bool RenderToTexture::init()
{
static bool firsttime = true;
//avoid doing this more than once
if(firsttime)
{
IMPORT_GLEXT( glGenFramebuffersEXT );
IMPORT_GLEXT( glDeleteFramebuffersEXT );
IMPORT_GLEXT( glDeleteRenderbuffersEXT );
IMPORT_GLEXT( glBindFramebufferEXT );
IMPORT_GLEXT( glGenRenderbuffersEXT );
IMPORT_GLEXT( glBindRenderbufferEXT );
IMPORT_GLEXT( glRenderbufferStorageEXT );
IMPORT_GLEXT( glFramebufferRenderbufferEXT );
IMPORT_GLEXT( glGenerateMipmapEXT );
IMPORT_GLEXT( glFramebufferTexture2DEXT );
IMPORT_GLEXT( glCheckFramebufferStatusEXT );
}
firsttime = false;
return true;
}
void Shader::init()
{
static bool firsttime = true;
Shader::s_ready = true;
if(firsttime)
{
#ifdef LOAD_EXTENSIONS_MANUALLY
IMPORT_GLEXT( glCreateProgramObjectARB );
IMPORT_GLEXT( glLinkProgramARB );
IMPORT_GLEXT( glGetObjectParameterivARB );
IMPORT_GLEXT( glValidateProgramARB );
IMPORT_GLEXT( glCreateShaderObjectARB );
IMPORT_GLEXT( glShaderSourceARB );
IMPORT_GLEXT( glCompileShaderARB );
IMPORT_GLEXT( glAttachObjectARB );
IMPORT_GLEXT( glDetachObjectARB );
IMPORT_GLEXT( glUseProgramObjectARB );
//IMPORT_GLEXT( glActiveTexture );
IMPORT_GLEXT( glGetInfoLogARB );
IMPORT_GLEXT( glGetUniformLocationARB );
IMPORT_GLEXT( glGetAttribLocationARB );
IMPORT_GLEXT( glUniform1iARB );
IMPORT_GLEXT( glUniform2iARB );
IMPORT_GLEXT( glUniform3iARB );
IMPORT_GLEXT( glUniform4iARB );
IMPORT_GLEXT( glUniform1ivARB );
IMPORT_GLEXT( glUniform2ivARB );
IMPORT_GLEXT( glUniform3ivARB );
IMPORT_GLEXT( glUniform4ivARB );
IMPORT_GLEXT( glUniform1fARB );
IMPORT_GLEXT( glUniform2fARB );
IMPORT_GLEXT( glUniform3fARB );
IMPORT_GLEXT( glUniform4fARB );
IMPORT_GLEXT( glUniform1fvARB );
IMPORT_GLEXT( glUniform2fvARB );
IMPORT_GLEXT( glUniform3fvARB );
IMPORT_GLEXT( glUniform4fvARB );
IMPORT_GLEXT( glUniformMatrix4fvARB );
#endif
}
firsttime = false;
}
