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westeros-main.cpp
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/*
* If not stated otherwise in this file or this component's Licenses.txt file the
* following copyright and licenses apply:
*
* Copyright 2016 RDK Management
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <ctype.h>
#include <memory.h>
#include <assert.h>
#include <dirent.h>
#include <poll.h>
#include <pthread.h>
#include <unistd.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/inotify.h>
#include <fcntl.h>
#include <linux/input.h>
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
#include <EGL/egl.h>
#include <EGL/eglext.h>
#endif
#if !defined (WESTEROS_PLATFORM_EMBEDDED)
#include <GL/glew.h>
#include <GL/glut.h>
#include <GL/freeglut.h>
#include <X11/Xlib.h>
#elif defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#endif
#if defined (WESTEROS_PLATFORM_EMBEDDED)
#include "westeros-gl.h"
#endif
#include <vector>
#include <map>
#include "westeros-compositor.h"
typedef struct _InputCtx
{
bool started;
bool stopRequested;
std::vector<pollfd> deviceFds;
WstCompositor *wctx;
WstTouchSet touchSet;
} InputCtx;
typedef struct _AppCtx
{
WstCompositor *wctx;
bool isEmbedded;
bool useFBO;
float matrix[16];
float alpha;
int x, y, width, height;
int outputWidth, outputHeight;
int windowWidth, windowHeight;
std::vector<WstRect> rects;
int hints;
int tickCount;
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
EGLDisplay eglDisplay;
EGLConfig eglConfig;
EGLContext eglContext;
EGLSurface eglSurface;
int fboWidth;
int fboHeight;
GLuint fboId;
GLuint fboTextureId;
GLuint fboProgram;
GLuint fboFrag;
GLuint fboVert;
GLint fboPosLoc;
GLint fboUVLoc;
GLint fboResLoc;
GLint fboMatrixLoc;
GLint fboAlphaLoc;
GLint fboTextureLoc;
int animationType;
bool enableAnimation;
bool animationRunning;
float scale;
float startScale;
float targetScale;
int transX;
int startTransX;
int targetTransX;
int transY;
int startTransY;
int targetTransY;
long long animationStartTime;
long long animationDuration;
#endif
#if defined (WESTEROS_PLATFORM_EMBEDDED)
bool showCursor;
bool cursorReady;
pthread_t inputThreadId;
InputCtx *inputCtx;
WstGLCtx *glCtx;
#else
char title[32];
int glutWindowId;
#endif
void *nativeWindow;
bool dirty;
} AppCtx;
static bool g_running= false;
static std::map<int,AppCtx*> g_appCtxMap= std::map<int,AppCtx*>();
static void signalHandler(int signum)
{
printf("signalHandler: signum %d\n", signum);
g_running= false;
}
static void showUsage()
{
printf("usage:\n");
printf(" westeros [options]\n" );
printf("where [options] are:\n" );
printf(" --renderer <module> : renderer module to use\n" );
printf(" --framerate <rate> : frame rate in fps\n" );
printf(" --display <name> : name of wayland display created by compositor\n" );
printf(" --embedded : operate as an embedded compositor\n" );
printf(" --repeater : operate as a repeating nested compositor\n" );
printf(" --nested : operate as a nested compositor\n" );
printf(" --nestedDisplay <name> : name of wayland display to connect to for nested composition\n" );
