19fded232a9548a304e0145011df8849fba0dcda7Chris Craik/* 29fded232a9548a304e0145011df8849fba0dcda7Chris Craik * Copyright (C) 2015 The Android Open Source Project 39fded232a9548a304e0145011df8849fba0dcda7Chris Craik * 49fded232a9548a304e0145011df8849fba0dcda7Chris Craik * Licensed under the Apache License, Version 2.0 (the "License"); 59fded232a9548a304e0145011df8849fba0dcda7Chris Craik * you may not use this file except in compliance with the License. 69fded232a9548a304e0145011df8849fba0dcda7Chris Craik * You may obtain a copy of the License at 79fded232a9548a304e0145011df8849fba0dcda7Chris Craik * 89fded232a9548a304e0145011df8849fba0dcda7Chris Craik * http://www.apache.org/licenses/LICENSE-2.0 99fded232a9548a304e0145011df8849fba0dcda7Chris Craik * 109fded232a9548a304e0145011df8849fba0dcda7Chris Craik * Unless required by applicable law or agreed to in writing, software 119fded232a9548a304e0145011df8849fba0dcda7Chris Craik * distributed under the License is distributed on an "AS IS" BASIS, 129fded232a9548a304e0145011df8849fba0dcda7Chris Craik * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139fded232a9548a304e0145011df8849fba0dcda7Chris Craik * See the License for the specific language governing permissions and 149fded232a9548a304e0145011df8849fba0dcda7Chris Craik * limitations under the License. 159fded232a9548a304e0145011df8849fba0dcda7Chris Craik */ 169fded232a9548a304e0145011df8849fba0dcda7Chris Craik 179fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "OffscreenBufferPool.h" 189fded232a9548a304e0145011df8849fba0dcda7Chris Craik 199fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "Caches.h" 209fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "Properties.h" 219fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "renderstate/RenderState.h" 229fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include "utils/FatVector.h" 23aff230f6f9f9e44a5e111ba3f087d03f7a0e24f3Chris Craik#include "utils/TraceUtils.h" 249fded232a9548a304e0145011df8849fba0dcda7Chris Craik 25253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy#include <utils/Color.h> 269fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include <utils/Log.h> 279fded232a9548a304e0145011df8849fba0dcda7Chris Craik 289fded232a9548a304e0145011df8849fba0dcda7Chris Craik#include <GLES2/gl2.h> 299fded232a9548a304e0145011df8849fba0dcda7Chris Craik 309fded232a9548a304e0145011df8849fba0dcda7Chris Craiknamespace android { 319fded232a9548a304e0145011df8849fba0dcda7Chris Craiknamespace uirenderer { 329fded232a9548a304e0145011df8849fba0dcda7Chris Craik 339fded232a9548a304e0145011df8849fba0dcda7Chris Craik//////////////////////////////////////////////////////////////////////////////// 349fded232a9548a304e0145011df8849fba0dcda7Chris Craik// OffscreenBuffer 359fded232a9548a304e0145011df8849fba0dcda7Chris Craik//////////////////////////////////////////////////////////////////////////////// 369fded232a9548a304e0145011df8849fba0dcda7Chris Craik 379fded232a9548a304e0145011df8849fba0dcda7Chris CraikOffscreenBuffer::OffscreenBuffer(RenderState& renderState, Caches& caches, 389fded232a9548a304e0145011df8849fba0dcda7Chris Craik uint32_t viewportWidth, uint32_t viewportHeight) 3938e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck : GpuMemoryTracker(GpuObjectType::OffscreenBuffer) 4038e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck , renderState(renderState) 419fded232a9548a304e0145011df8849fba0dcda7Chris Craik , viewportWidth(viewportWidth) 429fded232a9548a304e0145011df8849fba0dcda7Chris Craik , viewportHeight(viewportHeight) 439fded232a9548a304e0145011df8849fba0dcda7Chris Craik , texture(caches) { 4438e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck uint32_t width = computeIdealDimension(viewportWidth); 4538e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck uint32_t height = computeIdealDimension(viewportHeight); 46aff230f6f9f9e44a5e111ba3f087d03f7a0e24f3Chris Craik ATRACE_FORMAT("Allocate %ux%u HW Layer", width, height); 47bd41ded59090e8cdf598e0c65693f1cf0885bbeaJohn Reck caches.textureState().activateTexture(0); 48253f2c213f6ecda63b6872aee77bd30d5ec07c82Romain Guy texture.resize(width, height, caches.rgbaInternalFormat(), GL_RGBA); 499fded232a9548a304e0145011df8849fba0dcda7Chris Craik texture.blend = true; 5038e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck texture.setWrap(GL_CLAMP_TO_EDGE); 519fded232a9548a304e0145011df8849fba0dcda7Chris Craik // not setting filter on texture, since it's set when