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Diffstat (limited to 'src/com/android/gallery3d/ui/RawTexture.java')
-rw-r--r-- | src/com/android/gallery3d/ui/RawTexture.java | 54 |
1 files changed, 54 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..c1be435d1 --- /dev/null +++ b/src/com/android/gallery3d/ui/RawTexture.java @@ -0,0 +1,54 @@ +/* + * 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; + +// RawTexture is used for texture created by glCopyTexImage2D. +// +// It will throw RuntimeException in onBind() if used with a different GL +// context. It is only used internally by copyTexture() in GLCanvas. +class RawTexture extends BasicTexture { + + private RawTexture(GLCanvas canvas, int id) { + super(canvas, id, STATE_LOADED); + } + + public static RawTexture newInstance(GLCanvas canvas) { + int[] textureId = new int[1]; + GL11 gl = canvas.getGLInstance(); + gl.glGenTextures(1, textureId, 0); + return new RawTexture(canvas, textureId[0]); + } + + @Override + protected boolean onBind(GLCanvas canvas) { + if (mCanvasRef.get() != canvas) { + throw new RuntimeException("cannot bind to different canvas"); + } + return true; + } + + public boolean isOpaque() { + return true; + } + + @Override + public void yield() { + // we cannot free the texture because we have no backup. + } +} |