printf(" --nestedInput : register nested input listeners\n" );
printf(" --width <width> : width of nested composition surface\n" );
printf(" --height <width> : height of nested composition surface\n" );
printf(" --window-size <w>x<h> : size of app window (eg. 1920x1080)\n");
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
printf(" --animate : enable animation (scale, rotate, translate) (use with --embedded)\n" );
printf(" --animate2 : enable animation (size, translate) (use with --embedded)\n");
printf(" --noFBO : renders without FBO (use with --embedded)\n" );
#if defined (WESTEROS_PLATFORM_EMBEDDED)
printf(" --enableCursor : display default pointer cursor\n" );
#endif
#endif
printf(" --module <module> : use named module\n" );
printf(" -? : show usage\n" );
printf("\n" );
}
#if defined (WESTEROS_PLATFORM_EMBEDDED) || defined (WESTEROS_HAVE_WAYLAND_EGL)
#define RED_SIZE (8)
#define GREEN_SIZE (8)
#define BLUE_SIZE (8)
#define ALPHA_SIZE (8)
#define DEPTH_SIZE (0)
static void setupEGL( AppCtx *appCtx )
{
EGLBoolean b;
EGLint major, minor;
EGLint configCount;
EGLConfig *eglConfigs= 0;
EGLint attr[32];
EGLint redSize, greenSize, blueSize, alphaSize, depthSize;
EGLint ctxAttrib[3];
int i;
#if defined (WESTEROS_PLATFORM_EMBEDDED)
appCtx->glCtx= WstGLInit();
if ( !appCtx->glCtx )
{
printf("Unable to create GL context\n");
goto exit;
}
#endif
appCtx->eglDisplay= eglGetDisplay( EGL_DEFAULT_DISPLAY );
if ( appCtx->eglDisplay == EGL_NO_DISPLAY )
{
printf("Unable to open default EGL display\n");
goto exit;
}
b= eglInitialize( appCtx->eglDisplay, &major, &minor );
if ( !b )
{
printf("Unable to initialize EGL display\n");
goto exit;
}
printf("Initialized EGL display: major %d minor: %d\n", major, minor );
b= eglGetConfigs( appCtx->eglDisplay, NULL, 0, &configCount );
if ( !b )
{
printf("Unable to get count of EGL configurations: %X\n", eglGetError() );
goto exit;
}
printf("Number of EGL configurations: %d\n", configCount );
eglConfigs= (EGLConfig*)malloc( configCount*sizeof(EGLConfig) );
if ( !eglConfigs )
{
printf("Unable to alloc memory for EGL configurations\n");
goto exit;
}
i= 0;
attr[i++]= EGL_RED_SIZE;
attr[i++]= RED_SIZE;
attr[i++]= EGL_GREEN_SIZE;
attr[i++]= GREEN_SIZE;
attr[i++]= EGL_BLUE_SIZE;
attr[i++]= BLUE_SIZE;
attr[i++]= EGL_DEPTH_SIZE;
attr[i++]= DEPTH_SIZE;
attr[i++]= EGL_STENCIL_SIZE;
attr[i++]= 0;
attr[i++]= EGL_SURFACE_TYPE;
attr[i++]= EGL_WINDOW_BIT;
attr[i++]= EGL_RENDERABLE_TYPE;
attr[i++]= EGL_OPENGL_ES2_BIT;
attr[i++]= EGL_NONE;
// Get a list of configurations that meet or exceed our requirements
b= eglChooseConfig( appCtx->eglDisplay, attr, eglConfigs, configCount, &configCount );
if ( !b )
{
printf("eglChooseConfig failed: %X\n", eglGetError() );
goto exit;
}
printf("eglChooseConfig: matching configurations: %d\n", configCount );
// Choose a suitable configuration
for( i= 0; i < configCount; ++i )
{
eglGetConfigAttrib( appCtx->eglDisplay, eglConfigs[i], EGL_RED_SIZE, &redSize );
eglGetConfigAttrib( appCtx->eglDisplay, eglConfigs[i], EGL_GREEN_SIZE, &greenSize );
eglGetConfigAttrib( appCtx->eglDisplay, eglConfigs[i], EGL_BLUE_SIZE, &blueSize );
