Layer.h revision 2055abaa0a590c35e27e1ae2e7d7cfccdfb98b59
1dda570201ac851dd85af3861f7e575721d3345daRomain Guy/* 2dda570201ac851dd85af3861f7e575721d3345daRomain Guy * Copyright (C) 2010 The Android Open Source Project 3dda570201ac851dd85af3861f7e575721d3345daRomain Guy * 4dda570201ac851dd85af3861f7e575721d3345daRomain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5dda570201ac851dd85af3861f7e575721d3345daRomain Guy * you may not use this file except in compliance with the License. 6dda570201ac851dd85af3861f7e575721d3345daRomain Guy * You may obtain a copy of the License at 7dda570201ac851dd85af3861f7e575721d3345daRomain Guy * 8dda570201ac851dd85af3861f7e575721d3345daRomain Guy * http://www.apache.org/licenses/LICENSE-2.0 9dda570201ac851dd85af3861f7e575721d3345daRomain Guy * 10dda570201ac851dd85af3861f7e575721d3345daRomain Guy * Unless required by applicable law or agreed to in writing, software 11dda570201ac851dd85af3861f7e575721d3345daRomain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12dda570201ac851dd85af3861f7e575721d3345daRomain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13dda570201ac851dd85af3861f7e575721d3345daRomain Guy * See the License for the specific language governing permissions and 14dda570201ac851dd85af3861f7e575721d3345daRomain Guy * limitations under the License. 15dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 16dda570201ac851dd85af3861f7e575721d3345daRomain Guy 175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#ifndef ANDROID_HWUI_LAYER_H 185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#define ANDROID_HWUI_LAYER_H 19dda570201ac851dd85af3861f7e575721d3345daRomain Guy 20f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy#include <sys/types.h> 21f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 22dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include <GLES2/gl2.h> 23dda570201ac851dd85af3861f7e575721d3345daRomain Guy 245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Region.h> 255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 26dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include <SkXfermode.h> 27dda570201ac851dd85af3861f7e575721d3345daRomain Guy 28dda570201ac851dd85af3861f7e575721d3345daRomain Guy#include "Rect.h" 29171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy#include "SkiaColorFilter.h" 309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy#include "Texture.h" 31f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#include "Vertex.h" 32dda570201ac851dd85af3861f7e575721d3345daRomain Guy 33dda570201ac851dd85af3861f7e575721d3345daRomain Guynamespace android { 34dda570201ac851dd85af3861f7e575721d3345daRomain Guynamespace uirenderer { 35dda570201ac851dd85af3861f7e575721d3345daRomain Guy 368550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy/////////////////////////////////////////////////////////////////////////////// 378550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy// Layers 388550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy/////////////////////////////////////////////////////////////////////////////// 39dda570201ac851dd85af3861f7e575721d3345daRomain Guy 402bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy// Forward declarations 412bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guyclass OpenGLRenderer; 422bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guyclass DisplayList; 432bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 44dda570201ac851dd85af3861f7e575721d3345daRomain Guy/** 45eb99356a0548684a501766e6a524529ab93304c8Romain Guy * A layer has dimensions and is backed by an OpenGL texture or FBO. 46dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 47dda570201ac851dd85af3861f7e575721d3345daRomain Guystruct Layer { 48603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Layer(const uint32_t layerWidth, const uint32_t layerHeight); 49d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase ~Layer(); 508550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 512055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy static uint32_t computeIdealWidth(uint32_t layerWidth); 522055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy static uint32_t computeIdealHeight(uint32_t layerHeight); 532055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Calling this method will remove (either by recycling or 568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * destroying) the associated FBO, if present, and any render 578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * buffer (stencil for instance.) 588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy void removeFbo(bool flush = true); 6056257aff8a55c847be72be9924c392033fd8151dDave Burke 61dda570201ac851dd85af3861f7e575721d3345daRomain Guy /** 629fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * Sets this layer's region to a rectangle. Computes the appropriate 639fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy * texture coordinates. 649fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy */ 659fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy void setRegionAsRect() { 669fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy const android::Rect& bounds = region.getBounds(); 679fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy regionRect.set(bounds.leftTop().x, bounds.leftTop().y, 689fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy bounds.rightBottom().x, bounds.rightBottom().y); 699fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(texture.width); 719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(texture.height); 729fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy const float height = layer.getHeight(); 739fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy texCoords.set( 749fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy regionRect.left * texX, (height - regionRect.top) * texY, 759fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy regionRect.right * texX, (height - regionRect.bottom) * texY); 769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy regionRect.translate(layer.left, layer.top); 789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 802bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy void updateDeferred(OpenGLRenderer* renderer, DisplayList* displayList, 812bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy int left, int top, int right, int bottom) { 822bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy this->renderer = renderer; 832bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy this->displayList = displayList; 842bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy const Rect r(left, top, right, bottom); 852bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirtyRect.unionWith(r); 862bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy deferredUpdateScheduled = true; 872bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 882bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline uint32_t getWidth() { 909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return texture.width; 919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline uint32_t getHeight() { 949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return texture.height; 959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 972055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy /** 982055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * Resize the layer and its texture if needed. 