drawing, based on transform 529fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 539fded232a9548a304e0145011df8849fba0dcda7Chris Craik 547435eb148e72382126e9073183e881357bb38a8bChris CraikRect OffscreenBuffer::getTextureCoordinates() { 5538e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck const float texX = 1.0f / static_cast<float>(texture.width()); 5638e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck const float texY = 1.0f / static_cast<float>(texture.height()); 577435eb148e72382126e9073183e881357bb38a8bChris Craik return Rect(0, viewportHeight * texY, viewportWidth * texX, 0); 587435eb148e72382126e9073183e881357bb38a8bChris Craik} 597435eb148e72382126e9073183e881357bb38a8bChris Craik 6064db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craikvoid OffscreenBuffer::dirty(Rect dirtyArea) { 6164db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik dirtyArea.doIntersect(0, 0, viewportWidth, viewportHeight); 6264db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik if (!dirtyArea.isEmpty()) { 6364db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik region.orSelf(android::Rect(dirtyArea.left, dirtyArea.top, 6464db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik dirtyArea.right, dirtyArea.bottom)); 6564db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik } 6664db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik} 6764db2bf1118db88c937e2b8c61b299bb2a80e3cbChris Craik 689fded232a9548a304e0145011df8849fba0dcda7Chris Craikvoid OffscreenBuffer::updateMeshFromRegion() { 699fded232a9548a304e0145011df8849fba0dcda7Chris Craik // avoid T-junctions as they cause artifacts in between the resultant 709fded232a9548a304e0145011df8849fba0dcda7Chris Craik // geometry when complex transforms occur. 719fded232a9548a304e0145011df8849fba0dcda7Chris Craik // TODO: generate the safeRegion only if necessary based on drawing transform 729fded232a9548a304e0145011df8849fba0dcda7Chris Craik Region safeRegion = Region::createTJunctionFreeRegion(region); 739fded232a9548a304e0145011df8849fba0dcda7Chris Craik 749fded232a9548a304e0145011df8849fba0dcda7Chris Craik size_t count; 759fded232a9548a304e0145011df8849fba0dcda7Chris Craik const android::Rect* rects = safeRegion.getArray(&count); 769fded232a9548a304e0145011df8849fba0dcda7Chris Craik 7738e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck const float texX = 1.0f / float(texture.width()); 7838e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck const float texY = 1.0f / float(texture.height()); 799fded232a9548a304e0145011df8849fba0dcda7Chris Craik 809fded232a9548a304e0145011df8849fba0dcda7Chris Craik FatVector<TextureVertex, 64> meshVector(count * 4); // uses heap if more than 64 vertices needed 819fded232a9548a304e0145011df8849fba0dcda7Chris Craik TextureVertex* mesh = &meshVector[0]; 829fded232a9548a304e0145011df8849fba0dcda7Chris Craik for (size_t i = 0; i < count; i++) { 839fded232a9548a304e0145011df8849fba0dcda7Chris Craik const android::Rect* r = &rects[i]; 849fded232a9548a304e0145011df8849fba0dcda7Chris Craik 859fded232a9548a304e0145011df8849fba0dcda7Chris Craik const float u1 = r->left * texX; 869fded232a9548a304e0145011df8849fba0dcda7Chris Craik const float v1 = (viewportHeight - r->top) * texY; 879fded232a9548a304e0145011df8849fba0dcda7Chris Craik const float u2 = r->right * texX; 889fded232a9548a304e0145011df8849fba0dcda7Chris Craik const float v2 = (viewportHeight - r->bottom) * texY; 899fded232a9548a304e0145011df8849fba0dcda7Chris Craik 909fded232a9548a304e0145011df8849fba0dcda7Chris Craik TextureVertex::set(mesh++, r->left, r->top, u1, v1); 919fded232a9548a304e0145011df8849fba0dcda7Chris Craik TextureVertex::set(mesh++, r->right, r->top, u2, v1); 929fded232a9548a304e0145011df8849fba0dcda7Chris Craik TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 939fded232a9548a304e0145011df8849fba0dcda7Chris Craik TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 949fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 959fded232a9548a304e0145011df8849fba0dcda7Chris Craik elementCount = count * 6; 969fded232a9548a304e0145011df8849fba0dcda7Chris Craik renderState.meshState().genOrUpdateMeshBuffer(&vbo, 979fded232a9548a304e0145011df8849fba0dcda7Chris Craik sizeof(TextureVertex) * count * 4, 989fded232a9548a304e0145011df8849fba0dcda7Chris Craik &meshVector[0], 999fded232a9548a304e0145011df8849fba0dcda7Chris Craik GL_DYNAMIC_DRAW); // TODO: GL_STATIC_DRAW if savelayer 