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395 lines
13 KiB
395 lines
13 KiB
/*
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* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <cutils/log.h>
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#include <fcntl.h>
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#include <dlfcn.h>
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#include "gralloc_priv.h"
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#include "alloc_controller.h"
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#include "memalloc.h"
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#include "ionalloc.h"
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#include "gr.h"
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#include "comptype.h"
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#ifdef VENUS_COLOR_FORMAT
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#include <media/msm_media_info.h>
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#else
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#define VENUS_Y_STRIDE(args...) 0
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#define VENUS_Y_SCANLINES(args...) 0
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#define VENUS_BUFFER_SIZE(args...) 0
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#endif
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using namespace gralloc;
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using namespace qdutils;
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namespace android {
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ANDROID_SINGLETON_STATIC_INSTANCE(AdrenoMemInfo);
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}
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//Common functions
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static bool canFallback(int usage, bool triedSystem)
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{
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// Fallback to system heap when alloc fails unless
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// 1. Composition type is MDP
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// 2. Alloc from system heap was already tried
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// 3. The heap type is requsted explicitly
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// 4. The heap type is protected
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// 5. The buffer is meant for external display only
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if(QCCompositionType::getInstance().getCompositionType() &
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COMPOSITION_TYPE_MDP)
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return false;
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if(triedSystem)
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return false;
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if(usage & (GRALLOC_HEAP_MASK | GRALLOC_USAGE_PROTECTED))
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return false;
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if(usage & (GRALLOC_HEAP_MASK | GRALLOC_USAGE_PRIVATE_EXTERNAL_ONLY))
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return false;
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//Return true by default
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return true;
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}
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static bool useUncached(int usage)
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{
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// System heaps cannot be uncached
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if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP)
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return false;
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if (usage & GRALLOC_USAGE_PRIVATE_UNCACHED)
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return true;
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return false;
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}
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//-------------- AdrenoMemInfo-----------------------//
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AdrenoMemInfo::AdrenoMemInfo()
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{
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libadreno_utils = ::dlopen("libadreno_utils.so", RTLD_NOW);
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if (libadreno_utils) {
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*(void **)&LINK_adreno_compute_padding = ::dlsym(libadreno_utils,
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"compute_surface_padding");
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}
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}
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AdrenoMemInfo::~AdrenoMemInfo()
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{
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if (libadreno_utils) {
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::dlclose(libadreno_utils);
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}
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}
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int AdrenoMemInfo::getStride(int width, int format)
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{
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int stride = ALIGN(width, 32);
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// Currently surface padding is only computed for RGB* surfaces.
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if (format <= HAL_PIXEL_FORMAT_BGRA_8888) {
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int bpp = 4;
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switch(format)
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{
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case HAL_PIXEL_FORMAT_RGB_888:
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bpp = 3;
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break;
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case HAL_PIXEL_FORMAT_RGB_565:
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bpp = 2;
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break;
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default: break;
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}
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if ((libadreno_utils) && (LINK_adreno_compute_padding)) {
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int surface_tile_height = 1; // Linear surface
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int raster_mode = 0; // Adreno unknown raster mode.
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int padding_threshold = 512; // Threshold for padding surfaces.
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// the function below expects the width to be a multiple of
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// 32 pixels, hence we pass stride instead of width.
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stride = LINK_adreno_compute_padding(stride, bpp,
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surface_tile_height, raster_mode,
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padding_threshold);
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}
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} else {
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switch (format)
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{
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case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO:
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stride = ALIGN(width, 32);
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break;
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case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
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stride = ALIGN(width, 128);
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break;
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case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
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case HAL_PIXEL_FORMAT_YCbCr_420_SP:
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case HAL_PIXEL_FORMAT_YCrCb_420_SP:
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case HAL_PIXEL_FORMAT_YV12:
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case HAL_PIXEL_FORMAT_YCbCr_422_SP:
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case HAL_PIXEL_FORMAT_YCrCb_422_SP:
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case HAL_PIXEL_FORMAT_RAW16:
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case HAL_PIXEL_FORMAT_RAW_OPAQUE:
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stride = ALIGN(width, 16);
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break;
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case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
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stride = VENUS_Y_STRIDE(COLOR_FMT_NV12, width);
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break;
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case HAL_PIXEL_FORMAT_BLOB:
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stride = width;
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break;
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default: break;
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}
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}
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return stride;
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}
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//-------------- IAllocController-----------------------//
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IAllocController* IAllocController::sController = NULL;
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IAllocController* IAllocController::getInstance(void)
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{
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if(sController == NULL) {
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sController = new IonController();
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}
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return sController;
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}
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//-------------- IonController-----------------------//
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IonController::IonController()
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{
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mIonAlloc = new IonAlloc();
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}
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int IonController::allocate(alloc_data& data, int usage)
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{
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int ionFlags = 0;
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int ret;
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data.uncached = useUncached(usage);
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data.allocType = 0;
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if(usage & GRALLOC_USAGE_PRIVATE_UI_CONTIG_HEAP)
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ionFlags |= ION_HEAP(ION_SF_HEAP_ID);
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if(usage & GRALLOC_USAGE_PRIVATE_SYSTEM_HEAP)
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ionFlags |= ION_HEAP(ION_SYSTEM_HEAP_ID);
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if(usage & GRALLOC_USAGE_PRIVATE_IOMMU_HEAP)
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ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID);
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//MM Heap is exclusively a secure heap.
