inline void Uniform<vr::Matrix, 3>::apply()
{
std::stringstream ss;
glUniformMatrix4fvARB(location , 1, GL_FALSE, value[0].ptr());
ss << __FILE__ << ":" << __LINE__; CheckErrorsGL( string(ss.str()) );
glUniformMatrix4fvARB(location+1, 1, GL_FALSE, value[1].ptr());
ss << __FILE__ << ":" << __LINE__; CheckErrorsGL( string(ss.str()) );
glUniformMatrix4fvARB(location+2, 1, GL_FALSE, value[2].ptr());
ss << __FILE__ << ":" << __LINE__; CheckErrorsGL( string(ss.str()) );
}
void Window::initGL()
{
CheckErrorsGL(std::string("initGL() "));
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClearDepth(1.0f);
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
GLfloat material_ambient[] = {1.0,1.0,1.0,1.0};
GLfloat material_diffuse[] = {1.0,1.0,1.0,1.0};
GLfloat material_specular[] = {1.0,1.0,1.0,1.0};
GLfloat material_shininess[] = {2.0f};
glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE);
glEnable(GL_COLOR_MATERIAL);
{
GLfloat light_ambient[] = {0.1, 0.1, 0.1, 1.0};
GLfloat light_diffuse[] = {0.4, 0.3, 0.3, 1.0};
GLfloat light_specular[] = {0.8, 0.5, 0.5, 1.0};
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, lightPos.ptr());
}
GLfloat light_ambient[] = {0.1, 0.1, 0.1, 1.0};
GLfloat light_diffuse[] = {0.2, 0.3, 0.4, 1.0};
GLfloat light_specular[] = {0.4, 0.5, 0.8, 1.0};
GLfloat light_position[] = {0.0, 5.0, 5.0, 1.0};
glLightfv(GL_LIGHT1, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT1, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT1, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT1, GL_POSITION, light_position);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHT1);
CheckErrorsGL(std::string("initGLend() "));
}
TextureUnit::TextureUnit(int w, int h, GLenum texTarget, GLenum internalFormat, GLenum texFormat, GLenum datatype, GLenum filterType)
{
_w = w;
_h = h;
_texTarget = texTarget;
_texInternalFormat = internalFormat;
_texFormat = texFormat;
_texDataType = datatype;
_texFilterType = filterType;
CheckErrorsGL("DM::initTextureUnits 00");
// Create Input Image Texture
glGenTextures(1,&_texID);
glBindTexture (_texTarget,_texID);
CheckErrorsGL("DM::initTextureUnits 01");
glPixelStorei (GL_UNPACK_ALIGNMENT , 1);
glTexParameteri (_texTarget, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER_ARB);
glTexParameteri (_texTarget, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER_ARB);
CheckErrorsGL("DM::initTextureUnits 02");
glTexParameteri (_texTarget, GL_TEXTURE_MAG_FILTER, _texFilterType);
glTexParameteri (_texTarget, GL_TEXTURE_MIN_FILTER, _texFilterType);
CheckErrorsGL("DM::initTextureUnits 03");
CheckErrorsGL("DM::initTextureUnits 04");
glTexImage2D (_texTarget, 0, _texInternalFormat,_w,_h, 0, _texFormat, datatype, 0);
CheckErrorsGL("DM::initTextureUnits 05");
}
inline void Uniform<float, 1>::apply()
{
std::stringstream ss;
glUniform1fARB(location, value[0]);
ss << __FILE__ << ":" << __LINE__; CheckErrorsGL( string(ss.str()) );
}
Uniform(const std::string& name, GLhandleARB program)
: location(glGetUniformLocationARB(program, name.c_str()))
{
CheckErrorsGL(std::string("glGetUniformLocationARB :"));
}
bool
Shader::initInContext(unsigned int contextId)
{
// handler for the single shaders
GLuint vs = 0;
GLuint fs = 0;
GLuint gs = 0;
// return values for the compile process
GLint vsCompiled = 0;
GLint fsCompiled = 0;
GLint gsCompiled = 0;
// iterator for program parameter
std::map<GLenum,int>::iterator params;
#ifndef GLOOST_SYSTEM_DISABLE_OUTPUT_MESSAGES
std::cerr << std::endl;
std::cerr << std::endl << "Message from Message from Shader::initInContext() on SharedResource " << getSharedResourceId() << ":";
std::cerr << std::endl << " Building for context " << contextId << ".";
std::cerr << std::endl;
#endif
// remove this resource if it allready exists
removeFromContext(contextId);
