asdk-repo-libdce

/*

 * Copyright (c) 2013, Texas Instruments Incorporated

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * *  Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 *

 * *  Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * *  Neither the name of Texas Instruments Incorporated nor the names of

 *    its contributors may be used to endorse or promote products derived

 *    from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,

 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

​

#include "memplugin.h"

#include "dce_priv.h"

​

​

/* For TILER 2D Buffers : sz       = width                              */

/*                                : height = nonzero                           */

/* For other memory_types : height = 0                               */

void *memplugin_alloc(int sz, int height, MemRegion region, int align, int flags)

{

    MemHeader          *h;

    shm_buf            *handle;

    MemAllocBlock       block;

    int                 num_block;

    mem_error_status    eError = MEM_EOK;

​

    _ASSERT(sz != 0, MEM_EINVALID_INPUT);

    _ASSERT((region < MEM_MAX) && (region >= MEM_TILER_1D), MEM_EINVALID_INPUT);

​

    /* Tiler buffer Allocations : Only Tiler 1D used for Parameter Buffers and RPC Message buffers */

    if( region == MEM_TILER_1D || region == MEM_TILER8_2D || region == MEM_TILER16_2D ) {

        num_block = 1;

​

        if( region == MEM_TILER_1D ) {

            /* Allocate in tiler paged mode (1d) container */

            block.pixelFormat = PIXEL_FMT_PAGE;

            block.dim.len = sz + sizeof(MemHeader);

#if 0 /* Data Tiler Buffers not to be allocated by DCE */

        } else if( region == MEM_TILER8_2D ) {

            /* Allocate in tiler 8 bit mode (2d) container */

            _ASSERT(height != 1, MEM_EINVALID_INPUT);

            block.pixelFormat = PIXEL_FMT_8BIT;