GLuint ObjectManager::obtainProgram( const void* key )
{
const GLuint id = getProgram( key );
if( id != INVALID )
return id;
return newProgram( key );
}
/* main
*
* do some main stuff.
*/
int main( int argc, char ** argv )
{
basic_program * bp;
basic_line * bl;
printf( "0\n" );
/* set up our program space */
bp = newProgram();
if( !bp ) {
errorReport( kErrorMalloc, 1 );
return 0;
}
/* display version info */
cmd_info( bp, NULL );
bl = consumeString( bp, program[0] );
bl = consumeString( bp, program[1] );
bl = consumeString( bp, program[2] );
bl = consumeString( bp, program[3] );
bl = consumeString( bp, program[4] );
/* and run the program, if we should... */
printf( "Running program\n" );
runProgram( bp, 0 );
while( run_poll( bp ) );
/* just show access of variables */
printf( "Variable 'a' is %ld\n", getVariableNumber( bp->variables, "a" ));
deleteProgram( bp );
return 0;
}
LNZprogram* parseProgram( const char* filename, const u8* string, u64 length, const char** error ){
LNZprogram* ans = newProgram();
const u8* s = string;
u64 l = length;
do{
u64 prsd = parseLine( ans, s, l, error );
s += prsd;
l -= prsd;
if( *error != NULL ){
u64 line = 1;
u64 chr = 1;
const u8* c = string;
while( c != s ){
if( *c == '\n' ){
chr = 1;
++line;
}else
++chr;
++c;
}
u64 pep = rand() % ( sizeof( pepTalks ) / sizeof( pepTalks[ 0 ] ) );
char* err = LNZmalloc( strlen( filename ) + strlen( *error ) +
strlen( pepTalks[ pep ] ) + 256 );
sprintf( err, "%s:%u:%u\n%s\n%s\n\n", filename, (int)line, (int)chr,
*error, pepTalks[ pep ] );
*error = err;
deleteProgram( ans );
return NULL;
}
}while( l );
return ans;
}
int main(){
tas T = newProgram();
node n1 = newNode(FORWARD, 1, 1);
node n2 = newNode(REPEAT, 2, 2);
incrementerHauteur();
node n3 = newNode(RIGHT, 3, 3);
node n4 = newNode(REPEAT,4, 4);
incrementerHauteur();
node n5 = newNode(RIGHT,5, 5);
decrementerHauteur();
decrementerHauteur();
node n6 = newNode(REPEAT,6, 6);
incrementerHauteur();
node n7 = newNode(LEFT,7, 7);
decrementerHauteur();
printf("Creation OK\n");
addNode(T, n1);
addNode(T, n2);
addNode(T, n3);
addNode(T, n4);
addNode(T, n5);
addNode(T, n6);
addNode(T, n7);
printf("Ajout OK\n");
afficherProgramme(T);
destroyProgram(T);
return 0;
}
HdStGLSLProgramSharedPtr
HdStGLSLProgram::GetComputeProgram(
TfToken const &shaderToken,
HdStResourceRegistry *resourceRegistry)
{
// Find the program from registry
HdInstance<HdStGLSLProgram::ID, HdStGLSLProgramSharedPtr> programInstance;
std::unique_lock<std::mutex> regLock =
resourceRegistry->RegisterGLSLProgram(
HdStGLSLProgram::ComputeHash(shaderToken), &programInstance);
if (programInstance.IsFirstInstance()) {
// if not exists, create new one
HdStGLSLProgramSharedPtr newProgram(
new HdStGLSLProgram(HdTokens->computeShader));
GlfGLSLFX glslfx(HdStPackageComputeShader());
std::string version = "#version 430\n";
if (!newProgram->CompileShader(
GL_COMPUTE_SHADER, version + glslfx.GetSource(shaderToken))) {
TF_CODING_ERROR("Fail to compile " + shaderToken.GetString());
return HdStGLSLProgramSharedPtr();
}
if (!newProgram->Link()) {
TF_CODING_ERROR("Fail to link " + shaderToken.GetString());
return HdStGLSLProgramSharedPtr();
}
programInstance.SetValue(newProgram);
}
return programInstance.GetValue();
}
void ParseYaml::reloadFile(void) {
std::ifstream file;
int nbLine = 1;
std::string currentProgram = "";
this->_programFeature.clear();
file.open(this->_confFileName);
if (!file.is_open()) {
std::cerr << "ERROR file : " << this->_confFileName << " cant be opened." << std::endl;
throw std::exception();
}
while (file.tellg() >= 0) {
std::string line = "";
std::getline(file, line);
this->_empturStr(line);
if (line.size() > 0 && line.find(PROGRAM_DE) == 0) {
if (line.find("]") != line.size() - 1) {
std::cerr << "ERROR file : in line " << nbLine << " bad syntax." << std::endl;
currentProgram = "";
}
else {
currentProgram = line.substr(9, line.size() - 10);
if (this->_programFeature.find(currentProgram) != this->_programFeature.end())
std::cerr << "ERROR file : in line " << nbLine << " twice program name." << std::endl;
else {
ProgramFeature newProgram(currentProgram);
