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 25ce0537b80087a6225273040a987414b1dd081aa0Romain Guy/** 26ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Represents an OpenGL texture. 27ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 28ce0537b80087a6225273040a987414b1dd081aa0Romain Guystruct Texture { 2922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy Texture() { 3022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy cleanup = false; 319aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy bitmapSize = 0; 329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 338164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy wrapS = GL_CLAMP_TO_EDGE; 348164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy wrapT = GL_CLAMP_TO_EDGE; 359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy minFilter = GL_NEAREST; 379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy magFilter = GL_NEAREST; 38e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 39713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy mipMap = false; 40713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy 41e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy firstFilter = true; 42e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy firstWrap = true; 4398d3a64ffa13596e3ea9125bbff40c51ec96bd8dChet Haase 4498d3a64ffa13596e3ea9125bbff40c51ec96bd8dChet Haase id = 0; 459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 47d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy void setWrap(GLenum wrap, bool bindTexture = false, bool force = false, 48d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy GLenum renderTarget = GL_TEXTURE_2D) { 49d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy setWrapST(wrap, wrap, bindTexture, force, renderTarget); 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy void setWrapST(GLenum wrapS, GLenum wrapT, bool bindTexture = false, bool force = false, 53e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum renderTarget = GL_TEXTURE_2D) { 54e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 55e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy if (firstWrap || force || wrapS != this->wrapS || wrapT != this->wrapT) { 5639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy firstWrap = false; 57e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 58e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy this->wrapS = wrapS; 59e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy this->wrapT = wrapT; 60e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 61e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy if (bindTexture) { 62e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy glBindTexture(renderTarget, id); 63e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy } 64e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 65e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy glTexParameteri(renderTarget, GL_TEXTURE_WRAP_S, wrapS); 66e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy glTexParameteri(renderTarget, GL_TEXTURE_WRAP_T, wrapT); 67e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy } 689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 70d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy void setFilter(GLenum filter, bool bindTexture = false, bool force = false, 71d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy GLenum renderTarget = GL_TEXTURE_2D) { 72d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy setFilterMinMag(filter, filter, bindTexture, force, renderTarget); 73d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } 74d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 75d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy void setFilterMinMag(GLenum min, GLenum mag, bool bindTexture = false, bool force = false, 76e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum renderTarget = GL_TEXTURE_2D) { 77e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 78e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy if (firstFilter || force || min != minFilter || mag != magFilter) { 79e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy firstFilter = false; 80e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 81e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy minFilter = min; 82e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy magFilter = mag; 83e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 84e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy if (bindTexture) { 85e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy glBindTexture(renderTarget, id); 86e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy } 87e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 88713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy if (mipMap && min == GL_LINEAR) min = GL_LINEAR_MIPMAP_LINEAR; 89713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy 90e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy glTexParameteri(renderTarget, GL_TEXTURE_MIN_FILTER, min); 91e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy glTexParameteri(renderTarget, GL_TEXTURE_MAG_FILTER, mag); 92e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy } 9322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy } 9422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 95ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 96ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Name of the texture. 97ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 98ce0537b80087a6225273040a987414b1dd081aa0Romain Guy GLuint id; 99ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 100fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy * Generation of the backing bitmap, 101fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy */ 102fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy uint32_t generation; 103fe8809471a40cac8acc984adfa51c39e13e83947Romain Guy /** 104ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Indicates whether the texture requires blending. 105ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 106ce0537b80087a6225273040a987414b1dd081aa0Romain Guy bool blend; 107ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 108ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Width of the backing bitmap. 109ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 1107d139ba2c331f11e9b485753cc727a0ff202f2a4Romain Guy uint32_t width; 111ce0537b80087a6225273040a987414b1dd081aa0Romain Guy /** 112ce0537b80087a6225273040a987414b1dd081aa0Romain Guy * Height of the backing bitmap. 113ce0537b80087a6225273040a987414b1dd081aa0Romain Guy */ 1147d139ba2c331f11e9b485753cc727a0ff202f2a4Romain Guy uint32_t height; 11522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy /** 11622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy * Indicates whether this texture should be cleaned up after use. 11722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy */ 11822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy bool cleanup; 1199aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy /** 1209aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy * Optional, size of the original bitmap. 1219aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy */ 1229aaa8269a3e7291aab84d01c3fc9c744d8f2d2f4Romain Guy uint32_t bitmapSize; 123713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy /** 124713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy * Indicates whether this texture will use trilinear filtering. 125713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy */ 126713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy bool mipMap; 1278164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 128713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guyprivate: 1298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy /** 1308164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy * Last wrap modes set on this texture. Defaults to GL_CLAMP_TO_EDGE. 1318164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy */ 1328164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy GLenum wrapS; 1338164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy GLenum wrapT; 1349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy /** 1369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Last filters set on this texture. Defaults to GL_NEAREST. 1379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy */ 1389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GLenum minFilter; 1399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GLenum magFilter; 140e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 141e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy bool firstFilter; 142e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy bool firstWrap; 143ce0537b80087a6225273040a987414b1dd081aa0Romain Guy}; // struct Texture 144ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 14522158e139a3d6c6a9787ca0de224e9368f643284Romain Guyclass AutoTexture { 14622158e139a3d6c6a9787ca0de224e9368f643284Romain Guypublic: 14722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy AutoTexture(const Texture* texture): mTexture(texture) { } 14822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy ~AutoTexture() { 14922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy if (mTexture && mTexture->cleanup) { 15022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy glDeleteTextures(1, &mTexture->id); 15122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy delete mTexture; 15222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy } 15322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy } 15422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15522158e139a3d6c6a9787ca0de224e9368f643284Romain Guyprivate: 15622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const Texture* mTexture; 15722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy}; // class AutoTexture 15822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 159ce0537b80087a6225273040a987414b1dd081aa0Romain Guy}; // namespace uirenderer 160ce0537b80087a6225273040a987414b1dd081aa0Romain Guy}; // namespace android 161ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_TEXTURE_H 163