| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * Copyright (c) 2011-2014 The Linux Foundation. All rights reserved. |
| * |
| * 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 <limits.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <cutils/properties.h> |
| #include <sys/mman.h> |
| |
| #include "gr.h" |
| #include "gpu.h" |
| #include "memalloc.h" |
| #include "alloc_controller.h" |
| #include <qdMetaData.h> |
| |
| using namespace gralloc; |
| |
| #define SZ_1M 0x100000 |
| |
| gpu_context_t::gpu_context_t(const private_module_t* module, |
| IAllocController* alloc_ctrl ) : |
| mAllocCtrl(alloc_ctrl) |
| { |
| // Zero out the alloc_device_t |
| memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t)); |
| |
| // Initialize the procs |
| common.tag = HARDWARE_DEVICE_TAG; |
| common.version = 0; |
| common.module = const_cast<hw_module_t*>(&module->base.common); |
| common.close = gralloc_close; |
| alloc = gralloc_alloc; |
| free = gralloc_free; |
| |
| } |
| |
| int gpu_context_t::gralloc_alloc_buffer(unsigned int size, int usage, |
| buffer_handle_t* pHandle, int bufferType, |
| int format, int width, int height) |
| { |
| int err = 0; |
| int flags = 0; |
| size = roundUpToPageSize(size); |
| alloc_data data; |
| data.offset = 0; |
| data.fd = -1; |
| data.base = 0; |
| if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED) |
| data.align = 8192; |
| else |
| data.align = getpagesize(); |
| |
| /* force 1MB alignment selectively for secure buffers, MDP5 onwards */ |
| #ifdef MDSS_TARGET |
| if ((usage & GRALLOC_USAGE_PROTECTED) && |
| (usage & GRALLOC_USAGE_PRIVATE_MM_HEAP)) { |
| data.align = ALIGN((int) data.align, SZ_1M); |
| size = ALIGN(size, data.align); |
| } |
| #endif |
| |
| data.size = size; |
| data.pHandle = (uintptr_t) pHandle; |
| err = mAllocCtrl->allocate(data, usage); |
| |
| if (!err) { |
| /* allocate memory for enhancement data */ |
| alloc_data eData; |
| eData.fd = -1; |
| eData.base = 0; |
| eData.offset = 0; |
| eData.size = ROUND_UP_PAGESIZE(sizeof(MetaData_t)); |
| eData.pHandle = data.pHandle; |
| eData.align = getpagesize(); |
| int eDataUsage = GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP; |
| int eDataErr = mAllocCtrl->allocate(eData, eDataUsage); |
| ALOGE_IF(eDataErr, "gralloc failed for eDataErr=%s", |
| strerror(-eDataErr)); |
| |
| if (usage & GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY) { |
| flags |= private_handle_t::PRIV_FLAGS_EXTERNAL_ONLY; |
| } |
| |
| ColorSpace_t colorSpace = ITU_R_601; |
| flags |= private_handle_t::PRIV_FLAGS_ITU_R_601; |
| if (bufferType == BUFFER_TYPE_VIDEO) { |
| if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) { |
| #ifndef MDSS_TARGET |
| colorSpace = ITU_R_601_FR; |
| flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR; |
| #else |
| // Per the camera spec ITU 709 format should be set only for |
| // video encoding. |
| // It should be set to ITU 601 full range format for any other |
| // camera buffer |
| // |
| if (usage & GRALLOC_USAGE_HW_CAMERA_MASK) { |
| if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) { |
| flags |= private_handle_t::PRIV_FLAGS_ITU_R_709; |
| colorSpace = ITU_R_709; |
| } else { |
| flags |= private_handle_t::PRIV_FLAGS_ITU_R_601_FR; |
| colorSpace = ITU_R_601_FR; |
| } |
| } |
| #endif |
| } |
| } |
| |
| if (usage & GRALLOC_USAGE_HW_VIDEO_ENCODER ) { |
| flags |= private_handle_t::PRIV_FLAGS_VIDEO_ENCODER; |
| } |
| |
| if (usage & GRALLOC_USAGE_HW_CAMERA_WRITE) { |
| flags |= private_handle_t::PRIV_FLAGS_CAMERA_WRITE; |
| } |
| |
| if (usage & GRALLOC_USAGE_HW_CAMERA_READ) { |
| flags |= private_handle_t::PRIV_FLAGS_CAMERA_READ; |
| } |
| |
| if (usage & GRALLOC_USAGE_HW_COMPOSER) { |
| flags |= private_handle_t::PRIV_FLAGS_HW_COMPOSER; |
| } |
| |
| if (usage & GRALLOC_USAGE_HW_TEXTURE) { |
| flags |= private_handle_t::PRIV_FLAGS_HW_TEXTURE; |
| } |
| |
| if(usage & GRALLOC_USAGE_PRIVATE_SECURE_DISPLAY) { |
| flags |= private_handle_t::PRIV_FLAGS_SECURE_DISPLAY; |
| } |
| |
| if(isMacroTileEnabled(format, usage)) { |
| flags |= private_handle_t::PRIV_FLAGS_TILE_RENDERED; |
| } |