/// create a vertex, a fragment and a geometry shader handle
vs = glCreateShader( GL_VERTEX_SHADER );
fs = glCreateShader( GL_FRAGMENT_SHADER );
if (_geometryShaderSource)
{
gs = glCreateShader( GL_GEOMETRY_SHADER );
}
/// send shader source to the driver
glShaderSource(vs, 1, &_vertexShaderSource, NULL);
glShaderSource(fs, 1, &_fragmentShaderSource, NULL);
if (_geometryShaderSource)
{
glShaderSource(gs, 1, &_geometryShaderSource, NULL);
}
// vertex shader
glCompileShader(vs);
glGetShaderiv(vs, GL_COMPILE_STATUS, &vsCompiled);
if (vsCompiled == GL_FALSE)
{
#ifndef GLOOST_SYSTEM_DISABLE_OUTPUT_ERRORS
std::cerr << std::endl;
std::cerr << std::endl << "ERROR in shader::create() on SharedResource " << getSharedResourceId() << ":";
std::cerr << std::endl << " Can't compile vertexshader \"" << _vertexShaderFileName << "\"";
std::cerr << std::endl;
#endif
}
// validate the vertex shader and print compiler log
validateShader(vs, _vertexShaderFileName);
// fragment shader
glCompileShader( fs );
glGetShaderiv(fs, GL_COMPILE_STATUS, &fsCompiled);
if (fsCompiled == GL_FALSE)
{
#ifndef GLOOST_SYSTEM_DISABLE_OUTPUT_ERRORS
std::cerr << std::endl;
std::cerr << std::endl << "ERROR in shader::create() on SharedResource " << getSharedResourceId() << ":";
std::cerr << std::endl << " Cant't compile fragmentshader \"" << _fragmentShaderFileName << "\"";
std::cerr << std::endl;
#endif
}
// validate the fragment shader and print compiler log
validateShader(fs, _fragmentShaderFileName);
// geometry shader
if (gs)
{
glCompileShader( gs );
glGetShaderiv(gs, GL_COMPILE_STATUS, &gsCompiled);
if (gsCompiled == GL_FALSE)
{
#ifndef GLOOST_SYSTEM_DISABLE_OUTPUT_ERRORS
std::cerr << std::endl;
std::cerr << std::endl << "ERROR in shader::create() on SharedResource " << getSharedResourceId() << ":";
std::cerr << std::endl << " Cant't compile geometryshader \"" << _geometryShaderFileName << "\"";
std::cerr << std::endl;
#endif
}
// validate the fragment shader and print compiler log
validateShader(gs, _geometryShaderFileName);
}
else
{
// shader not used - set compile flag anyway
gsCompiled = GL_TRUE;
}// if (geometry shader exist)
/// create a shader program and attache the compiled vertex, fragment and geometry binaries
unsigned int shaderHandle = glCreateProgram();
/// make a association between the context and the GL handle of this shader
setResourceHandleForContext(shaderHandle, contextId);
/// attache programs to shaderh handle
glAttachShader( shaderHandle, fs );
glAttachShader( shaderHandle, vs );
if (gs)
{
glAttachShader( shaderHandle, gs );
CheckErrorsGL(("Shader::initInContext() after attaching geometry shader for Shared Resource " + gloost::toString(getSharedResourceId())).c_str());
for ( params =_programParameter.begin(); params != _programParameter.end(); params++ )
{
glProgramParameteriEXT(shaderHandle, (*params).first, (*params).second);
CheckErrorsGL(("Shader::initInContext() after setting for Shared Resource " + gloost::toString(getSharedResourceId())).c_str());
}
}
/// link programs
glLinkProgram(shaderHandle);
// int temp;
// glGetIntegerv(GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT,&temp);
// std::cerr << std::endl << "GL_MAX_GEOMETRY_OUTPUT_VERTICES_EXT: " << temp;
#ifndef GLOOST_SYSTEM_DISABLE_OUTPUT_MESSAGES
if (vsCompiled == GL_TRUE && fsCompiled == GL_TRUE && gsCompiled == GL_TRUE)
{
std::cerr << std::endl;
std::cerr << std::endl << "Message from Shader::compileToProgram() on SharedResource " << getSharedResourceId() << ":";
std::cerr << std::endl << " Successfully compiled and linked.";
std::cerr << std::endl << " \"" << _vertexShaderFileName << "\", ";
std::cerr << std::endl << " \"" << _fragmentShaderFileName << "\"";
if (gs)
{
std::cerr << ", "<< std::endl << " \"" << _geometryShaderFileName << "\"";
}
std::cerr << std::endl;
return true;
}
#endif
return false;
}
/*!