1009fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1019fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1029fded232a9548a304e0145011df8849fba0dcda7Chris Craikuint32_t OffscreenBuffer::computeIdealDimension(uint32_t dimension) { 1039fded232a9548a304e0145011df8849fba0dcda7Chris Craik return uint32_t(ceilf(dimension / float(LAYER_SIZE)) * LAYER_SIZE); 1049fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1059fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1069fded232a9548a304e0145011df8849fba0dcda7Chris CraikOffscreenBuffer::~OffscreenBuffer() { 107aff230f6f9f9e44a5e111ba3f087d03f7a0e24f3Chris Craik ATRACE_FORMAT("Destroy %ux%u HW Layer", texture.width(), texture.height()); 1089fded232a9548a304e0145011df8849fba0dcda7Chris Craik texture.deleteTexture(); 1099fded232a9548a304e0145011df8849fba0dcda7Chris Craik renderState.meshState().deleteMeshBuffer(vbo); 1109fded232a9548a304e0145011df8849fba0dcda7Chris Craik elementCount = 0; 1119fded232a9548a304e0145011df8849fba0dcda7Chris Craik vbo = 0; 1129fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1139fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1149fded232a9548a304e0145011df8849fba0dcda7Chris Craik/////////////////////////////////////////////////////////////////////////////// 1159fded232a9548a304e0145011df8849fba0dcda7Chris Craik// OffscreenBufferPool 1169fded232a9548a304e0145011df8849fba0dcda7Chris Craik/////////////////////////////////////////////////////////////////////////////// 1179fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1189fded232a9548a304e0145011df8849fba0dcda7Chris CraikOffscreenBufferPool::OffscreenBufferPool() 1199fded232a9548a304e0145011df8849fba0dcda7Chris Craik : mMaxSize(Properties::layerPoolSize) { 1209fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1219fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1229fded232a9548a304e0145011df8849fba0dcda7Chris CraikOffscreenBufferPool::~OffscreenBufferPool() { 1239fded232a9548a304e0145011df8849fba0dcda7Chris Craik clear(); // TODO: unique_ptr? 1249fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1259fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1269fded232a9548a304e0145011df8849fba0dcda7Chris Craikint OffscreenBufferPool::Entry::compare(const Entry& lhs, const Entry& rhs) { 1279fded232a9548a304e0145011df8849fba0dcda7Chris Craik int deltaInt = int(lhs.width) - int(rhs.width); 1289fded232a9548a304e0145011df8849fba0dcda7Chris Craik if (deltaInt != 0) return deltaInt; 1299fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1309fded232a9548a304e0145011df8849fba0dcda7Chris Craik return int(lhs.height) - int(rhs.height); 1319fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1329fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1339fded232a9548a304e0145011df8849fba0dcda7Chris Craikvoid OffscreenBufferPool::clear() { 13474af6e282f8a8f75928a071e8200039517cf5c12Chris Craik for (auto& entry : mPool) { 1359fded232a9548a304e0145011df8849fba0dcda7Chris Craik delete entry.layer; 1369fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 1379fded232a9548a304e0145011df8849fba0dcda7Chris Craik mPool.clear(); 1389fded232a9548a304e0145011df8849fba0dcda7Chris Craik mSize = 0; 1399fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1409fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1419fded232a9548a304e0145011df8849fba0dcda7Chris CraikOffscreenBuffer* OffscreenBufferPool::get(RenderState& renderState, 1429fded232a9548a304e0145011df8849fba0dcda7Chris Craik const uint32_t width, const uint32_t height) { 1439fded232a9548a304e0145011df8849fba0dcda7Chris Craik OffscreenBuffer* layer = nullptr; 1449fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1459fded232a9548a304e0145011df8849fba0dcda7Chris Craik Entry entry(width, height); 1469fded232a9548a304e0145011df8849fba0dcda7Chris Craik auto iter = mPool.find(entry); 1479fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1489fded232a9548a304e0145011df8849fba0dcda7Chris Craik if (iter != mPool.end()) { 1499fded232a9548a304e0145011df8849fba0dcda7Chris Craik entry = *iter; 1509fded232a9548a304e0145011df8849fba0dcda7Chris Craik mPool.erase(iter); 1519fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1529fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer = entry.layer; 1539fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer->viewportWidth = width; 1549fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer->viewportHeight = height; 1559fded232a9548a304e0145011df8849fba0dcda7Chris Craik mSize -= layer->getSizeInBytes(); 