yield() {
- // we cannot free the texture because we have no backup.
- }
-
- @Override
- protected int getTarget() {
- return GL11.GL_TEXTURE_2D;
- }
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/Texture.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/Texture.java
deleted file mode 100644
index 3dcae4aec..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/Texture.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.glrenderer;
-
-
-// Texture is a rectangular image which can be drawn on GLCanvas.
-// The isOpaque() function gives a hint about whether the texture is opaque,
-// so the drawing can be done faster.
-//
-// This is the current texture hierarchy:
-//
-// Texture
-// -- ColorTexture
-// -- FadeInTexture
-// -- BasicTexture
-// -- UploadedTexture
-// -- BitmapTexture
-// -- Tile
-// -- ResourceTexture
-// -- NinePatchTexture
-// -- CanvasTexture
-// -- StringTexture
-//
-public interface Texture {
- public int getWidth();
- public int getHeight();
- public void draw(GLCanvas canvas, int x, int y);
- public void draw(GLCanvas canvas, int x, int y, int w, int h);
- public boolean isOpaque();
-}
diff --git a/wallpaper_picker_src/com/android/gallery3d/glrenderer/UploadedTexture.java b/wallpaper_picker_src/com/android/gallery3d/glrenderer/UploadedTexture.java
deleted file mode 100644
index f41a979b7..000000000
--- a/wallpaper_picker_src/com/android/gallery3d/glrenderer/UploadedTexture.java
+++ /dev/null
@@ -1,298 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.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();
- }
-}