C++ (Cpp) retainProgram Examples

Example #1

File: ofShader.cpp Project: AinurBegalinova/TreasureHuntingRobot

//--------------------------------------------------------------
void ofShader::checkAndCreateProgram() {
	if(GL_ARB_shader_objects) {
		if(program == 0) {
			ofLog(OF_LOG_VERBOSE, "Creating GLSL Program");
			program = glCreateProgram();
			retainProgram(program);
		}
	} else {
		ofLog(OF_LOG_ERROR, "Sorry, it looks like you can't run 'ARB_shader_objects'.\nPlease check the capabilites of your graphics card.\nhttp://www.ozone3d.net/gpu_caps_viewer/");
	}
}

Example #2

File: ofShader.cpp Project: archerlulu/openFrameworks

//--------------------------------------------------------------
ofShader::ofShader(const ofShader & mom) :
program(mom.program),
bLoaded(mom.bLoaded),
shaders(mom.shaders){
	if(mom.bLoaded){
		retainProgram(program);
		for(unordered_map<GLenum, GLuint>::const_iterator it = shaders.begin(); it != shaders.end(); ++it){
			GLuint shader = it->second;
			retainShader(shader);
		}
	}
}

Example #3

File: ofShader.cpp Project: archerlulu/openFrameworks

//--------------------------------------------------------------
void ofShader::checkAndCreateProgram() {
#ifndef TARGET_OPENGLES
	if(GL_ARB_shader_objects) {
#else
	if(ofIsGLProgrammableRenderer()){
#endif
		if(program == 0) {
			ofLogVerbose("ofShader") << "checkAndCreateProgram(): creating GLSL program";
			program = glCreateProgram();
			retainProgram(program);
		}
	} else {
		ofLogError("ofShader") << "sorry, it looks like you can't run 'ARB_shader_objects'";
		ofLogError("ofShader") << "please check the capabilites of your graphics card: http://www.ozone3d.net/gpu_caps_viewer";
	}
}

//--------------------------------------------------------------
bool ofShader::linkProgram() {
	if(shaders.empty()) {
		ofLogError("ofShader") << "linkProgram(): trying to link GLSL program, but no shaders created yet";
	} else {
		checkAndCreateProgram();

		for(unordered_map<GLenum, GLuint>::const_iterator it = shaders.begin(); it != shaders.end(); ++it){
			GLuint shader = it->second;
			if(shader) {
				ofLogVerbose("ofShader") << "linkProgram(): attaching " << nameForType(it->first) << " shader to program " << program;
				glAttachShader(program, shader);
			}
		}

		glLinkProgram(program);

		checkProgramLinkStatus(program);

		// bLoaded means we have loaded shaders onto the graphics card;
		// it doesn't necessarily mean that these shaders have compiled and linked successfully.
		bLoaded = true;
	}
	return bLoaded;
}

void ofShader::bindAttribute(GLuint location, const string & name) const{
	glBindAttribLocation(program,location,name.c_str());
}

Example #4

File: ofShader.cpp Project: archerlulu/openFrameworks

//--------------------------------------------------------------
ofShader & ofShader::operator=(const ofShader & mom){
    if(this == &mom) {
        return *this;
    }
	if(bLoaded){
		unload();
	}
	program = mom.program;
	bLoaded = mom.bLoaded;
	shaders = mom.shaders;
	if(mom.bLoaded){
		retainProgram(program);
		for(unordered_map<GLenum, GLuint>::const_iterator it = shaders.begin(); it != shaders.end(); ++it){
			GLuint shader = it->second;
			retainShader(shader);
		}
	}
	return *this;
}