eglGetConfigAttrib( appCtx->eglDisplay, eglConfigs[i], EGL_ALPHA_SIZE, &alphaSize );
eglGetConfigAttrib( appCtx->eglDisplay, eglConfigs[i], EGL_DEPTH_SIZE, &depthSize );
printf("config %d: red: %d green: %d blue: %d alpha: %d depth: %d\n",
i, redSize, greenSize, blueSize, alphaSize, depthSize );
if ( (redSize == RED_SIZE) &&
(greenSize == GREEN_SIZE) &&
(blueSize == BLUE_SIZE) &&
(alphaSize == ALPHA_SIZE) &&
(depthSize >= DEPTH_SIZE) )
{
printf( "choosing config %d\n", i);
break;
}
}
if ( i == configCount )
{
printf("No suitable configuration available\n");
goto exit;
}
appCtx->eglConfig= eglConfigs[i];
#if defined (WESTEROS_PLATFORM_EMBEDDED)
appCtx->nativeWindow= WstGLCreateNativeWindow( appCtx->glCtx, appCtx->x, appCtx->y, appCtx->width, appCtx->height );
#endif
printf("nativeWindow %p\n", appCtx->nativeWindow );
if ( !appCtx->nativeWindow )
{
goto exit;
}
// Create an EGL window surface
appCtx->eglSurface= eglCreateWindowSurface( appCtx->eglDisplay,
appCtx->eglConfig,
(EGLNativeWindowType)appCtx->nativeWindow,
NULL );
printf("eglSurface %p\n", appCtx->eglSurface );
if ( !appCtx->eglSurface )
{
goto exit;
}
ctxAttrib[0]= EGL_CONTEXT_CLIENT_VERSION;
ctxAttrib[1]= 2; // ES2
ctxAttrib[2]= EGL_NONE;
// Create an EGL context
appCtx->eglContext= eglCreateContext( appCtx->eglDisplay, appCtx->eglConfig, EGL_NO_CONTEXT, ctxAttrib );
if ( appCtx->eglContext == EGL_NO_CONTEXT )
{
printf( "Unable to create EGL context: %X\n", eglGetError() );
goto exit;
}
printf("eglContext %p\n", appCtx->eglContext );
eglMakeCurrent( appCtx->eglDisplay, appCtx->eglSurface, appCtx->eglSurface, appCtx->eglContext );
eglSwapInterval( appCtx->eglDisplay, 1 );
exit:
if ( eglConfigs )
{
free( eglConfigs );
}
return;
}
static void termEGL( AppCtx *appCtx )
{
if ( appCtx->eglDisplay )
{
eglMakeCurrent( appCtx->eglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT );
}
if ( appCtx->eglSurface )
{
eglDestroySurface( appCtx->eglDisplay, appCtx->eglSurface );
appCtx->eglSurface= 0;
}
if ( appCtx->eglContext )
{
eglDestroyContext( appCtx->eglDisplay, appCtx->eglContext );
appCtx->eglContext= 0;
}
#if defined (WESTEROS_PLATFORM_EMBEDDED)
if ( appCtx->nativeWindow )
{
WstGLDestroyNativeWindow( appCtx->glCtx, appCtx->nativeWindow );
appCtx->nativeWindow= 0;
}
if ( appCtx->glCtx )
{
WstGLTerm( appCtx->glCtx );
appCtx->glCtx= 0;
}
#endif
}
static const char *fragShaderText =
"#ifdef GL_ES\n"
"precision mediump float;\n"
"#endif\n"
"uniform sampler2D s_texture;\n"
"uniform float u_alpha;\n"
"varying vec2 v_uv;\n"
"void main()\n"
"{\n"
" gl_FragColor = texture2D(s_texture, v_uv) * u_alpha;\n"
"}\n";
static const char *vertexShaderText =
"uniform vec2 u_resolution;\n"
"uniform mat4 amymatrix;\n"
"attribute vec2 pos;\n"
"attribute vec2 uv;\n"
"varying vec2 v_uv;\n"
"void main()\n"
"{\n"
" vec4 p = amymatrix * vec4(pos, 0, 1);\n"
" vec4 zeroToOne = p / vec4(u_resolution, u_resolution.x, 1);\n"
" vec4 zeroToTwo = zeroToOne * vec4(2.0, 2.0, 1, 1);\n"
" vec4 clipSpace = zeroToTwo - vec4(1.0, 1.0, 0, 0);\n"
" clipSpace.w = 1.0+clipSpace.z;\n"
