jkxr/Projects/Android/jni/OpenJK/code/android/android_glimp.cpp
2022-09-18 19:43:59 +01:00

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/*
===========================================================================
Return to Castle Wolfenstein single player GPL Source Code
Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company.
This file is part of the Return to Castle Wolfenstein single player GPL Source Code (“RTCW SP Source Code”).
RTCW SP Source Code is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
RTCW SP Source Code is distributed in the hope that 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 RTCW SP Source Code. If not, see <http://www.gnu.org/licenses/>.
In addition, the RTCW SP Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the RTCW SP Source Code. If not, please request a copy in writing from id Software at the address below.
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
===========================================================================
*/
/*
** GLW_IMP.C
**
** This file contains ALL Linux specific stuff having to do with the
** OpenGL refresh. When a port is being made the following functions
** must be implemented by the port:
**
** GLimp_EndFrame
** GLimp_Init
** GLimp_Shutdown
** GLimp_SwitchFullscreen
** GLimp_SetGamma
**
*/
#include <termios.h>
#include <sys/ioctl.h>
#ifdef __linux__
#include <sys/stat.h>
#include <sys/vt.h>
#endif
#include <stdarg.h>
#include <stdio.h>
#include <signal.h>
#include <pthread.h>
#include <semaphore.h>
// bk001204
#include <dlfcn.h>
// bk001206 - from my Heretic2 by way of Ryan's Fakk2
// Needed for the new X11_PendingInput() function.
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "../renderer/tr_local.h"
#include "../client/client.h"
#include "android_local.h" // bk001130
#include "EGL/egl.h"
#define WINDOW_CLASS_NAME "Return to Castle Wolfenstein"
typedef enum
{
RSERR_OK,
RSERR_INVALID_FULLSCREEN,
RSERR_INVALID_MODE,
RSERR_UNKNOWN
} rserr_t;
void myglMultiTexCoord2f( GLenum texture, GLfloat s, GLfloat t )
{
glMultiTexCoord4f(texture, s, t, 0, 1);
}
static cvar_t *in_mouse;
static cvar_t *in_dgamouse;
// bk001130 - from cvs1.17 (mkv), but not static
cvar_t *in_joystick = NULL;
cvar_t *in_joystickDebug = NULL;
cvar_t *joy_threshold = NULL;
cvar_t *r_allowSoftwareGL; // don't abort out if the pixelformat claims software
cvar_t *r_previousglDriver;
//static int default_dotclock_vidmode; // bk001204 - unused
static int num_vidmodes;
static qboolean vidmode_active = qfalse;
/*
* Find the first occurrence of find in s.
*/
// bk001130 - from cvs1.17 (mkv), const
// bk001130 - made first argument const
static const char *Q_stristr( const char *s, const char *find ) {
register char c, sc;
register size_t len;
if ( ( c = *find++ ) != 0 ) {
if ( c >= 'a' && c <= 'z' ) {
c -= ( 'a' - 'A' );
}
len = strlen( find );
do
{
do
{
if ( ( sc = *s++ ) == 0 ) {
return NULL;
}
if ( sc >= 'a' && sc <= 'z' ) {
sc -= ( 'a' - 'A' );
}
} while ( sc != c );
} while ( Q_stricmpn( s, find, len ) != 0 );
s--;
}
return s;
}
void IN_ActivateMouse( void ) {
}
void IN_DeactivateMouse( void ) {
}
/*****************************************************************************/
static qboolean signalcaught = qfalse;;
void Sys_Exit( int ); // bk010104 - abstraction
static void signal_handler( int sig ) { // bk010104 - replace this... (NOTE TTimo huh?)
if ( signalcaught ) {
printf( "DOUBLE SIGNAL FAULT: Received signal %d, exiting...\n", sig );
Sys_Exit( 1 ); // bk010104 - abstraction
}
signalcaught = qtrue;
printf( "Received signal %d, exiting...\n", sig );
GLimp_Shutdown(); // bk010104 - shouldn't this be CL_Shutdown
Sys_Exit( 0 ); // bk010104 - abstraction NOTE TTimo send a 0 to avoid DOUBLE SIGNAL FAULT
}
static void InitSig( void ) {
return;
signal( SIGHUP, signal_handler );
signal( SIGQUIT, signal_handler );
signal( SIGILL, signal_handler );
signal( SIGTRAP, signal_handler );
signal( SIGIOT, signal_handler );
signal( SIGBUS, signal_handler );
signal( SIGFPE, signal_handler );
signal( SIGSEGV, signal_handler );
signal( SIGTERM, signal_handler );
}
/*
** GLimp_SetGamma
**
** This routine should only be called if glConfig.deviceSupportsGamma is TRUE
*/
void GLimp_SetGamma( unsigned char red[256], unsigned char green[256], unsigned char blue[256] ) {