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if(usage & GRALLOC_USAGE_PRIVATE_MM_HEAP) {
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//XXX: Right now the MM heap is the only secure heap we have. When we
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//have other secure heaps, we can change this.
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if(usage & GRALLOC_USAGE_PROTECTED) {
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ionFlags |= ION_HEAP(ION_CP_MM_HEAP_ID);
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ionFlags |= ION_SECURE;
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}
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else {
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ALOGW("GRALLOC_USAGE_PRIVATE_MM_HEAP \
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cannot be used as an insecure heap!\
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trying to use IOMMU instead !!");
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ionFlags |= ION_HEAP(ION_IOMMU_HEAP_ID);
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}
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}
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if(usage & GRALLOC_USAGE_PRIVATE_CAMERA_HEAP)
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ionFlags |= ION_HEAP(ION_CAMERA_HEAP_ID);
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if(usage & GRALLOC_USAGE_PROTECTED)
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data.allocType |= private_handle_t::PRIV_FLAGS_SECURE_BUFFER;
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// if no flags are set, default to
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// SF + IOMMU heaps, so that bypass can work
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// we can fall back to system heap if
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// we run out.
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if(!ionFlags)
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ionFlags = ION_HEAP(ION_SF_HEAP_ID) | ION_HEAP(ION_IOMMU_HEAP_ID);
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data.flags = ionFlags;
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ret = mIonAlloc->alloc_buffer(data);
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// Fallback
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if(ret < 0 && canFallback(usage,
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(ionFlags & ION_SYSTEM_HEAP_ID)))
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{
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ALOGW("Falling back to system heap");
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data.flags = ION_HEAP(ION_SYSTEM_HEAP_ID);
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ret = mIonAlloc->alloc_buffer(data);
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}
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if(ret >= 0 ) {
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data.allocType |= private_handle_t::PRIV_FLAGS_USES_ION;
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}
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return ret;
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}
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IMemAlloc* IonController::getAllocator(int flags)
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{
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IMemAlloc* memalloc = NULL;
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if (flags & private_handle_t::PRIV_FLAGS_USES_ION) {
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memalloc = mIonAlloc;
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} else {
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ALOGE("%s: Invalid flags passed: 0x%x", __FUNCTION__, flags);
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}
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return memalloc;
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}
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size_t getBufferSizeAndDimensions(int width, int height, int format,
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int& alignedw, int &alignedh)
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{
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size_t size;
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alignedw = AdrenoMemInfo::getInstance().getStride(width, format);
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alignedh = ALIGN(height, 32);
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switch (format) {
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case HAL_PIXEL_FORMAT_RGBA_8888:
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case HAL_PIXEL_FORMAT_RGBX_8888:
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case HAL_PIXEL_FORMAT_BGRA_8888:
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size = alignedw * alignedh * 4;
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break;
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case HAL_PIXEL_FORMAT_RGB_888:
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size = alignedw * alignedh * 3;
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break;
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case HAL_PIXEL_FORMAT_RGB_565:
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case HAL_PIXEL_FORMAT_RAW16:
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size = alignedw * alignedh * 2;
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break;
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// adreno formats
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case HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO: // NV21
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size = ALIGN(alignedw*alignedh, 4096);
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size += ALIGN(2 * ALIGN(width/2, 32) * ALIGN(height/2, 32), 4096);
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break;
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case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED: // NV12
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// The chroma plane is subsampled,
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// but the pitch in bytes is unchanged
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// The GPU needs 4K alignment, but the video decoder needs 8K
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alignedw = ALIGN(alignedw, 128);
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size = ALIGN( alignedw * alignedh, 8192);
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size += ALIGN( alignedw * ALIGN(height/2, 32), 8192);
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break;
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case HAL_PIXEL_FORMAT_NV12:
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alignedw = ALIGN(width, 16);
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alignedh = height;
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size = ALIGN( ALIGN(width, 128) * ALIGN(height, 32), 8192);
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size += ALIGN( ALIGN(width, 128) * ALIGN(height/2, 32), 8192);
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break;
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case HAL_PIXEL_FORMAT_NV12_ENCODEABLE:
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case HAL_PIXEL_FORMAT_YV12:
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if ((format == HAL_PIXEL_FORMAT_YV12) && ((width&1) || (height&1))) {
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ALOGE("w or h is odd for the YV12 format");
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return -EINVAL;
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}
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alignedh = height;
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if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == format) {
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// The encoder requires a 2K aligned chroma offset.