" gl_Position = clipSpace * vec4(1, -1, 1, 1);\n"
" v_uv = uv;\n"
"}\n";
static GLuint createShader(AppCtx *appCtx, GLenum shaderType, const char *shaderSource )
{
GLuint shader= 0;
GLint shaderStatus;
GLsizei length;
char logText[1000];
shader= glCreateShader( shaderType );
if ( shader )
{
glShaderSource( shader, 1, (const char **)&shaderSource, NULL );
glCompileShader( shader );
glGetShaderiv( shader, GL_COMPILE_STATUS, &shaderStatus );
if ( !shaderStatus )
{
glGetShaderInfoLog( shader, sizeof(logText), &length, logText );
printf("Error compiling %s shader: %*s\n",
((shaderType == GL_VERTEX_SHADER) ? "vertex" : "fragment"),
length,
logText );
}
}
return shader;
}
static void createFBO( AppCtx *appCtx )
{
if ( !appCtx->useFBO ) return;
GLenum statusFBO;
GLuint frag, vert;
GLuint program;
GLint statusShader;
appCtx->fboWidth= appCtx->outputWidth;
appCtx->fboHeight= appCtx->outputHeight;
glGenFramebuffers( 1, &appCtx->fboId );
glGenTextures( 1, &appCtx->fboTextureId );
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, appCtx->fboTextureId);
glTexImage2D( GL_TEXTURE_2D,
0, //level
GL_RGBA, //internalFormat
appCtx->fboWidth,
appCtx->fboHeight,
0, // border
GL_RGBA, //format
GL_UNSIGNED_BYTE,
NULL );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindFramebuffer( GL_FRAMEBUFFER, appCtx->fboId );
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, appCtx->fboTextureId, 0 );
statusFBO= glCheckFramebufferStatus( GL_FRAMEBUFFER );
if ( statusFBO != GL_FRAMEBUFFER_COMPLETE )
{
printf("Error: bad fbo status: %d\n", statusFBO );
}
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
frag= createShader(appCtx, GL_FRAGMENT_SHADER, fragShaderText);
vert= createShader(appCtx, GL_VERTEX_SHADER, vertexShaderText);
program= glCreateProgram();
glAttachShader(program, frag);
glAttachShader(program, vert);
appCtx->fboPosLoc= 0;
appCtx->fboUVLoc= 1;
glBindAttribLocation(program, appCtx->fboPosLoc, "pos");
glBindAttribLocation(program, appCtx->fboUVLoc, "uv");
glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &statusShader);
if (!statusShader)
{
char log[1000];
GLsizei len;
glGetProgramInfoLog(program, 1000, &len, log);
fprintf(stderr, "Error: linking:\n%*s\n", len, log);
}
appCtx->fboResLoc= glGetUniformLocation(program,"u_resolution");
appCtx->fboMatrixLoc= glGetUniformLocation(program,"amymatrix");
appCtx->fboAlphaLoc= glGetUniformLocation(program,"u_alpha");
appCtx->fboTextureLoc= glGetUniformLocation(program,"s_texture");
appCtx->fboProgram= program;
appCtx->fboVert= vert;
appCtx->fboFrag= frag;
}
static void destroyFBO( AppCtx *appCtx )
{
if ( !appCtx->useFBO ) return;
if ( appCtx->fboVert )
{
glDeleteShader( appCtx->fboVert );
appCtx->fboVert= 0;
}
if ( appCtx->fboFrag )
{
glDeleteShader( appCtx->fboFrag );
appCtx->fboFrag= 0;
}
if ( appCtx->fboProgram )
{
glDeleteProgram( appCtx->fboProgram );
appCtx->fboProgram= 0;
}
if ( appCtx->fboId )
{
glBindFramebuffer( GL_FRAMEBUFFER, appCtx->fboId );
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0 );
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
if ( appCtx->fboTextureId )
{