}
/*
** GLimp_Shutdown
**
** This routine does all OS specific shutdown procedures for the OpenGL
** subsystem. Under OpenGL this means NULLing out the current DC and
** HGLRC, deleting the rendering context, and releasing the DC acquired
** for the window. The state structure is also nulled out.
**
*/
void GLimp_Shutdown( void ) {
memset( &glConfig, 0, sizeof( glConfig ) );
memset( &glState, 0, sizeof( glState ) );
QGL_Shutdown();
}
/*
** GLimp_LogComment
*/
void GLimp_LogComment( char *comment ) {
}
/*
** GLW_StartDriverAndSetMode
*/
// bk001204 - prototype needed
int GLW_SetMode( const char *drivername, int mode, qboolean fullscreen );
static qboolean GLW_StartDriverAndSetMode( const char *drivername,
int mode,
qboolean fullscreen ) {
rserr_t err;
// don't ever bother going into fullscreen with a voodoo card
#if 1 // JDC: I reenabled this
if ( Q_stristr( drivername, "Voodoo" ) ) {
ri.Cvar_Set( "r_fullscreen", "0" );
r_fullscreen->modified = qfalse;
fullscreen = qfalse;
}
#endif
err = GLW_SetMode( drivername, mode, fullscreen );
switch ( err )
{
case RSERR_INVALID_FULLSCREEN:
ri.Printf( PRINT_ALL, "...WARNING: fullscreen unavailable in this mode\n" );
return qfalse;
case RSERR_INVALID_MODE:
ri.Printf( PRINT_ALL, "...WARNING: could not set the given mode (%d)\n", mode );
return qfalse;
default:
break;
}
return qtrue;
}
void VR_GetScreenRes(int *width, int *height);
/*
** GLW_InitExtensions
*/
static void GLW_InitExtensions( void ) {
if ( !r_allowExtensions->integer ) {
ri.Printf( PRINT_ALL, "*** IGNORING OPENGL EXTENSIONS ***\n" );
return;
}
ri.Printf( PRINT_ALL, "Initializing OpenGL extensions\n" );
#ifndef HAVE_GLES
// GL_S3_s3tc
if ( Q_stristr( glConfig.extensions_string, "GL_S3_s3tc" ) ) {
if ( r_ext_compressed_textures->value ) {
glConfig.textureCompression = TC_S3TC;
ri.Printf( PRINT_ALL, "...using GL_S3_s3tc\n" );
} else
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...ignoring GL_S3_s3tc\n" );
}
} else
#endif
{
glConfig.textureCompression = TC_NONE;
ri.Printf( PRINT_ALL, "...GL_S3_s3tc not found\n" );
}
// GL_EXT_texture_env_add
#ifdef HAVE_GLES
glConfig.textureEnvAddAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
#else
glConfig.textureEnvAddAvailable = qfalse;
if ( Q_stristr( glConfig.extensions_string, "EXT_texture_env_add" ) ) {
if ( r_ext_texture_env_add->integer ) {
glConfig.textureEnvAddAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_EXT_texture_env_add\n" );
} else
{
glConfig.textureEnvAddAvailable = qfalse;
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_texture_env_add\n" );
}
} else
{
ri.Printf( PRINT_ALL, "...GL_EXT_texture_env_add not found\n" );
}
#endif
// GL_ARB_multitexture
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
#ifdef HAVE_GLES
qglGetIntegerv( GL_MAX_TEXTURE_UNITS, &glConfig.maxActiveTextures );
//ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, %i texture units\n", glConfig.maxActiveTextures );
//glConfig.maxActiveTextures=4;
qglMultiTexCoord2fARB = myglMultiTexCoord2f;
qglActiveTextureARB = glActiveTexture;
qglClientActiveTextureARB = glClientActiveTexture;
if ( glConfig.maxActiveTextures > 1 )
{
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture (%i texture units)\n", glConfig.maxActiveTextures );
}
else
{