| |
| if (isUBwcEnabled(format, usage)) { |
| flags |= private_handle_t::PRIV_FLAGS_UBWC_ALIGNED; |
| } |
| |
| if(usage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) { |
| flags |= private_handle_t::PRIV_FLAGS_CPU_RENDERED; |
| } |
| |
| if (usage & (GRALLOC_USAGE_HW_VIDEO_ENCODER | |
| GRALLOC_USAGE_HW_CAMERA_WRITE | |
| GRALLOC_USAGE_HW_RENDER | |
| GRALLOC_USAGE_HW_FB)) { |
| flags |= private_handle_t::PRIV_FLAGS_NON_CPU_WRITER; |
| } |
| |
| if(false == data.uncached) { |
| flags |= private_handle_t::PRIV_FLAGS_CACHED; |
| } |
| |
| flags |= data.allocType; |
| uint64_t eBaseAddr = (uint64_t)(eData.base) + eData.offset; |
| private_handle_t *hnd = new private_handle_t(data.fd, size, flags, |
| bufferType, format, width, height, eData.fd, eData.offset, |
| eBaseAddr); |
| |
| hnd->offset = data.offset; |
| hnd->base = (uint64_t)(data.base) + data.offset; |
| hnd->gpuaddr = 0; |
| setMetaData(hnd, UPDATE_COLOR_SPACE, (void*) &colorSpace); |
| |
| *pHandle = hnd; |
| } |
| |
| ALOGE_IF(err, "gralloc failed err=%s", strerror(-err)); |
| |
| return err; |
| } |
| |
| void gpu_context_t::getGrallocInformationFromFormat(int inputFormat, |
| int *bufferType) |
| { |
| *bufferType = BUFFER_TYPE_VIDEO; |
| |
| if (inputFormat <= HAL_PIXEL_FORMAT_BGRA_8888) { |
| // RGB formats |
| *bufferType = BUFFER_TYPE_UI; |
| } else if ((inputFormat == HAL_PIXEL_FORMAT_R_8) || |
| (inputFormat == HAL_PIXEL_FORMAT_RG_88)) { |
| *bufferType = BUFFER_TYPE_UI; |
| } |
| } |
| |
| int gpu_context_t::gralloc_alloc_framebuffer_locked(int usage, |
| buffer_handle_t* pHandle) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>(common.module); |
| |
| // we don't support framebuffer allocations with graphics heap flags |
| if (usage & GRALLOC_HEAP_MASK) { |
| return -EINVAL; |
| } |
| |
| if (m->framebuffer == NULL) { |
| ALOGE("%s: Invalid framebuffer", __FUNCTION__); |
| return -EINVAL; |
| } |
| |
| const unsigned int bufferMask = m->bufferMask; |
| const uint32_t numBuffers = m->numBuffers; |
| unsigned int bufferSize = m->finfo.line_length * m->info.yres; |
| |
| //adreno needs FB size to be page aligned |
| bufferSize = roundUpToPageSize(bufferSize); |
| |
| if (numBuffers == 1) { |
| // If we have only one buffer, we never use page-flipping. Instead, |
| // we return a regular buffer which will be memcpy'ed to the main |
| // screen when post is called. |
| int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D; |
| return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI, |
| m->fbFormat, m->info.xres, m->info.yres); |
| } |
| |
| if (bufferMask >= ((1LU<<numBuffers)-1)) { |
| // We ran out of buffers. |
| return -ENOMEM; |
| } |
| |
| // create a "fake" handle for it |
| uint64_t vaddr = uint64_t(m->framebuffer->base); |
| // As GPU needs ION FD, the private handle is created |
| // using ION fd and ION flags are set |
| private_handle_t* hnd = new private_handle_t( |
| dup(m->framebuffer->fd), bufferSize, |
| private_handle_t::PRIV_FLAGS_USES_ION | |
| private_handle_t::PRIV_FLAGS_FRAMEBUFFER, |
| BUFFER_TYPE_UI, m->fbFormat, m->info.xres, |
| m->info.yres); |
| |
| // find a free slot |
| for (uint32_t i=0 ; i<numBuffers ; i++) { |
| if ((bufferMask & (1LU<<i)) == 0) { |
| m->bufferMask |= (uint32_t)(1LU<<i); |
| break; |
| } |
| vaddr += bufferSize; |
| } |
| hnd->base = vaddr; |
| hnd->offset = (unsigned int)(vaddr - m->framebuffer->base); |
| *pHandle = hnd; |
| return 0; |
| } |
| |
| |
| int gpu_context_t::gralloc_alloc_framebuffer(int usage, |
| buffer_handle_t* pHandle) |
| { |
| private_module_t* m = reinterpret_cast<private_module_t*>(common.module); |
| pthread_mutex_lock(&m->lock); |
| int err = gralloc_alloc_framebuffer_locked(usage, pHandle); |
| pthread_mutex_unlock(&m->lock); |
| return err; |
| } |
| |
| int gpu_context_t::alloc_impl(int w, int h, int format, int usage, |
| buffer_handle_t* pHandle, int* pStride, |
| unsigned int bufferSize) { |
| if (!pHandle || !pStride) |
| return -EINVAL; |
| |
| unsigned int size; |
| int alignedw, alignedh; |
| int grallocFormat = format; |
| int bufferType; |
| |
