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Atmosphere/stratosphere/jpegdec/source/jpegdec_memory_management.cpp
2021-10-07 17:44:54 -07:00

55 lines
1.9 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "jpegdec_memory_management.hpp"
namespace ams::jpegdec {
namespace {
/* TODO: Update libjpeg-turbo to include Nintendo's changes (support for work buffer, rather than malloc) */
constexpr size_t JpegHeapSize = 96_KB;
alignas(0x10) constinit u8 g_jpeg_heap_memory[JpegHeapSize];
constinit lmem::HeapHandle g_jpeg_heap_handle;
}
void InitializeJpegHeap() {
g_jpeg_heap_handle = lmem::CreateExpHeap(g_jpeg_heap_memory, sizeof(g_jpeg_heap_memory), lmem::CreateOption_None);
}
}
extern "C" void *__wrap_jpeg_get_small(void *cinfo, size_t size) {
AMS_UNUSED(cinfo);
return ::ams::lmem::AllocateFromExpHeap(::ams::jpegdec::g_jpeg_heap_handle, size);
}
extern "C" void __wrap_jpeg_free_small(void *cinfo, void *ptr, size_t size) {
AMS_UNUSED(cinfo, size);
return ::ams::lmem::FreeToExpHeap(::ams::jpegdec::g_jpeg_heap_handle, ptr);
}
extern "C" void *__wrap_jpeg_get_large(void *cinfo, size_t size) {
AMS_UNUSED(cinfo);
return ::ams::lmem::AllocateFromExpHeap(::ams::jpegdec::g_jpeg_heap_handle, size);
}
extern "C" void __wrap_jpeg_free_large(void *cinfo, void *ptr, size_t size) {
AMS_UNUSED(cinfo, size);
return ::ams::lmem::FreeToExpHeap(::ams::jpegdec::g_jpeg_heap_handle, ptr);
}