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
}
#else
if ( Q_stristr( glConfig.extensions_string, "GL_ARB_multitexture" ) ) {
if ( r_ext_multitexture->value ) {
qglMultiTexCoord2fARB = ( PFNGLMULTITEXCOORD2FARBPROC ) dlsym( glw_state.OpenGLLib, "glMultiTexCoord2fARB" );
qglActiveTextureARB = ( PFNGLACTIVETEXTUREARBPROC ) dlsym( glw_state.OpenGLLib, "glActiveTextureARB" );
qglClientActiveTextureARB = ( PFNGLCLIENTACTIVETEXTUREARBPROC ) dlsym( glw_state.OpenGLLib, "glClientActiveTextureARB" );
if ( qglActiveTextureARB ) {
qglGetIntegerv( GL_MAX_ACTIVE_TEXTURES_ARB, &glConfig.maxActiveTextures );
if ( glConfig.maxActiveTextures > 1 ) {
ri.Printf( PRINT_ALL, "...using GL_ARB_multitexture\n" );
} else
{
qglMultiTexCoord2fARB = NULL;
qglActiveTextureARB = NULL;
qglClientActiveTextureARB = NULL;
ri.Printf( PRINT_ALL, "...not using GL_ARB_multitexture, < 2 texture units\n" );
}
}
} else
{
ri.Printf( PRINT_ALL, "...ignoring GL_ARB_multitexture\n" );
}
} else
{
ri.Printf( PRINT_ALL, "...GL_ARB_multitexture not found\n" );
}
#endif
// GL_EXT_compiled_vertex_array
#ifndef HAVE_GLES
if ( Q_stristr( glConfig.extensions_string, "GL_EXT_compiled_vertex_array" ) ) {
if ( r_ext_compiled_vertex_array->value ) {
ri.Printf( PRINT_ALL, "...using GL_EXT_compiled_vertex_array\n" );
qglLockArraysEXT = ( void ( APIENTRY * )( int, int ) )dlsym( glw_state.OpenGLLib, "glLockArraysEXT" );
qglUnlockArraysEXT = ( void ( APIENTRY * )( void ) )dlsym( glw_state.OpenGLLib, "glUnlockArraysEXT" );
if ( !qglLockArraysEXT || !qglUnlockArraysEXT ) {
ri.Error( ERR_FATAL, "bad getprocaddress" );
}
} else
{
ri.Printf( PRINT_ALL, "...ignoring GL_EXT_compiled_vertex_array\n" );
}
} else
#endif
{
ri.Printf( PRINT_ALL, "...GL_EXT_compiled_vertex_array not found\n" );
}
// GL_NV_fog_distance
#ifndef HAVE_GLES
if ( Q_stristr( glConfig.extensions_string, "GL_NV_fog_distance" ) ) {
if ( r_ext_NV_fog_dist->integer ) {
glConfig.NVFogAvailable = qtrue;
ri.Printf( PRINT_ALL, "...using GL_NV_fog_distance\n" );
} else {
ri.Printf( PRINT_ALL, "...ignoring GL_NV_fog_distance\n" );
ri.Cvar_Set( "r_ext_NV_fog_dist", "0" );
}
} else
#endif
{
ri.Printf( PRINT_ALL, "...GL_NV_fog_distance not found\n" );
ri.Cvar_Set( "r_ext_NV_fog_dist", "0" );
}
}
static void GLW_InitGamma() {
glConfig.deviceSupportsGamma = qfalse;
}
/*
** GLW_LoadOpenGL
**
** GLimp_win.c internal function that that attempts to load and use
** a specific OpenGL DLL.
*/
static qboolean GLW_LoadOpenGL( const char *name ) {
qboolean fullscreen;
ri.Printf( PRINT_ALL, "...loading %s: ", name );
#ifndef HAVE_GLES
// disable the 3Dfx splash screen and set gamma
// we do this all the time, but it shouldn't hurt anything
// on non-3Dfx stuff
putenv( "FX_GLIDE_NO_SPLASH=0" );
// Mesa VooDoo hacks
putenv( "MESA_GLX_FX=fullscreen\n" );
#endif
// load the QGL layer
if ( QGL_Init( name ) ) {
#ifdef PANDORA
fullscreen = 1;
#else
fullscreen = r_fullscreen->integer;
#endif
// create the window and set up the context
if ( !GLW_StartDriverAndSetMode( name, r_mode->integer, fullscreen ) ) {
if ( r_mode->integer != 3 ) {
if ( !GLW_StartDriverAndSetMode( name, 3, fullscreen ) ) {
goto fail;
}
} else {
goto fail;
}
}
return qtrue;
} else
{
ri.Printf( PRINT_ALL, "failed\n" );
}
fail:
QGL_Shutdown();
return qfalse;