| //If input format is HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED then based on |
| //the usage bits, gralloc assigns a format. |
| if(format == HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED || |
| format == HAL_PIXEL_FORMAT_YCbCr_420_888) { |
| if(usage & GRALLOC_USAGE_HW_VIDEO_ENCODER) |
| grallocFormat = HAL_PIXEL_FORMAT_NV12_ENCODEABLE; //NV12 |
| else if((usage & GRALLOC_USAGE_HW_CAMERA_MASK) |
| == GRALLOC_USAGE_HW_CAMERA_ZSL) |
| grallocFormat = HAL_PIXEL_FORMAT_NV21_ZSL; //NV21 ZSL |
| else if(usage & GRALLOC_USAGE_HW_CAMERA_READ) |
| grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21 |
| else if(usage & GRALLOC_USAGE_HW_CAMERA_WRITE) |
| grallocFormat = HAL_PIXEL_FORMAT_YCrCb_420_SP; //NV21 |
| else if(usage & GRALLOC_USAGE_HW_COMPOSER) |
| //XXX: If we still haven't set a format, default to RGBA8888 |
| grallocFormat = HAL_PIXEL_FORMAT_RGBA_8888; |
| } |
| |
| getGrallocInformationFromFormat(grallocFormat, &bufferType); |
| size = getBufferSizeAndDimensions(w, h, grallocFormat, usage, alignedw, |
| alignedh); |
| |
| if ((unsigned int)size <= 0) |
| return -EINVAL; |
| size = (bufferSize >= size)? bufferSize : size; |
| |
| bool useFbMem = false; |
| char property[PROPERTY_VALUE_MAX]; |
| if((usage & GRALLOC_USAGE_HW_FB) && |
| (property_get("debug.gralloc.map_fb_memory", property, NULL) > 0) && |
| (!strncmp(property, "1", PROPERTY_VALUE_MAX ) || |
| (!strncasecmp(property,"true", PROPERTY_VALUE_MAX )))) { |
| useFbMem = true; |
| } |
| |
| int err = 0; |
| if(useFbMem) { |
| err = gralloc_alloc_framebuffer(usage, pHandle); |
| } else { |
| err = gralloc_alloc_buffer(size, usage, pHandle, bufferType, |
| grallocFormat, alignedw, alignedh); |
| } |
| |
| if (err < 0) { |
| return err; |
| } |
| |
| *pStride = alignedw; |
| return 0; |
| } |
| |
| int gpu_context_t::free_impl(private_handle_t const* hnd) { |
| private_module_t* m = reinterpret_cast<private_module_t*>(common.module); |
| if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) { |
| const unsigned int bufferSize = m->finfo.line_length * m->info.yres; |
| unsigned int index = (unsigned int) ((hnd->base - m->framebuffer->base) |
| / bufferSize); |
| m->bufferMask &= (uint32_t)~(1LU<<index); |
| } else { |
| |
| terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd)); |
| IMemAlloc* memalloc = mAllocCtrl->getAllocator(hnd->flags); |
| int err = memalloc->free_buffer((void*)hnd->base, hnd->size, |
| hnd->offset, hnd->fd); |
| if(err) |
| return err; |
| // free the metadata space |
| unsigned int size = ROUND_UP_PAGESIZE(sizeof(MetaData_t)); |
| err = memalloc->free_buffer((void*)hnd->base_metadata, |
| size, hnd->offset_metadata, |
| hnd->fd_metadata); |
| if (err) |
| return err; |
| } |
| delete hnd; |
| return 0; |
| } |
| |
| int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format, |
| int usage, buffer_handle_t* pHandle, |
| int* pStride) |
| { |
| if (!dev) { |
| return -EINVAL; |
| } |
| gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev); |
| return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0); |
| } |
| int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h, |
| int format, int usage, |
| buffer_handle_t* pHandle, int* pStride, |
| int bufferSize) |
| { |
| if (!dev) { |
| return -EINVAL; |
| } |
| gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev); |
| return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize); |
| } |
| |
| |
| int gpu_context_t::gralloc_free(alloc_device_t* dev, |
| buffer_handle_t handle) |
| { |
| if (private_handle_t::validate(handle) < 0) |
| return -EINVAL; |
| |
| private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle); |
| gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev); |
| return gpu->free_impl(hnd); |
| } |
| |
| /*****************************************************************************/ |
| |
| int gpu_context_t::gralloc_close(struct hw_device_t *dev) |
| { |
| gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev); |
| if (ctx) { |
| /* TODO: keep a list of all buffer_handle_t created, and free them |
| * all here. |
| */ |
| delete ctx; |
| } |
| return 0; |
| } |
| |