glDeleteTextures( 1, &appCtx->fboTextureId );
appCtx->fboTextureId= 0;
}
glDeleteFramebuffers( 1, &appCtx->fboId );
appCtx->fboId= 0;
}
appCtx->fboWidth= 0;
appCtx->fboHeight= 0;
}
static void resizeFBO( AppCtx *appCtx, int width, int height )
{
GLenum statusFBO;
if ( !appCtx->useFBO ) return;
if ( appCtx->fboId )
{
glBindFramebuffer( GL_FRAMEBUFFER, appCtx->fboId );
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0 );
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
if ( appCtx->fboTextureId )
{
glDeleteTextures( 1, &appCtx->fboTextureId );
appCtx->fboTextureId= 0;
}
glDeleteFramebuffers( 1, &appCtx->fboId );
appCtx->fboId= 0;
}
appCtx->fboWidth= width;
appCtx->fboHeight= height;
glGenFramebuffers( 1, &appCtx->fboId );
glGenTextures( 1, &appCtx->fboTextureId );
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, appCtx->fboTextureId);
glTexImage2D( GL_TEXTURE_2D,
0, //level
GL_RGBA, //internalFormat
appCtx->fboWidth,
appCtx->fboHeight,
0, // border
GL_RGBA, //format
GL_UNSIGNED_BYTE,
NULL );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindFramebuffer( GL_FRAMEBUFFER, appCtx->fboId );
glFramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, appCtx->fboTextureId, 0 );
statusFBO= glCheckFramebufferStatus( GL_FRAMEBUFFER );
if ( statusFBO != GL_FRAMEBUFFER_COMPLETE )
{
printf("Error: bad fbo status: %d\n", statusFBO );
}
glBindFramebuffer( GL_FRAMEBUFFER, 0 );
}
static void drawFBO ( AppCtx *appCtx )
{
int x, y, w, h;
x= appCtx->x;
y= appCtx->y;
w= appCtx->fboWidth;
h= appCtx->fboHeight;
const float verts[4][2] =
{
{ float(x), float(y) },
{ float(x+w), float(y) },
{ float(x), float(y+h) },
{ float(x+w), float(y+h) }
};
const float uv[4][2] =
{
{ 0, 1 },
{ 1, 1 },
{ 0, 0 },
{ 1, 0 }
};
glUseProgram(appCtx->fboProgram);
glUniform2f(appCtx->fboResLoc, appCtx->width, appCtx->height);
glUniformMatrix4fv(appCtx->fboMatrixLoc, 1, GL_FALSE, (GLfloat*)appCtx->matrix);
glUniform1f(appCtx->fboAlphaLoc, 1.0f);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, appCtx->fboTextureId);
glUniform1i(appCtx->fboTextureLoc, 0);
glVertexAttribPointer(appCtx->fboPosLoc, 2, GL_FLOAT, GL_FALSE, 0, verts);
glVertexAttribPointer(appCtx->fboUVLoc, 2, GL_FLOAT, GL_FALSE, 0, uv);
glEnableVertexAttribArray(appCtx->fboPosLoc);
glEnableVertexAttribArray(appCtx->fboUVLoc);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisableVertexAttribArray(appCtx->fboPosLoc);
glDisableVertexAttribArray(appCtx->fboUVLoc);
glFlush();
glFinish();
}
static bool isRotated( AppCtx *appCtx )
{
float *f= appCtx->matrix;
const float e= 1.0e-2;
if ( (fabsf(f[1]) > e) ||
(fabsf(f[2]) > e) ||
(fabsf(f[4]) > e) ||
(fabsf(f[6]) > e) ||
(fabsf(f[8]) > e) ||
(fabsf(f[9]) > e) )
{
return true;
}
return false;
}
static long long getCurrentTimeMillis(void)
{
struct timeval tv;
long long utcCurrentTimeMillis;
gettimeofday(&tv,0);
utcCurrentTimeMillis= tv.tv_sec*1000LL+(tv.tv_usec/1000LL);
return utcCurrentTimeMillis;
}
#endif
#if defined (WESTEROS_PLATFORM_EMBEDDED)
static const char *inputPath= "/dev/input/";
int openDevice( std::vector<pollfd> &deviceFds, const char *devPathName )
{
