diff options
Diffstat (limited to 'libs/surfaceflinger/LayerBitmap.cpp')
| -rw-r--r-- | libs/surfaceflinger/LayerBitmap.cpp | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/libs/surfaceflinger/LayerBitmap.cpp b/libs/surfaceflinger/LayerBitmap.cpp deleted file mode 100644 index dd61e1a3f111..000000000000 --- a/libs/surfaceflinger/LayerBitmap.cpp +++ /dev/null @@ -1,198 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <stdlib.h> -#include <stdint.h> -#include <sys/types.h> - -#include <utils/Errors.h> -#include <utils/Log.h> -#include <binder/MemoryBase.h> -#include <binder/IMemory.h> - -#include <ui/PixelFormat.h> -#include <ui/Surface.h> -#include <pixelflinger/pixelflinger.h> - -#include "BufferAllocator.h" -#include "LayerBitmap.h" -#include "SurfaceFlinger.h" - - -namespace android { - -// =========================================================================== -// Buffer and implementation of android_native_buffer_t -// =========================================================================== - -Buffer::Buffer(uint32_t w, uint32_t h, PixelFormat format, - uint32_t reqUsage, uint32_t flags) - : SurfaceBuffer(), mInitCheck(NO_INIT), mFlags(flags), - mVStride(0) -{ - this->format = format; - if (w>0 && h>0) { - mInitCheck = initSize(w, h, reqUsage); - } -} - -Buffer::~Buffer() -{ - if (handle) { - BufferAllocator& allocator(BufferAllocator::get()); - allocator.free(handle); - } -} - -status_t Buffer::initCheck() const { - return mInitCheck; -} - -android_native_buffer_t* Buffer::getNativeBuffer() const -{ - return static_cast<android_native_buffer_t*>(const_cast<Buffer*>(this)); -} - -status_t Buffer::initSize(uint32_t w, uint32_t h, uint32_t reqUsage) -{ - status_t err = NO_ERROR; - - BufferAllocator& allocator = BufferAllocator::get(); - - /* - * buffers used for software rendering, but h/w composition - * are allocated with SW_READ_OFTEN | SW_WRITE_OFTEN | HW_TEXTURE - * - * buffers used for h/w rendering and h/w composition - * are allocated with HW_RENDER | HW_TEXTURE - * - * buffers used with h/w rendering and either NPOT or no egl_image_ext - * are allocated with SW_READ_RARELY | HW_RENDER - * - */ - - if (mFlags & Buffer::SECURE) { - // secure buffer, don't store it into the GPU - usage = BufferAllocator::USAGE_SW_READ_OFTEN | - BufferAllocator::USAGE_SW_WRITE_OFTEN; - } else { - // it's allowed to modify the usage flags here, but generally - // the requested flags should be honored. - usage = reqUsage | BufferAllocator::USAGE_HW_TEXTURE; - } - - err = allocator.alloc(w, h, format, usage, &handle, &stride); - - if (err == NO_ERROR) { - width = w; - height = h; - mVStride = 0; - } - - return err; -} - -status_t Buffer::lock(GGLSurface* sur, uint32_t usage) -{ - void* vaddr; - status_t res = SurfaceBuffer::lock(usage, &vaddr); - if (res == NO_ERROR && sur) { - sur->version = sizeof(GGLSurface); - sur->width = width; - sur->height = height; - sur->stride = stride; - sur->format = format; - sur->vstride = mVStride; - sur->data = static_cast<GGLubyte*>(vaddr); - } - return res; -} - -// =========================================================================== -// LayerBitmap -// =========================================================================== - -LayerBitmap::LayerBitmap() - : mInfo(0), mWidth(0), mHeight(0) -{ -} - -LayerBitmap::~LayerBitmap() -{ -} - -status_t LayerBitmap::init(surface_info_t* info, - uint32_t w, uint32_t h, PixelFormat format, uint32_t flags) -{ - if (info == NULL) - return BAD_VALUE; - - mFormat = format; - mFlags = flags; - mWidth = w; - mHeight = h; - - mInfo = info; - memset(info, 0, sizeof(surface_info_t)); - info->flags = surface_info_t::eNeedNewBuffer; - - // init the buffer, but don't trigger an allocation - mBuffer = new Buffer(0, 0, format, flags); - return NO_ERROR; -} - -status_t LayerBitmap::setSize(uint32_t w, uint32_t h) -{ - Mutex::Autolock _l(mLock); - if ((w != mWidth) || (h != mHeight)) { - mWidth = w; - mHeight = h; - // this will signal the client that it needs to asks us for a new buffer - mInfo->flags = surface_info_t::eNeedNewBuffer; - } - return NO_ERROR; -} - -sp<Buffer> LayerBitmap::allocate(uint32_t reqUsage) -{ - Mutex::Autolock _l(mLock); - surface_info_t* info = mInfo; - mBuffer.clear(); // free buffer before allocating a new one - sp<Buffer> buffer = new Buffer(mWidth, mHeight, mFormat, reqUsage, mFlags); - status_t err = buffer->initCheck(); - if (LIKELY(err == NO_ERROR)) { - info->flags = surface_info_t::eBufferDirty; - info->status = NO_ERROR; - } else { - memset(info, 0, sizeof(surface_info_t)); - info->status = NO_MEMORY; - } - mBuffer = buffer; - return buffer; -} - -status_t LayerBitmap::free() -{ - mBuffer.clear(); - mWidth = 0; - mHeight = 0; - return NO_ERROR; -} - - -// --------------------------------------------------------------------------- - -}; // namespace android |