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/*
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sys_psvita.c - psvita backend
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Copyright (C) 2021-2023 fgsfds
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#include "platform/platform.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <ctype.h>
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#include <vitasdk.h>
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#include <vitaGL.h>
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#include <vrtld.h>
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#define DATA_PATH "data/xash3d"
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// 200MB libc heap, 512K main thread stack, 32MB for loading game DLLs, 8MB vertex pool
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// the rest goes to vitaGL
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SceUInt32 sceUserMainThreadStackSize = 512 * 1024;
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unsigned int _pthread_stack_default_user = 512 * 1024;
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unsigned int _newlib_heap_size_user = 200 * 1024 * 1024;
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#define VGL_MEM_THRESHOLD ( 32 * 1024 * 1024 )
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#define VGL_VERTEX_POOL_SIZE ( 8 * 1024 * 1024 )
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/* HACK: stubs for GL functions that are missing from vitaGL */
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static void glDrawBuffer( GLenum which )
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{
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/* nada */
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}
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/* end of GL stubs*/
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/* HACKHACK: force-export stuff required by the dynamic libs */
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extern void *__aeabi_idiv;
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extern void *__aeabi_uidiv;
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extern void *__aeabi_idivmod;
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extern void *__aeabi_uidivmod;
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extern void *__aeabi_d2ulz;
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extern void *__aeabi_ul2d;
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static const vrtld_export_t aux_exports[] =
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{
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VRTLD_EXPORT_SYMBOL( __aeabi_d2ulz ),
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VRTLD_EXPORT_SYMBOL( __aeabi_idiv ),
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VRTLD_EXPORT_SYMBOL( __aeabi_idivmod ),
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VRTLD_EXPORT_SYMBOL( __aeabi_uidivmod ),
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VRTLD_EXPORT_SYMBOL( __aeabi_uidiv ),
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VRTLD_EXPORT_SYMBOL( __aeabi_ul2d ),
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VRTLD_EXPORT_SYMBOL( ctime ),
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VRTLD_EXPORT_SYMBOL( vasprintf ),
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VRTLD_EXPORT_SYMBOL( vsprintf ),
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VRTLD_EXPORT_SYMBOL( vprintf ),
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VRTLD_EXPORT_SYMBOL( printf ),
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VRTLD_EXPORT_SYMBOL( putchar ),
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VRTLD_EXPORT_SYMBOL( puts ),
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VRTLD_EXPORT_SYMBOL( tolower ),
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VRTLD_EXPORT_SYMBOL( toupper ),
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VRTLD_EXPORT_SYMBOL( isalnum ),
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VRTLD_EXPORT_SYMBOL( isalpha ),
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VRTLD_EXPORT_SYMBOL( strchrnul ),
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VRTLD_EXPORT_SYMBOL( rand ),
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VRTLD_EXPORT_SYMBOL( srand ),
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VRTLD_EXPORT_SYMBOL( glDrawBuffer ),
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VRTLD_EXPORT( "dlopen", vrtld_dlopen ),
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VRTLD_EXPORT( "dlclose", vrtld_dlclose ),
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VRTLD_EXPORT( "dlsym", vrtld_dlsym ),
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};
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const vrtld_export_t *__vrtld_exports = aux_exports;
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const size_t __vrtld_num_exports = sizeof( aux_exports ) / sizeof( *aux_exports );
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/* end of export crap */
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void Platform_ShellExecute( const char *path, const char *parms )
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{
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Con_Reportf( S_WARN "Tried to shell execute ;%s; -- not supported\n", path );
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}
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void PSVita_Init( void )
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{
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char xashdir[1024] = { 0 };
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// cd to the base dir immediately for library loading to work
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if ( PSVita_GetBasePath( xashdir, sizeof( xashdir ) ) )
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{
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chdir( xashdir );
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}
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sceCtrlSetSamplingModeExt( SCE_CTRL_MODE_ANALOG_WIDE );
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sceTouchSetSamplingState( SCE_TOUCH_PORT_FRONT, SCE_TOUCH_SAMPLING_STATE_START );
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scePowerSetArmClockFrequency( 444 );
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scePowerSetBusClockFrequency( 222 );
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scePowerSetGpuClockFrequency( 222 );
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scePowerSetGpuXbarClockFrequency( 166 );
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sceSysmoduleLoadModule( SCE_SYSMODULE_NET );
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if ( vrtld_init( 0 ) < 0 )
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{
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Sys_Error( "Could not init vrtld: %s\n", vrtld_dlerror( ) );
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}
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// init vitaGL with some memory budget for immediate mode vertices
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// TODO: we don't need to do this for ref_soft
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vglUseVram( GL_TRUE );
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vglUseExtraMem( GL_TRUE );
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vglInitExtended( VGL_VERTEX_POOL_SIZE, 960, 544, VGL_MEM_THRESHOLD, 0 );
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}
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void PSVita_Shutdown( void )
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{
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vrtld_quit( );
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}
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qboolean PSVita_GetBasePath( char *buf, const size_t buflen )
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{
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// check if a xash3d folder exists on one of these drives
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// default to the last one (ux0)
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static const char *drives[] = { "uma0", "imc0", "ux0" };
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SceUID dir;
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size_t i;
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for ( i = 0; i < sizeof( drives ) / sizeof( *drives ); ++i )
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{
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Q_snprintf( buf, buflen, "%s:" DATA_PATH, drives[i] );
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dir = sceIoDopen( buf );
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if ( dir >= 0 )
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{
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sceIoDclose( dir );
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return true;
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}
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}
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return false;
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}
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