Xash3D FWGS engine.
 
 
 
 

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#include "platform/platform.h"
#include "input.h"
#include "client.h"
#include "filesystem.h"
#include "platform/android/android_priv.h"
#include "vid_common.h"
#include <android/native_window.h>
#include <android/native_window_jni.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
static struct vid_android_s
{
int gl_attribs[REF_GL_ATTRIBUTES_COUNT];
qboolean gl_attribs_set[REF_GL_ATTRIBUTES_COUNT];
EGLint gl_api;
qboolean gles1;
void *libgles1, *libgles2;
qboolean has_context;
ANativeWindow* window;
} vid_android;
static struct nw_s
{
void (*release)(ANativeWindow* window);
int32_t (*getWidth)(ANativeWindow* window);
int32_t (*getHeight)(ANativeWindow* window);
int32_t (*getFormat)(ANativeWindow* window);
int32_t (*setBuffersGeometry)(ANativeWindow* window, int32_t width, int32_t height, int32_t format);
int32_t (*lock)(ANativeWindow* window, ANativeWindow_Buffer* outBuffer, ARect* inOutDirtyBounds);
int32_t (*unlockAndPost)(ANativeWindow* window);
ANativeWindow* (*fromSurface)(JNIEnv* env, jobject surface);
} nw;
#define NW_FF(x) {"ANativeWindow_"#x, (void*)&nw.x}
static dllfunc_t android_funcs[] =
{
NW_FF(release),
NW_FF(getWidth),
NW_FF(getHeight),
NW_FF(getFormat),
NW_FF(setBuffersGeometry),
NW_FF(lock),
NW_FF(unlockAndPost),
NW_FF(fromSurface),
{ NULL, NULL }
};
#undef NW_FF
dll_info_t android_info = { "libandroid.so", android_funcs, false };
static struct egl_s
{
EGLSurface (*GetCurrentSurface)(EGLint readdraw);
EGLDisplay (*GetCurrentDisplay)(void);
EGLint (*GetError)(void);
EGLBoolean (*SwapBuffers)(EGLDisplay dpy, EGLSurface surface);
EGLBoolean (*SwapInterval)(EGLDisplay dpy, EGLint interval);
void *(*GetProcAddress)(const char *procname);
} egl;
#undef GetProcAddress
#define EGL_FF(x) {"egl"#x, (void*)&egl.x}
static dllfunc_t egl_funcs[] =
{
EGL_FF(SwapInterval),
EGL_FF(SwapBuffers),
EGL_FF(GetError),
EGL_FF(GetCurrentDisplay),
EGL_FF(GetCurrentSurface),
EGL_FF(GetProcAddress),
{ NULL, NULL }
};
#undef EGL_FF
dll_info_t egl_info = { "libEGL.so", egl_funcs, false };
static struct nativeegl_s
{
qboolean valid;
void *window;
EGLDisplay dpy;
EGLSurface surface;
EGLContext context;
EGLConfig cfg;
EGLint numCfg;
const char *extensions;
} negl;
/*
========================
Android_SwapInterval
========================
*/
static void Android_SwapInterval( int interval )
{
if( negl.valid )
egl.SwapInterval( negl.dpy, interval );
}
/*
========================
Android_SetTitle
========================
*/
static void Android_SetTitle( const char *title )
{
(*jni.env)->CallStaticVoidMethod( jni.env, jni.actcls, jni.setTitle, (*jni.env)->NewStringUTF( jni.env, title ) );
}
/*
========================
Android_SetIcon
========================
*/
static void Android_SetIcon( const char *path )
{
(*jni.env)->CallStaticVoidMethod( jni.env, jni.actcls, jni.setIcon, (*jni.env)->NewStringUTF( jni.env, path ) );
}
/*
========================
Android_GetScreenRes
Resolution got from last resize event