this->_programFeature[currentProgram] = newProgram;
}
}
} else if (line.size() > 0 && line == TASKMASTER_DE) {
currentProgram = "Taskmaster";
} else if (line.size() > 0) {
if (currentProgram == "Taskmaster") {
if (line.substr(0, 8) != "logfile=")
std::cerr << "ERROR file : in line " << nbLine << " bad syntax." << std::endl;
else
this->_logFileName = line.substr(8, line.size());
} else {
if (this->_programFeature.find(currentProgram) == this->_programFeature.end()) {
std::cerr << "No program declare to params in line " << nbLine << "." << std::endl;
} else {
this->_programFeature[currentProgram].setFeature(line, nbLine);
}
}
}
nbLine++;
}
for (m_feature::iterator it = this->_programFeature.begin(); it != this->_programFeature.end(); it++) {
if (!it->second.isGood()) {
std::cerr << "ERROR : [" << it->first << "] too much error to create process." << std::endl;
this->_programFeature.erase(it);
}
}
file.close();
// this->dd();
}
int main(int argc,char**argv)
{
string vss = loadShaderSrc("shaders/light.vert");
string fss = loadShaderSrc("shaders/light.frag");
engInit(argc,argv);
GLuint vs = newShader(vss,GL_VERTEX_SHADER);
GLuint fs = newShader(fss,GL_FRAGMENT_SHADER);
GLuint prog = newProgram(vs,fs);
glUseProgram(prog);
glutMainLoop();
}
int main(int argc, char* argv[])
{
Window win(g_window_res);
// initialize the transfer function
Transfer_function transfer_fun;
// first clear possible old values
transfer_fun.reset();
// the add_stop method takes:
// - unsigned char or float - data value (0.0 .. 1.0) or (0..255)
// - vec4f - color and alpha value (0.0 .. 1.0) per channel
//transfer fuer aufgabe 31 und 32
transfer_fun.add(0.0f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(1.0f, glm::vec4(1.0, 1.0, 1.0, 1.0));
// transfer fuer aufgabe 33
/*transfer_fun.add(0.0f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(0.2f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(0.25f, glm::vec4(0.5, 0.5, 0.5, 0.1));
transfer_fun.add(0.3f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(0.35f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(0.55f, glm::vec4(1.0, 1.0, 1.0, 0.2));
transfer_fun.add(0.75f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(1.0f, glm::vec4(0.0, 0.0, 0.0, 0.0));*/
// transfer fuer aufgabe 4
/*transfer_fun.add(0.0f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(0.2f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(0.25f, glm::vec4(0.5, 0.5, 0.5, 1.0));
transfer_fun.add(0.3f, glm::vec4(0.0, 0.0, 0.0, 0.0));
transfer_fun.add(1.0f, glm::vec4(0.0, 0.0, 0.0, 0.0));*/
///NOTHING TODO UNTIL HERE-------------------------------------------------------------------------------
//init volume loader
Volume_loader_raw loader;
//read volume dimensions
glm::ivec3 vol_dimensions = loader.get_dimensions(g_file_string);
unsigned max_dim = std::max(std::max(vol_dimensions.x,
vol_dimensions.y),
vol_dimensions.z);
// calculating max volume bounds of volume (0.0 .. 1.0)
glm::vec3 max_volume_bounds = glm::vec3(vol_dimensions) / glm::vec3((float)max_dim);
// loading volume file data
auto volume_data = loader.load_volume(g_file_string);
auto channel_size = loader.get_bit_per_channel(g_file_string) / 8;
auto channel_count = loader.get_channel_count(g_file_string);
// init and upload volume texture
glActiveTexture(GL_TEXTURE0);
createTexture3D(vol_dimensions.x, vol_dimensions.y, vol_dimensions.z, channel_size, channel_count, (char*)&volume_data[0]);
// init and upload transfer function texture
glActiveTexture(GL_TEXTURE1);
createTexture2D(255u, 1u, (char*)&transfer_fun.get_RGBA_transfer_function_buffer()[0]);
// setting up proxy geometry
Cube cube(glm::vec3(0.0, 0.0, 0.0), max_volume_bounds);
// loading actual raytracing shader code (volume.vert, volume.frag)
// edit volume.frag to define the result of our volume raycaster
GLuint program(0);
try {
program = loadShaders(g_file_vertex_shader, g_file_fragment_shader);
} catch (std::logic_error& e) {
std::cerr << e.what() << std::endl;
}
// init object manipulator (turntable)
Manipulator manipulator;
// manage keys here
// add new input if neccessary (ie changing sampling distance, isovalues, ...)