992055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * 1002055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * @param width The new width of the layer 1012055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * @param height The new height of the layer 1022055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * 1032055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * @return True if the layer was resized or nothing happened, false if 1042055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy * a failure occurred during the resizing operation 1052055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy */ 1062055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy bool resize(const uint32_t width, const uint32_t height); 1072055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 1089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy void setSize(uint32_t width, uint32_t height) { 1099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy texture.width = width; 1109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy texture.height = height; 1119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 113d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase ANDROID_API void setPaint(SkPaint* paint); 114d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 1159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setBlend(bool blend) { 1169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy texture.blend = blend; 1179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline bool isBlend() { 1209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return texture.blend; 1219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setAlpha(int alpha) { 1249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->alpha = alpha; 1259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setAlpha(int alpha, SkXfermode::Mode mode) { 1289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->alpha = alpha; 1299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->mode = mode; 1309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline int getAlpha() { 1339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return alpha; 1349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline SkXfermode::Mode getMode() { 1379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return mode; 1389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setEmpty(bool empty) { 1419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->empty = empty; 1429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline bool isEmpty() { 1459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return empty; 1469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setFbo(GLuint fbo) { 1499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->fbo = fbo; 1509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline GLuint getFbo() { 1539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return fbo; 1549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy inline void setStencilRenderBuffer(GLuint renderBuffer) { 1578ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy this->stencil = renderBuffer; 1588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 1598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy inline GLuint getStencilRenderBuffer() { 1618ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return stencil; 1628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 1638ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 1649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline GLuint getTexture() { 1659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return texture.id; 1669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline GLenum getRenderTarget() { 1699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return renderTarget; 1709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setRenderTarget(GLenum renderTarget) { 1739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->renderTarget = renderTarget; 1749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 176d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy void setWrap(GLenum wrap, bool bindTexture = false, bool force = false) { 177d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture.setWrap(wrap, bindTexture, force, renderTarget); 1789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 180d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy void setFilter(GLenum filter, bool bindTexture = false, bool force = false) { 181d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture.setFilter(filter, bindTexture, force, renderTarget); 1829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline bool isCacheable() { 1859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return cacheable; 1869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setCacheable(bool cacheable) { 1899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->cacheable = cacheable; 1909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 1919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1927c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy inline bool isDirty() { 1937c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return dirty; 1947c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy } 1957c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 1967c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy inline void setDirty(bool dirty) { 1977c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy this->dirty = dirty; 1987c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy } 1997c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 2009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline bool isTextureLayer() { 2019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return textureLayer; 2029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void setTextureLayer(bool textureLayer) { 2059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy this->textureLayer = textureLayer; 2069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline SkiaColorFilter* getColorFilter() { 2099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return colorFilter; 2109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 212d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase ANDROID_API void setColorFilter(SkiaColorFilter* filter); 2139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void bindTexture() { 215ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy if (texture.id) { 216ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy glBindTexture(renderTarget, texture.id); 217ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy } 2189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2202055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy inline void bindStencilRenderBuffer() { 2212055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy if (stencil) { 2222055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy glBindRenderbuffer(GL_RENDERBUFFER, stencil); 2232055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy } 2242055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy } 2252055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 2269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void generateTexture() { 227ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy if (!texture.id) { 228ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy glGenTextures(1, &texture.id); 229ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy } 2309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void deleteTexture() { 233ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy if (texture.id) { 234ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy glDeleteTextures(1, &texture.id); 235ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy texture.id = 0; 236ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy } 237ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy } 238ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy 239ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy /** 240ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy * When the caller frees the texture itself, the caller 241ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy * must call this method to tell this layer that it lost 242ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy * the texture. 243ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy */ 244ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy void clearTexture() { 245ef09a210dd6ea481158b7028ec2424a7f5769ed2Romain Guy texture.id = 0; 2469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline void allocateTexture(GLenum format, GLenum storage) { 249b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy#if DEBUG_LAYERS 250b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy ALOGD(" Allocate layer: %dx%d", getWidth(), getHeight()); 251b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy#endif 2522055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy if (texture.id) { 2532055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy glTexImage2D(renderTarget, 0, format, getWidth(), getHeight(), 0, 2542055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy format, storage, NULL); 2552055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy } 2562055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy } 2572055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 2582055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy inline void allocateStencilRenderBuffer() { 2592055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy if (stencil) { 2602055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy glRenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8, getWidth(), getHeight()); 2612055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy } 2629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy inline mat4& getTexTransform() { 2659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy return texTransform; 2669fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy } 2679fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 268302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy inline mat4& getTransform() { 269302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy return transform; 270302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 271302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 2729fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy /** 2738550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy * Bounds of the layer. 274dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 275dda570201ac851dd85af3861f7e575721d3345daRomain Guy Rect layer; 276dda570201ac851dd85af3861f7e575721d3345daRomain Guy /** 2778550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy * Texture coordinates of the layer. 278dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 2798550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Rect texCoords; 2808550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 281dda570201ac851dd85af3861f7e575721d3345daRomain Guy /** 2829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Dirty region indicating what parts of the layer 2839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * have been drawn. 284eb99356a0548684a501766e6a524529ab93304c8Romain Guy */ 2859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy Region region; 286eb99356a0548684a501766e6a524529ab93304c8Romain Guy /** 2879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * If the region is a rectangle, coordinates of the 2889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * region are stored here. 289dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 2909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy Rect regionRect; 2919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 292dda570201ac851dd85af3861f7e575721d3345daRomain Guy /** 2939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * If the layer can be rendered as a mesh, this is non-null. 294dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 2959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy TextureVertex* mesh; 2969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy uint16_t* meshIndices; 2979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GLsizei meshElementCount; 2989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2992bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy /** 3002bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy * Used for deferred updates. 3012bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy */ 3022bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy bool deferredUpdateScheduled; 3032bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer; 3042bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy DisplayList* displayList; 3052bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect dirtyRect; 3065bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy bool debugDrawUpdate; 3072bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 3089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guyprivate: 309dda570201ac851dd85af3861f7e575721d3345daRomain Guy /** 3109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Name of the FBO used to render the layer. If the name is 0 3119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * this layer is not backed by an FBO, but a simple texture. 312dda570201ac851dd85af3861f7e575721d3345daRomain Guy */ 3139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GLuint fbo; 3148550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 31538c85b907a478af96d71b9a5df5a2066b8475311Romain Guy /** 3168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * Name of the render buffer used as the stencil buffer. If the 3178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy * name is 0, this layer does not have a stencil buffer. 3188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy */ 3198ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy GLuint stencil; 3208ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 3218ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy /** 3220bb5667b4ef91fefd0500fae0186789d15d54e0eRomain Guy * Indicates whether this layer has been used already. 32338c85b907a478af96d71b9a5df5a2066b8475311Romain Guy */ 32438c85b907a478af96d71b9a5df5a2066b8475311Romain Guy bool empty; 3258550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy 3268550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy /** 3279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * The texture backing this layer. 3288550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy */ 3299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy Texture texture; 3309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 3318550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy /** 3329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * If set to true (by default), the layer can be reused. 3338550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy */ 3349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bool cacheable; 3355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy /** 3379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * When set to true, this layer must be treated as a texture 3389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * layer. 3395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy */ 3409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bool textureLayer; 3419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 34240667676e542a9daeafeac9904c30004e8706fd3Romain Guy /** 3437c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * When set to true, this layer is dirty and should be cleared 3447c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy * before any rendering occurs. 3457c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy */ 3467c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy bool dirty; 3477c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 3487c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy /** 3499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Indicates the render target. 35040667676e542a9daeafeac9904c30004e8706fd3Romain Guy */ 3519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GLenum renderTarget; 352171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy 353171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy /** 354171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy * Color filter used to draw this layer. Optional. 355171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy */ 356171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy SkiaColorFilter* colorFilter; 357f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 358f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy /** 3599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Opacity of the layer. 360aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 3619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy int alpha; 362aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 3639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy * Blending mode of the layer. 364aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 3659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy SkXfermode::Mode mode; 366aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 367aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy /** 368aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy * Optional texture coordinates transform. 369aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy */ 370aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mat4 texTransform; 3718f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 372302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy /** 373302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy * Optional transform. 374302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy */ 375302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4 transform; 376302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 377dda570201ac851dd85af3861f7e575721d3345daRomain Guy}; // struct Layer 378dda570201ac851dd85af3861f7e575721d3345daRomain Guy 379dda570201ac851dd85af3861f7e575721d3345daRomain Guy}; // namespace uirenderer 380dda570201ac851dd85af3861f7e575721d3345daRomain Guy}; // namespace android 381dda570201ac851dd85af3861f7e575721d3345daRomain Guy 3825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif // ANDROID_HWUI_LAYER_H 383