========================
*/
static void Android_GetScreenRes( int *width, int *height )
{
*width=jni.width, *height=jni.height;
}
/*
========================
Android_SwapBuffers
Update screen. Use native EGL if possible
========================
*/
void GL_SwapBuffers( void )
{
if( negl.valid )
{
egl.SwapBuffers( negl.dpy, negl.surface );
}
else
{
(*jni.env)->CallStaticVoidMethod( jni.env, jni.actcls, jni.swapBuffers );
}
}
/*
========================
Android_UpdateSurface
Check if we may use native EGL without jni calls
========================
*/
void Android_UpdateSurface( qboolean active )
{
negl.valid = false;
if( nw.release )
{
if( vid_android.window && !active )
{
nw.release( vid_android.window );
vid_android.window = NULL;
}
if( active )
{
jobject surf;
if( vid_android.window )
nw.release( vid_android.window );
surf = (*jni.env)->CallStaticObjectMethod(jni.env, jni.actcls, jni.getSurface);
Con_Printf("s %p\n", surf);
vid_android.window = nw.fromSurface(jni.env, surf);
Con_Printf("w %p\n", vid_android.window);
nw.setBuffersGeometry(vid_android.window, 0, 0, WINDOW_FORMAT_RGB_565 );
(*jni.env)->DeleteLocalRef( jni.env, surf );
}
return;
}
if( !vid_android.has_context )
return;
if( ( active && host.status == HOST_FRAME ) || !active )
(*jni.env)->CallStaticVoidMethod( jni.env, jni.actcls, jni.toggleEGL, 0 );
if( active )
(*jni.env)->CallStaticVoidMethod( jni.env, jni.actcls, jni.toggleEGL, 1 );
if( !Sys_CheckParm("-nativeegl") || !active )
return; // enabled by user
if( !egl.GetCurrentDisplay )
return;
negl.dpy = egl.GetCurrentDisplay();
if( negl.dpy == EGL_NO_DISPLAY )
return;
negl.surface = egl.GetCurrentSurface(EGL_DRAW);
if( negl.surface == EGL_NO_SURFACE )
return;
// now check if swapBuffers does not give error
if( egl.SwapBuffers( negl.dpy, negl.surface ) == EGL_FALSE )
return;
// double check
if( egl.GetError() != EGL_SUCCESS )
return;
__android_log_print( ANDROID_LOG_VERBOSE, "Xash", "native EGL enabled" );
negl.valid = true;
}
/*
========================
Android_GetGLAttribute
========================
*/
static int Android_GetGLAttribute( int eglAttr )
{
int ret = (*jni.env)->CallStaticIntMethod( jni.env, jni.actcls, jni.getGLAttribute, eglAttr );
// Con_Reportf( "Android_GetGLAttribute( %i ) => %i\n", eglAttr, ret );
return ret;
}
int Android_GetSelectedPixelFormat( void )
{
return (*jni.env)->CallStaticIntMethod( jni.env, jni.actcls, jni.getSelectedPixelFormat );
}
qboolean R_Init_Video( const int type )
{
char buf[MAX_VA_STRING];
qboolean retval;
switch( Android_GetSelectedPixelFormat() )
{
case 1:
refState.desktopBitsPixel = 16;
break;
case 2:
refState.desktopBitsPixel = 8;
break;
default:
refState.desktopBitsPixel = 32;
break;
}
if( FS_FileExists( GI->iconpath, true ) )
{
Q_snprintf( buf, sizeof( buf ), "%s/%s/%s", COM_CheckStringEmpty( host.rodir ) ? host.rodir : host.rootdir, GI->gamefolder, GI->iconpath );
Android_SetIcon( buf );
}
Android_SetTitle( GI->title );
VID_StartupGamma();
switch( type )
{
case REF_SOFTWARE:
glw_state.software = true;
break;
case REF_GL:
