mirrors/Atmosphere
1
0
Fork 0
mirror of https://github.com/Atmosphere-NX/Atmosphere.git synced 2025-06-02 15:49:48 -04:00
Code Issues Projects Releases Packages Wiki Activity

jpegdec reimplementation (#912)

Browse source 
* add jpegdec reimplementation

* reduce work memory

* fix color space

* jpegdec: cleanup results to use atmosphere style

* fix outdated comments, correct do/while bug

Co-authored-by: Michael Scire <SciresM@gmail.com>
This commit is contained in:
HookedBehemoth 2020-04-20 11:07:37 +02:00 • committed by GitHub
parent b39b6f0d5b
commit 90d754f920
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
12 changed files with 735 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

103
stratosphere/jpegdec/source/jpegdec_main.cpp Normal file
View file

@ -0,0 +1,103 @@
/*
* Copyright (c) 2018-2019 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 "jpegdec_decode_service.hpp"
extern "C" {
extern u32 __start__;
u32 __nx_applet_type = AppletType_None;
#define INNER_HEAP_SIZE 0x18000
size_t nx_inner_heap_size = INNER_HEAP_SIZE;
char nx_inner_heap[INNER_HEAP_SIZE];
void __libnx_initheap(void);
void __appInit(void);
void __appExit(void);
/* Exception handling. */
alignas(16) u8 __nx_exception_stack[ams::os::MemoryPageSize];
u64 __nx_exception_stack_size = sizeof(__nx_exception_stack);
void __libnx_exception_handler(ThreadExceptionDump *ctx);
}
namespace ams {
ncm::ProgramId CurrentProgramId = ncm::SystemProgramId::JpegDec;
namespace result {
bool CallFatalOnResultAssertion = true;
}
}
using namespace ams;
void __libnx_exception_handler(ThreadExceptionDump *ctx) {
ams::CrashHandler(ctx);
}
void __libnx_initheap(void) {
void* addr = nx_inner_heap;
size_t size = nx_inner_heap_size;
/* Newlib */
extern char* fake_heap_start;
extern char* fake_heap_end;
fake_heap_start = (char*)addr;
fake_heap_end = (char*)addr + size;
}
void __appInit(void) {
hos::InitializeForStratosphere();
ams::CheckApiVersion();
}
void __appExit(void) {
/* ... */
}
namespace {
constexpr size_t NumServers = 1;
sf::hipc::ServerManager<NumServers> g_server_manager;
/* NOTE: Official code only allows for one session. */
constexpr sm::ServiceName DecodeServiceName = sm::ServiceName::Encode("caps:dc");
constexpr size_t DecodeMaxSessions = 2;
}
int main(int argc, char **argv)
{
/* Set thread name. */
os::SetThreadNamePointer(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_NAME(jpegdec, Main));
/* Official jpegdec changes its thread priority to 21 in main. */
/* This is because older versions of the sysmodule had priority 20 in npdm. */
os::ChangeThreadPriority(os::GetCurrentThread(), AMS_GET_SYSTEM_THREAD_PRIORITY(jpegdec, Main));
AMS_ASSERT(os::GetThreadPriority(os::GetCurrentThread()) == AMS_GET_SYSTEM_THREAD_PRIORITY(jpegdec, Main));
/* Create service. */
R_ASSERT(g_server_manager.RegisterServer<jpegdec::DecodeService>(DecodeServiceName, DecodeMaxSessions));
/* Loop forever, servicing our services. */
g_server_manager.LoopProcess();
/* Cleanup */
return 0;
}