Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 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 | |
| 22 | namespace android { |
| 23 | namespace uirenderer { |
| 24 | |
| 25 | /** |
| 26 | * Represents an OpenGL texture. |
| 27 | */ |
| 28 | struct Texture { |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 29 | Texture() { |
| 30 | cleanup = false; |
Romain Guy | 9aaa826 | 2010-09-08 15:15:43 -0700 | [diff] [blame] | 31 | bitmapSize = 0; |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame^] | 32 | wrapS = GL_CLAMP_TO_EDGE; |
| 33 | wrapT = GL_CLAMP_TO_EDGE; |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 34 | } |
| 35 | |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 36 | /** |
| 37 | * Name of the texture. |
| 38 | */ |
| 39 | GLuint id; |
| 40 | /** |
Romain Guy | fe88094 | 2010-06-30 16:05:32 -0700 | [diff] [blame] | 41 | * Generation of the backing bitmap, |
| 42 | */ |
| 43 | uint32_t generation; |
| 44 | /** |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 45 | * Indicates whether the texture requires blending. |
| 46 | */ |
| 47 | bool blend; |
| 48 | /** |
| 49 | * Width of the backing bitmap. |
| 50 | */ |
Romain Guy | 7d139ba | 2010-07-02 11:20:34 -0700 | [diff] [blame] | 51 | uint32_t width; |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 52 | /** |
| 53 | * Height of the backing bitmap. |
| 54 | */ |
Romain Guy | 7d139ba | 2010-07-02 11:20:34 -0700 | [diff] [blame] | 55 | uint32_t height; |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 56 | /** |
| 57 | * Indicates whether this texture should be cleaned up after use. |
| 58 | */ |
| 59 | bool cleanup; |
Romain Guy | 9aaa826 | 2010-09-08 15:15:43 -0700 | [diff] [blame] | 60 | /** |
| 61 | * Optional, size of the original bitmap. |
| 62 | */ |
| 63 | uint32_t bitmapSize; |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame^] | 64 | |
| 65 | /** |
| 66 | * Last wrap modes set on this texture. Defaults to GL_CLAMP_TO_EDGE. |
| 67 | */ |
| 68 | GLenum wrapS; |
| 69 | GLenum wrapT; |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 70 | }; // struct Texture |
| 71 | |
Romain Guy | 22158e1 | 2010-08-06 11:18:34 -0700 | [diff] [blame] | 72 | class AutoTexture { |
| 73 | public: |
| 74 | AutoTexture(const Texture* texture): mTexture(texture) { } |
| 75 | ~AutoTexture() { |
| 76 | if (mTexture && mTexture->cleanup) { |
| 77 | glDeleteTextures(1, &mTexture->id); |
| 78 | delete mTexture; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | private: |
| 83 | const Texture* mTexture; |
| 84 | }; // class AutoTexture |
| 85 | |
Romain Guy | ce0537b | 2010-06-29 21:05:21 -0700 | [diff] [blame] | 86 | }; // namespace uirenderer |
| 87 | }; // namespace android |
| 88 | |
| 89 | #endif // ANDROID_UI_TEXTURE_H |