glw_state.software = false;
Sys_LoadLibrary( &egl_info );
if( !glw_state.safe && Sys_GetParmFromCmdLine( "-safegl", buf ) )
glw_state.safe = bound( SAFE_NO, Q_atoi( buf ), SAFE_DONTCARE );
break;
default:
Host_Error( "Can't initialize unknown context type %d!\n", type );
break;
}
if( glw_state.software )
{
uint arg;
// Con_Reportf( S_ERROR "Native software mode isn't supported on Android yet! :(\n" );
// return false;
Sys_LoadLibrary( &android_info );
Android_UpdateSurface( true );
if( !SW_CreateBuffer( jni.width, jni.height, &arg, &arg, &arg, &arg, &arg ) )
return false;
}
while( !(retval = VID_SetMode()) )
{
glw_state.safe++;
if( glw_state.safe > SAFE_LAST )
return false;
}
switch( type )
{
case REF_GL:
// refdll also can check extensions
ref.dllFuncs.GL_InitExtensions();
break;
case REF_SOFTWARE:
default:
break;
}
host.renderinfo_changed = false;
return true;
}
void R_Free_Video( void )
{
// (*jni.env)->CallStaticBooleanMethod( jni.env, jni.actcls, jni.deleteGLContext );
// VID_DestroyWindow ();
// R_FreeVideoModes();
Sys_FreeLibrary( &android_info );
Sys_FreeLibrary( &egl_info );
vid_android.has_context = false;
ref.dllFuncs.GL_ClearExtensions();
}
#define COPY_ATTR_IF_SET( refattr, attr ) \
if( vid_android.gl_attribs_set[refattr] ) \
{ \
attribs[i++] = attr; \
attribs[i++] = vid_android.gl_attribs[refattr]; \
}
static size_t VID_GenerateConfig( EGLint *attribs, size_t size )
{
size_t i = 0;
memset( attribs, 0, size * sizeof( EGLint ) );
vid_android.gles1 = false;
memset( vid_android.gl_attribs, 0, sizeof( vid_android.gl_attribs ));
memset( vid_android.gl_attribs_set, 0, sizeof( vid_android.gl_attribs_set ));
// refdll can request some attributes
ref.dllFuncs.GL_SetupAttributes( glw_state.safe );
COPY_ATTR_IF_SET( REF_GL_RED_SIZE, EGL_RED_SIZE );
COPY_ATTR_IF_SET( REF_GL_GREEN_SIZE, EGL_GREEN_SIZE );
COPY_ATTR_IF_SET( REF_GL_BLUE_SIZE, EGL_BLUE_SIZE );
COPY_ATTR_IF_SET( REF_GL_ALPHA_SIZE, EGL_ALPHA_SIZE );
COPY_ATTR_IF_SET( REF_GL_DEPTH_SIZE, EGL_DEPTH_SIZE );
COPY_ATTR_IF_SET( REF_GL_STENCIL_SIZE, EGL_STENCIL_SIZE );
COPY_ATTR_IF_SET( REF_GL_MULTISAMPLEBUFFERS, EGL_SAMPLE_BUFFERS );
COPY_ATTR_IF_SET( REF_GL_MULTISAMPLESAMPLES, EGL_SAMPLES );
if( vid_android.gl_attribs_set[REF_GL_ACCELERATED_VISUAL] )
{
attribs[i++] = EGL_CONFIG_CAVEAT;
attribs[i++] = vid_android.gl_attribs[REF_GL_ACCELERATED_VISUAL] ? EGL_NONE : EGL_DONT_CARE;
}
// BigGL support
attribs[i++] = EGL_RENDERABLE_TYPE;
vid_android.gl_api = EGL_OPENGL_ES_API;
if( vid_android.gl_attribs_set[REF_GL_CONTEXT_PROFILE_MASK] &&
!( vid_android.gl_attribs[REF_GL_CONTEXT_PROFILE_MASK] & REF_GL_CONTEXT_PROFILE_ES ))
{
attribs[i++] = EGL_OPENGL_BIT;
vid_android.gl_api = EGL_OPENGL_API;
}
else if( vid_android.gl_attribs_set[REF_GL_CONTEXT_MAJOR_VERSION] &&
vid_android.gl_attribs[REF_GL_CONTEXT_MAJOR_VERSION] >= 2 )
{
attribs[i++] = EGL_OPENGL_ES2_BIT;
}
else
{
i--; // erase EGL_RENDERABLE_TYPE
vid_android.gles1 = true;
}
attribs[i++] = EGL_NONE;
return i;
}
static size_t VID_GenerateContextConfig( EGLint *attribs, size_t size )
{
size_t i = 0;