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size = ALIGN(alignedw*alignedh, 2048) +
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(ALIGN(alignedw/2, 16) * (alignedh/2))*2;
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} else {
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size = alignedw*alignedh +
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(ALIGN(alignedw/2, 16) * (alignedh/2))*2;
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}
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size = ALIGN(size, 4096);
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break;
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case HAL_PIXEL_FORMAT_YCbCr_420_SP:
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case HAL_PIXEL_FORMAT_YCrCb_420_SP:
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alignedh = height;
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size = ALIGN((alignedw*alignedh) + (alignedw* alignedh)/2, 4096);
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break;
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case HAL_PIXEL_FORMAT_YCbCr_422_SP:
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case HAL_PIXEL_FORMAT_YCrCb_422_SP:
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if(width & 1) {
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ALOGE("width is odd for the YUV422_SP format");
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return -EINVAL;
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}
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alignedh = height;
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size = ALIGN(alignedw * alignedh * 2, 4096);
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break;
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case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
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alignedh = VENUS_Y_SCANLINES(COLOR_FMT_NV12, height);
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size = VENUS_BUFFER_SIZE(COLOR_FMT_NV12, width, height);
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break;
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case HAL_PIXEL_FORMAT_BLOB:
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case HAL_PIXEL_FORMAT_RAW_OPAQUE:
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if(height != 1) {
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ALOGE("%s: Buffers with RAW_OPAQUE/BLOB formats \
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must have height==1 ", __FUNCTION__);
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return -EINVAL;
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}
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alignedh = height;
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alignedw = width;
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size = width;
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break;
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default:
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ALOGE("unrecognized pixel format: 0x%x", format);
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return -EINVAL;
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}
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return size;
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}
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// Allocate buffer from width, height and format into a
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// private_handle_t. It is the responsibility of the caller
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// to free the buffer using the free_buffer function
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int alloc_buffer(private_handle_t **pHnd, int w, int h, int format, int usage)
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{
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alloc_data data;
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int alignedw, alignedh;
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gralloc::IAllocController* sAlloc =
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gralloc::IAllocController::getInstance();
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data.base = 0;
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data.fd = -1;
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data.offset = 0;
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data.size = getBufferSizeAndDimensions(w, h, format, alignedw, alignedh);
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data.align = getpagesize();
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data.uncached = useUncached(usage);
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int allocFlags = usage;
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int err = sAlloc->allocate(data, allocFlags);
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if (0 != err) {
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ALOGE("%s: allocate failed", __FUNCTION__);
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return -ENOMEM;
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}
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private_handle_t* hnd = new private_handle_t(data.fd, data.size,
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data.allocType, 0, format,
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alignedw, alignedh);
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hnd->base = (int) data.base;
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hnd->offset = data.offset;
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hnd->gpuaddr = 0;
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*pHnd = hnd;
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return 0;
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}
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void free_buffer(private_handle_t *hnd)
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{
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gralloc::IAllocController* sAlloc =
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gralloc::IAllocController::getInstance();
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if (hnd && hnd->fd > 0) {
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IMemAlloc* memalloc = sAlloc->getAllocator(hnd->flags);
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memalloc->free_buffer((void*)hnd->base, hnd->size, hnd->offset, hnd->fd);
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}
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if(hnd)
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delete hnd;
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}
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