while (!win.shouldClose()) {
// exit window with escape
if (win.isKeyPressed(GLFW_KEY_ESCAPE)) {
win.stop();
}
if (win.isKeyPressed(GLFW_KEY_LEFT)) {
g_light_pos.x -= 0.5f;
}
if (win.isKeyPressed(GLFW_KEY_RIGHT)) {
g_light_pos.x += 0.5f;
}
if (win.isKeyPressed(GLFW_KEY_UP)) {
g_light_pos.z -= 0.5f;
}
if (win.isKeyPressed(GLFW_KEY_DOWN)) {
g_light_pos.z += 0.5f;
}
if (win.isKeyPressed(GLFW_KEY_MINUS)) {
g_iso_value -= 0.002f;
g_iso_value = std::max(g_iso_value, 0.0f);
}
if (win.isKeyPressed(GLFW_KEY_EQUAL) || win.isKeyPressed(GLFW_KEY_KP_ADD)) {
g_iso_value += 0.002f;
g_iso_value = std::min(g_iso_value, 1.0f);
}
if (win.isKeyPressed(GLFW_KEY_D)) {
g_sampling_distance -= 0.0001f;
g_sampling_distance = std::max(g_sampling_distance, 0.0001f);
}
if (win.isKeyPressed(GLFW_KEY_S)) {
g_sampling_distance += 0.0001f;
g_sampling_distance = std::min(g_sampling_distance, 0.2f);
}
//pre-classification
if (win.isKeyPressed(GLFW_KEY_O)){
g_switch_classification = 0;
}
//post-classification
if (win.isKeyPressed(GLFW_KEY_L)) {
g_switch_classification = 1;
}
// to add key inputs:
// check win.isKeyPressed(KEY_NAME)
// - KEY_NAME - key name (GLFW_KEY_A ... GLFW_KEY_Z)
//if (win.isKeyPressed(GLFW_KEY_X)){
//
// ... do something
//
//}
/// reload shader if key R ist pressed
if (win.isKeyPressed(GLFW_KEY_R)) {
if (g_reload_shader_pressed != true) {
GLuint newProgram(0);
try {
std::cout << "Reload shaders" << std::endl;
newProgram = loadShaders(g_file_vertex_shader, g_file_fragment_shader);
}
catch (std::logic_error& e) {
std::cerr << e.what() << std::endl;
newProgram = 0;
}
if (0 != newProgram) {
glDeleteProgram(program);
program = newProgram;
}
g_reload_shader_pressed = true;
}
} else {
g_reload_shader_pressed = false;
}
/// show transfer function if T is pressed
if (win.isKeyPressed(GLFW_KEY_T)){
if (!g_show_transfer_function_pressed){
g_show_transfer_function = !g_show_transfer_function;
}
g_show_transfer_function_pressed = true;
} else {
g_show_transfer_function_pressed = false;
}
auto size = win.windowSize();
glViewport(0, 0, size.x, size.y);
glClearColor(g_background_color.x, g_background_color.y, g_background_color.z, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
float fovy = 45.0f;
float aspect = (float)size.x / (float)size.y;
float zNear = 0.025f, zFar = 10.0f;
glm::mat4 projection = glm::perspective(fovy, aspect, zNear, zFar);
glm::vec3 translate = max_volume_bounds * glm::vec3(-0.5f);
glm::vec3 eye = glm::vec3(0.0f, 0.0f, 1.5f);
glm::vec3 target = glm::vec3(0.0f);
glm::vec3 up(0.0f, 1.0f, 0.0f);
auto view = glm::lookAt(eye, target, up);
auto model_view = view
* manipulator.matrix(win)
// rotate head upright
* glm::rotate(0.5f*float(M_PI), glm::vec3(0.0f,1.0f,0.0f))
* glm::rotate(0.5f*float(M_PI), glm::vec3(1.0f,0.0f,0.0f))
* glm::translate(translate)
;
glm::vec4 camera_translate = glm::column(glm::inverse(model_view), 3);
glm::vec3 camera_location = glm::vec3(camera_translate.x, camera_translate.y, camera_translate.z);
camera_location /= glm::vec3(camera_translate.w);
glm::vec4 light_location = glm::vec4(g_light_pos, 1.0f) * model_view;
glUseProgram(program);
glUniform1i(glGetUniformLocation(program, "volume_texture"), 0);
glUniform1i(glGetUniformLocation(program, "transfer_texture"), 1);
glUniform3fv(glGetUniformLocation(program, "camera_location"), 1,
glm::value_ptr(camera_location));
glUniform1f(glGetUniformLocation(program, "sampling_distance"), g_sampling_distance);
glUniform1i(glGetUniformLocation(program, "switch_classification"), g_switch_classification);
glUniform1f(glGetUniformLocation(program, "iso_value"), g_iso_value);
glUniform3fv(glGetUniformLocation(program, "max_bounds"), 1,
glm::value_ptr(max_volume_bounds));
glUniform3iv(glGetUniformLocation(program, "volume_dimensions"), 1,