memset( attribs, 0, size * sizeof( EGLint ));
/*if( Q_strcmp( negl.extensions, " EGL_KHR_create_context ") )
{
if( vid_android.gl_attribs_set[REF_GL_CONTEXT_FLAGS] )
{
attribs[i++] = 0x30FC; // EGL_CONTEXT_FLAGS_KHR
attribs[i++] = vid_android.gl_attribs[REF_GL_CONTEXT_FLAGS] & ((REF_GL_CONTEXT_ROBUST_ACCESS_FLAG << 1) - 1);
}
if( vid_android.gl_attribs_set[REF_GL_CONTEXT_PROFILE_MASK] )
{
int val = vid_android.gl_attribs[REF_GL_CONTEXT_PROFILE_MASK];
if( val & ( (REF_GL_CONTEXT_PROFILE_COMPATIBILITY << 1) - 1 ) )
{
attribs[i++] = 0x30FD; // EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
attribs[i++] = val;
}
}
COPY_ATTR_IF_SET( REF_GL_CONTEXT_MAJOR_VERSION, EGL_CONTEXT_CLIENT_VERSION );
COPY_ATTR_IF_SET( REF_GL_CONTEXT_MINOR_VERSION, 0x30FB );
}
else*/
{
// without extension we can set only major version
COPY_ATTR_IF_SET( REF_GL_CONTEXT_MAJOR_VERSION, EGL_CONTEXT_CLIENT_VERSION );
}
attribs[i++] = EGL_NONE;
return i;
}
qboolean VID_SetMode( void )
{
EGLint format;
jintArray attribs, contextAttribs;
static EGLint nAttribs[32+1], nContextAttribs[32+1];
const size_t attribsSize = ARRAYSIZE( nAttribs );
size_t s1, s2;
if( vid_android.has_context )
{
R_ChangeDisplaySettings( 0, 0, false ); // width and height are ignored anyway
return true;
}
s1 = VID_GenerateConfig(nAttribs, attribsSize);
s2 = VID_GenerateContextConfig(nContextAttribs, attribsSize);
attribs = (*jni.env)->NewIntArray( jni.env, s1 );
contextAttribs = (*jni.env)->NewIntArray( jni.env, s2 );
(*jni.env)->SetIntArrayRegion( jni.env, attribs, 0, s1, nAttribs );
(*jni.env)->SetIntArrayRegion( jni.env, contextAttribs, 0, s2, nContextAttribs );
R_ChangeDisplaySettings( 0, 0, false ); // width and height are ignored anyway
if( glw_state.software )
return true;
if( (*jni.env)->CallStaticBooleanMethod( jni.env, jni.actcls, jni.createGLContext, attribs, contextAttribs ) )
{
vid_android.has_context = true;
return true;
}
return false;
}
rserr_t R_ChangeDisplaySettings( int width, int height, qboolean fullscreen )
{
int render_w, render_h;
uint rotate = vid_rotate->value;
Android_GetScreenRes(&width, &height);
render_w = width;
render_h = height;
Con_Reportf( "R_ChangeDisplaySettings: forced resolution to %dx%d)\n", width, height);
if( ref.dllFuncs.R_SetDisplayTransform( rotate, 0, 0, vid_scale->value, vid_scale->value ) )
{
if( rotate & 1 )
{
int swap = render_w;
render_w = render_h;
render_h = swap;
}
render_h /= vid_scale->value;
render_w /= vid_scale->value;
}
else
{
Con_Printf( S_WARN "failed to setup screen transform\n" );
}
R_SaveVideoMode( width, height, render_w, render_h );
refState.wideScreen = true; // V_AdjustFov will check for widescreen
return rserr_ok;
}
int GL_SetAttribute( int attr, int val )
{
if( attr < 0 || attr >= REF_GL_ATTRIBUTES_COUNT )
return -1;
vid_android.gl_attribs[attr] = val;
vid_android.gl_attribs_set[attr] = true;
return 0;
}
int GL_GetAttribute( int attr, int *val )
{
EGLBoolean ret;
if( attr < 0 || attr >= REF_GL_ATTRIBUTES_COUNT )
return -1;
if( !val )
return -1;
switch( attr )
{