}
/*
** GLimp_Init
**
** This routine is responsible for initializing the OS specific portions
** of OpenGL.
*/
void GLimp_Init( void ) {
qboolean attemptedlibGL = qfalse;
qboolean attempted3Dfx = qfalse;
qboolean success = qfalse;
char buf[1024];
cvar_t *lastValidRenderer = ri.Cvar_Get( "r_lastValidRenderer", "(uninitialized)", CVAR_ARCHIVE );
// cvar_t *cv; // bk001204 - unused
r_allowSoftwareGL = ri.Cvar_Get( "r_allowSoftwareGL", "0", CVAR_LATCH );
r_previousglDriver = ri.Cvar_Get( "r_previousglDriver", "", CVAR_ROM );
InitSig();
// Hack here so that if the UI
if ( *r_previousglDriver->string ) {
// The UI changed it on us, hack it back
// This means the renderer can't be changed on the fly
ri.Cvar_Set( "r_glDriver", r_previousglDriver->string );
}
int android_screen_width;
int android_screen_height;
VR_GetScreenRes(&android_screen_width, &android_screen_height);
glConfig.vidWidth = android_screen_width;
glConfig.vidHeight = android_screen_height;
glConfig.colorBits = 32;
glConfig.depthBits = 16;
glConfig.stencilBits = 8;
// Save it in case the UI stomps it
ri.Cvar_Set( "r_previousglDriver", r_glDriver->string );
// This values force the UI to disable driver selection
glConfig.driverType = GLDRV_ICD;
glConfig.hardwareType = GLHW_GENERIC;
// get our config strings
Q_strncpyz( glConfig.vendor_string, qglGetString( GL_VENDOR ), sizeof( glConfig.vendor_string ) );
Q_strncpyz( glConfig.renderer_string, qglGetString( GL_RENDERER ), sizeof( glConfig.renderer_string ) );
if ( *glConfig.renderer_string && glConfig.renderer_string[strlen( glConfig.renderer_string ) - 1] == '\n' ) {
glConfig.renderer_string[strlen( glConfig.renderer_string ) - 1] = 0;
}
Q_strncpyz( glConfig.version_string, qglGetString( GL_VERSION ), sizeof( glConfig.version_string ) );
Q_strncpyz( glConfig.extensions_string, qglGetString( GL_EXTENSIONS ), sizeof( glConfig.extensions_string ) );
//
// chipset specific configuration
//
strcpy( buf, glConfig.renderer_string );
strlwr( buf );
//
// NOTE: if changing cvars, do it within this block. This allows them
// to be overridden when testing driver fixes, etc. but only sets
// them to their default state when the hardware is first installed/run.
//
/*if ( Q_stricmp( lastValidRenderer->string, glConfig.renderer_string ) ) {
glConfig.hardwareType = GLHW_GENERIC;
ri.Cvar_Set( "r_textureMode", "GL_LINEAR_MIPMAP_LINEAR" );
// VOODOO GRAPHICS w/ 2MB
if ( Q_stristr( buf, "voodoo graphics/1 tmu/2 mb" ) ) {
ri.Cvar_Set( "r_picmip", "2" );
ri.Cvar_Get( "r_picmip", "1", CVAR_ARCHIVE | CVAR_LATCH );
} else
{
ri.Cvar_Set( "r_picmip", "1" );
if ( Q_stristr( buf, "rage 128" ) || Q_stristr( buf, "rage128" ) ) {
ri.Cvar_Set( "r_finish", "0" );
}
// Savage3D and Savage4 should always have trilinear enabled
else if ( Q_stristr( buf, "savage3d" ) || Q_stristr( buf, "s3 savage4" ) ) {
ri.Cvar_Set( "r_texturemode", "GL_LINEAR_MIPMAP_LINEAR" );
}
}
}*/
//
// this is where hardware specific workarounds that should be
// detected/initialized every startup should go.
//
if ( Q_stristr( buf, "banshee" ) || Q_stristr( buf, "Voodoo_Graphics" ) ) {
glConfig.hardwareType = GLHW_3DFX_2D3D;
} else if ( Q_stristr( buf, "rage pro" ) || Q_stristr( buf, "RagePro" ) ) {
glConfig.hardwareType = GLHW_RAGEPRO;
} else if ( Q_stristr( buf, "permedia2" ) ) {
glConfig.hardwareType = GLHW_PERMEDIA2;
} else if ( Q_stristr( buf, "riva 128" ) ) {
glConfig.hardwareType = GLHW_RIVA128;
} else if ( Q_stristr( buf, "riva tnt " ) ) {
}
ri.Cvar_Set( "r_lastValidRenderer", glConfig.renderer_string );
//TEST!!!