int fd= -1;
struct stat buf;
if ( stat( devPathName, &buf ) == 0 )
{
if ( S_ISCHR(buf.st_mode) )
{
fd= open( devPathName, O_RDONLY | O_CLOEXEC );
if ( fd < 0 )
{
printf( "error opening device: %s\n", devPathName );
}
else
{
pollfd pfd;
printf( "opened device %s : fd %d\n", devPathName, fd );
pfd.fd= fd;
deviceFds.push_back( pfd );
}
}
else
{
printf("ignoring non character device %s\n", devPathName );
}
}
else
{
printf( "error performing stat on device: %s\n", devPathName );
}
return fd;
}
char *getDevice( const char *path, char *devName )
{
int len;
char *devicePathName= 0;
struct stat buffer;
if ( !devName )
return devicePathName;
len= strlen( devName );
devicePathName= (char *)malloc( strlen(path)+len+1);
if ( devicePathName )
{
strcpy( devicePathName, path );
strcat( devicePathName, devName );
if ( !stat(devicePathName, &buffer) )
{
printf( "found %s\n", devicePathName );
}
else
{
free( devicePathName );
devicePathName= 0;
}
}
return devicePathName;
}
void getDevices( std::vector<pollfd> &deviceFds )
{
DIR * dir;
struct dirent *result;
char *devPathName;
if ( NULL != (dir = opendir( inputPath )) )
{
while( NULL != (result = readdir( dir )) )
{
if ( (result->d_type != DT_DIR) &&
!strncmp(result->d_name, "event", 5) )
{
devPathName= getDevice( inputPath, result->d_name );
if ( devPathName )
{
if (openDevice( deviceFds, devPathName ) < 0 )
{
printf("Could not open device %s\n", devPathName);
}
free( devPathName );
}
}
}
closedir( dir );
}
}
void releaseDevices( std::vector<pollfd> &deviceFds )
{
while( deviceFds.size() > 0 )
{
pollfd pfd= deviceFds[0];
printf( "closing device fd: %d\n", pfd.fd );
close( pfd.fd );
deviceFds.erase( deviceFds.begin() );
}
}
void* inputThread( void *data )
{
InputCtx *inCtx= (InputCtx*)data;
int deviceCount;
int i, n;
input_event e;
unsigned int keyModifiers= 0;
int mouseAccel= 1;
int mouseX= 0;
int mouseY= 0;
unsigned int outputWidth= 0, outputHeight= 0;
bool mouseEnterSent= false;
bool mouseMoved= false;
int currTouchSlot= 0;
bool touchChanges= false;
bool touchClean= false;
int notifyFd= -1, watchFd=-1;
char intfyEvent[512];
pollfd pfd;
inCtx->started= true;
notifyFd= inotify_init();
if ( notifyFd >= 0 )
{
pfd.fd= notifyFd;
watchFd= inotify_add_watch( notifyFd, inputPath, IN_CREATE | IN_DELETE );
inCtx->deviceFds.push_back( pfd );
}
deviceCount= inCtx->deviceFds.size();
while( !inCtx->stopRequested )
{
for( i= 0; i < deviceCount; ++i )
{
inCtx->deviceFds[i].events= POLLIN | POLLERR;
inCtx->deviceFds[i].revents= 0;
}
n= poll(&inCtx->deviceFds[0], deviceCount, 400);
if ( n >= 0 )
{
for( i= 0; i < deviceCount; ++i )
{
if ( inCtx->deviceFds[i].revents & POLLIN )
{
if ( inCtx->deviceFds[i].fd == notifyFd )
{
// A hotplug event has occurred
n= read( notifyFd, &intfyEvent, sizeof(intfyEvent) );
if ( n >= sizeof(struct inotify_event) )
{
struct inotify_event *iev= (struct inotify_event*)intfyEvent;
{
// Re-discover devices
printf("inotify: mask %x (%s) wd %d (%d)\n", iev->mask, iev->name, iev->wd, watchFd );
inCtx->deviceFds.pop_back();
releaseDevices( inCtx->deviceFds );
usleep( 100000 );
getDevices( inCtx->deviceFds );