1569fded232a9548a304e0145011df8849fba0dcda7Chris Craik } else { 1579fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer = new OffscreenBuffer(renderState, Caches::getInstance(), width, height); 1589fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 1599fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1609fded232a9548a304e0145011df8849fba0dcda7Chris Craik return layer; 1619fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1629fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1639fded232a9548a304e0145011df8849fba0dcda7Chris CraikOffscreenBuffer* OffscreenBufferPool::resize(OffscreenBuffer* layer, 1649fded232a9548a304e0145011df8849fba0dcda7Chris Craik const uint32_t width, const uint32_t height) { 1659fded232a9548a304e0145011df8849fba0dcda7Chris Craik RenderState& renderState = layer->renderState; 16638e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck if (layer->texture.width() == OffscreenBuffer::computeIdealDimension(width) 16738e0c32852e3b9d8ca4a9d3791577f52536419cbJohn Reck && layer->texture.height() == OffscreenBuffer::computeIdealDimension(height)) { 1689fded232a9548a304e0145011df8849fba0dcda7Chris Craik // resize in place 1699fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer->viewportWidth = width; 1709fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer->viewportHeight = height; 17102806288d1c56475413888a934c796e6e4eb11c5Chris Craik 17202806288d1c56475413888a934c796e6e4eb11c5Chris Craik // entire area will be repainted (and may be smaller) so clear usage region 17302806288d1c56475413888a934c796e6e4eb11c5Chris Craik layer->region.clear(); 1749fded232a9548a304e0145011df8849fba0dcda7Chris Craik return layer; 1759fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 1769fded232a9548a304e0145011df8849fba0dcda7Chris Craik putOrDelete(layer); 1779fded232a9548a304e0145011df8849fba0dcda7Chris Craik return get(renderState, width, height); 1789fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1799fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1809fded232a9548a304e0145011df8849fba0dcda7Chris Craikvoid OffscreenBufferPool::dump() { 1819fded232a9548a304e0145011df8849fba0dcda7Chris Craik for (auto entry : mPool) { 1829fded232a9548a304e0145011df8849fba0dcda7Chris Craik ALOGD(" Layer size %dx%d", entry.width, entry.height); 1839fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 1849fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 1859fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1869fded232a9548a304e0145011df8849fba0dcda7Chris Craikvoid OffscreenBufferPool::putOrDelete(OffscreenBuffer* layer) { 1879fded232a9548a304e0145011df8849fba0dcda7Chris Craik const uint32_t size = layer->getSizeInBytes(); 1889fded232a9548a304e0145011df8849fba0dcda7Chris Craik // Don't even try to cache a layer that's bigger than the cache 1899fded232a9548a304e0145011df8849fba0dcda7Chris Craik if (size < mMaxSize) { 1909fded232a9548a304e0145011df8849fba0dcda7Chris Craik // TODO: Use an LRU 1919fded232a9548a304e0145011df8849fba0dcda7Chris Craik while (mSize + size > mMaxSize) { 1929fded232a9548a304e0145011df8849fba0dcda7Chris Craik OffscreenBuffer* victim = mPool.begin()->layer; 1939fded232a9548a304e0145011df8849fba0dcda7Chris Craik mSize -= victim->getSizeInBytes(); 1949fded232a9548a304e0145011df8849fba0dcda7Chris Craik delete victim; 1959fded232a9548a304e0145011df8849fba0dcda7Chris Craik mPool.erase(mPool.begin()); 1969fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 1979fded232a9548a304e0145011df8849fba0dcda7Chris Craik 1989fded232a9548a304e0145011df8849fba0dcda7Chris Craik // clear region, since it's no longer valid 1999fded232a9548a304e0145011df8849fba0dcda7Chris Craik layer->region.clear(); 2009fded232a9548a304e0145011df8849fba0dcda7Chris Craik 2019fded232a9548a304e0145011df8849fba0dcda7Chris Craik Entry entry(layer); 2029fded232a9548a304e0145011df8849fba0dcda7Chris Craik 2039fded232a9548a304e0145011df8849fba0dcda7Chris Craik mPool.insert(entry); 2049fded232a9548a304e0145011df8849fba0dcda7Chris Craik mSize += size; 2059fded232a9548a304e0145011df8849fba0dcda7Chris Craik } else { 2069fded232a9548a304e0145011df8849fba0dcda7Chris Craik delete layer; 2079fded232a9548a304e0145011df8849fba0dcda7Chris Craik } 2089fded232a9548a304e0145011df8849fba0dcda7Chris Craik} 2099fded232a9548a304e0145011df8849fba0dcda7Chris Craik 2109fded232a9548a304e0145011df8849fba0dcda7Chris Craik}; // namespace uirenderer 2119fded232a9548a304e0145011df8849fba0dcda7Chris Craik}; // namespace android 212