C++ (Cpp) SceneGraph::getActiveCamera Examples

Example #1

Error MainRenderer::render(SceneGraph& scene)
{
	ANKI_TRACE_START_EVENT(RENDER);

	// First thing, reset the temp mem pool
	m_frameAlloc.getMemoryPool().reset();

	GrManager& gl = m_r->getGrManager();
	CommandBufferInitInfo cinf;
	cinf.m_hints = m_cbInitHints;
	CommandBufferPtr cmdb = gl.newInstance<CommandBuffer>(cinf);

	// Set some of the dynamic state
	cmdb->setPolygonOffset(0.0, 0.0);

	// Run renderer
	RenderingContext ctx(m_frameAlloc);

	if(m_rDrawToDefaultFb)
	{
		ctx.m_outFb = m_defaultFb;
		ctx.m_outFbWidth = m_width;
		ctx.m_outFbHeight = m_height;
	}

	ctx.m_commandBuffer = cmdb;
	ctx.m_frustumComponent = &scene.getActiveCamera().getComponent<FrustumComponent>();
	ANKI_CHECK(m_r->render(ctx));

	// Blit renderer's result to default FB if needed
	if(!m_rDrawToDefaultFb)
	{
		cmdb->beginRenderPass(m_defaultFb);
		cmdb->setViewport(0, 0, m_width, m_height);

		cmdb->bindPipeline(m_blitPpline);
		cmdb->bindResourceGroup(m_rcGroup, 0, nullptr);

		m_r->drawQuad(cmdb);
		cmdb->endRenderPass();
	}

	// Flush the command buffer
	cmdb->flush();

	// Set the hints
	m_cbInitHints = cmdb->computeInitHints();

	ANKI_TRACE_STOP_EVENT(RENDER);

	return ErrorCode::NONE;
}