1 files changed, 91 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/ui/RawTexture.java b/src/com/android/gallery3d/ui/RawTexture.java
new file mode 100644
index 000000000..e1af7d209
--- /dev/null
+++ b/src/com/android/gallery3d/ui/RawTexture.java
@@ -0,0 +1,91 @@
+/*
+ * 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.ui;
+
+import javax.microedition.khronos.opengles.GL11;
+import javax.microedition.khronos.opengles.GL11Ext;
+
+public class RawTexture extends BasicTexture {
+    private static final String TAG = "RawTexture";
+
+    private final static int[] sTextureId = new int[1];
+    private final static float[] sCropRect = new float[4];
+
+    private final boolean mOpaque;
+
+    public RawTexture(int width, int height, boolean opaque) {
+        mOpaque = opaque;
+        setSize(width, height);
+    }
+
+    @Override
+    public boolean isOpaque() {
+        return mOpaque;
+    }
+
+    protected void prepare(GLCanvas canvas) {
+        GL11 gl = canvas.getGLInstance();
+
+        // Define a vertically flipped crop rectangle for
+        // OES_draw_texture.
+        // The four values in sCropRect are: left, bottom, width, and
+        // height. Negative value of width or height means flip.
+        sCropRect[0] = 0;
+        sCropRect[1] = mHeight;
+        sCropRect[2] = mWidth;
+        sCropRect[3] = -mHeight;
+
+        // Upload the bitmap to a new texture.
+        GLId.glGenTextures(1, sTextureId, 0);
+        gl.glBindTexture(GL11.GL_TEXTURE_2D, sTextureId[0]);
+        gl.glTexParameterfv(GL11.GL_TEXTURE_2D,
+                GL11Ext.GL_TEXTURE_CROP_RECT_OES, sCropRect, 0);
+        gl.glTexParameteri(GL11.GL_TEXTURE_2D,
+                GL11.GL_TEXTURE_WRAP_S, GL11.GL_CLAMP_TO_EDGE);
+        gl.glTexParameteri(GL11.GL_TEXTURE_2D,
+                GL11.GL_TEXTURE_WRAP_T, GL11.GL_CLAMP_TO_EDGE);
+        gl.glTexParameterf(GL11.GL_TEXTURE_2D,
+                GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
+        gl.glTexParameterf(GL11.GL_TEXTURE_2D,
+                GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
+
+        gl.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA,
+                getTextureWidth(), getTextureHeight(),
+                0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, null);
+
+        mId = sTextureId[0];
+        mState = UploadedTexture.STATE_LOADED;
+        setAssociatedCanvas(canvas);
+    }
+
+    @Override
+    protected boolean onBind(GLCanvas canvas) {
+        if (isLoaded(canvas)) 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;
+    }
+}