case REF_GL_RED_SIZE:
*val = Android_GetGLAttribute( EGL_RED_SIZE );
return 0;
case REF_GL_GREEN_SIZE:
*val = Android_GetGLAttribute( EGL_GREEN_SIZE );
return 0;
case REF_GL_BLUE_SIZE:
*val = Android_GetGLAttribute( EGL_BLUE_SIZE );
return 0;
case REF_GL_ALPHA_SIZE:
*val = Android_GetGLAttribute( EGL_ALPHA_SIZE );
return 0;
case REF_GL_DEPTH_SIZE:
*val = Android_GetGLAttribute( EGL_DEPTH_SIZE );
return 0;
case REF_GL_STENCIL_SIZE:
*val = Android_GetGLAttribute( EGL_STENCIL_SIZE );
return 0;
case REF_GL_MULTISAMPLESAMPLES:
*val = Android_GetGLAttribute( EGL_SAMPLES );
return 0;
}
return -1;
}
int R_MaxVideoModes( void )
{
return 0;
}
vidmode_t* R_GetVideoMode( int num )
{
return NULL;
}
void* GL_GetProcAddress( const char *name ) // RenderAPI requirement
{
void *gles;
void *addr;
if( vid_android.gles1 )
{
if( !vid_android.libgles1 )
vid_android.libgles1 = dlopen("libGLESv1_CM.so", RTLD_NOW);
gles = vid_android.libgles1;
}
else
{
if( !vid_android.libgles2 )
vid_android.libgles2 = dlopen("libGLESv2.so", RTLD_NOW);
gles = vid_android.libgles2;
}
if( gles && ( addr = dlsym(gles, name ) ) )
return addr;
if( !egl.GetProcAddress )
return NULL;
return egl.GetProcAddress( name );
}
void GL_UpdateSwapInterval( void )
{
// disable VSync while level is loading
if( cls.state < ca_active )
{
Android_SwapInterval( 0 );
SetBits( gl_vsync->flags, FCVAR_CHANGED );
}
else if( FBitSet( gl_vsync->flags, FCVAR_CHANGED ))
{
ClearBits( gl_vsync->flags, FCVAR_CHANGED );
Android_SwapInterval( gl_vsync->value );
}
}
void *SW_LockBuffer( void )
{
ANativeWindow_Buffer buffer;
if( !nw.lock || !vid_android.window )
return NULL;
if( nw.lock( vid_android.window, &buffer, NULL ) )
return NULL;
if( buffer.width < refState.width || buffer.height < refState.height )
return NULL;
return buffer.bits;
}
void SW_UnlockBuffer( void )
{
if( nw.unlockAndPost )
nw.unlockAndPost( vid_android.window );
}
qboolean SW_CreateBuffer( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b )
{
ANativeWindow_Buffer buffer;
int lock;
if( !nw.lock || !vid_android.window )
return false;
nw.unlockAndPost( vid_android.window );
if( ( lock = nw.lock( vid_android.window, &buffer, NULL ) ) )
{
Con_Printf( "SW_CreateBuffer: lock %d\n", lock );
return false;
}
nw.unlockAndPost( vid_android.window );
Con_Printf( "SW_CreateBuffer: buffer %d %d %x %d %p\n", buffer.width, buffer.height, buffer.format, buffer.stride, buffer.bits );
if( width > buffer.width || height > buffer.height )
{
Con_Printf( "SW_CreateBuffer: buffer too small %d %d\n", width, height );
// resize event missed?
if( jni.width < buffer.width )
jni.width = buffer.width;
if( jni.height < buffer.height )
jni.width = buffer.height;
VID_SetMode();
Android_UpdateSurface( 1 );
return false;
}
if( buffer.format != WINDOW_FORMAT_RGB_565 )
{
Con_Printf( "SW_CreateBuffer: wrong format %d\n", buffer.format );
return false;
}
Con_Printf( "SW_CreateBuffer: ok\n" );
*stride = buffer.stride;
*bpp = 2;
*r = (((1 << 5) - 1) << (5+6));
*g = (((1 << 6) - 1) << (5));
*b = (((1 << 5) - 1) << (0));
return true;
}