//ri.Cvar_Set( "r_picmip", "0" );
//ri.Cvar_Set( "r_texturemode", "GL_LINEAR_MIPMAP_LINEAR" );
//!!!!
// initialize extensions
GLW_InitExtensions();
GLW_InitGamma();
InitSig();
return;
}
void RTCWVR_submitFrame();
//int androidSwapped = 1; //If loading, then draw frame does not return, so detect this
/*
** GLimp_EndFrame
**
** Responsible for doing a swapbuffers and possibly for other stuff
** as yet to be determined. Probably better not to make this a GLimp
** function and instead do a call to GLimp_SwapBuffers.
*/
void GLimp_EndFrame( void ) {
// check logging
//QGL_EnableLogging( (qboolean)r_logFile->integer ); // bk001205 - was ->value
// if (!androidSwapped)
// eglSwapBuffers( eglGetCurrentDisplay(), eglGetCurrentSurface( EGL_DRAW ) );
//androidSwapped = 0;
RTCWVR_submitFrame();
}
#ifdef SMP
/*
===========================================================
SMP acceleration
===========================================================
*/
sem_t renderCommandsEvent;
sem_t renderCompletedEvent;
sem_t renderActiveEvent;
void ( *glimpRenderThread )( void );
void *GLimp_RenderThreadWrapper( void *stub ) {
glimpRenderThread();
return NULL;
}
/*
=======================
GLimp_SpawnRenderThread
=======================
*/
pthread_t renderThreadHandle;
qboolean GLimp_SpawnRenderThread( void ( *function )( void ) ) {
sem_init( &renderCommandsEvent, 0, 0 );
sem_init( &renderCompletedEvent, 0, 0 );
sem_init( &renderActiveEvent, 0, 0 );
glimpRenderThread = function;
if ( pthread_create( &renderThreadHandle, NULL,
GLimp_RenderThreadWrapper, NULL ) ) {
return qfalse;
}
return qtrue;
}
static void *smpData;
//static int glXErrors; // bk001204 - unused
void *GLimp_RendererSleep( void ) {
void *data;
// after this, the front end can exit GLimp_FrontEndSleep
sem_post( &renderCompletedEvent );
sem_wait( &renderCommandsEvent );
data = smpData;
// after this, the main thread can exit GLimp_WakeRenderer
sem_post( &renderActiveEvent );
return data;
}
void GLimp_FrontEndSleep( void ) {
sem_wait( &renderCompletedEvent );
}
void GLimp_WakeRenderer( void *data ) {
smpData = data;
// after this, the renderer can continue through GLimp_RendererSleep
sem_post( &renderCommandsEvent );
sem_wait( &renderActiveEvent );
}
#else
void GLimp_RenderThreadWrapper( void *stub ) {}
qboolean GLimp_SpawnRenderThread( void ( *function )( void ) ) {
return qfalse;
}
void *GLimp_RendererSleep( void ) {
return NULL;
}
void GLimp_FrontEndSleep( void ) {}
void GLimp_WakeRenderer( void *data ) {}
#endif
/*****************************************************************************/
/* MOUSE */
/*****************************************************************************/
void IN_Init( void ) {
// mouse variables
in_mouse = Cvar_Get( "in_mouse", "1", CVAR_ARCHIVE );
in_dgamouse = Cvar_Get( "in_dgamouse", "1", CVAR_ARCHIVE );
}
void IN_Shutdown( void ) {
}
/*
void IN_Frame( void ) {
if ( cls.keyCatchers & KEYCATCH_CONSOLE ) {
// temporarily deactivate if not in the game and
// running on the desktop
// voodoo always counts as full screen
if ( Cvar_VariableValue( "r_fullscreen" ) == 0
&& strcmp( Cvar_VariableString( "r_glDriver" ), _3DFX_DRIVER_NAME ) ) {
IN_DeactivateMouse();
return;
}
}
IN_ActivateMouse();
}
*/
void IN_Activate( void ) {
}
// bk001130 - cvs1.17 joystick code (mkv) was here, no linux_joystick.c
void Sys_SendKeyEvents( void ) {
// XEvent event; // bk001204 - unused
//HandleEvents();
}
// bk010216 - added stubs for non-Linux UNIXes here
// FIXME - use NO_JOYSTICK or something else generic
#if defined( __FreeBSD__ ) // rb010123
void IN_StartupJoystick( void ) {}
void IN_JoyMove( void ) {}
#endif