LayerDim.cpp revision edbf3b6af777b721cd2a1ef461947e51e88241e1
1edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project/* 2edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 3edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 4edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * you may not use this file except in compliance with the License. 6edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * You may obtain a copy of the License at 7edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 8edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * 10edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * See the License for the specific language governing permissions and 14edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project * limitations under the License. 15edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project */ 16edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 17edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#define LOG_TAG "SurfaceFlinger" 18edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 19edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdlib.h> 20edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <stdint.h> 21edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <sys/types.h> 22edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 23edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Errors.h> 24edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include <utils/Log.h> 25edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 26edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "LayerDim.h" 27edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "SurfaceFlinger.h" 28edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "VRamHeap.h" 29edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project#include "DisplayHardware/DisplayHardware.h" 30edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 31edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectnamespace android { 32edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 33edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 34edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectconst uint32_t LayerDim::typeInfo = LayerBaseClient::typeInfo | 0x10; 35edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectconst char* const LayerDim::typeID = "LayerDim"; 36edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectsp<MemoryDealer> LayerDim::mDimmerDealer; 37edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectLayerBitmap LayerDim::mDimmerBitmap; 38edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 39edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 40edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 41edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectLayerDim::LayerDim(SurfaceFlinger* flinger, DisplayID display, 42edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Client* client, int32_t i) 43edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project : LayerBaseClient(flinger, display, client, i) 44edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 45edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 46edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 47edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid LayerDim::initDimmer(SurfaceFlinger* flinger, uint32_t w, uint32_t h) 48edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 49edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // must only be called once. 50edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mDimmerDealer = flinger->getSurfaceHeapManager() 51edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project ->createHeap(ISurfaceComposer::eHardware); 52edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (mDimmerDealer != 0) { 53edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mDimmerBitmap.init(mDimmerDealer); 54edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mDimmerBitmap.setBits(w, h, 1, PIXEL_FORMAT_RGB_565); 55edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mDimmerBitmap.clear(); 56edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 57edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 58edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 59edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source ProjectLayerDim::~LayerDim() 60edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 61edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 62edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 63edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Projectvoid LayerDim::onDraw(const Region& clip) const 64edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project{ 65edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const State& s(drawingState()); 66edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 67edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Region::iterator iterator(clip); 68edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (s.alpha>0 && iterator) { 69edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const DisplayHardware& hw(graphicPlane(0).displayHardware()); 70edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 71edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project status_t err = NO_ERROR; 72edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const int can_use_copybit = canUseCopybit(); 73edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (can_use_copybit) { 74edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project // StopWatch watch("copybit"); 75edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project copybit_image_t dst; 76edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project hw.getDisplaySurface(&dst); 77edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const copybit_rect_t& drect 78edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project = reinterpret_cast<const copybit_rect_t&>(mTransformedBounds); 79edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 80edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project copybit_image_t src; 81edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project mDimmerBitmap.getBitmapSurface(&src); 82edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const copybit_rect_t& srect(drect); 83edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 84edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project copybit_device_t* copybit = mFlinger->getBlitEngine(); 85edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0); 86edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, s.alpha); 87edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_ENABLE); 88edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project region_iterator it(clip); 89edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project err = copybit->stretch(copybit, &dst, &src, &drect, &srect, &it); 90edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 91edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 92edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (!can_use_copybit || err) { 93edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const GGLfixed alpha = (s.alpha << 16)/255; 94edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const uint32_t fbHeight = hw.getHeight(); 95edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDisable(GL_TEXTURE_2D); 96edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDisable(GL_DITHER); 97edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glEnable(GL_BLEND); 98edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); 99edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glColor4x(0, 0, 0, alpha); 100edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glVertexPointer(2, GL_FIXED, 0, mVertices); 101edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project Rect r; 102edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project while (iterator.iterate(&r)) { 103edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project const GLint sy = fbHeight - (r.top + r.height()); 104edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glScissor(r.left, sy, r.width(), r.height()); 105edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 106edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 107edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 108edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 109edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project} 110edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 111edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project// --------------------------------------------------------------------------- 112edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 113edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project}; // namespace android 114