inCtx->deviceFds.push_back( pfd );
deviceCount= inCtx->deviceFds.size();
break;
}
}
}
else
{
n= read( inCtx->deviceFds[i].fd, &e, sizeof(input_event) );
if ( n > 0 )
{
switch( e.type )
{
case EV_KEY:
switch( e.code )
{
case BTN_LEFT:
case BTN_RIGHT:
case BTN_MIDDLE:
case BTN_SIDE:
case BTN_EXTRA:
{
unsigned int keyCode= e.code;
unsigned int keyState;
if ( !mouseEnterSent )
{
WstCompositorPointerEnter( inCtx->wctx );
mouseEnterSent= true;
}
switch ( e.value )
{
case 0:
keyState= WstKeyboard_keyState_released;
break;
case 1:
keyState= WstKeyboard_keyState_depressed;
break;
default:
keyState= WstKeyboard_keyState_none;
break;
}
if ( keyState != WstKeyboard_keyState_none )
{
WstCompositorPointerButtonEvent( inCtx->wctx, keyCode, keyState );
}
}
break;
case BTN_TOUCH:
// Ignore
break;
default:
{
int keyCode= e.code;
unsigned int keyState;
switch( keyCode )
{
case KEY_LEFTSHIFT:
case KEY_RIGHTSHIFT:
if ( e.value )
keyModifiers |= WstKeyboard_shift;
else
keyModifiers &= ~WstKeyboard_shift;
break;
case KEY_LEFTCTRL:
case KEY_RIGHTCTRL:
if ( e.value )
keyModifiers |= WstKeyboard_ctrl;
else
keyModifiers &= ~WstKeyboard_ctrl;
break;
case KEY_LEFTALT:
case KEY_RIGHTALT:
if ( e.value )
keyModifiers |= WstKeyboard_alt;
else
keyModifiers &= ~WstKeyboard_alt;
break;
case KEY_CAPSLOCK:
if ( e.value )
keyModifiers ^= WstKeyboard_caps;
break;
}
switch ( e.value )
{
case 0:
keyState= WstKeyboard_keyState_released;
break;
case 1:
keyState= WstKeyboard_keyState_depressed;
break;
default:
keyState= WstKeyboard_keyState_none;
break;
}
if ( keyState != WstKeyboard_keyState_none )
{
WstCompositorKeyEvent( inCtx->wctx,
keyCode,
keyState,
keyModifiers );
}
}
break;
}
break;
case EV_REL:
if ( !outputWidth || !outputHeight )
{
WstCompositorGetOutputSize( inCtx->wctx, &outputWidth, &outputHeight );
}
switch( e.code )
{
case REL_X:
mouseX= mouseX + e.value * mouseAccel;
if ( mouseX < 0 ) mouseX= 0;
if ( mouseX > outputWidth ) mouseX= outputWidth;
mouseMoved= true;
break;
case REL_Y:
mouseY= mouseY + e.value * mouseAccel;
if ( mouseY < 0 ) mouseY= 0;
if ( mouseY > outputHeight ) mouseY= outputHeight;
mouseMoved= true;
break;
default:
break;
}
break;
case EV_SYN:
{
if ( mouseMoved )
{
if ( !mouseEnterSent )
{
WstCompositorPointerEnter( inCtx->wctx );
mouseEnterSent= true;
}
WstCompositorPointerMoveEvent( inCtx->wctx, mouseX, mouseY );
mouseMoved= false;
}
if ( touchChanges )
{
WstCompositorTouchEvent( inCtx->wctx, &inCtx->touchSet );
if ( touchClean )
{
touchClean= false;
for( int i= 0; i < WST_MAX_TOUCH; ++i )
{
inCtx->touchSet.touch[i].starting= false;
if ( inCtx->touchSet.touch[i].stopping )
{
inCtx->touchSet.touch[i].valid= false;
inCtx->touchSet.touch[i].stopping= false;
inCtx->touchSet.touch[i].id= -1;
}
}
}
touchChanges= false;
}
}
break;
case EV_ABS:
switch( e.code )
{
case ABS_MT_SLOT:
currTouchSlot= e.value;
break;
case ABS_MT_POSITION_X:
if ( (currTouchSlot >= 0) && (currTouchSlot < WST_MAX_TOUCH) )
{
inCtx->touchSet.touch[currTouchSlot].x= e.value;
inCtx->touchSet.touch[currTouchSlot].moved= true;
touchChanges= true;
}
break;
case ABS_MT_POSITION_Y: