6493734d01
The mandate for the width and height to be even is only for the YV12 format. Add this check only for the YV12 format. Change-Id: I1e8d2de174ecf2e62cd33cc40dfd8e97d70a3a59
377 lines
12 KiB
C++
Executable File
377 lines
12 KiB
C++
Executable File
/*
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* Copyright (C) 2010 The Android Open Source Project
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* Copyright (c) 2011 Code Aurora Forum. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <limits.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <cutils/properties.h>
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#include <sys/mman.h>
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#include <genlock.h>
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#include "gr.h"
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#include "gpu.h"
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#include "memalloc.h"
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#include "alloc_controller.h"
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using namespace gralloc;
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using android::sp;
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gpu_context_t::gpu_context_t(const private_module_t* module,
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sp<IAllocController> alloc_ctrl ) :
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mAllocCtrl(alloc_ctrl)
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{
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// Zero out the alloc_device_t
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memset(static_cast<alloc_device_t*>(this), 0, sizeof(alloc_device_t));
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char property[PROPERTY_VALUE_MAX];
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if (property_get("debug.sf.hw", property, NULL) > 0) {
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if(atoi(property) == 0) {
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//debug.sf.hw = 0
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compositionType = CPU_COMPOSITION;
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} else { //debug.sf.hw = 1
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// Get the composition type
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property_get("debug.composition.type", property, NULL);
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if (property == NULL) {
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compositionType = GPU_COMPOSITION;
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} else if ((strncmp(property, "mdp", 3)) == 0) {
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compositionType = MDP_COMPOSITION;
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} else if ((strncmp(property, "c2d", 3)) == 0) {
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compositionType = C2D_COMPOSITION;
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} else {
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compositionType = GPU_COMPOSITION;
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}
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}
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} else { //debug.sf.hw is not set. Use cpu composition
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compositionType = CPU_COMPOSITION;
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}
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// Initialize the procs
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common.tag = HARDWARE_DEVICE_TAG;
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common.version = 0;
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common.module = const_cast<hw_module_t*>(&module->base.common);
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common.close = gralloc_close;
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alloc = gralloc_alloc;
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#if 0
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allocSize = gralloc_alloc_size;
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#endif
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free = gralloc_free;
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}
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int gpu_context_t::gralloc_alloc_framebuffer_locked(size_t size, int usage,
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buffer_handle_t* pHandle)
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{
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private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
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// we don't support allocations with both the FB and PMEM_ADSP flags
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if (usage & GRALLOC_USAGE_PRIVATE_ADSP_HEAP) {
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return -EINVAL;
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}
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if (m->framebuffer == NULL) {
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LOGE("%s: Invalid framebuffer", __FUNCTION__);
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return -EINVAL;
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}
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const uint32_t bufferMask = m->bufferMask;
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const uint32_t numBuffers = m->numBuffers;
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const size_t bufferSize = m->finfo.line_length * m->info.yres;
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if (numBuffers == 1) {
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// If we have only one buffer, we never use page-flipping. Instead,
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// we return a regular buffer which will be memcpy'ed to the main
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// screen when post is called.
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int newUsage = (usage & ~GRALLOC_USAGE_HW_FB) | GRALLOC_USAGE_HW_2D;
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return gralloc_alloc_buffer(bufferSize, newUsage, pHandle, BUFFER_TYPE_UI,
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m->fbFormat, m->info.xres, m->info.yres);
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}
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if (bufferMask >= ((1LU<<numBuffers)-1)) {
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// We ran out of buffers.
