Texture.h revision 9aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_UI_TEXTURE_H 18#define ANDROID_UI_TEXTURE_H 19 20#include <GLES2/gl2.h> 21 22namespace android { 23namespace uirenderer { 24 25/** 26 * Represents an OpenGL texture. 27 */ 28struct Texture { 29 Texture() { 30 cleanup = false; 31 bitmapSize = 0; 32 } 33 34 /** 35 * Name of the texture. 36 */ 37 GLuint id; 38 /** 39 * Generation of the backing bitmap, 40 */ 41 uint32_t generation; 42 /** 43 * Indicates whether the texture requires blending. 44 */ 45 bool blend; 46 /** 47 * Width of the backing bitmap. 48 */ 49 uint32_t width; 50 /** 51 * Height of the backing bitmap. 52 */ 53 uint32_t height; 54 /** 55 * Indicates whether this texture should be cleaned up after use. 56 */ 57 bool cleanup; 58 /** 59 * Optional, size of the original bitmap. 60 */ 61 uint32_t bitmapSize; 62}; // struct Texture 63 64class AutoTexture { 65public: 66 AutoTexture(const Texture* texture): mTexture(texture) { } 67 ~AutoTexture() { 68 if (mTexture && mTexture->cleanup) { 69 glDeleteTextures(1, &mTexture->id); 70 delete mTexture; 71 } 72 } 73 74private: 75 const Texture* mTexture; 76}; // class AutoTexture 77 78}; // namespace uirenderer 79}; // namespace android 80 81#endif // ANDROID_UI_TEXTURE_H 82