glm::value_ptr(vol_dimensions));
glUniform3fv(glGetUniformLocation(program, "light_position"), 1,
//glm::value_ptr(glm::vec3(light_location.x, light_location.y, light_location.z)));
glm::value_ptr(g_light_pos));
glUniform3fv(glGetUniformLocation(program, "light_color"), 1,
glm::value_ptr(g_light_color));
glUniform3fv(glGetUniformLocation(program, "light_color"), 1,
glm::value_ptr(g_light_color));
glUniformMatrix4fv(glGetUniformLocation(program, "Projection"), 1, GL_FALSE,
glm::value_ptr(projection));
glUniformMatrix4fv(glGetUniformLocation(program, "Modelview"), 1, GL_FALSE,
glm::value_ptr(model_view));
cube.draw();
glUseProgram(0);
if (g_show_transfer_function)
transfer_fun.update_and_draw();
win.update();
}
return 0;
}
/**
* Parse Tokens
* Description: Takes a TokenList and a Command object and parses the TokenList in order
* to generate a command (list of programs in a pipeline);
* Returns: true on success; false otherwise
*/
bool parseTokens( TokenList tokens, Command * command ) {
bool success = true;
Program *currentProgram = command->program = newProgram();
bool begin = true;
for (int i = 0; i < tokens.count; i++) {
char * token = tokens.tokens[i];
// Check if we are at the beginning of a program
if ( begin ) {
if ( strncmp( token, "time", max( strlen( token ), strlen( "time" ) ) ) == 0 ) {
currentProgram->name = token;
currentProgram->next = newProgram();
currentProgram = currentProgram->next;
begin = true;
// If we have at least two tokens left and the next one is a pipe
// then make a blank timed program
// Note: This doesn't do anything since we don't allow
// piped time commands but this would help support it
// in the future and it currently prevents better
// error checking
if ( i + 2 < tokens.count && isPipe( tokens.tokens[i+1] ) ) {
currentProgram->name = NULL;
currentProgram->next = newProgram();
currentProgram = currentProgram->next;
i++;
}
// The beginning of a program cannot be <, >, &, or |
} else if ( !isRedirection( token ) && !isPipe( token ) && !isBackground( token ) ) {
currentProgram->name = token;
currentProgram->argv[currentProgram->argc++] = token;
// Don't come back here again until we process a new program
begin = false;
} else {
error("Program may not start with <, >, |, or &");
success = false;
break;
}
} else {
// Process redirection
if ( isRedirection( token ) ) {
// Only one level of redirection allowed
if ( currentProgram->redirect == DEFAULT ) {
// Need to have at least one token after a redirect
if ( i+1 < tokens.count ) {
if ( !isRedirection(tokens.tokens[i+1]) && !isPipe(tokens.tokens[i+1])
&& !isBackground(tokens.tokens[i+1]) ) {
currentProgram->redirectResource = tokens.tokens[i+1];
currentProgram->redirect = getRedirect( token );
// Skip a token
i++;
} else {
error("Expected file after a redirect");
success = false;
break;
}
}
// We can have redirections like <file or >file
else if ( strlen( token ) > 1 ) {
currentProgram->redirectResource = token+1;
currentProgram->redirect = getRedirect( token );
}
else {
error("Expected file after a redirect");
success = false;
break;
}
} else {
error("Only one level of redirection allowed");
success = false;
break;
}
// Process pipe
} else if ( isPipe( token ) ) {
// Check if there's a token after this one
if ( i+1 < tokens.count ) {
currentProgram->next = newProgram();
currentProgram = currentProgram->next;
begin = true;
}
else {
error("Expected program after pipe");
success = false;
break;
}
// Process background
} else if ( isBackground( token ) ) {
// & must be last token
if ( i+1 >= tokens.count )
command->background = true;
else {
error("& can only be placed at end of command");
success = false;
}
break;
}
// Plain old argument
else
currentProgram->argv[currentProgram->argc++] = token;
}
}
return success;
}