\fn void DataManager::initTextureUnits(int w, int h)
\brief Read in Input Image and create the appropriate texture object
\param w : Input Image Width.
\param h : Input Image Height
*/
void DataManager::initTextureUnits(int w, int h)
{
switch(_arch)
{
case GPU_ATI:
_texTarget = GL_TEXTURE_2D;
_texInternalFormat = GL_RGBA_FLOAT16_ATI;
break;
case GPU_NVIDIA:
_texTarget = GL_TEXTURE_RECTANGLE_NV;
_texInternalFormat = GL_FLOAT_RGBA32_NV;
break;
}
CheckErrorsGL("DM::initTextureUnits 1");
//////////////// Initialize Input Texture ////////////////
_inputImageTU = new TextureUnit(w, h, _texTarget, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, GL_LINEAR);
CheckErrorsGL("DM::initTextureUnits 2");
//////////////// Initialize Distortion Texture Map ///////
_distortionMapTU = new TextureUnit(_image_w, _image_h, _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
CheckErrorsGL("DM::initTextureUnits 3");
//////////////// Generate a Distortion Map ////////////////
float * distortionmap = new float [ _image_w * _image_h * 4];
float WMax = 1.0/(1.0* _image_w);
float HMax = 1.0/(1.0* _image_h);
int i=0;
for (int k=0; k< _image_h; k++)
{
for (int j=0; j < _image_w; j++)
{
float del_x = WMax * (j - _image_w/2);
float del_y = HMax * (k - _image_h/2);
float r = sqrt( del_x * del_x + del_y * del_y);
float rdist = r * ( 1 + 0.05 * r*r); //0.095
if (r==0.0)
{ del_x = 0.0; del_y = 0.0; }
else
{ del_x = rdist * ( del_x / r ) - del_x ;
del_y = rdist * ( del_y / r ) - del_y ;
}
distortionmap[i++] = - del_x + 0.5 ;
distortionmap[i++] = - del_y + 0.5 ;
distortionmap[i++] = 0.0;
distortionmap[i++] = 0.0;
}
}
//////////////// Update Distortion Texture Map ///////
_distortionMapTU->resetTextureFLOAT(distortionmap);
CheckErrorsGL("DM::initTextureUnits 4");
//////////////// Initialize Pyramid Storage ///////
_pyramid[0] = new FrameUnit (_arch, _image_w, _image_h, _nLevels, _texTarget, _texInternalFormat);
_pyramid[1] = new FrameUnit (_arch, _image_w, _image_h, _nLevels, _texTarget, _texInternalFormat);
CheckErrorsGL("DM::initTextureUnits 5");
//////////////// Initialize KLT Data Struct Storage ///////
// For FBO Efficiency, ALL TEXTURES UNITS ARE SAME SIZE, (only then FBO's can have multiple attachments)
int N = _maxFeatureTableSize;
_kltCornernessTU1 = new TextureUnit(_image_w, _image_h, _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
_kltCornernessTU2 = new TextureUnit(_image_w, _image_h, _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
_kltFeaturesTU = new TextureUnit( N , 100 , _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
_kltFloatingWindowTU = new TextureUnit( N , 100 , _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
_kltPartialSumTU = new TextureUnit( N , 100 , _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
_kltMatrixElemTU = new TextureUnit( N , 100 , _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
debugTable = new TextureUnit( 100, 7*20 , _texTarget, _texInternalFormat, GL_RGBA, GL_FLOAT, GL_NEAREST);
_xSize = N;
_ySize = 100;
switch(_arch)
{
case GPU_ATI:
_xOffset = 1.0 / (1.0 * N);
_yOffset = 1.0 / 100.0;
break;
case GPU_NVIDIA:
_xOffset = 1.0 ;
_yOffset = 1.0 ;
break;
}
CheckErrorsGL("DM::initTextureUnits 6");
// Buffer Data used to upload feature coordinate list to GPU at the beginning of call to trackFeatures()
data = new float [ _xSize * _ySize * 4 ];
//Create the shadow map texture
glGenTextures (1, &depthTexture);
glBindTexture (_texTarget, depthTexture);
glTexParameteri (_texTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri (_texTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (_texTarget, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri (_texTarget, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexImage2D (_texTarget, 0, GL_DEPTH_COMPONENT, _image_w, _image_h, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, NULL);
return ;
}