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return -ENOMEM;
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}
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// create a "fake" handles for it
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// Set the PMEM flag as well, since adreno
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// treats the FB memory as pmem
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intptr_t vaddr = intptr_t(m->framebuffer->base);
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private_handle_t* hnd = new private_handle_t(dup(m->framebuffer->fd), bufferSize,
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private_handle_t::PRIV_FLAGS_USES_PMEM |
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private_handle_t::PRIV_FLAGS_FRAMEBUFFER,
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BUFFER_TYPE_UI, m->fbFormat, m->info.xres,
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m->info.yres);
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// find a free slot
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for (uint32_t i=0 ; i<numBuffers ; i++) {
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if ((bufferMask & (1LU<<i)) == 0) {
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m->bufferMask |= (1LU<<i);
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break;
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}
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vaddr += bufferSize;
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}
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hnd->base = vaddr;
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hnd->offset = vaddr - intptr_t(m->framebuffer->base);
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*pHandle = hnd;
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return 0;
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}
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int gpu_context_t::gralloc_alloc_framebuffer(size_t size, int usage,
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buffer_handle_t* pHandle)
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{
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private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
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pthread_mutex_lock(&m->lock);
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int err = gralloc_alloc_framebuffer_locked(size, usage, pHandle);
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pthread_mutex_unlock(&m->lock);
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return err;
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}
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int gpu_context_t::gralloc_alloc_buffer(size_t size, int usage,
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buffer_handle_t* pHandle, int bufferType,
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int format, int width, int height)
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{
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int err = 0;
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int flags = 0;
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size = roundUpToPageSize(size);
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alloc_data data;
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data.offset = 0;
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data.fd = -1;
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data.base = 0;
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data.size = size;
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if(format == HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED)
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data.align = 8192;
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else
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data.align = getpagesize();
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data.pHandle = (unsigned int) pHandle;
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err = mAllocCtrl->allocate(data, usage, compositionType);
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if (err == 0) {
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flags |= data.allocType;
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private_handle_t* hnd = new private_handle_t(data.fd, size, flags,
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bufferType, format, width, height);
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hnd->offset = data.offset;
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hnd->base = int(data.base) + data.offset;
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*pHandle = hnd;
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}
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LOGE_IF(err, "gralloc failed err=%s", strerror(-err));
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return err;
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}
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static inline size_t ALIGN(size_t x, size_t align) {
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return (x + align-1) & ~(align-1);
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}
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void gpu_context_t::getGrallocInformationFromFormat(int inputFormat,
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int *colorFormat,
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int *bufferType)
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{
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*bufferType = BUFFER_TYPE_VIDEO;
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*colorFormat = inputFormat;
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if (inputFormat == HAL_PIXEL_FORMAT_YV12) {
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*bufferType = BUFFER_TYPE_VIDEO;
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} else if (inputFormat & S3D_FORMAT_MASK) {
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// S3D format
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*colorFormat = COLOR_FORMAT(inputFormat);
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} else if (inputFormat & INTERLACE_MASK) {
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// Interlaced
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*colorFormat = inputFormat ^ HAL_PIXEL_FORMAT_INTERLACE;
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} else if (inputFormat < 0x7) {
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// RGB formats
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*colorFormat = inputFormat;
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*bufferType = BUFFER_TYPE_UI;
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} else if ((inputFormat == HAL_PIXEL_FORMAT_R_8) ||
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(inputFormat == HAL_PIXEL_FORMAT_RG_88)) {
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*colorFormat = inputFormat;
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*bufferType = BUFFER_TYPE_UI;
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}
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}
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int gpu_context_t::alloc_impl(int w, int h, int format, int usage,
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buffer_handle_t* pHandle, int* pStride, size_t bufferSize) {
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if (!pHandle || !pStride)
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return -EINVAL;
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size_t size, alignedw, alignedh;
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alignedw = ALIGN(w, 32);
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alignedh = ALIGN(h, 32);
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int colorFormat, bufferType;
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getGrallocInformationFromFormat(format, &colorFormat, &bufferType);
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switch (colorFormat) {
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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_RGBA_5551:
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case HAL_PIXEL_FORMAT_RGBA_4444:
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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(w/2, 32) * ALIGN(h/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(w, 128);
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size = ALIGN( alignedw * alignedh, 8192);
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size += ALIGN( alignedw * ALIGN(h/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_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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if ((format == HAL_PIXEL_FORMAT_YV12) && ((w&1) || (h&1))) {
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LOGE("w or h is odd for the YV12 format");
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return -EINVAL;
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}
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alignedw = ALIGN(w, 16);
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alignedh = h;
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if (HAL_PIXEL_FORMAT_NV12_ENCODEABLE == colorFormat) {
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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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default:
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LOGE("unrecognized pixel format: %d", format);
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return -EINVAL;
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}
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if ((ssize_t)size <= 0)
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return -EINVAL;
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size = (bufferSize >= size)? bufferSize : size;
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// All buffers marked as protected or for external
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// display need to go to overlay
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if ((usage & GRALLOC_USAGE_EXTERNAL_DISP) ||
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(usage & GRALLOC_USAGE_PROTECTED)) {
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bufferType = BUFFER_TYPE_VIDEO;
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}
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int err;
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if (usage & GRALLOC_USAGE_HW_FB) {
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err = gralloc_alloc_framebuffer(size, usage, pHandle);
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} else {
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err = gralloc_alloc_buffer(size, usage, pHandle, bufferType,
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format, alignedw, alignedh);
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}
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if (err < 0) {
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return err;
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}
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// Create a genlock lock for this buffer handle.
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err = genlock_create_lock((native_handle_t*)(*pHandle));
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if (err) {
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LOGE("%s: genlock_create_lock failed", __FUNCTION__);
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free_impl(reinterpret_cast<private_handle_t*>(pHandle));
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return err;
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}
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*pStride = alignedw;
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return 0;
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}
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int gpu_context_t::free_impl(private_handle_t const* hnd) {
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private_module_t* m = reinterpret_cast<private_module_t*>(common.module);
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if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
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// free this buffer
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const size_t bufferSize = m->finfo.line_length * m->info.yres;
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int index = (hnd->base - m->framebuffer->base) / bufferSize;
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m->bufferMask &= ~(1<<index);
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} else {
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sp<IMemAlloc> memalloc = mAllocCtrl->getAllocator(hnd->flags);
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int err = memalloc->free_buffer((void*)hnd->base, (size_t) hnd->size,
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hnd->offset, hnd->fd);
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if(err)
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return err;
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terminateBuffer(&m->base, const_cast<private_handle_t*>(hnd));
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}
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// Release the genlock
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int err = genlock_release_lock((native_handle_t*)hnd);
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if (err) {
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LOGE("%s: genlock_release_lock failed", __FUNCTION__);
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}
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delete hnd;
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return 0;
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}
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int gpu_context_t::gralloc_alloc(alloc_device_t* dev, int w, int h, int format,
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int usage, buffer_handle_t* pHandle, int* pStride)
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{
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if (!dev) {
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return -EINVAL;
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}
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gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
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return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, 0);
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}
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int gpu_context_t::gralloc_alloc_size(alloc_device_t* dev, int w, int h, int format,
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int usage, buffer_handle_t* pHandle, int* pStride, int bufferSize)
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{
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if (!dev) {
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return -EINVAL;
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}
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gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
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return gpu->alloc_impl(w, h, format, usage, pHandle, pStride, bufferSize);
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}
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int gpu_context_t::gralloc_free(alloc_device_t* dev,
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buffer_handle_t handle)
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{
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if (private_handle_t::validate(handle) < 0)
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return -EINVAL;
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private_handle_t const* hnd = reinterpret_cast<private_handle_t const*>(handle);
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gpu_context_t* gpu = reinterpret_cast<gpu_context_t*>(dev);
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return gpu->free_impl(hnd);
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}
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/*****************************************************************************/
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int gpu_context_t::gralloc_close(struct hw_device_t *dev)
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{
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gpu_context_t* ctx = reinterpret_cast<gpu_context_t*>(dev);
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if (ctx) {
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/* TODO: keep a list of all buffer_handle_t created, and free them
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* all here.
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*/
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delete ctx;
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}
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return 0;
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}
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