Method resize

samples/_opengl/DeferredShading/src/DeferredShadingApp.cpp:402–455

}

void DeferredShadingApp::resize()
{
	mCamera.setAspectRatio( getWindowAspectRatio() );
	
	// Color texture format
	const gl::Texture2d::Format colorTextureFormat = gl::Texture2d::Format()
	.internalFormat( GL_RGBA8 )
	.magFilter( GL_NEAREST )
	.minFilter( GL_NEAREST )
	.wrap( GL_CLAMP_TO_EDGE );
	
	// Data texture format
	const gl::Texture2d::Format dataTextureFormat = gl::Texture2d::Format()
	.internalFormat( GL_RGBA16F )
	.magFilter( GL_NEAREST )
	.minFilter( GL_NEAREST )
	.wrap( GL_CLAMP_TO_EDGE );
	
	// Create FBO for the the geometry buffer (G-buffer). This G-buffer uses
	// three color attachments to store position, normal, emissive (light), and
	// color (albedo) data.
	const ivec2 winSize = getWindowSize();
	const int32_t h		= winSize.y;
	const int32_t w		= winSize.x;
	try {
		gl::Fbo::Format fboFormat;
		mTextureFboGBuffer[ 0 ] = gl::Texture2d::create( w, h, colorTextureFormat );
		mTextureFboGBuffer[ 1 ] = gl::Texture2d::create( w, h, dataTextureFormat );
		mTextureFboGBuffer[ 2 ] = gl::Texture2d::create( w, h, dataTextureFormat );
		for ( size_t i = 0; i < 3; ++i ) {
			fboFormat.attachment( GL_COLOR_ATTACHMENT0 + (GLenum)i, mTextureFboGBuffer[ i ] );
		}
		fboFormat.depthTexture();
		mFboGBuffer = gl::Fbo::create( w, h, fboFormat );
		const gl::ScopedFramebuffer scopedFramebuffer( mFboGBuffer );
		const gl::ScopedViewport scopedViewport( ivec2( 0 ), mFboGBuffer->getSize() );
		gl::clear();
	}
	catch( const std::exception& e ) {
		console() << "mFboGBuffer failed: " << e.what() << std::endl;
	}
	
	// Create FBO for the light buffer (L-buffer). The L-buffer reads the
	// G-buffer textures to render the scene inside light volumes.
	try {
		mFboLBuffer	= gl::Fbo::create( w, h, gl::Fbo::Format().colorTexture() );
		const gl::ScopedFramebuffer scopedFramebuffer( mFboLBuffer );
		const gl::ScopedViewport scopedViewport( ivec2( 0 ), mFboLBuffer->getSize() );
		gl::clear();
	}
	catch( const std::exception& e ) {
		console() << "mFboLBuffer failed: " << e.what() << std::endl;
	}
}

#if !defined( CINDER_GL_ES )
void DeferredShadingApp::screenShot()