memset(&subpass, 0, sizeof subpass);
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = r->num_colbuf;
subpass.pColorAttachments = catref;
memset(&subpass, 0, sizeof subpass);
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = r->num_colbuf;
subpass.pColorAttachments = catref;