Texture.h revision 8aa195d7081b889f3a7b1f426cbd8556377aae5e
1ce0537b80087a6225273040a987414b1dd081aa0Romain Guy/* 2ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Copyright (C) 2010 The Android Open Source Project 3ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * 4ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * you may not use this file except in compliance with the License. 6ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * You may obtain a copy of the License at 7ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * 8ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * 10ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Unless required by applicable law or agreed to in writing, software 11ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * See the License for the specific language governing permissions and 14ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * limitations under the License. 15ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 16ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_TEXTURE_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_TEXTURE_H 19ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 20ce0537b80087a6225273040a987414b1dd081aa0Romain Guy#include <GLES2/gl2.h> 21ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 22ce0537b80087a6225273040a987414b1dd081aa0Romain Guynamespace android { 23ce0537b80087a6225273040a987414b1dd081aa0Romain Guynamespace uirenderer { 24ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 258aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guyclass Caches; 263b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guyclass UvMapper; 273b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 28ce0537b80087a6225273040a987414b1dd081aa0Romain Guy/** 29ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Represents an OpenGL texture. 30ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 318aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guyclass Texture { 328aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guypublic: 338aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy Texture(); 348aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy Texture(Caches& caches); 359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 36a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy virtual ~Texture() { } 37a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy 388aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy inline void setWrap(GLenum wrap, bool bindTexture = false, bool force = false, 39d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy GLenum renderTarget = GL_TEXTURE_2D) { 40d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy setWrapST(wrap, wrap, bindTexture, force, renderTarget); 41d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } 42d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 43a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy virtual void setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture = false, 448aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy bool force = false, GLenum renderTarget = GL_TEXTURE_2D); 45e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 468aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy inline void setFilter(GLenum filter, bool bindTexture = false, bool force = false, 47d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy GLenum renderTarget = GL_TEXTURE_2D) { 48d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy setFilterMinMag(filter, filter, bindTexture, force, renderTarget); 49d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 51a404e16e4933857464046d763ed7629cd0c86cbfRomain Guy virtual void setFilterMinMag(GLenum min, GLenum mag, bool bindTexture = false, 528aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy bool force = false, GLenum renderTarget = GL_TEXTURE_2D); 5322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 54ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 55ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Name of the texture. 56ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 57ce0537b80087a6225273040a987414b1dd081aa0Romain Guy GLuint id; 58ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 59fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy * Generation of the backing bitmap, 60fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy */ 61fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy uint32_t generation; 62fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy /** 63ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Indicates whether the texture requires blending. 64ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 65ce0537b80087a6225273040a987414b1dd081aa0Romain Guy bool blend; 66ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 67ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Width of the backing bitmap. 68ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 697d139ba2c331f11e9b485753cc727a0ff202f2a4Romain Guy uint32_t width; 70ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 71ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Height of the backing bitmap. 72ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 737d139ba2c331f11e9b485753cc727a0ff202f2a4Romain Guy uint32_t height; 7422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy /** 7522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy * Indicates whether this texture should be cleaned up after use. 7622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy */ 7722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy bool cleanup; 789aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy /** 799aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy * Optional, size of the original bitmap. 809aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy */ 819aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy uint32_t bitmapSize; 82713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy /** 83713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Indicates whether this texture will use trilinear filtering. 84713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy */ 85713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy bool mipMap; 868164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 873b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy /** 883b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy * Optional, pointer to a texture coordinates mapper. 893b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy */ 903b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy const UvMapper* uvMapper; 913b748a44c6bd2ea05fe16839caf73dbe50bd7ae9Romain Guy 92713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guyprivate: 938164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy /** 948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy * Last wrap modes set on this texture. Defaults to GL_CLAMP_TO_EDGE. 958164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy */ 968aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy GLenum mWrapS; 978aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy GLenum mWrapT; 989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy /** 1009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Last filters set on this texture. Defaults to GL_NEAREST. 1019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy */ 1028aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy GLenum mMinFilter; 1038aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy GLenum mMagFilter; 1048aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy 1058aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy bool mFirstFilter; 1068aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy bool mFirstWrap; 107e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1088aa195d7081b889f3a7b1f426cbd8556377aae5eRomain Guy Caches& mCaches; 109ce0537b80087a6225273040a987414b1dd081aa0Romain Guy}; // struct Texture 110ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 11122158e139a3d6c6a9787ca0de224e9368f643284Romain Guyclass AutoTexture { 11222158e139a3d6c6a9787ca0de224e9368f643284Romain Guypublic: 11322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy AutoTexture(const Texture* texture): mTexture(texture) { } 11422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy ~AutoTexture() { 11522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy if (mTexture && mTexture->cleanup) { 11622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy glDeleteTextures(1, &mTexture->id); 11722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy delete mTexture; 11822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy } 11922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy } 12022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 12122158e139a3d6c6a9787ca0de224e9368f643284Romain Guyprivate: 12222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const Texture* mTexture; 12322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy}; // class AutoTexture 12422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 125ce0537b80087a6225273040a987414b1dd081aa0Romain Guy}; // namespace uirenderer 126ce0537b80087a6225273040a987414b1dd081aa0Romain Guy}; // namespace android 127ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_TEXTURE_H 129