void CGraphicsModule::initDriver( short width, short height )
{
offsetX = 0;
offsetY = 0;
this->width = width;
this->height = height;
if (!glfwInit()) {
printf("Failed to start GLFW.");
exit(1);
}
#ifdef USE_OPENGL_3
glfwOpenWindowHint( GLFW_OPENGL_VERSION_MAJOR, 3 );
glfwOpenWindowHint( GLFW_OPENGL_VERSION_MINOR, 2 );
glfwOpenWindowHint( GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE );
#endif
glfwOpenWindowHint( GLFW_WINDOW_NO_RESIZE, GL_TRUE );
glfwOpenWindow( width, height, 0, 0, 0, 0, 8, 0, GLFW_WINDOW );
glfwSetWindowTitle( "Spine" );
const GLubyte* version = glGetString(GL_VERSION);
const GLubyte* renderer = glGetString(GL_RENDERER);
const GLubyte* vendor = glGetString(GL_VENDOR);
const GLubyte* glslvers = glGetString(GL_SHADING_LANGUAGE_VERSION);
printf("Version: %s\nRenderer: %s\nVendor: %s\nGLSLVersion: %s\n", version, renderer, vendor, glslvers);
glewExperimental = GL_TRUE;
if (glewInit() != GLEW_OK) {
printf( "Error loading glew!" );
exit(1);
} else {
printf( "Using GLEW: %s %d\n", glewGetString(GLEW_VERSION), glewIsSupported("GL_ARB_fragment_program") );
}
// Compile all the shaders.
DirectoryList list = filesystem->getDirectoryList("./shaders/");
for (DirectoryList::iterator i = list.begin(); i != list.end(); ++i) {
char name[50];
char exten[10];
util->getFileName(name, (*i).c_str());
util->getFileExtension(exten, (*i).c_str());
Buffer buffer;
File *file = filesystem->open((*i).c_str());
file->readBuffer(&buffer);
if (strcmp(exten, ".fsh") == 0) {
const char *c_str = buffer.data;
GLuint fragmentShader = glCreateShader( GL_FRAGMENT_SHADER );
glShaderSource( fragmentShader, 1, &c_str, NULL );
glCompileShader( fragmentShader );
shaders[name] = fragmentShader;
GLint status;
glGetShaderiv( fragmentShader, GL_COMPILE_STATUS, &status );
if (status == GL_TRUE) {
printf("Loaded fragment shader: %s (%d)\n", name, fragmentShader);
} else {
char buffer[512];
glGetShaderInfoLog( fragmentShader, 512, NULL, buffer );
printf("Error loading fragment shader: %s (%d)\n", name, fragmentShader);
printf("%s\n", buffer);
}
} else if (strcmp(exten, ".vsh") == 0) {
const char *c_str = buffer.data;
GLuint vertexShader = glCreateShader( GL_VERTEX_SHADER );
glShaderSource( vertexShader, 1, &c_str, NULL );
glCompileShader( vertexShader );
shaders[name] = vertexShader;
GLint status;
glGetShaderiv( vertexShader, GL_COMPILE_STATUS, &status );
if (status == GL_TRUE) {
printf("Loaded vertex shader: %s (%d)\n", name, vertexShader);
} else {
char buffer[512];
glGetShaderInfoLog( vertexShader, 512, NULL, buffer );
printf("Error loading vertex shader: %s (%d)\n", name, vertexShader);
printf("%s\n", buffer);
}
}
delete file;
}
// Compile all the programs.
for (DirectoryList::iterator i = list.begin(); i != list.end(); ++i) {
char exten[10];
util->getFileExtension(exten, (*i).c_str());
if (strcmp(exten, ".kv") == 0) {
char name[50];
util->getFileName(name, (*i).c_str());
util->getFileNameNoExtension(name, name);
Buffer buffer;
File *file = filesystem->open((*i).c_str());
file->readBuffer(&buffer);
KeyValue *kv = util->parseKeyValue(&buffer);
GLuint shaderProgram = glCreateProgram();
KeyValue *shadermembers = kv->getMember("shaders");
if (shadermembers != NULL) {
unsigned int b = 0;
KeyValue *member = shadermembers->getMember(b);
while ((member = shadermembers->getMember(b)) != NULL) {
glAttachShader( shaderProgram, shaders[member->getString()] );
b++;
}
}
KeyValue *fragdatamembers = kv->getMember("fragdata");
if (fragdatamembers != NULL) {
unsigned int b = 0;
KeyValue *member = fragdatamembers->getMember(b);
while ((member = fragdatamembers->getMember(b)) != NULL) {
glBindFragDataLocation( shaderProgram, b, member->getString().c_str());
b++;
}
}
glLinkProgram( shaderProgram );
glUseProgram( shaderProgram );
GLint posAttrib = glGetAttribLocation( shaderProgram, "position" );
glEnableVertexAttribArray( posAttrib );
glVertexAttribPointer( posAttrib, 2, GL_FLOAT, GL_FALSE, 0, 0 );
programs[name] = shaderProgram;
printf("Loaded program: %s (%d)\n", name, shaderProgram);
kv->release();
file->release();
}
}
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glBlendEquation( GL_FUNC_ADD );
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
loadMaterial("disttex.tga");
loadMaterial("8.tga");
// load default textures
ImageData white(1, 1);
white.setPixel(0, 0, Color(255, 255, 255));
loadMaterial("white", &white);
ImageData black(1, 1);
black.setPixel(0, 0, Color(0, 0, 0));
loadMaterial("black", &black);
glfwSetMouseButtonCallback(&MousePressedCallback);
}
